Mercurial > vim
changeset 1303:da0991871b02 v7.1.017
updated for version 7.1-017
author | vimboss |
---|---|
date | Thu, 28 Jun 2007 20:02:32 +0000 |
parents | 7281a86ae640 |
children | 33792c36e3aa |
files | src/ex_cmds.c src/fileio.c src/proto/fileio.pro src/version.c |
diffstat | 4 files changed, 54 insertions(+), 16 deletions(-) [+] |
line wrap: on
line diff
--- a/src/ex_cmds.c +++ b/src/ex_cmds.c @@ -2912,22 +2912,35 @@ not_writing() } /* - * Check if a buffer is read-only. Ask for overruling in a dialog. - * Return TRUE and give an error message when the buffer is readonly. + * Check if a buffer is read-only (either 'readonly' option is set or file is + * read-only). Ask for overruling in a dialog. Return TRUE and give an error + * message when the buffer is readonly. */ static int check_readonly(forceit, buf) int *forceit; buf_T *buf; { - if (!*forceit && buf->b_p_ro) + struct stat st; + + /* Handle a file being readonly when the 'readonly' option is set or when + * the file exists and permissions are read-only. + * We will send 0777 to check_file_readonly(), as the "perm" variable is + * important for device checks but not here. */ + if (!*forceit && (buf->b_p_ro + || (mch_stat((char *)buf->b_ffname, &st) >= 0 + && check_file_readonly(buf->b_ffname, 0777)))) { #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if ((p_confirm || cmdmod.confirm) && buf->b_fname != NULL) { char_u buff[IOSIZE]; - dialog_msg(buff, _("'readonly' option is set for \"%s\".\nDo you wish to write anyway?"), + if (buf->b_p_ro) + dialog_msg(buff, _("'readonly' option is set for \"%s\".\nDo you wish to write anyway?"), + buf->b_fname); + else + dialog_msg(buff, _("File permissions of \"%s\" are read-only.\nIt may still be possible to write it.\nDo you wish to try?"), buf->b_fname); if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) == VIM_YES) @@ -2941,9 +2954,14 @@ check_readonly(forceit, buf) } else #endif + if (buf->b_p_ro) EMSG(_(e_readonly)); + else + EMSG2(_("E505: \"%s\" is read-only (add ! to override)"), + buf->b_fname); return TRUE; } + return FALSE; }
--- a/src/fileio.c +++ b/src/fileio.c @@ -424,7 +424,7 @@ readfile(fname, sfname, from, lines_to_s */ if (!p_odev && mch_nodetype(fname) == NODE_WRITABLE) { - filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option"), 0); + filemess(curbuf, fname, (char_u *)_("is a device (disabled with 'opendevice' option)"), 0); msg_end(); msg_scroll = msg_save; return FAIL; @@ -2734,6 +2734,32 @@ set_file_time(fname, atime, mtime) #endif /* + * Return TRUE if a file appears to be read-only from the file permissions. + */ + int +check_file_readonly(fname, perm) + char_u *fname; /* full path to file */ + int perm; /* known permissions on file */ +{ +#ifndef USE_MCH_ACCESS + int fd = 0; +#endif + + return ( +#ifdef USE_MCH_ACCESS +# ifdef UNIX + (perm & 0222) == 0 || +# endif + mch_access((char *)fname, W_OK) +#else + (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 + ? TRUE : (close(fd), FALSE) +#endif + ); +} + + +/* * buf_write() - write to file "fname" lines "start" through "end" * * We do our own buffering here because fwrite() is so slow. @@ -3219,17 +3245,8 @@ buf_write(buf, fname, sfname, start, end * Check if the file is really writable (when renaming the file to * make a backup we won't discover it later). */ - file_readonly = ( -# ifdef USE_MCH_ACCESS -# ifdef UNIX - (perm & 0222) == 0 || -# endif - mch_access((char *)fname, W_OK) -# else - (fd = mch_open((char *)fname, O_RDWR | O_EXTRA, 0)) < 0 - ? TRUE : (close(fd), FALSE) -# endif - ); + file_readonly = check_file_readonly(fname, (int)perm); + if (!forceit && file_readonly) { if (vim_strchr(p_cpo, CPO_FWRITE) != NULL)
--- a/src/proto/fileio.pro +++ b/src/proto/fileio.pro @@ -2,6 +2,7 @@ void filemess __ARGS((buf_T *buf, char_u *name, char_u *s, int attr)); int readfile __ARGS((char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_skip, linenr_T lines_to_read, exarg_T *eap, int flags)); int prep_exarg __ARGS((exarg_T *eap, buf_T *buf)); +int check_file_readonly __ARGS((char_u *fname, int perm)); int buf_write __ARGS((buf_T *buf, char_u *fname, char_u *sfname, linenr_T start, linenr_T end, exarg_T *eap, int append, int forceit, int reset_changed, int filtering)); void msg_add_fname __ARGS((buf_T *buf, char_u *fname)); void msg_add_lines __ARGS((int insert_space, long lnum, long nchars));