Mercurial > vim
view src/misc2.c @ 1286:152e52624521 v7.1.001
updated for version 7.1-001
| author | vimboss |
|---|---|
| date | Mon, 14 May 2007 17:38:30 +0000 |
| parents | 070f2ac50cf8 |
| children | cdd82acd75b4 |
line wrap: on
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/* vi:set ts=8 sts=4 sw=4: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * misc2.c: Various functions. */ #include "vim.h" #ifdef HAVE_FCNTL_H # include <fcntl.h> /* for chdir() */ #endif static char_u *username = NULL; /* cached result of mch_get_user_name() */ static char_u *ff_expand_buffer = NULL; /* used for expanding filenames */ #if defined(FEAT_VIRTUALEDIT) || defined(PROTO) static int coladvance2 __ARGS((pos_T *pos, int addspaces, int finetune, colnr_T wcol)); /* * Return TRUE if in the current mode we need to use virtual. */ int virtual_active() { /* While an operator is being executed we return "virtual_op", because * VIsual_active has already been reset, thus we can't check for "block" * being used. */ if (virtual_op != MAYBE) return virtual_op; return (ve_flags == VE_ALL # ifdef FEAT_VISUAL || ((ve_flags & VE_BLOCK) && VIsual_active && VIsual_mode == Ctrl_V) # endif || ((ve_flags & VE_INSERT) && (State & INSERT))); } /* * Get the screen position of the cursor. */ int getviscol() { colnr_T x; getvvcol(curwin, &curwin->w_cursor, &x, NULL, NULL); return (int)x; } /* * Get the screen position of character col with a coladd in the cursor line. */ int getviscol2(col, coladd) colnr_T col; colnr_T coladd; { colnr_T x; pos_T pos; pos.lnum = curwin->w_cursor.lnum; pos.col = col; pos.coladd = coladd; getvvcol(curwin, &pos, &x, NULL, NULL); return (int)x; } /* * Go to column "wcol", and add/insert white space as necessary to get the * cursor in that column. * The caller must have saved the cursor line for undo! */ int coladvance_force(wcol) colnr_T wcol; { int rc = coladvance2(&curwin->w_cursor, TRUE, FALSE, wcol); if (wcol == MAXCOL) curwin->w_valid &= ~VALID_VIRTCOL; else { /* Virtcol is valid */ curwin->w_valid |= VALID_VIRTCOL; curwin->w_virtcol = wcol; } return rc; } #endif /* * Try to advance the Cursor to the specified screen column. * If virtual editing: fine tune the cursor position. * Note that all virtual positions off the end of a line should share * a curwin->w_cursor.col value (n.b. this is equal to STRLEN(line)), * beginning at coladd 0. * * return OK if desired column is reached, FAIL if not */ int coladvance(wcol) colnr_T wcol; { int rc = getvpos(&curwin->w_cursor, wcol); if (wcol == MAXCOL || rc == FAIL) curwin->w_valid &= ~VALID_VIRTCOL; else if (*ml_get_cursor() != TAB) { /* Virtcol is valid when not on a TAB */ curwin->w_valid |= VALID_VIRTCOL; curwin->w_virtcol = wcol; } return rc; } /* * Return in "pos" the position of the cursor advanced to screen column "wcol". * return OK if desired column is reached, FAIL if not */ int getvpos(pos, wcol) pos_T *pos; colnr_T wcol; { #ifdef FEAT_VIRTUALEDIT return coladvance2(pos, FALSE, virtual_active(), wcol); } static int coladvance2(pos, addspaces, finetune, wcol) pos_T *pos; int addspaces; /* change the text to achieve our goal? */ int finetune; /* change char offset for the exact column */ colnr_T wcol; /* column to move to */ { #endif int idx; char_u *ptr; char_u *line; colnr_T col = 0; int csize = 0; int one_more; #ifdef FEAT_LINEBREAK int head = 0; #endif one_more = (State & INSERT) || restart_edit != NUL #ifdef FEAT_VISUAL || (VIsual_active && *p_sel != 'o') #endif #ifdef FEAT_VIRTUALEDIT || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL) #endif ; line = ml_get_curline(); if (wcol >= MAXCOL) { idx = (int)STRLEN(line) - 1 + one_more; col = wcol; #ifdef FEAT_VIRTUALEDIT if ((addspaces || finetune) && !VIsual_active) { curwin->w_curswant = linetabsize(line) + one_more; if (curwin->w_curswant > 0) --curwin->w_curswant; } #endif } else { #ifdef FEAT_VIRTUALEDIT int width = W_WIDTH(curwin) - win_col_off(curwin); if (finetune && curwin->w_p_wrap # ifdef FEAT_VERTSPLIT && curwin->w_width != 0 # endif && wcol >= (colnr_T)width) { csize = linetabsize(line); if (csize > 0) csize--; if (wcol / width > (colnr_T)csize / width && ((State & INSERT) == 0 || (int)wcol > csize + 1)) { /* In case of line wrapping don't move the cursor beyond the * right screen edge. In Insert mode allow going just beyond * the last character (like what happens when typing and * reaching the right window edge). */ wcol = (csize / width + 1) * width - 1; } } #endif idx = -1; ptr = line; while (col <= wcol && *ptr != NUL) { /* Count a tab for what it's worth (if list mode not on) */ #ifdef FEAT_LINEBREAK csize = win_lbr_chartabsize(curwin, ptr, col, &head); mb_ptr_adv(ptr); #else csize = lbr_chartabsize_adv(&ptr, col); #endif col += csize; } idx = (int)(ptr - line); /* * Handle all the special cases. The virtual_active() check * is needed to ensure that a virtual position off the end of * a line has the correct indexing. The one_more comparison * replaces an explicit add of one_more later on. */ if (col > wcol || (!virtual_active() && one_more == 0)) { idx -= 1; # ifdef FEAT_LINEBREAK /* Don't count the chars from 'showbreak'. */ csize -= head; # endif col -= csize; } #ifdef FEAT_VIRTUALEDIT if (virtual_active() && addspaces && ((col != wcol && col != wcol + 1) || csize > 1)) { /* 'virtualedit' is set: The difference between wcol and col is * filled with spaces. */ if (line[idx] == NUL) { /* Append spaces */ int correct = wcol - col; char_u *newline = alloc(idx + correct + 1); int t; if (newline == NULL) return FAIL; for (t = 0; t < idx; ++t) newline[t] = line[t]; for (t = 0; t < correct; ++t) newline[t + idx] = ' '; newline[idx + correct] = NUL; ml_replace(pos->lnum, newline, FALSE); changed_bytes(pos->lnum, (colnr_T)idx); idx += correct; col = wcol; } else { /* Break a tab */ int linelen = (int)STRLEN(line); int correct = wcol - col - csize + 1; /* negative!! */ char_u *newline; int t, s = 0; int v; if (-correct > csize) return FAIL; newline = alloc(linelen + csize); if (newline == NULL) return FAIL; for (t = 0; t < linelen; t++) { if (t != idx) newline[s++] = line[t]; else for (v = 0; v < csize; v++) newline[s++] = ' '; } newline[linelen + csize - 1] = NUL; ml_replace(pos->lnum, newline, FALSE); changed_bytes(pos->lnum, idx); idx += (csize - 1 + correct); col += correct; } } #endif } if (idx < 0) pos->col = 0; else pos->col = idx; #ifdef FEAT_VIRTUALEDIT pos->coladd = 0; if (finetune) { if (wcol == MAXCOL) { /* The width of the last character is used to set coladd. */ if (!one_more) { colnr_T scol, ecol; getvcol(curwin, pos, &scol, NULL, &ecol); pos->coladd = ecol - scol; } } else { int b = (int)wcol - (int)col; /* The difference between wcol and col is used to set coladd. */ if (b > 0 && b < (MAXCOL - 2 * W_WIDTH(curwin))) pos->coladd = b; col += b; } } #endif #ifdef FEAT_MBYTE /* prevent cursor from moving on the trail byte */ if (has_mbyte) mb_adjust_cursor(); #endif if (col < wcol) return FAIL; return OK; } /* * inc(p) * * Increment the line pointer 'p' crossing line boundaries as necessary. * Return 1 when going to the next line. * Return 2 when moving forward onto a NUL at the end of the line). * Return -1 when at the end of file. * Return 0 otherwise. */ int inc_cursor() { return inc(&curwin->w_cursor); } int inc(lp) pos_T *lp; { char_u *p = ml_get_pos(lp); if (*p != NUL) /* still within line, move to next char (may be NUL) */ { #ifdef FEAT_MBYTE if (has_mbyte) { int l = (*mb_ptr2len)(p); lp->col += l; return ((p[l] != NUL) ? 0 : 2); } #endif lp->col++; #ifdef FEAT_VIRTUALEDIT lp->coladd = 0; #endif return ((p[1] != NUL) ? 0 : 2); } if (lp->lnum != curbuf->b_ml.ml_line_count) /* there is a next line */ { lp->col = 0; lp->lnum++; #ifdef FEAT_VIRTUALEDIT lp->coladd = 0; #endif return 1; } return -1; } /* * incl(lp): same as inc(), but skip the NUL at the end of non-empty lines */ int incl(lp) pos_T *lp; { int r; if ((r = inc(lp)) >= 1 && lp->col) r = inc(lp); return r; } /* * dec(p) * * Decrement the line pointer 'p' crossing line boundaries as necessary. * Return 1 when crossing a line, -1 when at start of file, 0 otherwise. */ int dec_cursor() { return dec(&curwin->w_cursor); } int dec(lp) pos_T *lp; { char_u *p; #ifdef FEAT_VIRTUALEDIT lp->coladd = 0; #endif if (lp->col > 0) /* still within line */ { lp->col--; #ifdef FEAT_MBYTE if (has_mbyte) { p = ml_get(lp->lnum); lp->col -= (*mb_head_off)(p, p + lp->col); } #endif return 0; } if (lp->lnum > 1) /* there is a prior line */ { lp->lnum--; p = ml_get(lp->lnum); lp->col = (colnr_T)STRLEN(p); #ifdef FEAT_MBYTE if (has_mbyte) lp->col -= (*mb_head_off)(p, p + lp->col); #endif return 1; } return -1; /* at start of file */ } /* * decl(lp): same as dec(), but skip the NUL at the end of non-empty lines */ int decl(lp) pos_T *lp; { int r; if ((r = dec(lp)) == 1 && lp->col) r = dec(lp); return r; } /* * Make sure curwin->w_cursor.lnum is valid. */ void check_cursor_lnum() { if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { #ifdef FEAT_FOLDING /* If there is a closed fold at the end of the file, put the cursor in * its first line. Otherwise in the last line. */ if (!hasFolding(curbuf->b_ml.ml_line_count, &curwin->w_cursor.lnum, NULL)) #endif curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; } if (curwin->w_cursor.lnum <= 0) curwin->w_cursor.lnum = 1; } /* * Make sure curwin->w_cursor.col is valid. */ void check_cursor_col() { colnr_T len; #ifdef FEAT_VIRTUALEDIT colnr_T oldcol = curwin->w_cursor.col + curwin->w_cursor.coladd; #endif len = (colnr_T)STRLEN(ml_get_curline()); if (len == 0) curwin->w_cursor.col = 0; else if (curwin->w_cursor.col >= len) { /* Allow cursor past end-of-line in Insert mode, restarting Insert * mode or when in Visual mode and 'selection' isn't "old" */ if ((State & INSERT) || restart_edit #ifdef FEAT_VISUAL || (VIsual_active && *p_sel != 'o') #endif || virtual_active()) curwin->w_cursor.col = len; else { curwin->w_cursor.col = len - 1; #ifdef FEAT_MBYTE /* prevent cursor from moving on the trail byte */ if (has_mbyte) mb_adjust_cursor(); #endif } } #ifdef FEAT_VIRTUALEDIT /* If virtual editing is on, we can leave the cursor on the old position, * only we must set it to virtual. But don't do it when at the end of the * line. */ if (oldcol == MAXCOL) curwin->w_cursor.coladd = 0; else if (ve_flags == VE_ALL) curwin->w_cursor.coladd = oldcol - curwin->w_cursor.col; #endif } /* * make sure curwin->w_cursor in on a valid character */ void check_cursor() { check_cursor_lnum(); check_cursor_col(); } #if defined(FEAT_TEXTOBJ) || defined(PROTO) /* * Make sure curwin->w_cursor is not on the NUL at the end of the line. * Allow it when in Visual mode and 'selection' is not "old". */ void adjust_cursor_col() { if (curwin->w_cursor.col > 0 # ifdef FEAT_VISUAL && (!VIsual_active || *p_sel == 'o') # endif && gchar_cursor() == NUL) --curwin->w_cursor.col; } #endif /* * When curwin->w_leftcol has changed, adjust the cursor position. * Return TRUE if the cursor was moved. */ int leftcol_changed() { long lastcol; colnr_T s, e; int retval = FALSE; changed_cline_bef_curs(); lastcol = curwin->w_leftcol + W_WIDTH(curwin) - curwin_col_off() - 1; validate_virtcol(); /* * If the cursor is right or left of the screen, move it to last or first * character. */ if (curwin->w_virtcol > (colnr_T)(lastcol - p_siso)) { retval = TRUE; coladvance((colnr_T)(lastcol - p_siso)); } else if (curwin->w_virtcol < curwin->w_leftcol + p_siso) { retval = TRUE; (void)coladvance((colnr_T)(curwin->w_leftcol + p_siso)); } /* * If the start of the character under the cursor is not on the screen, * advance the cursor one more char. If this fails (last char of the * line) adjust the scrolling. */ getvvcol(curwin, &curwin->w_cursor, &s, NULL, &e); if (e > (colnr_T)lastcol) { retval = TRUE; coladvance(s - 1); } else if (s < curwin->w_leftcol) { retval = TRUE; if (coladvance(e + 1) == FAIL) /* there isn't another character */ { curwin->w_leftcol = s; /* adjust w_leftcol instead */ changed_cline_bef_curs(); } } if (retval) curwin->w_set_curswant = TRUE; redraw_later(NOT_VALID); return retval; } /********************************************************************** * Various routines dealing with allocation and deallocation of memory. */ #if defined(MEM_PROFILE) || defined(PROTO) # define MEM_SIZES 8200 static long_u mem_allocs[MEM_SIZES]; static long_u mem_frees[MEM_SIZES]; static long_u mem_allocated; static long_u mem_freed; static long_u mem_peak; static long_u num_alloc; static long_u num_freed; static void mem_pre_alloc_s __ARGS((size_t *sizep)); static void mem_pre_alloc_l __ARGS((long_u *sizep)); static void mem_post_alloc __ARGS((void **pp, size_t size)); static void mem_pre_free __ARGS((void **pp)); static void mem_pre_alloc_s(sizep) size_t *sizep; { *sizep += sizeof(size_t); } static void mem_pre_alloc_l(sizep) long_u *sizep; { *sizep += sizeof(size_t); } static void mem_post_alloc(pp, size) void **pp; size_t size; { if (*pp == NULL) return; size -= sizeof(size_t); *(long_u *)*pp = size; if (size <= MEM_SIZES-1) mem_allocs[size-1]++; else mem_allocs[MEM_SIZES-1]++; mem_allocated += size; if (mem_allocated - mem_freed > mem_peak) mem_peak = mem_allocated - mem_freed; num_alloc++; *pp = (void *)((char *)*pp + sizeof(size_t)); } static void mem_pre_free(pp) void **pp; { long_u size; *pp = (void *)((char *)*pp - sizeof(size_t)); size = *(size_t *)*pp; if (size <= MEM_SIZES-1) mem_frees[size-1]++; else mem_frees[MEM_SIZES-1]++; mem_freed += size; num_freed++; } /* * called on exit via atexit() */ void vim_mem_profile_dump() { int i, j; printf("\r\n"); j = 0; for (i = 0; i < MEM_SIZES - 1; i++) { if (mem_allocs[i] || mem_frees[i]) { if (mem_frees[i] > mem_allocs[i]) printf("\r\n%s", _("ERROR: ")); printf("[%4d / %4lu-%-4lu] ", i + 1, mem_allocs[i], mem_frees[i]); j++; if (j > 3) { j = 0; printf("\r\n"); } } } i = MEM_SIZES - 1; if (mem_allocs[i]) { printf("\r\n"); if (mem_frees[i] > mem_allocs[i]) printf(_("ERROR: ")); printf("[>%d / %4lu-%-4lu]", i, mem_allocs[i], mem_frees[i]); } printf(_("\n[bytes] total alloc-freed %lu-%lu, in use %lu, peak use %lu\n"), mem_allocated, mem_freed, mem_allocated - mem_freed, mem_peak); printf(_("[calls] total re/malloc()'s %lu, total free()'s %lu\n\n"), num_alloc, num_freed); } #endif /* MEM_PROFILE */ /* * Some memory is reserved for error messages and for being able to * call mf_release_all(), which needs some memory for mf_trans_add(). */ #if defined(MSDOS) && !defined(DJGPP) # define SMALL_MEM # define KEEP_ROOM 8192L #else # define KEEP_ROOM (2 * 8192L) #endif /* * Note: if unsinged is 16 bits we can only allocate up to 64K with alloc(). * Use lalloc for larger blocks. */ char_u * alloc(size) unsigned size; { return (lalloc((long_u)size, TRUE)); } /* * Allocate memory and set all bytes to zero. */ char_u * alloc_clear(size) unsigned size; { char_u *p; p = (lalloc((long_u)size, TRUE)); if (p != NULL) (void)vim_memset(p, 0, (size_t)size); return p; } /* * alloc() with check for maximum line length */ char_u * alloc_check(size) unsigned size; { #if !defined(UNIX) && !defined(__EMX__) if (sizeof(int) == 2 && size > 0x7fff) { /* Don't hide this message */ emsg_silent = 0; EMSG(_("E340: Line is becoming too long")); return NULL; } #endif return (lalloc((long_u)size, TRUE)); } /* * Allocate memory like lalloc() and set all bytes to zero. */ char_u * lalloc_clear(size, message) long_u size; int message; { char_u *p; p = (lalloc(size, message)); if (p != NULL) (void)vim_memset(p, 0, (size_t)size); return p; } /* * Low level memory allocation function. * This is used often, KEEP IT FAST! */ char_u * lalloc(size, message) long_u size; int message; { char_u *p; /* pointer to new storage space */ static int releasing = FALSE; /* don't do mf_release_all() recursive */ int try_again; #if defined(HAVE_AVAIL_MEM) && !defined(SMALL_MEM) static long_u allocated = 0; /* allocated since last avail check */ #endif /* Safety check for allocating zero bytes */ if (size == 0) { /* Don't hide this message */ emsg_silent = 0; EMSGN(_("E341: Internal error: lalloc(%ld, )"), size); return NULL; } #ifdef MEM_PROFILE mem_pre_alloc_l(&size); #endif #if defined(MSDOS) && !defined(DJGPP) if (size >= 0xfff0) /* in MSDOS we can't deal with >64K blocks */ p = NULL; else #endif /* * Loop when out of memory: Try to release some memfile blocks and * if some blocks are released call malloc again. */ for (;;) { /* * Handle three kind of systems: * 1. No check for available memory: Just return. * 2. Slow check for available memory: call mch_avail_mem() after * allocating KEEP_ROOM amount of memory. * 3. Strict check for available memory: call mch_avail_mem() */ if ((p = (char_u *)malloc((size_t)size)) != NULL) { #ifndef HAVE_AVAIL_MEM /* 1. No check for available memory: Just return. */ goto theend; #else # ifndef SMALL_MEM /* 2. Slow check for available memory: call mch_avail_mem() after * allocating (KEEP_ROOM / 2) amount of memory. */ allocated += size; if (allocated < KEEP_ROOM / 2) goto theend; allocated = 0; # endif /* 3. check for available memory: call mch_avail_mem() */ if (mch_avail_mem(TRUE) < KEEP_ROOM && !releasing) { vim_free((char *)p); /* System is low... no go! */ p = NULL; } else goto theend; #endif } /* * Remember that mf_release_all() is being called to avoid an endless * loop, because mf_release_all() may call alloc() recursively. */ if (releasing) break; releasing = TRUE; clear_sb_text(); /* free any scrollback text */ try_again = mf_release_all(); /* release as many blocks as possible */ #ifdef FEAT_EVAL try_again |= garbage_collect(); /* cleanup recursive lists/dicts */ #endif releasing = FALSE; if (!try_again) break; } if (message && p == NULL) do_outofmem_msg(size); theend: #ifdef MEM_PROFILE mem_post_alloc((void **)&p, (size_t)size); #endif return p; } #if defined(MEM_PROFILE) || defined(PROTO) /* * realloc() with memory profiling. */ void * mem_realloc(ptr, size) void *ptr; size_t size; { void *p; mem_pre_free(&ptr); mem_pre_alloc_s(&size); p = realloc(ptr, size); mem_post_alloc(&p, size); return p; } #endif /* * Avoid repeating the error message many times (they take 1 second each). * Did_outofmem_msg is reset when a character is read. */ void do_outofmem_msg(size) long_u size; { if (!did_outofmem_msg) { /* Don't hide this message */ emsg_silent = 0; EMSGN(_("E342: Out of memory! (allocating %lu bytes)"), size); did_outofmem_msg = TRUE; } } #if defined(EXITFREE) || defined(PROTO) # if defined(FEAT_SEARCHPATH) static void free_findfile __ARGS((void)); # endif /* * Free everything that we allocated. * Can be used to detect memory leaks, e.g., with ccmalloc. * NOTE: This is tricky! Things are freed that functions depend on. Don't be * surprised if Vim crashes... * Some things can't be freed, esp. things local to a library function. */ void free_all_mem() { buf_T *buf, *nextbuf; static int entered = FALSE; win_T *win; /* When we cause a crash here it is caught and Vim tries to exit cleanly. * Don't try freeing everything again. */ if (entered) return; entered = TRUE; ++autocmd_block; /* don't want to trigger autocommands here */ #ifdef FEAT_WINDOWS /* close all tabs and windows */ if (first_tabpage->tp_next != NULL) do_cmdline_cmd((char_u *)"tabonly!"); if (firstwin != lastwin) do_cmdline_cmd((char_u *)"only!"); #endif # if defined(FEAT_SPELL) /* Free all spell info. */ spell_free_all(); # endif # if defined(FEAT_USR_CMDS) /* Clear user commands (before deleting buffers). */ ex_comclear(NULL); # endif # ifdef FEAT_MENU /* Clear menus. */ do_cmdline_cmd((char_u *)"aunmenu *"); # endif /* Clear mappings, abbreviations, breakpoints. */ do_cmdline_cmd((char_u *)"mapclear"); do_cmdline_cmd((char_u *)"mapclear!"); do_cmdline_cmd((char_u *)"abclear"); # if defined(FEAT_EVAL) do_cmdline_cmd((char_u *)"breakdel *"); # endif # if defined(FEAT_PROFILE) do_cmdline_cmd((char_u *)"profdel *"); # endif # ifdef FEAT_TITLE free_titles(); # endif # if defined(FEAT_SEARCHPATH) free_findfile(); # endif /* Obviously named calls. */ # if defined(FEAT_AUTOCMD) free_all_autocmds(); # endif clear_termcodes(); free_all_options(); free_all_marks(); alist_clear(&global_alist); free_homedir(); free_search_patterns(); free_old_sub(); free_last_insert(); free_prev_shellcmd(); free_regexp_stuff(); free_tag_stuff(); free_cd_dir(); set_expr_line(NULL); diff_clear(curtab); clear_sb_text(); /* free any scrollback text */ /* Free some global vars. */ vim_free(username); vim_free(clip_exclude_prog); vim_free(last_cmdline); vim_free(new_last_cmdline); set_keep_msg(NULL, 0); vim_free(ff_expand_buffer); /* Clear cmdline history. */ p_hi = 0; init_history(); #ifdef FEAT_QUICKFIX qf_free_all(NULL); /* Free all location lists */ FOR_ALL_WINDOWS(win) qf_free_all(win); #endif /* Close all script inputs. */ close_all_scripts(); #if defined(FEAT_WINDOWS) /* Destroy all windows. Must come before freeing buffers. */ win_free_all(); #endif /* Free all buffers. */ for (buf = firstbuf; buf != NULL; ) { nextbuf = buf->b_next; close_buffer(NULL, buf, DOBUF_WIPE); if (buf_valid(buf)) buf = nextbuf; /* didn't work, try next one */ else buf = firstbuf; } #ifdef FEAT_ARABIC free_cmdline_buf(); #endif /* Clear registers. */ clear_registers(); ResetRedobuff(); ResetRedobuff(); #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11) vim_free(serverDelayedStartName); #endif /* highlight info */ free_highlight(); reset_last_sourcing(); #ifdef FEAT_WINDOWS free_tabpage(first_tabpage); first_tabpage = NULL; #endif # ifdef UNIX /* Machine-specific free. */ mch_free_mem(); # endif /* message history */ for (;;) if (delete_first_msg() == FAIL) break; # ifdef FEAT_EVAL eval_clear(); # endif free_termoptions(); /* screenlines (can't display anything now!) */ free_screenlines(); #if defined(USE_XSMP) xsmp_close(); #endif #ifdef FEAT_GUI_GTK gui_mch_free_all(); #endif clear_hl_tables(); vim_free(IObuff); vim_free(NameBuff); } #endif /* * copy a string into newly allocated memory */ char_u * vim_strsave(string) char_u *string; { char_u *p; unsigned len; len = (unsigned)STRLEN(string) + 1; p = alloc(len); if (p != NULL) mch_memmove(p, string, (size_t)len); return p; } char_u * vim_strnsave(string, len) char_u *string; int len; { char_u *p; p = alloc((unsigned)(len + 1)); if (p != NULL) { STRNCPY(p, string, len); p[len] = NUL; } return p; } /* * Same as vim_strsave(), but any characters found in esc_chars are preceded * by a backslash. */ char_u * vim_strsave_escaped(string, esc_chars) char_u *string; char_u *esc_chars; { return vim_strsave_escaped_ext(string, esc_chars, '\\', FALSE); } /* * Same as vim_strsave_escaped(), but when "bsl" is TRUE also escape * characters where rem_backslash() would remove the backslash. * Escape the characters with "cc". */ char_u * vim_strsave_escaped_ext(string, esc_chars, cc, bsl) char_u *string; char_u *esc_chars; int cc; int bsl; { char_u *p; char_u *p2; char_u *escaped_string; unsigned length; #ifdef FEAT_MBYTE int l; #endif /* * First count the number of backslashes required. * Then allocate the memory and insert them. */ length = 1; /* count the trailing NUL */ for (p = string; *p; p++) { #ifdef FEAT_MBYTE if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { length += l; /* count a multibyte char */ p += l - 1; continue; } #endif if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) ++length; /* count a backslash */ ++length; /* count an ordinary char */ } escaped_string = alloc(length); if (escaped_string != NULL) { p2 = escaped_string; for (p = string; *p; p++) { #ifdef FEAT_MBYTE if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { mch_memmove(p2, p, (size_t)l); p2 += l; p += l - 1; /* skip multibyte char */ continue; } #endif if (vim_strchr(esc_chars, *p) != NULL || (bsl && rem_backslash(p))) *p2++ = cc; *p2++ = *p; } *p2 = NUL; } return escaped_string; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Escape "string" for use as a shell argument with system(). * This uses single quotes, except when we know we need to use double qoutes * (MS-DOS and MS-Windows without 'shellslash' set). * Returns the result in allocated memory, NULL if we have run out. */ char_u * vim_strsave_shellescape(string) char_u *string; { unsigned length; char_u *p; char_u *d; char_u *escaped_string; /* First count the number of extra bytes required. */ length = (unsigned)STRLEN(string) + 3; /* two quotes and a trailing NUL */ for (p = string; *p != NUL; mb_ptr_adv(p)) { # if defined(WIN32) || defined(WIN16) || defined(DOS) if (!p_ssl) { if (*p == '"') ++length; /* " -> "" */ } else # endif if (*p == '\'') length += 3; /* ' => '\'' */ } /* Allocate memory for the result and fill it. */ escaped_string = alloc(length); if (escaped_string != NULL) { d = escaped_string; /* add opening quote */ # if defined(WIN32) || defined(WIN16) || defined(DOS) if (!p_ssl) *d++ = '"'; else # endif *d++ = '\''; for (p = string; *p != NUL; ) { # if defined(WIN32) || defined(WIN16) || defined(DOS) if (!p_ssl) { if (*p == '"') { *d++ = '"'; *d++ = '"'; ++p; continue; } } else # endif if (*p == '\'') { *d++='\''; *d++='\\'; *d++='\''; *d++='\''; ++p; continue; } MB_COPY_CHAR(p, d); } /* add terminating quote and finish with a NUL */ # if defined(WIN32) || defined(WIN16) || defined(DOS) if (!p_ssl) *d++ = '"'; else # endif *d++ = '\''; *d = NUL; } return escaped_string; } #endif /* * Like vim_strsave(), but make all characters uppercase. * This uses ASCII lower-to-upper case translation, language independent. */ char_u * vim_strsave_up(string) char_u *string; { char_u *p1; p1 = vim_strsave(string); vim_strup(p1); return p1; } /* * Like vim_strnsave(), but make all characters uppercase. * This uses ASCII lower-to-upper case translation, language independent. */ char_u * vim_strnsave_up(string, len) char_u *string; int len; { char_u *p1; p1 = vim_strnsave(string, len); vim_strup(p1); return p1; } /* * ASCII lower-to-upper case translation, language independent. */ void vim_strup(p) char_u *p; { char_u *p2; int c; if (p != NULL) { p2 = p; while ((c = *p2) != NUL) #ifdef EBCDIC *p2++ = isalpha(c) ? toupper(c) : c; #else *p2++ = (c < 'a' || c > 'z') ? c : (c - 0x20); #endif } } #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) /* * Make string "s" all upper-case and return it in allocated memory. * Handles multi-byte characters as well as possible. * Returns NULL when out of memory. */ char_u * strup_save(orig) char_u *orig; { char_u *p; char_u *res; res = p = vim_strsave(orig); if (res != NULL) while (*p != NUL) { # ifdef FEAT_MBYTE int l; if (enc_utf8) { int c, uc; int nl; char_u *s; c = utf_ptr2char(p); uc = utf_toupper(c); /* Reallocate string when byte count changes. This is rare, * thus it's OK to do another malloc()/free(). */ l = utf_ptr2len(p); nl = utf_char2len(uc); if (nl != l) { s = alloc((unsigned)STRLEN(res) + 1 + nl - l); if (s == NULL) break; mch_memmove(s, res, p - res); STRCPY(s + (p - res) + nl, p + l); p = s + (p - res); vim_free(res); res = s; } utf_char2bytes(uc, p); p += nl; } else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) p += l; /* skip multi-byte character */ else # endif { *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */ p++; } } return res; } #endif /* * copy a space a number of times */ void copy_spaces(ptr, count) char_u *ptr; size_t count; { size_t i = count; char_u *p = ptr; while (i--) *p++ = ' '; } #if defined(FEAT_VISUALEXTRA) || defined(PROTO) /* * Copy a character a number of times. * Does not work for multi-byte charactes! */ void copy_chars(ptr, count, c) char_u *ptr; size_t count; int c; { size_t i = count; char_u *p = ptr; while (i--) *p++ = c; } #endif /* * delete spaces at the end of a string */ void del_trailing_spaces(ptr) char_u *ptr; { char_u *q; q = ptr + STRLEN(ptr); while (--q > ptr && vim_iswhite(q[0]) && q[-1] != '\\' && q[-1] != Ctrl_V) *q = NUL; } /* * Like strncpy(), but always terminate the result with one NUL. * "to" must be "len + 1" long! */ void vim_strncpy(to, from, len) char_u *to; char_u *from; size_t len; { STRNCPY(to, from, len); to[len] = NUL; } /* * Isolate one part of a string option where parts are separated with * "sep_chars". * The part is copied into "buf[maxlen]". * "*option" is advanced to the next part. * The length is returned. */ int copy_option_part(option, buf, maxlen, sep_chars) char_u **option; char_u *buf; int maxlen; char *sep_chars; { int len = 0; char_u *p = *option; /* skip '.' at start of option part, for 'suffixes' */ if (*p == '.') buf[len++] = *p++; while (*p != NUL && vim_strchr((char_u *)sep_chars, *p) == NULL) { /* * Skip backslash before a separator character and space. */ if (p[0] == '\\' && vim_strchr((char_u *)sep_chars, p[1]) != NULL) ++p; if (len < maxlen - 1) buf[len++] = *p; ++p; } buf[len] = NUL; if (*p != NUL && *p != ',') /* skip non-standard separator */ ++p; p = skip_to_option_part(p); /* p points to next file name */ *option = p; return len; } /* * Replacement for free() that ignores NULL pointers. * Also skip free() when exiting for sure, this helps when we caught a deadly * signal that was caused by a crash in free(). */ void vim_free(x) void *x; { if (x != NULL && !really_exiting) { #ifdef MEM_PROFILE mem_pre_free(&x); #endif free(x); } } #ifndef HAVE_MEMSET void * vim_memset(ptr, c, size) void *ptr; int c; size_t size; { char *p = ptr; while (size-- > 0) *p++ = c; return ptr; } #endif #ifdef VIM_MEMCMP /* * Return zero when "b1" and "b2" are the same for "len" bytes. * Return non-zero otherwise. */ int vim_memcmp(b1, b2, len) void *b1; void *b2; size_t len; { char_u *p1 = (char_u *)b1, *p2 = (char_u *)b2; for ( ; len > 0; --len) { if (*p1 != *p2) return 1; ++p1; ++p2; } return 0; } #endif #ifdef VIM_MEMMOVE /* * Version of memmove() that handles overlapping source and destination. * For systems that don't have a function that is guaranteed to do that (SYSV). */ void mch_memmove(dst_arg, src_arg, len) void *src_arg, *dst_arg; size_t len; { /* * A void doesn't have a size, we use char pointers. */ char *dst = dst_arg, *src = src_arg; /* overlap, copy backwards */ if (dst > src && dst < src + len) { src += len; dst += len; while (len-- > 0) *--dst = *--src; } else /* copy forwards */ while (len-- > 0) *dst++ = *src++; } #endif #if (!defined(HAVE_STRCASECMP) && !defined(HAVE_STRICMP)) || defined(PROTO) /* * Compare two strings, ignoring case, using current locale. * Doesn't work for multi-byte characters. * return 0 for match, < 0 for smaller, > 0 for bigger */ int vim_stricmp(s1, s2) char *s1; char *s2; { int i; for (;;) { i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); if (i != 0) return i; /* this character different */ if (*s1 == NUL) break; /* strings match until NUL */ ++s1; ++s2; } return 0; /* strings match */ } #endif #if (!defined(HAVE_STRNCASECMP) && !defined(HAVE_STRNICMP)) || defined(PROTO) /* * Compare two strings, for length "len", ignoring case, using current locale. * Doesn't work for multi-byte characters. * return 0 for match, < 0 for smaller, > 0 for bigger */ int vim_strnicmp(s1, s2, len) char *s1; char *s2; size_t len; { int i; while (len > 0) { i = (int)TOLOWER_LOC(*s1) - (int)TOLOWER_LOC(*s2); if (i != 0) return i; /* this character different */ if (*s1 == NUL) break; /* strings match until NUL */ ++s1; ++s2; --len; } return 0; /* strings match */ } #endif #if 0 /* currently not used */ /* * Check if string "s2" appears somewhere in "s1" while ignoring case. * Return NULL if not, a pointer to the first occurrence if it does. */ char_u * vim_stristr(s1, s2) char_u *s1; char_u *s2; { char_u *p; int len = STRLEN(s2); char_u *end = s1 + STRLEN(s1) - len; for (p = s1; p <= end; ++p) if (STRNICMP(p, s2, len) == 0) return p; return NULL; } #endif /* * Version of strchr() and strrchr() that handle unsigned char strings * with characters from 128 to 255 correctly. It also doesn't return a * pointer to the NUL at the end of the string. */ char_u * vim_strchr(string, c) char_u *string; int c; { char_u *p; int b; p = string; #ifdef FEAT_MBYTE if (enc_utf8 && c >= 0x80) { while (*p != NUL) { if (utf_ptr2char(p) == c) return p; p += (*mb_ptr2len)(p); } return NULL; } if (enc_dbcs != 0 && c > 255) { int n2 = c & 0xff; c = ((unsigned)c >> 8) & 0xff; while ((b = *p) != NUL) { if (b == c && p[1] == n2) return p; p += (*mb_ptr2len)(p); } return NULL; } if (has_mbyte) { while ((b = *p) != NUL) { if (b == c) return p; p += (*mb_ptr2len)(p); } return NULL; } #endif while ((b = *p) != NUL) { if (b == c) return p; ++p; } return NULL; } /* * Version of strchr() that only works for bytes and handles unsigned char * strings with characters above 128 correctly. It also doesn't return a * pointer to the NUL at the end of the string. */ char_u * vim_strbyte(string, c) char_u *string; int c; { char_u *p = string; while (*p != NUL) { if (*p == c) return p; ++p; } return NULL; } /* * Search for last occurrence of "c" in "string". * Return NULL if not found. * Does not handle multi-byte char for "c"! */ char_u * vim_strrchr(string, c) char_u *string; int c; { char_u *retval = NULL; char_u *p = string; while (*p) { if (*p == c) retval = p; mb_ptr_adv(p); } return retval; } /* * Vim's version of strpbrk(), in case it's missing. * Don't generate a prototype for this, causes problems when it's not used. */ #ifndef PROTO # ifndef HAVE_STRPBRK # ifdef vim_strpbrk # undef vim_strpbrk # endif char_u * vim_strpbrk(s, charset) char_u *s; char_u *charset; { while (*s) { if (vim_strchr(charset, *s) != NULL) return s; mb_ptr_adv(s); } return NULL; } # endif #endif /* * Vim has its own isspace() function, because on some machines isspace() * can't handle characters above 128. */ int vim_isspace(x) int x; { return ((x >= 9 && x <= 13) || x == ' '); } /************************************************************************ * Functions for handling growing arrays. */ /* * Clear an allocated growing array. */ void ga_clear(gap) garray_T *gap; { vim_free(gap->ga_data); ga_init(gap); } /* * Clear a growing array that contains a list of strings. */ void ga_clear_strings(gap) garray_T *gap; { int i; for (i = 0; i < gap->ga_len; ++i) vim_free(((char_u **)(gap->ga_data))[i]); ga_clear(gap); } /* * Initialize a growing array. Don't forget to set ga_itemsize and * ga_growsize! Or use ga_init2(). */ void ga_init(gap) garray_T *gap; { gap->ga_data = NULL; gap->ga_maxlen = 0; gap->ga_len = 0; } void ga_init2(gap, itemsize, growsize) garray_T *gap; int itemsize; int growsize; { ga_init(gap); gap->ga_itemsize = itemsize; gap->ga_growsize = growsize; } /* * Make room in growing array "gap" for at least "n" items. * Return FAIL for failure, OK otherwise. */ int ga_grow(gap, n) garray_T *gap; int n; { size_t len; char_u *pp; if (gap->ga_maxlen - gap->ga_len < n) { if (n < gap->ga_growsize) n = gap->ga_growsize; len = gap->ga_itemsize * (gap->ga_len + n); pp = alloc_clear((unsigned)len); if (pp == NULL) return FAIL; gap->ga_maxlen = gap->ga_len + n; if (gap->ga_data != NULL) { mch_memmove(pp, gap->ga_data, (size_t)(gap->ga_itemsize * gap->ga_len)); vim_free(gap->ga_data); } gap->ga_data = pp; } return OK; } /* * Concatenate a string to a growarray which contains characters. * Note: Does NOT copy the NUL at the end! */ void ga_concat(gap, s) garray_T *gap; char_u *s; { int len = (int)STRLEN(s); if (ga_grow(gap, len) == OK) { mch_memmove((char *)gap->ga_data + gap->ga_len, s, (size_t)len); gap->ga_len += len; } } /* * Append one byte to a growarray which contains bytes. */ void ga_append(gap, c) garray_T *gap; int c; { if (ga_grow(gap, 1) == OK) { *((char *)gap->ga_data + gap->ga_len) = c; ++gap->ga_len; } } /************************************************************************ * functions that use lookup tables for various things, generally to do with * special key codes. */ /* * Some useful tables. */ static struct modmasktable { short mod_mask; /* Bit-mask for particular key modifier */ short mod_flag; /* Bit(s) for particular key modifier */ char_u name; /* Single letter name of modifier */ } mod_mask_table[] = { {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'M'}, {MOD_MASK_META, MOD_MASK_META, (char_u)'T'}, {MOD_MASK_CTRL, MOD_MASK_CTRL, (char_u)'C'}, {MOD_MASK_SHIFT, MOD_MASK_SHIFT, (char_u)'S'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_2CLICK, (char_u)'2'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_3CLICK, (char_u)'3'}, {MOD_MASK_MULTI_CLICK, MOD_MASK_4CLICK, (char_u)'4'}, #ifdef MACOS {MOD_MASK_CMD, MOD_MASK_CMD, (char_u)'D'}, #endif /* 'A' must be the last one */ {MOD_MASK_ALT, MOD_MASK_ALT, (char_u)'A'}, {0, 0, NUL} }; /* * Shifted key terminal codes and their unshifted equivalent. * Don't add mouse codes here, they are handled separately! */ #define MOD_KEYS_ENTRY_SIZE 5 static char_u modifier_keys_table[] = { /* mod mask with modifier without modifier */ MOD_MASK_SHIFT, '&', '9', '@', '1', /* begin */ MOD_MASK_SHIFT, '&', '0', '@', '2', /* cancel */ MOD_MASK_SHIFT, '*', '1', '@', '4', /* command */ MOD_MASK_SHIFT, '*', '2', '@', '5', /* copy */ MOD_MASK_SHIFT, '*', '3', '@', '6', /* create */ MOD_MASK_SHIFT, '*', '4', 'k', 'D', /* delete char */ MOD_MASK_SHIFT, '*', '5', 'k', 'L', /* delete line */ MOD_MASK_SHIFT, '*', '7', '@', '7', /* end */ MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_END, '@', '7', /* end */ MOD_MASK_SHIFT, '*', '9', '@', '9', /* exit */ MOD_MASK_SHIFT, '*', '0', '@', '0', /* find */ MOD_MASK_SHIFT, '#', '1', '%', '1', /* help */ MOD_MASK_SHIFT, '#', '2', 'k', 'h', /* home */ MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_HOME, 'k', 'h', /* home */ MOD_MASK_SHIFT, '#', '3', 'k', 'I', /* insert */ MOD_MASK_SHIFT, '#', '4', 'k', 'l', /* left arrow */ MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_LEFT, 'k', 'l', /* left arrow */ MOD_MASK_SHIFT, '%', 'a', '%', '3', /* message */ MOD_MASK_SHIFT, '%', 'b', '%', '4', /* move */ MOD_MASK_SHIFT, '%', 'c', '%', '5', /* next */ MOD_MASK_SHIFT, '%', 'd', '%', '7', /* options */ MOD_MASK_SHIFT, '%', 'e', '%', '8', /* previous */ MOD_MASK_SHIFT, '%', 'f', '%', '9', /* print */ MOD_MASK_SHIFT, '%', 'g', '%', '0', /* redo */ MOD_MASK_SHIFT, '%', 'h', '&', '3', /* replace */ MOD_MASK_SHIFT, '%', 'i', 'k', 'r', /* right arr. */ MOD_MASK_CTRL, KS_EXTRA, (int)KE_C_RIGHT, 'k', 'r', /* right arr. */ MOD_MASK_SHIFT, '%', 'j', '&', '5', /* resume */ MOD_MASK_SHIFT, '!', '1', '&', '6', /* save */ MOD_MASK_SHIFT, '!', '2', '&', '7', /* suspend */ MOD_MASK_SHIFT, '!', '3', '&', '8', /* undo */ MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_UP, 'k', 'u', /* up arrow */ MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_DOWN, 'k', 'd', /* down arrow */ /* vt100 F1 */ MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF1, KS_EXTRA, (int)KE_XF1, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF2, KS_EXTRA, (int)KE_XF2, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF3, KS_EXTRA, (int)KE_XF3, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_XF4, KS_EXTRA, (int)KE_XF4, MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F1, 'k', '1', /* F1 */ MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F2, 'k', '2', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F3, 'k', '3', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F4, 'k', '4', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F5, 'k', '5', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F6, 'k', '6', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F7, 'k', '7', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F8, 'k', '8', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F9, 'k', '9', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F10, 'k', ';', /* F10 */ MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F11, 'F', '1', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F12, 'F', '2', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F13, 'F', '3', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F14, 'F', '4', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F15, 'F', '5', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F16, 'F', '6', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F17, 'F', '7', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F18, 'F', '8', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F19, 'F', '9', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F20, 'F', 'A', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F21, 'F', 'B', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F22, 'F', 'C', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F23, 'F', 'D', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F24, 'F', 'E', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F25, 'F', 'F', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F26, 'F', 'G', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F27, 'F', 'H', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F28, 'F', 'I', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F29, 'F', 'J', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F30, 'F', 'K', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F31, 'F', 'L', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F32, 'F', 'M', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F33, 'F', 'N', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F34, 'F', 'O', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F35, 'F', 'P', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F36, 'F', 'Q', MOD_MASK_SHIFT, KS_EXTRA, (int)KE_S_F37, 'F', 'R', /* TAB pseudo code*/ MOD_MASK_SHIFT, 'k', 'B', KS_EXTRA, (int)KE_TAB, NUL }; static struct key_name_entry { int key; /* Special key code or ascii value */ char_u *name; /* Name of key */ } key_names_table[] = { {' ', (char_u *)"Space"}, {TAB, (char_u *)"Tab"}, {K_TAB, (char_u *)"Tab"}, {NL, (char_u *)"NL"}, {NL, (char_u *)"NewLine"}, /* Alternative name */ {NL, (char_u *)"LineFeed"}, /* Alternative name */ {NL, (char_u *)"LF"}, /* Alternative name */ {CAR, (char_u *)"CR"}, {CAR, (char_u *)"Return"}, /* Alternative name */ {CAR, (char_u *)"Enter"}, /* Alternative name */ {K_BS, (char_u *)"BS"}, {K_BS, (char_u *)"BackSpace"}, /* Alternative name */ {ESC, (char_u *)"Esc"}, {CSI, (char_u *)"CSI"}, {K_CSI, (char_u *)"xCSI"}, {'|', (char_u *)"Bar"}, {'\\', (char_u *)"Bslash"}, {K_DEL, (char_u *)"Del"}, {K_DEL, (char_u *)"Delete"}, /* Alternative name */ {K_KDEL, (char_u *)"kDel"}, {K_UP, (char_u *)"Up"}, {K_DOWN, (char_u *)"Down"}, {K_LEFT, (char_u *)"Left"}, {K_RIGHT, (char_u *)"Right"}, {K_XUP, (char_u *)"xUp"}, {K_XDOWN, (char_u *)"xDown"}, {K_XLEFT, (char_u *)"xLeft"}, {K_XRIGHT, (char_u *)"xRight"}, {K_F1, (char_u *)"F1"}, {K_F2, (char_u *)"F2"}, {K_F3, (char_u *)"F3"}, {K_F4, (char_u *)"F4"}, {K_F5, (char_u *)"F5"}, {K_F6, (char_u *)"F6"}, {K_F7, (char_u *)"F7"}, {K_F8, (char_u *)"F8"}, {K_F9, (char_u *)"F9"}, {K_F10, (char_u *)"F10"}, {K_F11, (char_u *)"F11"}, {K_F12, (char_u *)"F12"}, {K_F13, (char_u *)"F13"}, {K_F14, (char_u *)"F14"}, {K_F15, (char_u *)"F15"}, {K_F16, (char_u *)"F16"}, {K_F17, (char_u *)"F17"}, {K_F18, (char_u *)"F18"}, {K_F19, (char_u *)"F19"}, {K_F20, (char_u *)"F20"}, {K_F21, (char_u *)"F21"}, {K_F22, (char_u *)"F22"}, {K_F23, (char_u *)"F23"}, {K_F24, (char_u *)"F24"}, {K_F25, (char_u *)"F25"}, {K_F26, (char_u *)"F26"}, {K_F27, (char_u *)"F27"}, {K_F28, (char_u *)"F28"}, {K_F29, (char_u *)"F29"}, {K_F30, (char_u *)"F30"}, {K_F31, (char_u *)"F31"}, {K_F32, (char_u *)"F32"}, {K_F33, (char_u *)"F33"}, {K_F34, (char_u *)"F34"}, {K_F35, (char_u *)"F35"}, {K_F36, (char_u *)"F36"}, {K_F37, (char_u *)"F37"}, {K_XF1, (char_u *)"xF1"}, {K_XF2, (char_u *)"xF2"}, {K_XF3, (char_u *)"xF3"}, {K_XF4, (char_u *)"xF4"}, {K_HELP, (char_u *)"Help"}, {K_UNDO, (char_u *)"Undo"}, {K_INS, (char_u *)"Insert"}, {K_INS, (char_u *)"Ins"}, /* Alternative name */ {K_KINS, (char_u *)"kInsert"}, {K_HOME, (char_u *)"Home"}, {K_KHOME, (char_u *)"kHome"}, {K_XHOME, (char_u *)"xHome"}, {K_ZHOME, (char_u *)"zHome"}, {K_END, (char_u *)"End"}, {K_KEND, (char_u *)"kEnd"}, {K_XEND, (char_u *)"xEnd"}, {K_ZEND, (char_u *)"zEnd"}, {K_PAGEUP, (char_u *)"PageUp"}, {K_PAGEDOWN, (char_u *)"PageDown"}, {K_KPAGEUP, (char_u *)"kPageUp"}, {K_KPAGEDOWN, (char_u *)"kPageDown"}, {K_KPLUS, (char_u *)"kPlus"}, {K_KMINUS, (char_u *)"kMinus"}, {K_KDIVIDE, (char_u *)"kDivide"}, {K_KMULTIPLY, (char_u *)"kMultiply"}, {K_KENTER, (char_u *)"kEnter"}, {K_KPOINT, (char_u *)"kPoint"}, {K_K0, (char_u *)"k0"}, {K_K1, (char_u *)"k1"}, {K_K2, (char_u *)"k2"}, {K_K3, (char_u *)"k3"}, {K_K4, (char_u *)"k4"}, {K_K5, (char_u *)"k5"}, {K_K6, (char_u *)"k6"}, {K_K7, (char_u *)"k7"}, {K_K8, (char_u *)"k8"}, {K_K9, (char_u *)"k9"}, {'<', (char_u *)"lt"}, {K_MOUSE, (char_u *)"Mouse"}, {K_NETTERM_MOUSE, (char_u *)"NetMouse"}, {K_DEC_MOUSE, (char_u *)"DecMouse"}, {K_JSBTERM_MOUSE, (char_u *)"JsbMouse"}, {K_PTERM_MOUSE, (char_u *)"PtermMouse"}, {K_LEFTMOUSE, (char_u *)"LeftMouse"}, {K_LEFTMOUSE_NM, (char_u *)"LeftMouseNM"}, {K_LEFTDRAG, (char_u *)"LeftDrag"}, {K_LEFTRELEASE, (char_u *)"LeftRelease"}, {K_LEFTRELEASE_NM, (char_u *)"LeftReleaseNM"}, {K_MIDDLEMOUSE, (char_u *)"MiddleMouse"}, {K_MIDDLEDRAG, (char_u *)"MiddleDrag"}, {K_MIDDLERELEASE, (char_u *)"MiddleRelease"}, {K_RIGHTMOUSE, (char_u *)"RightMouse"}, {K_RIGHTDRAG, (char_u *)"RightDrag"}, {K_RIGHTRELEASE, (char_u *)"RightRelease"}, {K_MOUSEDOWN, (char_u *)"MouseDown"}, {K_MOUSEUP, (char_u *)"MouseUp"}, {K_X1MOUSE, (char_u *)"X1Mouse"}, {K_X1DRAG, (char_u *)"X1Drag"}, {K_X1RELEASE, (char_u *)"X1Release"}, {K_X2MOUSE, (char_u *)"X2Mouse"}, {K_X2DRAG, (char_u *)"X2Drag"}, {K_X2RELEASE, (char_u *)"X2Release"}, {K_DROP, (char_u *)"Drop"}, {K_ZERO, (char_u *)"Nul"}, #ifdef FEAT_EVAL {K_SNR, (char_u *)"SNR"}, #endif {K_PLUG, (char_u *)"Plug"}, {0, NULL} }; #define KEY_NAMES_TABLE_LEN (sizeof(key_names_table) / sizeof(struct key_name_entry)) #ifdef FEAT_MOUSE static struct mousetable { int pseudo_code; /* Code for pseudo mouse event */ int button; /* Which mouse button is it? */ int is_click; /* Is it a mouse button click event? */ int is_drag; /* Is it a mouse drag event? */ } mouse_table[] = { {(int)KE_LEFTMOUSE, MOUSE_LEFT, TRUE, FALSE}, #ifdef FEAT_GUI {(int)KE_LEFTMOUSE_NM, MOUSE_LEFT, TRUE, FALSE}, #endif {(int)KE_LEFTDRAG, MOUSE_LEFT, FALSE, TRUE}, {(int)KE_LEFTRELEASE, MOUSE_LEFT, FALSE, FALSE}, #ifdef FEAT_GUI {(int)KE_LEFTRELEASE_NM, MOUSE_LEFT, FALSE, FALSE}, #endif {(int)KE_MIDDLEMOUSE, MOUSE_MIDDLE, TRUE, FALSE}, {(int)KE_MIDDLEDRAG, MOUSE_MIDDLE, FALSE, TRUE}, {(int)KE_MIDDLERELEASE, MOUSE_MIDDLE, FALSE, FALSE}, {(int)KE_RIGHTMOUSE, MOUSE_RIGHT, TRUE, FALSE}, {(int)KE_RIGHTDRAG, MOUSE_RIGHT, FALSE, TRUE}, {(int)KE_RIGHTRELEASE, MOUSE_RIGHT, FALSE, FALSE}, {(int)KE_X1MOUSE, MOUSE_X1, TRUE, FALSE}, {(int)KE_X1DRAG, MOUSE_X1, FALSE, TRUE}, {(int)KE_X1RELEASE, MOUSE_X1, FALSE, FALSE}, {(int)KE_X2MOUSE, MOUSE_X2, TRUE, FALSE}, {(int)KE_X2DRAG, MOUSE_X2, FALSE, TRUE}, {(int)KE_X2RELEASE, MOUSE_X2, FALSE, FALSE}, /* DRAG without CLICK */ {(int)KE_IGNORE, MOUSE_RELEASE, FALSE, TRUE}, /* RELEASE without CLICK */ {(int)KE_IGNORE, MOUSE_RELEASE, FALSE, FALSE}, {0, 0, 0, 0}, }; #endif /* FEAT_MOUSE */ /* * Return the modifier mask bit (MOD_MASK_*) which corresponds to the given * modifier name ('S' for Shift, 'C' for Ctrl etc). */ int name_to_mod_mask(c) int c; { int i; c = TOUPPER_ASC(c); for (i = 0; mod_mask_table[i].mod_mask != 0; i++) if (c == mod_mask_table[i].name) return mod_mask_table[i].mod_flag; return 0; } /* * Check if if there is a special key code for "key" that includes the * modifiers specified. */ int simplify_key(key, modifiers) int key; int *modifiers; { int i; int key0; int key1; if (*modifiers & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) { /* TAB is a special case */ if (key == TAB && (*modifiers & MOD_MASK_SHIFT)) { *modifiers &= ~MOD_MASK_SHIFT; return K_S_TAB; } key0 = KEY2TERMCAP0(key); key1 = KEY2TERMCAP1(key); for (i = 0; modifier_keys_table[i] != NUL; i += MOD_KEYS_ENTRY_SIZE) if (key0 == modifier_keys_table[i + 3] && key1 == modifier_keys_table[i + 4] && (*modifiers & modifier_keys_table[i])) { *modifiers &= ~modifier_keys_table[i]; return TERMCAP2KEY(modifier_keys_table[i + 1], modifier_keys_table[i + 2]); } } return key; } /* * Change <xHome> to <Home>, <xUp> to <Up>, etc. */ int handle_x_keys(key) int key; { switch (key) { case K_XUP: return K_UP; case K_XDOWN: return K_DOWN; case K_XLEFT: return K_LEFT; case K_XRIGHT: return K_RIGHT; case K_XHOME: return K_HOME; case K_ZHOME: return K_HOME; case K_XEND: return K_END; case K_ZEND: return K_END; case K_XF1: return K_F1; case K_XF2: return K_F2; case K_XF3: return K_F3; case K_XF4: return K_F4; case K_S_XF1: return K_S_F1; case K_S_XF2: return K_S_F2; case K_S_XF3: return K_S_F3; case K_S_XF4: return K_S_F4; } return key; } /* * Return a string which contains the name of the given key when the given * modifiers are down. */ char_u * get_special_key_name(c, modifiers) int c; int modifiers; { static char_u string[MAX_KEY_NAME_LEN + 1]; int i, idx; int table_idx; char_u *s; string[0] = '<'; idx = 1; /* Key that stands for a normal character. */ if (IS_SPECIAL(c) && KEY2TERMCAP0(c) == KS_KEY) c = KEY2TERMCAP1(c); /* * Translate shifted special keys into unshifted keys and set modifier. * Same for CTRL and ALT modifiers. */ if (IS_SPECIAL(c)) { for (i = 0; modifier_keys_table[i] != 0; i += MOD_KEYS_ENTRY_SIZE) if ( KEY2TERMCAP0(c) == (int)modifier_keys_table[i + 1] && (int)KEY2TERMCAP1(c) == (int)modifier_keys_table[i + 2]) { modifiers |= modifier_keys_table[i]; c = TERMCAP2KEY(modifier_keys_table[i + 3], modifier_keys_table[i + 4]); break; } } /* try to find the key in the special key table */ table_idx = find_special_key_in_table(c); /* * When not a known special key, and not a printable character, try to * extract modifiers. */ if (c > 0 #ifdef FEAT_MBYTE && (*mb_char2len)(c) == 1 #endif ) { if (table_idx < 0 && (!vim_isprintc(c) || (c & 0x7f) == ' ') && (c & 0x80)) { c &= 0x7f; modifiers |= MOD_MASK_ALT; /* try again, to find the un-alted key in the special key table */ table_idx = find_special_key_in_table(c); } if (table_idx < 0 && !vim_isprintc(c) && c < ' ') { #ifdef EBCDIC c = CtrlChar(c); #else c += '@'; #endif modifiers |= MOD_MASK_CTRL; } } /* translate the modifier into a string */ for (i = 0; mod_mask_table[i].name != 'A'; i++) if ((modifiers & mod_mask_table[i].mod_mask) == mod_mask_table[i].mod_flag) { string[idx++] = mod_mask_table[i].name; string[idx++] = (char_u)'-'; } if (table_idx < 0) /* unknown special key, may output t_xx */ { if (IS_SPECIAL(c)) { string[idx++] = 't'; string[idx++] = '_'; string[idx++] = KEY2TERMCAP0(c); string[idx++] = KEY2TERMCAP1(c); } /* Not a special key, only modifiers, output directly */ else { #ifdef FEAT_MBYTE if (has_mbyte && (*mb_char2len)(c) > 1) idx += (*mb_char2bytes)(c, string + idx); else #endif if (vim_isprintc(c)) string[idx++] = c; else { s = transchar(c); while (*s) string[idx++] = *s++; } } } else /* use name of special key */ { STRCPY(string + idx, key_names_table[table_idx].name); idx = (int)STRLEN(string); } string[idx++] = '>'; string[idx] = NUL; return string; } /* * Try translating a <> name at (*srcp)[] to dst[]. * Return the number of characters added to dst[], zero for no match. * If there is a match, srcp is advanced to after the <> name. * dst[] must be big enough to hold the result (up to six characters)! */ int trans_special(srcp, dst, keycode) char_u **srcp; char_u *dst; int keycode; /* prefer key code, e.g. K_DEL instead of DEL */ { int modifiers = 0; int key; int dlen = 0; key = find_special_key(srcp, &modifiers, keycode); if (key == 0) return 0; /* Put the appropriate modifier in a string */ if (modifiers != 0) { dst[dlen++] = K_SPECIAL; dst[dlen++] = KS_MODIFIER; dst[dlen++] = modifiers; } if (IS_SPECIAL(key)) { dst[dlen++] = K_SPECIAL; dst[dlen++] = KEY2TERMCAP0(key); dst[dlen++] = KEY2TERMCAP1(key); } #ifdef FEAT_MBYTE else if (has_mbyte && !keycode) dlen += (*mb_char2bytes)(key, dst + dlen); #endif else if (keycode) dlen = (int)(add_char2buf(key, dst + dlen) - dst); else dst[dlen++] = key; return dlen; } /* * Try translating a <> name at (*srcp)[], return the key and modifiers. * srcp is advanced to after the <> name. * returns 0 if there is no match. */ int find_special_key(srcp, modp, keycode) char_u **srcp; int *modp; int keycode; /* prefer key code, e.g. K_DEL instead of DEL */ { char_u *last_dash; char_u *end_of_name; char_u *src; char_u *bp; int modifiers; int bit; int key; unsigned long n; src = *srcp; if (src[0] != '<') return 0; /* Find end of modifier list */ last_dash = src; for (bp = src + 1; *bp == '-' || vim_isIDc(*bp); bp++) { if (*bp == '-') { last_dash = bp; if (bp[1] != NUL && bp[2] == '>') ++bp; /* anything accepted, like <C-?> */ } if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3]) bp += 3; /* skip t_xx, xx may be '-' or '>' */ } if (*bp == '>') /* found matching '>' */ { end_of_name = bp + 1; if (STRNICMP(src + 1, "char-", 5) == 0 && VIM_ISDIGIT(src[6])) { /* <Char-123> or <Char-033> or <Char-0x33> */ vim_str2nr(src + 6, NULL, NULL, TRUE, TRUE, NULL, &n); *modp = 0; *srcp = end_of_name; return (int)n; } /* Which modifiers are given? */ modifiers = 0x0; for (bp = src + 1; bp < last_dash; bp++) { if (*bp != '-') { bit = name_to_mod_mask(*bp); if (bit == 0x0) break; /* Illegal modifier name */ modifiers |= bit; } } /* * Legal modifier name. */ if (bp >= last_dash) { /* * Modifier with single letter, or special key name. */ if (modifiers != 0 && last_dash[2] == '>') key = last_dash[1]; else { key = get_special_key_code(last_dash + 1); key = handle_x_keys(key); } /* * get_special_key_code() may return NUL for invalid * special key name. */ if (key != NUL) { /* * Only use a modifier when there is no special key code that * includes the modifier. */ key = simplify_key(key, &modifiers); if (!keycode) { /* don't want keycode, use single byte code */ if (key == K_BS) key = BS; else if (key == K_DEL || key == K_KDEL) key = DEL; } /* * Normal Key with modifier: Try to make a single byte code. */ if (!IS_SPECIAL(key)) key = extract_modifiers(key, &modifiers); *modp = modifiers; *srcp = end_of_name; return key; } } } return 0; } /* * Try to include modifiers in the key. * Changes "Shift-a" to 'A', "Alt-A" to 0xc0, etc. */ int extract_modifiers(key, modp) int key; int *modp; { int modifiers = *modp; #ifdef MACOS /* Command-key really special, No fancynest */ if (!(modifiers & MOD_MASK_CMD)) #endif if ((modifiers & MOD_MASK_SHIFT) && ASCII_ISALPHA(key)) { key = TOUPPER_ASC(key); modifiers &= ~MOD_MASK_SHIFT; } if ((modifiers & MOD_MASK_CTRL) #ifdef EBCDIC /* * TODO: EBCDIC Better use: * && (Ctrl_chr(key) || key == '?') * ??? */ && strchr("?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_", key) != NULL #else && ((key >= '?' && key <= '_') || ASCII_ISALPHA(key)) #endif ) { key = Ctrl_chr(key); modifiers &= ~MOD_MASK_CTRL; /* <C-@> is <Nul> */ if (key == 0) key = K_ZERO; } #ifdef MACOS /* Command-key really special, No fancynest */ if (!(modifiers & MOD_MASK_CMD)) #endif if ((modifiers & MOD_MASK_ALT) && key < 0x80 #ifdef FEAT_MBYTE && !enc_dbcs /* avoid creating a lead byte */ #endif ) { key |= 0x80; modifiers &= ~MOD_MASK_ALT; /* remove the META modifier */ } *modp = modifiers; return key; } /* * Try to find key "c" in the special key table. * Return the index when found, -1 when not found. */ int find_special_key_in_table(c) int c; { int i; for (i = 0; key_names_table[i].name != NULL; i++) if (c == key_names_table[i].key) break; if (key_names_table[i].name == NULL) i = -1; return i; } /* * Find the special key with the given name (the given string does not have to * end with NUL, the name is assumed to end before the first non-idchar). * If the name starts with "t_" the next two characters are interpreted as a * termcap name. * Return the key code, or 0 if not found. */ int get_special_key_code(name) char_u *name; { char_u *table_name; char_u string[3]; int i, j; /* * If it's <t_xx> we get the code for xx from the termcap */ if (name[0] == 't' && name[1] == '_' && name[2] != NUL && name[3] != NUL) { string[0] = name[2]; string[1] = name[3]; string[2] = NUL; if (add_termcap_entry(string, FALSE) == OK) return TERMCAP2KEY(name[2], name[3]); } else for (i = 0; key_names_table[i].name != NULL; i++) { table_name = key_names_table[i].name; for (j = 0; vim_isIDc(name[j]) && table_name[j] != NUL; j++) if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j])) break; if (!vim_isIDc(name[j]) && table_name[j] == NUL) return key_names_table[i].key; } return 0; } #ifdef FEAT_CMDL_COMPL char_u * get_key_name(i) int i; { if (i >= KEY_NAMES_TABLE_LEN) return NULL; return key_names_table[i].name; } #endif #ifdef FEAT_MOUSE /* * Look up the given mouse code to return the relevant information in the other * arguments. Return which button is down or was released. */ int get_mouse_button(code, is_click, is_drag) int code; int *is_click; int *is_drag; { int i; for (i = 0; mouse_table[i].pseudo_code; i++) if (code == mouse_table[i].pseudo_code) { *is_click = mouse_table[i].is_click; *is_drag = mouse_table[i].is_drag; return mouse_table[i].button; } return 0; /* Shouldn't get here */ } /* * Return the appropriate pseudo mouse event token (KE_LEFTMOUSE etc) based on * the given information about which mouse button is down, and whether the * mouse was clicked, dragged or released. */ int get_pseudo_mouse_code(button, is_click, is_drag) int button; /* eg MOUSE_LEFT */ int is_click; int is_drag; { int i; for (i = 0; mouse_table[i].pseudo_code; i++) if (button == mouse_table[i].button && is_click == mouse_table[i].is_click && is_drag == mouse_table[i].is_drag) { #ifdef FEAT_GUI /* Trick: a non mappable left click and release has mouse_col -1 * or added MOUSE_COLOFF. Used for 'mousefocus' in * gui_mouse_moved() */ if (mouse_col < 0 || mouse_col > MOUSE_COLOFF) { if (mouse_col < 0) mouse_col = 0; else mouse_col -= MOUSE_COLOFF; if (mouse_table[i].pseudo_code == (int)KE_LEFTMOUSE) return (int)KE_LEFTMOUSE_NM; if (mouse_table[i].pseudo_code == (int)KE_LEFTRELEASE) return (int)KE_LEFTRELEASE_NM; } #endif return mouse_table[i].pseudo_code; } return (int)KE_IGNORE; /* not recognized, ignore it */ } #endif /* FEAT_MOUSE */ /* * Return the current end-of-line type: EOL_DOS, EOL_UNIX or EOL_MAC. */ int get_fileformat(buf) buf_T *buf; { int c = *buf->b_p_ff; if (buf->b_p_bin || c == 'u') return EOL_UNIX; if (c == 'm') return EOL_MAC; return EOL_DOS; } /* * Like get_fileformat(), but override 'fileformat' with "p" for "++opt=val" * argument. */ int get_fileformat_force(buf, eap) buf_T *buf; exarg_T *eap; /* can be NULL! */ { int c; if (eap != NULL && eap->force_ff != 0) c = eap->cmd[eap->force_ff]; else { if ((eap != NULL && eap->force_bin != 0) ? (eap->force_bin == FORCE_BIN) : buf->b_p_bin) return EOL_UNIX; c = *buf->b_p_ff; } if (c == 'u') return EOL_UNIX; if (c == 'm') return EOL_MAC; return EOL_DOS; } /* * Set the current end-of-line type to EOL_DOS, EOL_UNIX or EOL_MAC. * Sets both 'textmode' and 'fileformat'. * Note: Does _not_ set global value of 'textmode'! */ void set_fileformat(t, opt_flags) int t; int opt_flags; /* OPT_LOCAL and/or OPT_GLOBAL */ { char *p = NULL; switch (t) { case EOL_DOS: p = FF_DOS; curbuf->b_p_tx = TRUE; break; case EOL_UNIX: p = FF_UNIX; curbuf->b_p_tx = FALSE; break; case EOL_MAC: p = FF_MAC; curbuf->b_p_tx = FALSE; break; } if (p != NULL) set_string_option_direct((char_u *)"ff", -1, (char_u *)p, OPT_FREE | opt_flags, 0); #ifdef FEAT_WINDOWS /* This may cause the buffer to become (un)modified. */ check_status(curbuf); redraw_tabline = TRUE; #endif #ifdef FEAT_TITLE need_maketitle = TRUE; /* set window title later */ #endif } /* * Return the default fileformat from 'fileformats'. */ int default_fileformat() { switch (*p_ffs) { case 'm': return EOL_MAC; case 'd': return EOL_DOS; } return EOL_UNIX; } /* * Call shell. Calls mch_call_shell, with 'shellxquote' added. */ int call_shell(cmd, opt) char_u *cmd; int opt; { char_u *ncmd; int retval; #ifdef FEAT_PROFILE proftime_T wait_time; #endif if (p_verbose > 3) { verbose_enter(); smsg((char_u *)_("Calling shell to execute: \"%s\""), cmd == NULL ? p_sh : cmd); out_char('\n'); cursor_on(); verbose_leave(); } #ifdef FEAT_PROFILE if (do_profiling == PROF_YES) prof_child_enter(&wait_time); #endif if (*p_sh == NUL) { EMSG(_(e_shellempty)); retval = -1; } else { #ifdef FEAT_GUI_MSWIN /* Don't hide the pointer while executing a shell command. */ gui_mch_mousehide(FALSE); #endif #ifdef FEAT_GUI ++hold_gui_events; #endif /* The external command may update a tags file, clear cached tags. */ tag_freematch(); if (cmd == NULL || *p_sxq == NUL) retval = mch_call_shell(cmd, opt); else { ncmd = alloc((unsigned)(STRLEN(cmd) + STRLEN(p_sxq) * 2 + 1)); if (ncmd != NULL) { STRCPY(ncmd, p_sxq); STRCAT(ncmd, cmd); STRCAT(ncmd, p_sxq); retval = mch_call_shell(ncmd, opt); vim_free(ncmd); } else retval = -1; } #ifdef FEAT_GUI --hold_gui_events; #endif /* * Check the window size, in case it changed while executing the * external command. */ shell_resized_check(); } #ifdef FEAT_EVAL set_vim_var_nr(VV_SHELL_ERROR, (long)retval); # ifdef FEAT_PROFILE if (do_profiling == PROF_YES) prof_child_exit(&wait_time); # endif #endif return retval; } /* * VISUAL, SELECTMODE and OP_PENDING State are never set, they are equal to * NORMAL State with a condition. This function returns the real State. */ int get_real_state() { if (State & NORMAL) { #ifdef FEAT_VISUAL if (VIsual_active) { if (VIsual_select) return SELECTMODE; return VISUAL; } else #endif if (finish_op) return OP_PENDING; } return State; } #if defined(FEAT_MBYTE) || defined(PROTO) /* * Return TRUE if "p" points to just after a path separator. * Take care of multi-byte characters. * "b" must point to the start of the file name */ int after_pathsep(b, p) char_u *b; char_u *p; { return vim_ispathsep(p[-1]) && (!has_mbyte || (*mb_head_off)(b, p - 1) == 0); } #endif /* * Return TRUE if file names "f1" and "f2" are in the same directory. * "f1" may be a short name, "f2" must be a full path. */ int same_directory(f1, f2) char_u *f1; char_u *f2; { char_u ffname[MAXPATHL]; char_u *t1; char_u *t2; /* safety check */ if (f1 == NULL || f2 == NULL) return FALSE; (void)vim_FullName(f1, ffname, MAXPATHL, FALSE); t1 = gettail_sep(ffname); t2 = gettail_sep(f2); return (t1 - ffname == t2 - f2 && pathcmp((char *)ffname, (char *)f2, (int)(t1 - ffname)) == 0); } #if defined(FEAT_SESSION) || defined(MSWIN) || defined(FEAT_GUI_MAC) \ || ((defined(FEAT_GUI_GTK)) \ && ( defined(FEAT_WINDOWS) || defined(FEAT_DND)) ) \ || defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ || defined(PROTO) /* * Change to a file's directory. * Caller must call shorten_fnames()! * Return OK or FAIL. */ int vim_chdirfile(fname) char_u *fname; { char_u dir[MAXPATHL]; vim_strncpy(dir, fname, MAXPATHL - 1); *gettail_sep(dir) = NUL; return mch_chdir((char *)dir) == 0 ? OK : FAIL; } #endif #if defined(STAT_IGNORES_SLASH) || defined(PROTO) /* * Check if "name" ends in a slash and is not a directory. * Used for systems where stat() ignores a trailing slash on a file name. * The Vim code assumes a trailing slash is only ignored for a directory. */ int illegal_slash(name) char *name; { if (name[0] == NUL) return FALSE; /* no file name is not illegal */ if (name[strlen(name) - 1] != '/') return FALSE; /* no trailing slash */ if (mch_isdir((char_u *)name)) return FALSE; /* trailing slash for a directory */ return TRUE; } #endif #if defined(CURSOR_SHAPE) || defined(PROTO) /* * Handling of cursor and mouse pointer shapes in various modes. */ cursorentry_T shape_table[SHAPE_IDX_COUNT] = { /* The values will be filled in from the 'guicursor' and 'mouseshape' * defaults when Vim starts. * Adjust the SHAPE_IDX_ defines when making changes! */ {0, 0, 0, 700L, 400L, 250L, 0, 0, "n", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "v", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "i", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "r", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "c", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "ci", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "cr", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "o", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 700L, 400L, 250L, 0, 0, "ve", SHAPE_CURSOR+SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "e", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "s", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "sd", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "vs", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "vd", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "m", SHAPE_MOUSE}, {0, 0, 0, 0L, 0L, 0L, 0, 0, "ml", SHAPE_MOUSE}, {0, 0, 0, 100L, 100L, 100L, 0, 0, "sm", SHAPE_CURSOR}, }; #ifdef FEAT_MOUSESHAPE /* * Table with names for mouse shapes. Keep in sync with all the tables for * mch_set_mouse_shape()!. */ static char * mshape_names[] = { "arrow", /* default, must be the first one */ "blank", /* hidden */ "beam", "updown", "udsizing", "leftright", "lrsizing", "busy", "no", "crosshair", "hand1", "hand2", "pencil", "question", "rightup-arrow", "up-arrow", NULL }; #endif /* * Parse the 'guicursor' option ("what" is SHAPE_CURSOR) or 'mouseshape' * ("what" is SHAPE_MOUSE). * Returns error message for an illegal option, NULL otherwise. */ char_u * parse_shape_opt(what) int what; { char_u *modep; char_u *colonp; char_u *commap; char_u *slashp; char_u *p, *endp; int idx = 0; /* init for GCC */ int all_idx; int len; int i; long n; int found_ve = FALSE; /* found "ve" flag */ int round; /* * First round: check for errors; second round: do it for real. */ for (round = 1; round <= 2; ++round) { /* * Repeat for all comma separated parts. */ #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) modep = p_mouseshape; else #endif modep = p_guicursor; while (*modep != NUL) { colonp = vim_strchr(modep, ':'); if (colonp == NULL) return (char_u *)N_("E545: Missing colon"); if (colonp == modep) return (char_u *)N_("E546: Illegal mode"); commap = vim_strchr(modep, ','); /* * Repeat for all mode's before the colon. * For the 'a' mode, we loop to handle all the modes. */ all_idx = -1; while (modep < colonp || all_idx >= 0) { if (all_idx < 0) { /* Find the mode. */ if (modep[1] == '-' || modep[1] == ':') len = 1; else len = 2; if (len == 1 && TOLOWER_ASC(modep[0]) == 'a') all_idx = SHAPE_IDX_COUNT - 1; else { for (idx = 0; idx < SHAPE_IDX_COUNT; ++idx) if (STRNICMP(modep, shape_table[idx].name, len) == 0) break; if (idx == SHAPE_IDX_COUNT || (shape_table[idx].used_for & what) == 0) return (char_u *)N_("E546: Illegal mode"); if (len == 2 && modep[0] == 'v' && modep[1] == 'e') found_ve = TRUE; } modep += len + 1; } if (all_idx >= 0) idx = all_idx--; else if (round == 2) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { /* Set the default, for the missing parts */ shape_table[idx].mshape = 0; } else #endif { /* Set the defaults, for the missing parts */ shape_table[idx].shape = SHAPE_BLOCK; shape_table[idx].blinkwait = 700L; shape_table[idx].blinkon = 400L; shape_table[idx].blinkoff = 250L; } } /* Parse the part after the colon */ for (p = colonp + 1; *p && *p != ','; ) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { for (i = 0; ; ++i) { if (mshape_names[i] == NULL) { if (!VIM_ISDIGIT(*p)) return (char_u *)N_("E547: Illegal mouseshape"); if (round == 2) shape_table[idx].mshape = getdigits(&p) + MSHAPE_NUMBERED; else (void)getdigits(&p); break; } len = (int)STRLEN(mshape_names[i]); if (STRNICMP(p, mshape_names[i], len) == 0) { if (round == 2) shape_table[idx].mshape = i; p += len; break; } } } else /* if (what == SHAPE_MOUSE) */ #endif { /* * First handle the ones with a number argument. */ i = *p; len = 0; if (STRNICMP(p, "ver", 3) == 0) len = 3; else if (STRNICMP(p, "hor", 3) == 0) len = 3; else if (STRNICMP(p, "blinkwait", 9) == 0) len = 9; else if (STRNICMP(p, "blinkon", 7) == 0) len = 7; else if (STRNICMP(p, "blinkoff", 8) == 0) len = 8; if (len != 0) { p += len; if (!VIM_ISDIGIT(*p)) return (char_u *)N_("E548: digit expected"); n = getdigits(&p); if (len == 3) /* "ver" or "hor" */ { if (n == 0) return (char_u *)N_("E549: Illegal percentage"); if (round == 2) { if (TOLOWER_ASC(i) == 'v') shape_table[idx].shape = SHAPE_VER; else shape_table[idx].shape = SHAPE_HOR; shape_table[idx].percentage = n; } } else if (round == 2) { if (len == 9) shape_table[idx].blinkwait = n; else if (len == 7) shape_table[idx].blinkon = n; else shape_table[idx].blinkoff = n; } } else if (STRNICMP(p, "block", 5) == 0) { if (round == 2) shape_table[idx].shape = SHAPE_BLOCK; p += 5; } else /* must be a highlight group name then */ { endp = vim_strchr(p, '-'); if (commap == NULL) /* last part */ { if (endp == NULL) endp = p + STRLEN(p); /* find end of part */ } else if (endp > commap || endp == NULL) endp = commap; slashp = vim_strchr(p, '/'); if (slashp != NULL && slashp < endp) { /* "group/langmap_group" */ i = syn_check_group(p, (int)(slashp - p)); p = slashp + 1; } if (round == 2) { shape_table[idx].id = syn_check_group(p, (int)(endp - p)); shape_table[idx].id_lm = shape_table[idx].id; if (slashp != NULL && slashp < endp) shape_table[idx].id = i; } p = endp; } } /* if (what != SHAPE_MOUSE) */ if (*p == '-') ++p; } } modep = p; if (*modep == ',') ++modep; } } /* If the 's' flag is not given, use the 'v' cursor for 's' */ if (!found_ve) { #ifdef FEAT_MOUSESHAPE if (what == SHAPE_MOUSE) { shape_table[SHAPE_IDX_VE].mshape = shape_table[SHAPE_IDX_V].mshape; } else #endif { shape_table[SHAPE_IDX_VE].shape = shape_table[SHAPE_IDX_V].shape; shape_table[SHAPE_IDX_VE].percentage = shape_table[SHAPE_IDX_V].percentage; shape_table[SHAPE_IDX_VE].blinkwait = shape_table[SHAPE_IDX_V].blinkwait; shape_table[SHAPE_IDX_VE].blinkon = shape_table[SHAPE_IDX_V].blinkon; shape_table[SHAPE_IDX_VE].blinkoff = shape_table[SHAPE_IDX_V].blinkoff; shape_table[SHAPE_IDX_VE].id = shape_table[SHAPE_IDX_V].id; shape_table[SHAPE_IDX_VE].id_lm = shape_table[SHAPE_IDX_V].id_lm; } } return NULL; } # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ || defined(FEAT_MOUSESHAPE) || defined(PROTO) /* * Return the index into shape_table[] for the current mode. * When "mouse" is TRUE, consider indexes valid for the mouse pointer. */ int get_shape_idx(mouse) int mouse; { #ifdef FEAT_MOUSESHAPE if (mouse && (State == HITRETURN || State == ASKMORE)) { # ifdef FEAT_GUI int x, y; gui_mch_getmouse(&x, &y); if (Y_2_ROW(y) == Rows - 1) return SHAPE_IDX_MOREL; # endif return SHAPE_IDX_MORE; } if (mouse && drag_status_line) return SHAPE_IDX_SDRAG; # ifdef FEAT_VERTSPLIT if (mouse && drag_sep_line) return SHAPE_IDX_VDRAG; # endif #endif if (!mouse && State == SHOWMATCH) return SHAPE_IDX_SM; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) return SHAPE_IDX_R; #endif if (State & REPLACE_FLAG) return SHAPE_IDX_R; if (State & INSERT) return SHAPE_IDX_I; if (State & CMDLINE) { if (cmdline_at_end()) return SHAPE_IDX_C; if (cmdline_overstrike()) return SHAPE_IDX_CR; return SHAPE_IDX_CI; } if (finish_op) return SHAPE_IDX_O; #ifdef FEAT_VISUAL if (VIsual_active) { if (*p_sel == 'e') return SHAPE_IDX_VE; else return SHAPE_IDX_V; } #endif return SHAPE_IDX_N; } #endif # if defined(FEAT_MOUSESHAPE) || defined(PROTO) static int old_mouse_shape = 0; /* * Set the mouse shape: * If "shape" is -1, use shape depending on the current mode, * depending on the current state. * If "shape" is -2, only update the shape when it's CLINE or STATUS (used * when the mouse moves off the status or command line). */ void update_mouseshape(shape_idx) int shape_idx; { int new_mouse_shape; /* Only works in GUI mode. */ if (!gui.in_use || gui.starting) return; /* Postpone the updating when more is to come. Speeds up executing of * mappings. */ if (shape_idx == -1 && char_avail()) { postponed_mouseshape = TRUE; return; } /* When ignoring the mouse don't change shape on the statusline. */ if (*p_mouse == NUL && (shape_idx == SHAPE_IDX_CLINE || shape_idx == SHAPE_IDX_STATUS || shape_idx == SHAPE_IDX_VSEP)) shape_idx = -2; if (shape_idx == -2 && old_mouse_shape != shape_table[SHAPE_IDX_CLINE].mshape && old_mouse_shape != shape_table[SHAPE_IDX_STATUS].mshape && old_mouse_shape != shape_table[SHAPE_IDX_VSEP].mshape) return; if (shape_idx < 0) new_mouse_shape = shape_table[get_shape_idx(TRUE)].mshape; else new_mouse_shape = shape_table[shape_idx].mshape; if (new_mouse_shape != old_mouse_shape) { mch_set_mouse_shape(new_mouse_shape); old_mouse_shape = new_mouse_shape; } postponed_mouseshape = FALSE; } # endif #endif /* CURSOR_SHAPE */ #ifdef FEAT_CRYPT /* * Optional encryption support. * Mohsin Ahmed, mosh@sasi.com, 98-09-24 * Based on zip/crypt sources. * * NOTE FOR USA: Since 2000 exporting this code from the USA is allowed to * most countries. There are a few exceptions, but that still should not be a * problem since this code was originally created in Europe and India. */ /* from zip.h */ typedef unsigned short ush; /* unsigned 16-bit value */ typedef unsigned long ulg; /* unsigned 32-bit value */ static void make_crc_tab __ARGS((void)); static ulg crc_32_tab[256]; /* * Fill the CRC table. */ static void make_crc_tab() { ulg s,t,v; static int done = FALSE; if (done) return; for (t = 0; t < 256; t++) { v = t; for (s = 0; s < 8; s++) v = (v >> 1) ^ ((v & 1) * (ulg)0xedb88320L); crc_32_tab[t] = v; } done = TRUE; } #define CRC32(c, b) (crc_32_tab[((int)(c) ^ (b)) & 0xff] ^ ((c) >> 8)) static ulg keys[3]; /* keys defining the pseudo-random sequence */ /* * Return the next byte in the pseudo-random sequence */ int decrypt_byte() { ush temp; temp = (ush)keys[2] | 2; return (int)(((unsigned)(temp * (temp ^ 1)) >> 8) & 0xff); } /* * Update the encryption keys with the next byte of plain text */ int update_keys(c) int c; /* byte of plain text */ { keys[0] = CRC32(keys[0], c); keys[1] += keys[0] & 0xff; keys[1] = keys[1] * 134775813L + 1; keys[2] = CRC32(keys[2], (int)(keys[1] >> 24)); return c; } /* * Initialize the encryption keys and the random header according to * the given password. * If "passwd" is NULL or empty, don't do anything. */ void crypt_init_keys(passwd) char_u *passwd; /* password string with which to modify keys */ { if (passwd != NULL && *passwd != NUL) { make_crc_tab(); keys[0] = 305419896L; keys[1] = 591751049L; keys[2] = 878082192L; while (*passwd != '\0') update_keys((int)*passwd++); } } /* * Ask the user for a crypt key. * When "store" is TRUE, the new key in stored in the 'key' option, and the * 'key' option value is returned: Don't free it. * When "store" is FALSE, the typed key is returned in allocated memory. * Returns NULL on failure. */ char_u * get_crypt_key(store, twice) int store; int twice; /* Ask for the key twice. */ { char_u *p1, *p2 = NULL; int round; for (round = 0; ; ++round) { cmdline_star = TRUE; cmdline_row = msg_row; p1 = getcmdline_prompt(NUL, round == 0 ? (char_u *)_("Enter encryption key: ") : (char_u *)_("Enter same key again: "), 0, EXPAND_NOTHING, NULL); cmdline_star = FALSE; if (p1 == NULL) break; if (round == twice) { if (p2 != NULL && STRCMP(p1, p2) != 0) { MSG(_("Keys don't match!")); vim_free(p1); vim_free(p2); p2 = NULL; round = -1; /* do it again */ continue; } if (store) { set_option_value((char_u *)"key", 0L, p1, OPT_LOCAL); vim_free(p1); p1 = curbuf->b_p_key; } break; } p2 = p1; } /* since the user typed this, no need to wait for return */ need_wait_return = FALSE; msg_didout = FALSE; vim_free(p2); return p1; } #endif /* FEAT_CRYPT */ /* TODO: make some #ifdef for this */ /*--------[ file searching ]-------------------------------------------------*/ /* * File searching functions for 'path', 'tags' and 'cdpath' options. * External visible functions: * vim_findfile_init() creates/initialises the search context * vim_findfile_free_visited() free list of visited files/dirs of search * context * vim_findfile() find a file in the search context * vim_findfile_cleanup() cleanup/free search context created by * vim_findfile_init() * * All static functions and variables start with 'ff_' * * In general it works like this: * First you create yourself a search context by calling vim_findfile_init(). * It is possible to give a search context from a previous call to * vim_findfile_init(), so it can be reused. After this you call vim_findfile() * until you are satisfied with the result or it returns NULL. On every call it * returns the next file which matches the conditions given to * vim_findfile_init(). If it doesn't find a next file it returns NULL. * * It is possible to call vim_findfile_init() again to reinitialise your search * with some new parameters. Don't forget to pass your old search context to * it, so it can reuse it and especially reuse the list of already visited * directories. If you want to delete the list of already visited directories * simply call vim_findfile_free_visited(). * * When you are done call vim_findfile_cleanup() to free the search context. * * The function vim_findfile_init() has a long comment, which describes the * needed parameters. * * * * ATTENTION: * ========== * Also we use an allocated search context here, this functions are NOT * thread-safe!!!!! * * To minimize parameter passing (or because I'm to lazy), only the * external visible functions get a search context as a parameter. This is * then assigned to a static global, which is used throughout the local * functions. */ /* * type for the directory search stack */ typedef struct ff_stack { struct ff_stack *ffs_prev; /* the fix part (no wildcards) and the part containing the wildcards * of the search path */ char_u *ffs_fix_path; #ifdef FEAT_PATH_EXTRA char_u *ffs_wc_path; #endif /* files/dirs found in the above directory, matched by the first wildcard * of wc_part */ char_u **ffs_filearray; int ffs_filearray_size; char_u ffs_filearray_cur; /* needed for partly handled dirs */ /* to store status of partly handled directories * 0: we work the on this directory for the first time * 1: this directory was partly searched in an earlier step */ int ffs_stage; /* How deep are we in the directory tree? * Counts backward from value of level parameter to vim_findfile_init */ int ffs_level; /* Did we already expand '**' to an empty string? */ int ffs_star_star_empty; } ff_stack_T; /* * type for already visited directories or files. */ typedef struct ff_visited { struct ff_visited *ffv_next; #ifdef FEAT_PATH_EXTRA /* Visited directories are different if the wildcard string are * different. So we have to save it. */ char_u *ffv_wc_path; #endif /* for unix use inode etc for comparison (needed because of links), else * use filename. */ #ifdef UNIX int ffv_dev; /* device number (-1 if not set) */ ino_t ffv_ino; /* inode number */ #endif /* The memory for this struct is allocated according to the length of * ffv_fname. */ char_u ffv_fname[1]; /* actually longer */ } ff_visited_T; /* * We might have to manage several visited lists during a search. * This is especially needed for the tags option. If tags is set to: * "./++/tags,./++/TAGS,++/tags" (replace + with *) * So we have to do 3 searches: * 1) search from the current files directory downward for the file "tags" * 2) search from the current files directory downward for the file "TAGS" * 3) search from Vims current directory downwards for the file "tags" * As you can see, the first and the third search are for the same file, so for * the third search we can use the visited list of the first search. For the * second search we must start from a empty visited list. * The struct ff_visited_list_hdr is used to manage a linked list of already * visited lists. */ typedef struct ff_visited_list_hdr { struct ff_visited_list_hdr *ffvl_next; /* the filename the attached visited list is for */ char_u *ffvl_filename; ff_visited_T *ffvl_visited_list; } ff_visited_list_hdr_T; /* * '**' can be expanded to several directory levels. * Set the default maximum depth. */ #define FF_MAX_STAR_STAR_EXPAND ((char_u)30) /* * The search context: * ffsc_stack_ptr: the stack for the dirs to search * ffsc_visited_list: the currently active visited list * ffsc_dir_visited_list: the currently active visited list for search dirs * ffsc_visited_lists_list: the list of all visited lists * ffsc_dir_visited_lists_list: the list of all visited lists for search dirs * ffsc_file_to_search: the file to search for * ffsc_start_dir: the starting directory, if search path was relative * ffsc_fix_path: the fix part of the given path (without wildcards) * Needed for upward search. * ffsc_wc_path: the part of the given path containing wildcards * ffsc_level: how many levels of dirs to search downwards * ffsc_stopdirs_v: array of stop directories for upward search * ffsc_need_dir: TRUE if we search for a directory */ typedef struct ff_search_ctx_T { ff_stack_T *ffsc_stack_ptr; ff_visited_list_hdr_T *ffsc_visited_list; ff_visited_list_hdr_T *ffsc_dir_visited_list; ff_visited_list_hdr_T *ffsc_visited_lists_list; ff_visited_list_hdr_T *ffsc_dir_visited_lists_list; char_u *ffsc_file_to_search; char_u *ffsc_start_dir; char_u *ffsc_fix_path; #ifdef FEAT_PATH_EXTRA char_u *ffsc_wc_path; int ffsc_level; char_u **ffsc_stopdirs_v; #endif int ffsc_need_dir; } ff_search_ctx_T; static ff_search_ctx_T *ff_search_ctx = NULL; /* locally needed functions */ #ifdef FEAT_PATH_EXTRA static int ff_check_visited __ARGS((ff_visited_T **, char_u *, char_u *)); #else static int ff_check_visited __ARGS((ff_visited_T **, char_u *)); #endif static void vim_findfile_free_visited_list __ARGS((ff_visited_list_hdr_T **list_headp)); static void ff_free_visited_list __ARGS((ff_visited_T *vl)); static ff_visited_list_hdr_T* ff_get_visited_list __ARGS((char_u *, ff_visited_list_hdr_T **list_headp)); #ifdef FEAT_PATH_EXTRA static int ff_wc_equal __ARGS((char_u *s1, char_u *s2)); #endif static void ff_push __ARGS((ff_stack_T *)); static ff_stack_T * ff_pop __ARGS((void)); static void ff_clear __ARGS((void)); static void ff_free_stack_element __ARGS((ff_stack_T *)); #ifdef FEAT_PATH_EXTRA static ff_stack_T *ff_create_stack_element __ARGS((char_u *, char_u *, int, int)); #else static ff_stack_T *ff_create_stack_element __ARGS((char_u *, int, int)); #endif #ifdef FEAT_PATH_EXTRA static int ff_path_in_stoplist __ARGS((char_u *, int, char_u **)); #endif #if 0 /* * if someone likes findfirst/findnext, here are the functions * NOT TESTED!! */ static void *ff_fn_search_context = NULL; char_u * vim_findfirst(path, filename, level) char_u *path; char_u *filename; int level; { ff_fn_search_context = vim_findfile_init(path, filename, NULL, level, TRUE, FALSE, ff_fn_search_context, rel_fname); if (NULL == ff_fn_search_context) return NULL; else return vim_findnext() } char_u * vim_findnext() { char_u *ret = vim_findfile(ff_fn_search_context); if (NULL == ret) { vim_findfile_cleanup(ff_fn_search_context); ff_fn_search_context = NULL; } return ret; } #endif /* * Initialization routine for vim_findfile. * * Returns the newly allocated search context or NULL if an error occured. * * Don't forget to clean up by calling vim_findfile_cleanup() if you are done * with the search context. * * Find the file 'filename' in the directory 'path'. * The parameter 'path' may contain wildcards. If so only search 'level' * directories deep. The parameter 'level' is the absolute maximum and is * not related to restricts given to the '**' wildcard. If 'level' is 100 * and you use '**200' vim_findfile() will stop after 100 levels. * * If 'stopdirs' is not NULL and nothing is found downward, the search is * restarted on the next higher directory level. This is repeated until the * start-directory of a search is contained in 'stopdirs'. 'stopdirs' has the * format ";*<dirname>*\(;<dirname>\)*;\=$". * * If the 'path' is relative, the starting dir for the search is either VIM's * current dir or if the path starts with "./" the current files dir. * If the 'path' is absolut, the starting dir is that part of the path before * the first wildcard. * * Upward search is only done on the starting dir. * * If 'free_visited' is TRUE the list of already visited files/directories is * cleared. Set this to FALSE if you just want to search from another * directory, but want to be sure that no directory from a previous search is * searched again. This is useful if you search for a file at different places. * The list of visited files/dirs can also be cleared with the function * vim_findfile_free_visited(). * * Set the parameter 'need_dir' to TRUE if you want to search for a directory * instead of a file. * * A search context returned by a previous call to vim_findfile_init() can be * passed in the parameter 'search_ctx'. This context is than reused and * reinitialized with the new parameters. The list of already viseted * directories from this context is only deleted if the parameter * 'free_visited' is true. Be aware that the passed search_context is freed if * the reinitialization fails. * * If you don't have a search context from a previous call 'search_ctx' must be * NULL. * * This function silently ignores a few errors, vim_findfile() will have * limited functionality then. */ /*ARGSUSED*/ void * vim_findfile_init(path, filename, stopdirs, level, free_visited, need_dir, search_ctx, tagfile, rel_fname) char_u *path; char_u *filename; char_u *stopdirs; int level; int free_visited; int need_dir; void *search_ctx; int tagfile; char_u *rel_fname; /* file name to use for "." */ { #ifdef FEAT_PATH_EXTRA char_u *wc_part; #endif ff_stack_T *sptr; /* If a search context is given by the caller, reuse it, else allocate a * new one. */ if (search_ctx != NULL) ff_search_ctx = search_ctx; else { ff_search_ctx = (ff_search_ctx_T*)alloc( (unsigned)sizeof(ff_search_ctx_T)); if (ff_search_ctx == NULL) goto error_return; memset(ff_search_ctx, 0, sizeof(ff_search_ctx_T)); } /* clear the search context, but NOT the visited lists */ ff_clear(); /* clear visited list if wanted */ if (free_visited == TRUE) vim_findfile_free_visited(ff_search_ctx); else { /* Reuse old visited lists. Get the visited list for the given * filename. If no list for the current filename exists, creates a new * one. */ ff_search_ctx->ffsc_visited_list = ff_get_visited_list(filename, &ff_search_ctx->ffsc_visited_lists_list); if (ff_search_ctx->ffsc_visited_list == NULL) goto error_return; ff_search_ctx->ffsc_dir_visited_list = ff_get_visited_list(filename, &ff_search_ctx->ffsc_dir_visited_lists_list); if (ff_search_ctx->ffsc_dir_visited_list == NULL) goto error_return; } if (ff_expand_buffer == NULL) { ff_expand_buffer = (char_u*)alloc(MAXPATHL); if (ff_expand_buffer == NULL) goto error_return; } /* Store information on starting dir now if path is relative. * If path is absolute, we do that later. */ if (path[0] == '.' && (vim_ispathsep(path[1]) || path[1] == NUL) && (!tagfile || vim_strchr(p_cpo, CPO_DOTTAG) == NULL) && rel_fname != NULL) { int len = (int)(gettail(rel_fname) - rel_fname); if (!vim_isAbsName(rel_fname) && len + 1 < MAXPATHL) { /* Make the start dir an absolute path name. */ vim_strncpy(ff_expand_buffer, rel_fname, len); ff_search_ctx->ffsc_start_dir = FullName_save(ff_expand_buffer, FALSE); } else ff_search_ctx->ffsc_start_dir = vim_strnsave(rel_fname, len); if (ff_search_ctx->ffsc_start_dir == NULL) goto error_return; if (*++path != NUL) ++path; } else if (*path == NUL || !vim_isAbsName(path)) { #ifdef BACKSLASH_IN_FILENAME /* "c:dir" needs "c:" to be expanded, otherwise use current dir */ if (*path != NUL && path[1] == ':') { char_u drive[3]; drive[0] = path[0]; drive[1] = ':'; drive[2] = NUL; if (vim_FullName(drive, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) goto error_return; path += 2; } else #endif if (mch_dirname(ff_expand_buffer, MAXPATHL) == FAIL) goto error_return; ff_search_ctx->ffsc_start_dir = vim_strsave(ff_expand_buffer); if (ff_search_ctx->ffsc_start_dir == NULL) goto error_return; #ifdef BACKSLASH_IN_FILENAME /* A path that starts with "/dir" is relative to the drive, not to the * directory (but not for "//machine/dir"). Only use the drive name. */ if ((*path == '/' || *path == '\\') && path[1] != path[0] && ff_search_ctx->ffsc_start_dir[1] == ':') ff_search_ctx->ffsc_start_dir[2] = NUL; #endif } #ifdef FEAT_PATH_EXTRA /* * If stopdirs are given, split them into an array of pointers. * If this fails (mem allocation), there is no upward search at all or a * stop directory is not recognized -> continue silently. * If stopdirs just contains a ";" or is empty, * ff_search_ctx->ffsc_stopdirs_v will only contain a NULL pointer. This * is handled as unlimited upward search. See function * ff_path_in_stoplist() for details. */ if (stopdirs != NULL) { char_u *walker = stopdirs; int dircount; while (*walker == ';') walker++; dircount = 1; ff_search_ctx->ffsc_stopdirs_v = (char_u **)alloc((unsigned)sizeof(char_u *)); if (ff_search_ctx->ffsc_stopdirs_v != NULL) { do { char_u *helper; void *ptr; helper = walker; ptr = vim_realloc(ff_search_ctx->ffsc_stopdirs_v, (dircount + 1) * sizeof(char_u *)); if (ptr) ff_search_ctx->ffsc_stopdirs_v = ptr; else /* ignore, keep what we have and continue */ break; walker = vim_strchr(walker, ';'); if (walker) { ff_search_ctx->ffsc_stopdirs_v[dircount-1] = vim_strnsave(helper, (int)(walker - helper)); walker++; } else /* this might be "", which means ascent till top * of directory tree. */ ff_search_ctx->ffsc_stopdirs_v[dircount-1] = vim_strsave(helper); dircount++; } while (walker != NULL); ff_search_ctx->ffsc_stopdirs_v[dircount-1] = NULL; } } #endif #ifdef FEAT_PATH_EXTRA ff_search_ctx->ffsc_level = level; /* split into: * -fix path * -wildcard_stuff (might be NULL) */ wc_part = vim_strchr(path, '*'); if (wc_part != NULL) { int llevel; int len; char *errpt; /* save the fix part of the path */ ff_search_ctx->ffsc_fix_path = vim_strnsave(path, (int)(wc_part - path)); /* * copy wc_path and add restricts to the '**' wildcard. * The octet after a '**' is used as a (binary) counter. * So '**3' is transposed to '**^C' ('^C' is ASCII value 3) * or '**76' is transposed to '**N'( 'N' is ASCII value 76). * For EBCDIC you get different character values. * If no restrict is given after '**' the default is used. * Due to this technic the path looks awful if you print it as a * string. */ len = 0; while (*wc_part != NUL) { if (STRNCMP(wc_part, "**", 2) == 0) { ff_expand_buffer[len++] = *wc_part++; ff_expand_buffer[len++] = *wc_part++; llevel = strtol((char *)wc_part, &errpt, 10); if ((char_u *)errpt != wc_part && llevel > 0 && llevel < 255) ff_expand_buffer[len++] = llevel; else if ((char_u *)errpt != wc_part && llevel == 0) /* restrict is 0 -> remove already added '**' */ len -= 2; else ff_expand_buffer[len++] = FF_MAX_STAR_STAR_EXPAND; wc_part = (char_u *)errpt; if (*wc_part != NUL && !vim_ispathsep(*wc_part)) { EMSG2(_("E343: Invalid path: '**[number]' must be at the end of the path or be followed by '%s'."), PATHSEPSTR); goto error_return; } } else ff_expand_buffer[len++] = *wc_part++; } ff_expand_buffer[len] = NUL; ff_search_ctx->ffsc_wc_path = vim_strsave(ff_expand_buffer); if (ff_search_ctx->ffsc_wc_path == NULL) goto error_return; } else #endif ff_search_ctx->ffsc_fix_path = vim_strsave(path); if (ff_search_ctx->ffsc_start_dir == NULL) { /* store the fix part as startdir. * This is needed if the parameter path is fully qualified. */ ff_search_ctx->ffsc_start_dir = vim_strsave(ff_search_ctx->ffsc_fix_path); if (ff_search_ctx->ffsc_start_dir) ff_search_ctx->ffsc_fix_path[0] = NUL; } /* create an absolute path */ STRCPY(ff_expand_buffer, ff_search_ctx->ffsc_start_dir); add_pathsep(ff_expand_buffer); STRCAT(ff_expand_buffer, ff_search_ctx->ffsc_fix_path); add_pathsep(ff_expand_buffer); sptr = ff_create_stack_element(ff_expand_buffer, #ifdef FEAT_PATH_EXTRA ff_search_ctx->ffsc_wc_path, #endif level, 0); if (sptr == NULL) goto error_return; ff_push(sptr); ff_search_ctx->ffsc_file_to_search = vim_strsave(filename); if (ff_search_ctx->ffsc_file_to_search == NULL) goto error_return; return ff_search_ctx; error_return: /* * We clear the search context now! * Even when the caller gave us a (perhaps valid) context we free it here, * as we might have already destroyed it. */ vim_findfile_cleanup(ff_search_ctx); return NULL; } #if defined(FEAT_PATH_EXTRA) || defined(PROTO) /* * Get the stopdir string. Check that ';' is not escaped. */ char_u * vim_findfile_stopdir(buf) char_u *buf; { char_u *r_ptr = buf; while (*r_ptr != NUL && *r_ptr != ';') { if (r_ptr[0] == '\\' && r_ptr[1] == ';') { /* overwrite the escape char, * use STRLEN(r_ptr) to move the trailing '\0' */ mch_memmove(r_ptr, r_ptr + 1, STRLEN(r_ptr)); r_ptr++; } r_ptr++; } if (*r_ptr == ';') { *r_ptr = 0; r_ptr++; } else if (*r_ptr == NUL) r_ptr = NULL; return r_ptr; } #endif /* Clean up the given search context. Can handle a NULL pointer */ void vim_findfile_cleanup(ctx) void *ctx; { if (ctx == NULL) return; ff_search_ctx = ctx; vim_findfile_free_visited(ctx); ff_clear(); vim_free(ctx); ff_search_ctx = NULL; } /* * Find a file in a search context. * The search context was created with vim_findfile_init() above. * Return a pointer to an allocated file name or NULL if nothing found. * To get all matching files call this function until you get NULL. * * If the passed search_context is NULL, NULL is returned. * * The search algorithm is depth first. To change this replace the * stack with a list (don't forget to leave partly searched directories on the * top of the list). */ char_u * vim_findfile(search_ctx) void *search_ctx; { char_u *file_path; #ifdef FEAT_PATH_EXTRA char_u *rest_of_wildcards; char_u *path_end = NULL; #endif ff_stack_T *ctx; #if defined(FEAT_SEARCHPATH) || defined(FEAT_PATH_EXTRA) int len; #endif int i; char_u *p; #ifdef FEAT_SEARCHPATH char_u *suf; #endif if (search_ctx == NULL) return NULL; ff_search_ctx = (ff_search_ctx_T*)search_ctx; /* * filepath is used as buffer for various actions and as the storage to * return a found filename. */ if ((file_path = alloc((int)MAXPATHL)) == NULL) return NULL; #ifdef FEAT_PATH_EXTRA /* store the end of the start dir -- needed for upward search */ if (ff_search_ctx->ffsc_start_dir != NULL) path_end = &ff_search_ctx->ffsc_start_dir[STRLEN(ff_search_ctx->ffsc_start_dir)]; #endif #ifdef FEAT_PATH_EXTRA /* upward search loop */ for (;;) { #endif /* downward search loop */ for (;;) { /* check if user user wants to stop the search*/ ui_breakcheck(); if (got_int) break; /* get directory to work on from stack */ ctx = ff_pop(); if (ctx == NULL) break; /* * TODO: decide if we leave this test in * * GOOD: don't search a directory(-tree) twice. * BAD: - check linked list for every new directory entered. * - check for double files also done below * * Here we check if we already searched this directory. * We already searched a directory if: * 1) The directory is the same. * 2) We would use the same wildcard string. * * Good if you have links on same directory via several ways * or you have selfreferences in directories (e.g. SuSE Linux 6.3: * /etc/rc.d/init.d is linked to /etc/rc.d -> endless loop) * * This check is only needed for directories we work on for the * first time (hence ctx->ff_filearray == NULL) */ if (ctx->ffs_filearray == NULL && ff_check_visited(&ff_search_ctx->ffsc_dir_visited_list ->ffvl_visited_list, ctx->ffs_fix_path #ifdef FEAT_PATH_EXTRA , ctx->ffs_wc_path #endif ) == FAIL) { #ifdef FF_VERBOSE if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"Already Searched: %s (%s)", ctx->ffs_fix_path, ctx->ffs_wc_path); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } #endif ff_free_stack_element(ctx); continue; } #ifdef FF_VERBOSE else if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"Searching: %s (%s)", ctx->ffs_fix_path, ctx->ffs_wc_path); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } #endif /* check depth */ if (ctx->ffs_level <= 0) { ff_free_stack_element(ctx); continue; } file_path[0] = NUL; /* * If no filearray till now expand wildcards * The function expand_wildcards() can handle an array of paths * and all possible expands are returned in one array. We use this * to handle the expansion of '**' into an empty string. */ if (ctx->ffs_filearray == NULL) { char_u *dirptrs[2]; /* we use filepath to build the path expand_wildcards() should * expand. */ dirptrs[0] = file_path; dirptrs[1] = NULL; /* if we have a start dir copy it in */ if (!vim_isAbsName(ctx->ffs_fix_path) && ff_search_ctx->ffsc_start_dir) { STRCPY(file_path, ff_search_ctx->ffsc_start_dir); add_pathsep(file_path); } /* append the fix part of the search path */ STRCAT(file_path, ctx->ffs_fix_path); add_pathsep(file_path); #ifdef FEAT_PATH_EXTRA rest_of_wildcards = ctx->ffs_wc_path; if (*rest_of_wildcards != NUL) { len = (int)STRLEN(file_path); if (STRNCMP(rest_of_wildcards, "**", 2) == 0) { /* pointer to the restrict byte * The restrict byte is not a character! */ p = rest_of_wildcards + 2; if (*p > 0) { (*p)--; file_path[len++] = '*'; } if (*p == 0) { /* remove '**<numb> from wildcards */ mch_memmove(rest_of_wildcards, rest_of_wildcards + 3, STRLEN(rest_of_wildcards + 3) + 1); } else rest_of_wildcards += 3; if (ctx->ffs_star_star_empty == 0) { /* if not done before, expand '**' to empty */ ctx->ffs_star_star_empty = 1; dirptrs[1] = ctx->ffs_fix_path; } } /* * Here we copy until the next path separator or the end of * the path. If we stop at a path separator, there is * still something else left. This is handled below by * pushing every directory returned from expand_wildcards() * on the stack again for further search. */ while (*rest_of_wildcards && !vim_ispathsep(*rest_of_wildcards)) file_path[len++] = *rest_of_wildcards++; file_path[len] = NUL; if (vim_ispathsep(*rest_of_wildcards)) rest_of_wildcards++; } #endif /* * Expand wildcards like "*" and "$VAR". * If the path is a URL don't try this. */ if (path_with_url(dirptrs[0])) { ctx->ffs_filearray = (char_u **) alloc((unsigned)sizeof(char *)); if (ctx->ffs_filearray != NULL && (ctx->ffs_filearray[0] = vim_strsave(dirptrs[0])) != NULL) ctx->ffs_filearray_size = 1; else ctx->ffs_filearray_size = 0; } else expand_wildcards((dirptrs[1] == NULL) ? 1 : 2, dirptrs, &ctx->ffs_filearray_size, &ctx->ffs_filearray, EW_DIR|EW_ADDSLASH|EW_SILENT); ctx->ffs_filearray_cur = 0; ctx->ffs_stage = 0; } #ifdef FEAT_PATH_EXTRA else rest_of_wildcards = &ctx->ffs_wc_path[STRLEN(ctx->ffs_wc_path)]; #endif if (ctx->ffs_stage == 0) { /* this is the first time we work on this directory */ #ifdef FEAT_PATH_EXTRA if (*rest_of_wildcards == NUL) #endif { /* * we don't have further wildcards to expand, so we have to * check for the final file now */ for (i = ctx->ffs_filearray_cur; i < ctx->ffs_filearray_size; ++i) { if (!path_with_url(ctx->ffs_filearray[i]) && !mch_isdir(ctx->ffs_filearray[i])) continue; /* not a directory */ /* prepare the filename to be checked for existance * below */ STRCPY(file_path, ctx->ffs_filearray[i]); add_pathsep(file_path); STRCAT(file_path, ff_search_ctx->ffsc_file_to_search); /* * Try without extra suffix and then with suffixes * from 'suffixesadd'. */ #ifdef FEAT_SEARCHPATH len = (int)STRLEN(file_path); suf = curbuf->b_p_sua; for (;;) #endif { /* if file exists and we didn't already find it */ if ((path_with_url(file_path) || (mch_getperm(file_path) >= 0 && (!ff_search_ctx->ffsc_need_dir || mch_isdir(file_path)))) #ifndef FF_VERBOSE && (ff_check_visited( &ff_search_ctx->ffsc_visited_list->ffvl_visited_list, file_path #ifdef FEAT_PATH_EXTRA , (char_u *)"" #endif ) == OK) #endif ) { #ifdef FF_VERBOSE if (ff_check_visited( &ff_search_ctx->ffsc_visited_list->ffvl_visited_list, file_path #ifdef FEAT_PATH_EXTRA , (char_u *)"" #endif ) == FAIL) { if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"Already: %s", file_path); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } continue; } #endif /* push dir to examine rest of subdirs later */ ctx->ffs_filearray_cur = i + 1; ff_push(ctx); simplify_filename(file_path); if (mch_dirname(ff_expand_buffer, MAXPATHL) == OK) { p = shorten_fname(file_path, ff_expand_buffer); if (p != NULL) mch_memmove(file_path, p, STRLEN(p) + 1); } #ifdef FF_VERBOSE if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"HIT: %s", file_path); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } #endif return file_path; } #ifdef FEAT_SEARCHPATH /* Not found or found already, try next suffix. */ if (*suf == NUL) break; copy_option_part(&suf, file_path + len, MAXPATHL - len, ","); #endif } } } #ifdef FEAT_PATH_EXTRA else { /* * still wildcards left, push the directories for further * search */ for (i = ctx->ffs_filearray_cur; i < ctx->ffs_filearray_size; ++i) { if (!mch_isdir(ctx->ffs_filearray[i])) continue; /* not a directory */ ff_push(ff_create_stack_element(ctx->ffs_filearray[i], rest_of_wildcards, ctx->ffs_level - 1, 0)); } } #endif ctx->ffs_filearray_cur = 0; ctx->ffs_stage = 1; } #ifdef FEAT_PATH_EXTRA /* * if wildcards contains '**' we have to descent till we reach the * leaves of the directory tree. */ if (STRNCMP(ctx->ffs_wc_path, "**", 2) == 0) { for (i = ctx->ffs_filearray_cur; i < ctx->ffs_filearray_size; ++i) { if (fnamecmp(ctx->ffs_filearray[i], ctx->ffs_fix_path) == 0) continue; /* don't repush same directory */ if (!mch_isdir(ctx->ffs_filearray[i])) continue; /* not a directory */ ff_push(ff_create_stack_element(ctx->ffs_filearray[i], ctx->ffs_wc_path, ctx->ffs_level - 1, 1)); } } #endif /* we are done with the current directory */ ff_free_stack_element(ctx); } #ifdef FEAT_PATH_EXTRA /* If we reached this, we didn't find anything downwards. * Let's check if we should do an upward search. */ if (ff_search_ctx->ffsc_start_dir && ff_search_ctx->ffsc_stopdirs_v != NULL && !got_int) { ff_stack_T *sptr; /* is the last starting directory in the stop list? */ if (ff_path_in_stoplist(ff_search_ctx->ffsc_start_dir, (int)(path_end - ff_search_ctx->ffsc_start_dir), ff_search_ctx->ffsc_stopdirs_v) == TRUE) break; /* cut of last dir */ while (path_end > ff_search_ctx->ffsc_start_dir && vim_ispathsep(*path_end)) path_end--; while (path_end > ff_search_ctx->ffsc_start_dir && !vim_ispathsep(path_end[-1])) path_end--; *path_end = 0; path_end--; if (*ff_search_ctx->ffsc_start_dir == 0) break; STRCPY(file_path, ff_search_ctx->ffsc_start_dir); add_pathsep(file_path); STRCAT(file_path, ff_search_ctx->ffsc_fix_path); /* create a new stack entry */ sptr = ff_create_stack_element(file_path, ff_search_ctx->ffsc_wc_path, ff_search_ctx->ffsc_level, 0); if (sptr == NULL) break; ff_push(sptr); } else break; } #endif vim_free(file_path); return NULL; } /* * Free the list of lists of visited files and directories * Can handle it if the passed search_context is NULL; */ void vim_findfile_free_visited(search_ctx) void *search_ctx; { if (search_ctx == NULL) return; ff_search_ctx = (ff_search_ctx_T *)search_ctx; vim_findfile_free_visited_list(&ff_search_ctx->ffsc_visited_lists_list); vim_findfile_free_visited_list(&ff_search_ctx->ffsc_dir_visited_lists_list); } static void vim_findfile_free_visited_list(list_headp) ff_visited_list_hdr_T **list_headp; { ff_visited_list_hdr_T *vp; while (*list_headp != NULL) { vp = (*list_headp)->ffvl_next; ff_free_visited_list((*list_headp)->ffvl_visited_list); vim_free((*list_headp)->ffvl_filename); vim_free(*list_headp); *list_headp = vp; } *list_headp = NULL; } static void ff_free_visited_list(vl) ff_visited_T *vl; { ff_visited_T *vp; while (vl != NULL) { vp = vl->ffv_next; #ifdef FEAT_PATH_EXTRA vim_free(vl->ffv_wc_path); #endif vim_free(vl); vl = vp; } vl = NULL; } /* * Returns the already visited list for the given filename. If none is found it * allocates a new one. */ static ff_visited_list_hdr_T* ff_get_visited_list(filename, list_headp) char_u *filename; ff_visited_list_hdr_T **list_headp; { ff_visited_list_hdr_T *retptr = NULL; /* check if a visited list for the given filename exists */ if (*list_headp != NULL) { retptr = *list_headp; while (retptr != NULL) { if (fnamecmp(filename, retptr->ffvl_filename) == 0) { #ifdef FF_VERBOSE if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"ff_get_visited_list: FOUND list for %s", filename); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } #endif return retptr; } retptr = retptr->ffvl_next; } } #ifdef FF_VERBOSE if (p_verbose >= 5) { verbose_enter_scroll(); smsg((char_u *)"ff_get_visited_list: new list for %s", filename); /* don't overwrite this either */ msg_puts((char_u *)"\n"); verbose_leave_scroll(); } #endif /* * if we reach this we didn't find a list and we have to allocate new list */ retptr = (ff_visited_list_hdr_T*)alloc((unsigned)sizeof(*retptr)); if (retptr == NULL) return NULL; retptr->ffvl_visited_list = NULL; retptr->ffvl_filename = vim_strsave(filename); if (retptr->ffvl_filename == NULL) { vim_free(retptr); return NULL; } retptr->ffvl_next = *list_headp; *list_headp = retptr; return retptr; } #ifdef FEAT_PATH_EXTRA /* * check if two wildcard paths are equal. Returns TRUE or FALSE. * They are equal if: * - both paths are NULL * - they have the same length * - char by char comparison is OK * - the only differences are in the counters behind a '**', so * '**\20' is equal to '**\24' */ static int ff_wc_equal(s1, s2) char_u *s1; char_u *s2; { int i; if (s1 == s2) return TRUE; if (s1 == NULL || s2 == NULL) return FALSE; if (STRLEN(s1) != STRLEN(s2)) return FAIL; for (i = 0; s1[i] != NUL && s2[i] != NUL; i++) { if (s1[i] != s2[i] #ifdef CASE_INSENSITIVE_FILENAME && TOUPPER_LOC(s1[i]) != TOUPPER_LOC(s2[i]) #endif ) { if (i >= 2) if (s1[i-1] == '*' && s1[i-2] == '*') continue; else return FAIL; else return FAIL; } } return TRUE; } #endif /* * maintains the list of already visited files and dirs * returns FAIL if the given file/dir is already in the list * returns OK if it is newly added * * TODO: What to do on memory allocation problems? * -> return TRUE - Better the file is found several times instead of * never. */ static int ff_check_visited(visited_list, fname #ifdef FEAT_PATH_EXTRA , wc_path #endif ) ff_visited_T **visited_list; char_u *fname; #ifdef FEAT_PATH_EXTRA char_u *wc_path; #endif { ff_visited_T *vp; #ifdef UNIX struct stat st; int url = FALSE; #endif /* For an URL we only compare the name, otherwise we compare the * device/inode (unix) or the full path name (not Unix). */ if (path_with_url(fname)) { vim_strncpy(ff_expand_buffer, fname, MAXPATHL - 1); #ifdef UNIX url = TRUE; #endif } else { ff_expand_buffer[0] = NUL; #ifdef UNIX if (mch_stat((char *)fname, &st) < 0) #else if (vim_FullName(fname, ff_expand_buffer, MAXPATHL, TRUE) == FAIL) #endif return FAIL; } /* check against list of already visited files */ for (vp = *visited_list; vp != NULL; vp = vp->ffv_next) { if ( #ifdef UNIX !url ? (vp->ffv_dev == st.st_dev && vp->ffv_ino == st.st_ino) : #endif fnamecmp(vp->ffv_fname, ff_expand_buffer) == 0 ) { #ifdef FEAT_PATH_EXTRA /* are the wildcard parts equal */ if (ff_wc_equal(vp->ffv_wc_path, wc_path) == TRUE) #endif /* already visited */ return FAIL; } } /* * New file/dir. Add it to the list of visited files/dirs. */ vp = (ff_visited_T *)alloc((unsigned)(sizeof(ff_visited_T) + STRLEN(ff_expand_buffer))); if (vp != NULL) { #ifdef UNIX if (!url) { vp->ffv_ino = st.st_ino; vp->ffv_dev = st.st_dev; vp->ffv_fname[0] = NUL; } else { vp->ffv_ino = 0; vp->ffv_dev = -1; #endif STRCPY(vp->ffv_fname, ff_expand_buffer); #ifdef UNIX } #endif #ifdef FEAT_PATH_EXTRA if (wc_path != NULL) vp->ffv_wc_path = vim_strsave(wc_path); else vp->ffv_wc_path = NULL; #endif vp->ffv_next = *visited_list; *visited_list = vp; } return OK; } /* * create stack element from given path pieces */ static ff_stack_T * ff_create_stack_element(fix_part, #ifdef FEAT_PATH_EXTRA wc_part, #endif level, star_star_empty) char_u *fix_part; #ifdef FEAT_PATH_EXTRA char_u *wc_part; #endif int level; int star_star_empty; { ff_stack_T *new; new = (ff_stack_T *)alloc((unsigned)sizeof(ff_stack_T)); if (new == NULL) return NULL; new->ffs_prev = NULL; new->ffs_filearray = NULL; new->ffs_filearray_size = 0; new->ffs_filearray_cur = 0; new->ffs_stage = 0; new->ffs_level = level; new->ffs_star_star_empty = star_star_empty;; /* the following saves NULL pointer checks in vim_findfile */ if (fix_part == NULL) fix_part = (char_u *)""; new->ffs_fix_path = vim_strsave(fix_part); #ifdef FEAT_PATH_EXTRA if (wc_part == NULL) wc_part = (char_u *)""; new->ffs_wc_path = vim_strsave(wc_part); #endif if (new->ffs_fix_path == NULL #ifdef FEAT_PATH_EXTRA || new->ffs_wc_path == NULL #endif ) { ff_free_stack_element(new); new = NULL; } return new; } /* * push a dir on the directory stack */ static void ff_push(ctx) ff_stack_T *ctx; { /* check for NULL pointer, not to return an error to the user, but * to prevent a crash */ if (ctx != NULL) { ctx->ffs_prev = ff_search_ctx->ffsc_stack_ptr; ff_search_ctx->ffsc_stack_ptr = ctx; } } /* * pop a dir from the directory stack * returns NULL if stack is empty */ static ff_stack_T * ff_pop() { ff_stack_T *sptr; sptr = ff_search_ctx->ffsc_stack_ptr; if (ff_search_ctx->ffsc_stack_ptr != NULL) ff_search_ctx->ffsc_stack_ptr = ff_search_ctx->ffsc_stack_ptr->ffs_prev; return sptr; } /* * free the given stack element */ static void ff_free_stack_element(ctx) ff_stack_T *ctx; { /* vim_free handles possible NULL pointers */ vim_free(ctx->ffs_fix_path); #ifdef FEAT_PATH_EXTRA vim_free(ctx->ffs_wc_path); #endif if (ctx->ffs_filearray != NULL) FreeWild(ctx->ffs_filearray_size, ctx->ffs_filearray); vim_free(ctx); } /* * clear the search context */ static void ff_clear() { ff_stack_T *sptr; /* clear up stack */ while ((sptr = ff_pop()) != NULL) ff_free_stack_element(sptr); vim_free(ff_search_ctx->ffsc_file_to_search); vim_free(ff_search_ctx->ffsc_start_dir); vim_free(ff_search_ctx->ffsc_fix_path); #ifdef FEAT_PATH_EXTRA vim_free(ff_search_ctx->ffsc_wc_path); #endif #ifdef FEAT_PATH_EXTRA if (ff_search_ctx->ffsc_stopdirs_v != NULL) { int i = 0; while (ff_search_ctx->ffsc_stopdirs_v[i] != NULL) { vim_free(ff_search_ctx->ffsc_stopdirs_v[i]); i++; } vim_free(ff_search_ctx->ffsc_stopdirs_v); } ff_search_ctx->ffsc_stopdirs_v = NULL; #endif /* reset everything */ ff_search_ctx->ffsc_file_to_search = NULL; ff_search_ctx->ffsc_start_dir = NULL; ff_search_ctx->ffsc_fix_path = NULL; #ifdef FEAT_PATH_EXTRA ff_search_ctx->ffsc_wc_path = NULL; ff_search_ctx->ffsc_level = 0; #endif } #ifdef FEAT_PATH_EXTRA /* * check if the given path is in the stopdirs * returns TRUE if yes else FALSE */ static int ff_path_in_stoplist(path, path_len, stopdirs_v) char_u *path; int path_len; char_u **stopdirs_v; { int i = 0; /* eat up trailing path separators, except the first */ while (path_len > 1 && vim_ispathsep(path[path_len - 1])) path_len--; /* if no path consider it as match */ if (path_len == 0) return TRUE; for (i = 0; stopdirs_v[i] != NULL; i++) { if ((int)STRLEN(stopdirs_v[i]) > path_len) { /* match for parent directory. So '/home' also matches * '/home/rks'. Check for PATHSEP in stopdirs_v[i], else * '/home/r' would also match '/home/rks' */ if (fnamencmp(stopdirs_v[i], path, path_len) == 0 && vim_ispathsep(stopdirs_v[i][path_len])) return TRUE; } else { if (fnamecmp(stopdirs_v[i], path) == 0) return TRUE; } } return FALSE; } #endif #if defined(FEAT_SEARCHPATH) || defined(PROTO) /* * Find the file name "ptr[len]" in the path. * * On the first call set the parameter 'first' to TRUE to initialize * the search. For repeating calls to FALSE. * * Repeating calls will return other files called 'ptr[len]' from the path. * * Only on the first call 'ptr' and 'len' are used. For repeating calls they * don't need valid values. * * If nothing found on the first call the option FNAME_MESS will issue the * message: * 'Can't find file "<file>" in path' * On repeating calls: * 'No more file "<file>" found in path' * * options: * FNAME_MESS give error message when not found * * Uses NameBuff[]! * * Returns an allocated string for the file name. NULL for error. * */ char_u * find_file_in_path(ptr, len, options, first, rel_fname) char_u *ptr; /* file name */ int len; /* length of file name */ int options; int first; /* use count'th matching file name */ char_u *rel_fname; /* file name searching relative to */ { return find_file_in_path_option(ptr, len, options, first, *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path, FALSE, rel_fname, curbuf->b_p_sua); } static char_u *ff_file_to_find = NULL; static void *fdip_search_ctx = NULL; #if defined(EXITFREE) static void free_findfile() { vim_free(ff_file_to_find); vim_findfile_cleanup(fdip_search_ctx); } #endif /* * Find the directory name "ptr[len]" in the path. * * options: * FNAME_MESS give error message when not found * * Uses NameBuff[]! * * Returns an allocated string for the file name. NULL for error. */ char_u * find_directory_in_path(ptr, len, options, rel_fname) char_u *ptr; /* file name */ int len; /* length of file name */ int options; char_u *rel_fname; /* file name searching relative to */ { return find_file_in_path_option(ptr, len, options, TRUE, p_cdpath, TRUE, rel_fname, (char_u *)""); } char_u * find_file_in_path_option(ptr, len, options, first, path_option, need_dir, rel_fname, suffixes) char_u *ptr; /* file name */ int len; /* length of file name */ int options; int first; /* use count'th matching file name */ char_u *path_option; /* p_path or p_cdpath */ int need_dir; /* looking for directory name */ char_u *rel_fname; /* file name we are looking relative to. */ char_u *suffixes; /* list of suffixes, 'suffixesadd' option */ { static char_u *dir; static int did_findfile_init = FALSE; char_u save_char; char_u *file_name = NULL; char_u *buf = NULL; int rel_to_curdir; #ifdef AMIGA struct Process *proc = (struct Process *)FindTask(0L); APTR save_winptr = proc->pr_WindowPtr; /* Avoid a requester here for a volume that doesn't exist. */ proc->pr_WindowPtr = (APTR)-1L; #endif if (first == TRUE) { /* copy file name into NameBuff, expanding environment variables */ save_char = ptr[len]; ptr[len] = NUL; expand_env(ptr, NameBuff, MAXPATHL); ptr[len] = save_char; vim_free(ff_file_to_find); ff_file_to_find = vim_strsave(NameBuff); if (ff_file_to_find == NULL) /* out of memory */ { file_name = NULL; goto theend; } } rel_to_curdir = (ff_file_to_find[0] == '.' && (ff_file_to_find[1] == NUL || vim_ispathsep(ff_file_to_find[1]) || (ff_file_to_find[1] == '.' && (ff_file_to_find[2] == NUL || vim_ispathsep(ff_file_to_find[2]))))); if (vim_isAbsName(ff_file_to_find) /* "..", "../path", "." and "./path": don't use the path_option */ || rel_to_curdir #if defined(MSWIN) || defined(MSDOS) || defined(OS2) /* handle "\tmp" as absolute path */ || vim_ispathsep(ff_file_to_find[0]) /* handle "c:name" as absulute path */ || (ff_file_to_find[0] != NUL && ff_file_to_find[1] == ':') #endif #ifdef AMIGA /* handle ":tmp" as absolute path */ || ff_file_to_find[0] == ':' #endif ) { /* * Absolute path, no need to use "path_option". * If this is not a first call, return NULL. We already returned a * filename on the first call. */ if (first == TRUE) { int l; int run; if (path_with_url(ff_file_to_find)) { file_name = vim_strsave(ff_file_to_find); goto theend; } /* When FNAME_REL flag given first use the directory of the file. * Otherwise or when this fails use the current directory. */ for (run = 1; run <= 2; ++run) { l = (int)STRLEN(ff_file_to_find); if (run == 1 && rel_to_curdir && (options & FNAME_REL) && rel_fname != NULL && STRLEN(rel_fname) + l < MAXPATHL) { STRCPY(NameBuff, rel_fname); STRCPY(gettail(NameBuff), ff_file_to_find); l = (int)STRLEN(NameBuff); } else { STRCPY(NameBuff, ff_file_to_find); run = 2; } /* When the file doesn't exist, try adding parts of * 'suffixesadd'. */ buf = suffixes; for (;;) { if ( #ifdef DJGPP /* "C:" by itself will fail for mch_getperm(), * assume it's always valid. */ (need_dir && NameBuff[0] != NUL && NameBuff[1] == ':' && NameBuff[2] == NUL) || #endif (mch_getperm(NameBuff) >= 0 && (!need_dir || mch_isdir(NameBuff)))) { file_name = vim_strsave(NameBuff); goto theend; } if (*buf == NUL) break; copy_option_part(&buf, NameBuff + l, MAXPATHL - l, ","); } } } } else { /* * Loop over all paths in the 'path' or 'cdpath' option. * When "first" is set, first setup to the start of the option. * Otherwise continue to find the next match. */ if (first == TRUE) { /* vim_findfile_free_visited can handle a possible NULL pointer */ vim_findfile_free_visited(fdip_search_ctx); dir = path_option; did_findfile_init = FALSE; } for (;;) { if (did_findfile_init) { ff_search_ctx->ffsc_need_dir = need_dir; file_name = vim_findfile(fdip_search_ctx); ff_search_ctx->ffsc_need_dir = FALSE; if (file_name != NULL) break; did_findfile_init = FALSE; } else { char_u *r_ptr; if (dir == NULL || *dir == NUL) { /* We searched all paths of the option, now we can * free the search context. */ vim_findfile_cleanup(fdip_search_ctx); fdip_search_ctx = NULL; break; } if ((buf = alloc((int)(MAXPATHL))) == NULL) break; /* copy next path */ buf[0] = 0; copy_option_part(&dir, buf, MAXPATHL, " ,"); #ifdef FEAT_PATH_EXTRA /* get the stopdir string */ r_ptr = vim_findfile_stopdir(buf); #else r_ptr = NULL; #endif fdip_search_ctx = vim_findfile_init(buf, ff_file_to_find, r_ptr, 100, FALSE, TRUE, fdip_search_ctx, FALSE, rel_fname); if (fdip_search_ctx != NULL) did_findfile_init = TRUE; vim_free(buf); } } } if (file_name == NULL && (options & FNAME_MESS)) { if (first == TRUE) { if (need_dir) EMSG2(_("E344: Can't find directory \"%s\" in cdpath"), ff_file_to_find); else EMSG2(_("E345: Can't find file \"%s\" in path"), ff_file_to_find); } else { if (need_dir) EMSG2(_("E346: No more directory \"%s\" found in cdpath"), ff_file_to_find); else EMSG2(_("E347: No more file \"%s\" found in path"), ff_file_to_find); } } theend: #ifdef AMIGA proc->pr_WindowPtr = save_winptr; #endif return file_name; } #endif /* FEAT_SEARCHPATH */ /* * Change directory to "new_dir". If FEAT_SEARCHPATH is defined, search * 'cdpath' for relative directory names, otherwise just mch_chdir(). */ int vim_chdir(new_dir) char_u *new_dir; { #ifndef FEAT_SEARCHPATH return mch_chdir((char *)new_dir); #else char_u *dir_name; int r; dir_name = find_directory_in_path(new_dir, (int)STRLEN(new_dir), FNAME_MESS, curbuf->b_ffname); if (dir_name == NULL) return -1; r = mch_chdir((char *)dir_name); vim_free(dir_name); return r; #endif } /* * Get user name from machine-specific function. * Returns the user name in "buf[len]". * Some systems are quite slow in obtaining the user name (Windows NT), thus * cache the result. * Returns OK or FAIL. */ int get_user_name(buf, len) char_u *buf; int len; { if (username == NULL) { if (mch_get_user_name(buf, len) == FAIL) return FAIL; username = vim_strsave(buf); } else vim_strncpy(buf, username, len - 1); return OK; } #ifndef HAVE_QSORT /* * Our own qsort(), for systems that don't have it. * It's simple and slow. From the K&R C book. */ void qsort(base, elm_count, elm_size, cmp) void *base; size_t elm_count; size_t elm_size; int (*cmp) __ARGS((const void *, const void *)); { char_u *buf; char_u *p1; char_u *p2; int i, j; int gap; buf = alloc((unsigned)elm_size); if (buf == NULL) return; for (gap = elm_count / 2; gap > 0; gap /= 2) for (i = gap; i < elm_count; ++i) for (j = i - gap; j >= 0; j -= gap) { /* Compare the elements. */ p1 = (char_u *)base + j * elm_size; p2 = (char_u *)base + (j + gap) * elm_size; if ((*cmp)((void *)p1, (void *)p2) <= 0) break; /* Exchange the elemets. */ mch_memmove(buf, p1, elm_size); mch_memmove(p1, p2, elm_size); mch_memmove(p2, buf, elm_size); } vim_free(buf); } #endif /* * Sort an array of strings. */ static int #ifdef __BORLANDC__ _RTLENTRYF #endif sort_compare __ARGS((const void *s1, const void *s2)); static int #ifdef __BORLANDC__ _RTLENTRYF #endif sort_compare(s1, s2) const void *s1; const void *s2; { return STRCMP(*(char **)s1, *(char **)s2); } void sort_strings(files, count) char_u **files; int count; { qsort((void *)files, (size_t)count, sizeof(char_u *), sort_compare); } #if !defined(NO_EXPANDPATH) || defined(PROTO) /* * Compare path "p[]" to "q[]". * If "maxlen" >= 0 compare "p[maxlen]" to "q[maxlen]" * Return value like strcmp(p, q), but consider path separators. */ int pathcmp(p, q, maxlen) const char *p, *q; int maxlen; { int i; const char *s = NULL; for (i = 0; maxlen < 0 || i < maxlen; ++i) { /* End of "p": check if "q" also ends or just has a slash. */ if (p[i] == NUL) { if (q[i] == NUL) /* full match */ return 0; s = q; break; } /* End of "q": check if "p" just has a slash. */ if (q[i] == NUL) { s = p; break; } if ( #ifdef CASE_INSENSITIVE_FILENAME TOUPPER_LOC(p[i]) != TOUPPER_LOC(q[i]) #else p[i] != q[i] #endif #ifdef BACKSLASH_IN_FILENAME /* consider '/' and '\\' to be equal */ && !((p[i] == '/' && q[i] == '\\') || (p[i] == '\\' && q[i] == '/')) #endif ) { if (vim_ispathsep(p[i])) return -1; if (vim_ispathsep(q[i])) return 1; return ((char_u *)p)[i] - ((char_u *)q)[i]; /* no match */ } } if (s == NULL) /* "i" ran into "maxlen" */ return 0; /* ignore a trailing slash, but not "//" or ":/" */ if (s[i + 1] == NUL && i > 0 && !after_pathsep((char_u *)s, (char_u *)s + i) #ifdef BACKSLASH_IN_FILENAME && (s[i] == '/' || s[i] == '\\') #else && s[i] == '/' #endif ) return 0; /* match with trailing slash */ if (s == q) return -1; /* no match */ return 1; } #endif /* * The putenv() implementation below comes from the "screen" program. * Included with permission from Juergen Weigert. * See pty.c for the copyright notice. */ /* * putenv -- put value into environment * * Usage: i = putenv (string) * int i; * char *string; * * where string is of the form <name>=<value>. * Putenv returns 0 normally, -1 on error (not enough core for malloc). * * Putenv may need to add a new name into the environment, or to * associate a value longer than the current value with a particular * name. So, to make life simpler, putenv() copies your entire * environment into the heap (i.e. malloc()) from the stack * (i.e. where it resides when your process is initiated) the first * time you call it. * * (history removed, not very interesting. See the "screen" sources.) */ #if !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) #define EXTRASIZE 5 /* increment to add to env. size */ static int envsize = -1; /* current size of environment */ #ifndef MACOS_CLASSIC extern #endif char **environ; /* the global which is your env. */ static int findenv __ARGS((char *name)); /* look for a name in the env. */ static int newenv __ARGS((void)); /* copy env. from stack to heap */ static int moreenv __ARGS((void)); /* incr. size of env. */ int putenv(string) const char *string; { int i; char *p; if (envsize < 0) { /* first time putenv called */ if (newenv() < 0) /* copy env. to heap */ return -1; } i = findenv((char *)string); /* look for name in environment */ if (i < 0) { /* name must be added */ for (i = 0; environ[i]; i++); if (i >= (envsize - 1)) { /* need new slot */ if (moreenv() < 0) return -1; } p = (char *)alloc((unsigned)(strlen(string) + 1)); if (p == NULL) /* not enough core */ return -1; environ[i + 1] = 0; /* new end of env. */ } else { /* name already in env. */ p = vim_realloc(environ[i], strlen(string) + 1); if (p == NULL) return -1; } sprintf(p, "%s", string); /* copy into env. */ environ[i] = p; return 0; } static int findenv(name) char *name; { char *namechar, *envchar; int i, found; found = 0; for (i = 0; environ[i] && !found; i++) { envchar = environ[i]; namechar = name; while (*namechar && *namechar != '=' && (*namechar == *envchar)) { namechar++; envchar++; } found = ((*namechar == '\0' || *namechar == '=') && *envchar == '='); } return found ? i - 1 : -1; } static int newenv() { char **env, *elem; int i, esize; #ifdef MACOS /* for Mac a new, empty environment is created */ i = 0; #else for (i = 0; environ[i]; i++) ; #endif esize = i + EXTRASIZE + 1; env = (char **)alloc((unsigned)(esize * sizeof (elem))); if (env == NULL) return -1; #ifndef MACOS for (i = 0; environ[i]; i++) { elem = (char *)alloc((unsigned)(strlen(environ[i]) + 1)); if (elem == NULL) return -1; env[i] = elem; strcpy(elem, environ[i]); } #endif env[i] = 0; environ = env; envsize = esize; return 0; } static int moreenv() { int esize; char **env; esize = envsize + EXTRASIZE; env = (char **)vim_realloc((char *)environ, esize * sizeof (*env)); if (env == 0) return -1; environ = env; envsize = esize; return 0; } # ifdef USE_VIMPTY_GETENV char_u * vimpty_getenv(string) const char_u *string; { int i; char_u *p; if (envsize < 0) return NULL; i = findenv((char *)string); if (i < 0) return NULL; p = vim_strchr((char_u *)environ[i], '='); return (p + 1); } # endif #endif /* !defined(HAVE_SETENV) && !defined(HAVE_PUTENV) */ #if defined(FEAT_EVAL) || defined(FEAT_SPELL) || defined(PROTO) /* * Return 0 for not writable, 1 for writable file, 2 for a dir which we have * rights to write into. */ int filewritable(fname) char_u *fname; { int retval = 0; #if defined(UNIX) || defined(VMS) int perm = 0; #endif #if defined(UNIX) || defined(VMS) perm = mch_getperm(fname); #endif #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */ if ( # ifdef WIN3264 mch_writable(fname) && # else # if defined(UNIX) || defined(VMS) (perm & 0222) && # endif # endif mch_access((char *)fname, W_OK) == 0 ) #endif { ++retval; if (mch_isdir(fname)) ++retval; } return retval; } #endif /* * Print an error message with one or two "%s" and one or two string arguments. * This is not in message.c to avoid a warning for prototypes. */ int emsg3(s, a1, a2) char_u *s, *a1, *a2; { if (emsg_not_now()) return TRUE; /* no error messages at the moment */ vim_snprintf((char *)IObuff, IOSIZE, (char *)s, (long_u)a1, (long_u)a2); return emsg(IObuff); } /* * Print an error message with one "%ld" and one long int argument. * This is not in message.c to avoid a warning for prototypes. */ int emsgn(s, n) char_u *s; long n; { if (emsg_not_now()) return TRUE; /* no error messages at the moment */ vim_snprintf((char *)IObuff, IOSIZE, (char *)s, n); return emsg(IObuff); }