Mercurial > vim
annotate src/dosinst.h @ 6695:6529590f6c43 v7.4.672
updated for version 7.4.672
Problem: When completing a shell command, directories in the current
directory are not listed.
Solution: When "." is not in $PATH also look in the current directory for
directories.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 21 Mar 2015 17:32:19 +0100 |
| parents | 7d1044b27eb5 |
| children | b6cb94ad97a4 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 /* | |
| 10 * dosinst.h: Common code for dosinst.c and uninstal.c | |
| 11 */ | |
| 714 | 12 |
| 13 /* Visual Studio 2005 has 'deprecated' many of the standard CRT functions */ | |
| 14 #if _MSC_VER >= 1400 | |
| 15 # define _CRT_SECURE_NO_DEPRECATE | |
| 16 # define _CRT_NONSTDC_NO_DEPRECATE | |
| 17 #endif | |
| 18 | |
| 7 | 19 #include <stdio.h> |
| 20 #include <stdlib.h> | |
| 21 #include <string.h> | |
| 22 #include <sys/stat.h> | |
| 23 #include <fcntl.h> | |
| 24 | |
| 25 #ifndef UNIX_LINT | |
| 714 | 26 # include "vimio.h" |
| 7 | 27 # include <ctype.h> |
| 28 | |
| 29 # ifndef __CYGWIN__ | |
| 30 # include <direct.h> | |
| 31 # endif | |
| 32 | |
| 33 # if defined(_WIN64) || defined(WIN32) | |
| 34 # define WIN3264 | |
| 35 # include <windows.h> | |
| 36 # include <shlobj.h> | |
| 37 # else | |
| 38 # include <dir.h> | |
| 39 # include <bios.h> | |
| 40 # include <dos.h> | |
| 41 # endif | |
| 42 #endif | |
| 43 | |
| 44 #ifdef UNIX_LINT | |
| 45 /* Running lint on Unix: Some things are missing. */ | |
| 46 char *searchpath(char *name); | |
| 47 #endif | |
| 48 | |
| 49 #if defined(DJGPP) || defined(UNIX_LINT) | |
| 50 # include <unistd.h> | |
| 51 # include <errno.h> | |
| 52 #endif | |
| 53 | |
| 54 #include "version.h" | |
| 55 | |
| 56 #if defined(DJGPP) || defined(UNIX_LINT) | |
| 57 # define vim_mkdir(x, y) mkdir((char *)(x), y) | |
| 58 #else | |
| 59 # if defined(WIN3264) && !defined(__BORLANDC__) | |
| 60 # define vim_mkdir(x, y) _mkdir((char *)(x)) | |
| 61 # else | |
| 62 # define vim_mkdir(x, y) mkdir((char *)(x)) | |
| 63 # endif | |
| 64 #endif | |
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65 |
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66 #ifndef DJGPP |
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67 # define sleep(n) Sleep((n) * 1000) |
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68 #endif |
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69 |
| 7 | 70 /* ---------------------------------------- */ |
| 71 | |
| 72 | |
| 73 #define BUFSIZE 512 /* long enough to hold a file name path */ | |
| 74 #define NUL 0 | |
| 75 | |
| 76 #define FAIL 0 | |
| 77 #define OK 1 | |
| 78 | |
| 79 #ifndef FALSE | |
| 80 # define FALSE 0 | |
| 81 #endif | |
| 82 #ifndef TRUE | |
| 83 # define TRUE 1 | |
| 84 #endif | |
| 85 | |
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86 /* |
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87 * Modern way of creating registry entries, also works on 64 bit windows when |
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88 * compiled as a 32 bit program. |
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89 */ |
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90 # ifndef KEY_WOW64_64KEY |
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91 # define KEY_WOW64_64KEY 0x0100 |
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92 # endif |
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93 |
| 7 | 94 #define VIM_STARTMENU "Programs\\Vim " VIM_VERSION_SHORT |
| 95 | |
| 96 int interactive; /* non-zero when running interactively */ | |
| 97 | |
| 98 /* | |
| 99 * Call malloc() and exit when out of memory. | |
| 100 */ | |
| 101 static void * | |
| 102 alloc(int len) | |
| 103 { | |
| 104 char *s; | |
| 105 | |
| 106 s = malloc(len); | |
| 107 if (s == NULL) | |
| 108 { | |
| 109 printf("ERROR: out of memory\n"); | |
| 110 exit(1); | |
| 111 } | |
| 112 return (void *)s; | |
| 113 } | |
| 114 | |
| 115 /* | |
| 116 * The toupper() in Bcc 5.5 doesn't work, use our own implementation. | |
| 117 */ | |
| 118 static int | |
| 119 mytoupper(int c) | |
| 120 { | |
| 121 if (c >= 'a' && c <= 'z') | |
| 122 return c - 'a' + 'A'; | |
| 123 return c; | |
| 124 } | |
| 125 | |
| 126 static void | |
| 127 myexit(int n) | |
| 128 { | |
| 129 if (!interactive) | |
| 130 { | |
| 131 /* Present a prompt, otherwise error messages can't be read. */ | |
| 132 printf("Press Enter to continue\n"); | |
| 133 rewind(stdin); | |
| 134 (void)getchar(); | |
| 135 } | |
| 136 exit(n); | |
| 137 } | |
| 138 | |
| 139 #ifdef WIN3264 | |
| 140 /* This symbol is not defined in older versions of the SDK or Visual C++ */ | |
| 141 | |
| 142 #ifndef VER_PLATFORM_WIN32_WINDOWS | |
| 143 # define VER_PLATFORM_WIN32_WINDOWS 1 | |
| 144 #endif | |
| 145 | |
| 146 static DWORD g_PlatformId; | |
| 147 | |
| 148 /* | |
| 149 * Set g_PlatformId to VER_PLATFORM_WIN32_NT (NT) or | |
| 150 * VER_PLATFORM_WIN32_WINDOWS (Win95). | |
| 151 */ | |
| 152 static void | |
| 153 PlatformId(void) | |
| 154 { | |
| 155 static int done = FALSE; | |
| 156 | |
| 157 if (!done) | |
| 158 { | |
| 159 OSVERSIONINFO ovi; | |
| 160 | |
| 161 ovi.dwOSVersionInfoSize = sizeof(ovi); | |
| 162 GetVersionEx(&ovi); | |
| 163 | |
| 164 g_PlatformId = ovi.dwPlatformId; | |
| 165 done = TRUE; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 # ifdef __BORLANDC__ | |
| 170 /* Borland defines its own searchpath() in dir.h */ | |
| 171 # include <dir.h> | |
| 172 # else | |
| 173 static char * | |
| 174 searchpath(char *name) | |
| 175 { | |
| 176 static char widename[2 * BUFSIZE]; | |
| 177 static char location[2 * BUFSIZE + 2]; | |
| 178 | |
| 179 /* There appears to be a bug in FindExecutableA() on Windows NT. | |
| 180 * Use FindExecutableW() instead... */ | |
| 181 PlatformId(); | |
| 182 if (g_PlatformId == VER_PLATFORM_WIN32_NT) | |
| 183 { | |
| 184 MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)name, -1, | |
| 185 (LPWSTR)widename, BUFSIZE); | |
| 186 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", | |
| 187 (LPWSTR)location) > (HINSTANCE)32) | |
| 188 { | |
| 189 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1, | |
| 190 (LPSTR)widename, 2 * BUFSIZE, NULL, NULL); | |
| 191 return widename; | |
| 192 } | |
| 193 } | |
| 194 else | |
| 195 { | |
| 196 if (FindExecutableA((LPCTSTR)name, (LPCTSTR)"", | |
| 197 (LPTSTR)location) > (HINSTANCE)32) | |
| 198 return location; | |
| 199 } | |
| 200 return NULL; | |
| 201 } | |
| 202 # endif | |
| 203 #endif | |
| 204 | |
| 205 /* | |
| 206 * Call searchpath() and save the result in allocated memory, or return NULL. | |
| 207 */ | |
| 208 static char * | |
| 209 searchpath_save(char *name) | |
| 210 { | |
| 211 char *p; | |
| 212 char *s; | |
| 213 | |
| 214 p = searchpath(name); | |
| 215 if (p == NULL) | |
| 216 return NULL; | |
| 217 s = alloc(strlen(p) + 1); | |
| 218 strcpy(s, p); | |
| 219 return s; | |
| 220 } | |
| 221 | |
| 222 #ifdef WIN3264 | |
| 826 | 223 |
| 224 #ifndef CSIDL_COMMON_PROGRAMS | |
| 225 # define CSIDL_COMMON_PROGRAMS 0x0017 | |
| 226 #endif | |
| 227 #ifndef CSIDL_COMMON_DESKTOPDIRECTORY | |
| 228 # define CSIDL_COMMON_DESKTOPDIRECTORY 0x0019 | |
| 229 #endif | |
| 230 | |
| 7 | 231 /* |
| 232 * Get the path to a requested Windows shell folder. | |
| 233 * | |
| 234 * Return FAIL on error, OK on success | |
| 235 */ | |
| 236 int | |
| 237 get_shell_folder_path( | |
| 238 char *shell_folder_path, | |
| 239 const char *shell_folder_name) | |
| 240 { | |
| 241 /* | |
| 242 * The following code was successfully built with make_mvc.mak. | |
| 243 * The resulting executable worked on Windows 95, Millennium Edition, and | |
| 244 * 2000 Professional. But it was changed after testing... | |
| 245 */ | |
| 246 LPITEMIDLIST pidl = 0; /* Pointer to an Item ID list allocated below */ | |
| 247 LPMALLOC pMalloc; /* Pointer to an IMalloc interface */ | |
| 248 int csidl; | |
| 249 int alt_csidl = -1; | |
| 250 static int desktop_csidl = -1; | |
| 251 static int programs_csidl = -1; | |
| 252 int *pcsidl; | |
| 253 int r; | |
| 254 | |
| 255 if (strcmp(shell_folder_name, "desktop") == 0) | |
| 256 { | |
| 257 pcsidl = &desktop_csidl; | |
| 258 csidl = CSIDL_COMMON_DESKTOPDIRECTORY; | |
| 259 alt_csidl = CSIDL_DESKTOP; | |
| 260 } | |
| 261 else if (strncmp(shell_folder_name, "Programs", 8) == 0) | |
| 262 { | |
| 263 pcsidl = &programs_csidl; | |
| 264 csidl = CSIDL_COMMON_PROGRAMS; | |
| 265 alt_csidl = CSIDL_PROGRAMS; | |
| 266 } | |
| 267 else | |
| 268 { | |
| 269 printf("\nERROR (internal) unrecognised shell_folder_name: \"%s\"\n\n", | |
| 270 shell_folder_name); | |
| 271 return FAIL; | |
| 272 } | |
| 273 | |
| 274 /* Did this stuff before, use the same ID again. */ | |
| 275 if (*pcsidl >= 0) | |
| 276 { | |
| 277 csidl = *pcsidl; | |
| 278 alt_csidl = -1; | |
| 279 } | |
| 280 | |
| 281 retry: | |
| 282 /* Initialize pointer to IMalloc interface */ | |
| 283 if (NOERROR != SHGetMalloc(&pMalloc)) | |
| 284 { | |
| 285 printf("\nERROR getting interface for shell_folder_name: \"%s\"\n\n", | |
| 286 shell_folder_name); | |
| 287 return FAIL; | |
| 288 } | |
| 289 | |
| 290 /* Get an ITEMIDLIST corresponding to the folder code */ | |
| 291 if (NOERROR != SHGetSpecialFolderLocation(0, csidl, &pidl)) | |
| 292 { | |
| 293 if (alt_csidl < 0 || NOERROR != SHGetSpecialFolderLocation(0, | |
| 294 alt_csidl, &pidl)) | |
| 295 { | |
| 296 printf("\nERROR getting ITEMIDLIST for shell_folder_name: \"%s\"\n\n", | |
| 297 shell_folder_name); | |
| 298 return FAIL; | |
| 299 } | |
| 300 csidl = alt_csidl; | |
| 301 alt_csidl = -1; | |
| 302 } | |
| 303 | |
| 304 /* Translate that ITEMIDLIST to a string */ | |
| 305 r = SHGetPathFromIDList(pidl, shell_folder_path); | |
| 306 | |
| 307 /* Free the data associated with pidl */ | |
| 308 pMalloc->lpVtbl->Free(pMalloc, pidl); | |
| 309 /* Release the IMalloc interface */ | |
| 310 pMalloc->lpVtbl->Release(pMalloc); | |
| 311 | |
| 312 if (!r) | |
| 313 { | |
| 314 if (alt_csidl >= 0) | |
| 315 { | |
| 316 /* We probably get here for Windows 95: the "all users" | |
| 317 * desktop/start menu entry doesn't exist. */ | |
| 318 csidl = alt_csidl; | |
| 319 alt_csidl = -1; | |
| 320 goto retry; | |
| 321 } | |
| 322 printf("\nERROR translating ITEMIDLIST for shell_folder_name: \"%s\"\n\n", | |
| 323 shell_folder_name); | |
| 324 return FAIL; | |
| 325 } | |
| 326 | |
| 327 /* If there is an alternative: verify we can write in this directory. | |
| 328 * This should cause a retry when the "all users" directory exists but we | |
| 329 * are a normal user and can't write there. */ | |
| 330 if (alt_csidl >= 0) | |
| 331 { | |
| 332 char tbuf[BUFSIZE]; | |
| 333 FILE *fd; | |
| 334 | |
| 335 strcpy(tbuf, shell_folder_path); | |
| 336 strcat(tbuf, "\\vim write test"); | |
| 337 fd = fopen(tbuf, "w"); | |
| 338 if (fd == NULL) | |
| 339 { | |
| 340 csidl = alt_csidl; | |
| 341 alt_csidl = -1; | |
| 342 goto retry; | |
| 343 } | |
| 344 fclose(fd); | |
| 345 unlink(tbuf); | |
| 346 } | |
| 347 | |
| 348 /* | |
| 349 * Keep the found csidl for next time, so that we don't have to do the | |
| 350 * write test every time. | |
| 351 */ | |
| 352 if (*pcsidl < 0) | |
| 353 *pcsidl = csidl; | |
| 354 | |
| 355 if (strncmp(shell_folder_name, "Programs\\", 9) == 0) | |
| 356 strcat(shell_folder_path, shell_folder_name + 8); | |
| 357 | |
| 358 return OK; | |
| 359 } | |
| 360 #endif | |
| 361 | |
| 362 /* | |
| 363 * List of targets. The first one (index zero) is used for the default path | |
| 364 * for the batch files. | |
| 365 */ | |
| 782 | 366 #define TARGET_COUNT 9 |
| 7 | 367 |
| 368 struct | |
| 369 { | |
| 370 char *name; /* Vim exe name (without .exe) */ | |
| 371 char *batname; /* batch file name */ | |
| 372 char *lnkname; /* shortcut file name */ | |
| 373 char *exename; /* exe file name */ | |
| 374 char *exenamearg; /* exe file name when using exearg */ | |
| 375 char *exearg; /* argument for vim.exe or gvim.exe */ | |
| 376 char *oldbat; /* path to existing xxx.bat or NULL */ | |
| 377 char *oldexe; /* path to existing xxx.exe or NULL */ | |
| 378 char batpath[BUFSIZE]; /* path of batch file to create; not | |
| 379 created when it's empty */ | |
| 380 } targets[TARGET_COUNT] = | |
| 381 { | |
| 382 {"all", "batch files"}, | |
| 383 {"vim", "vim.bat", "Vim.lnk", | |
| 384 "vim.exe", "vim.exe", ""}, | |
| 385 {"gvim", "gvim.bat", "gVim.lnk", | |
| 386 "gvim.exe", "gvim.exe", ""}, | |
| 387 {"evim", "evim.bat", "gVim Easy.lnk", | |
| 388 "evim.exe", "gvim.exe", "-y"}, | |
| 389 {"view", "view.bat", "Vim Read-only.lnk", | |
| 390 "view.exe", "vim.exe", "-R"}, | |
| 391 {"gview", "gview.bat", "gVim Read-only.lnk", | |
| 392 "gview.exe", "gvim.exe", "-R"}, | |
| 393 {"vimdiff", "vimdiff.bat", "Vim Diff.lnk", | |
| 394 "vimdiff.exe","vim.exe", "-d"}, | |
| 395 {"gvimdiff","gvimdiff.bat", "gVim Diff.lnk", | |
| 396 "gvimdiff.exe","gvim.exe", "-d"}, | |
| 782 | 397 {"vimtutor","vimtutor.bat", "Vim tutor.lnk", |
| 398 "vimtutor.bat", "vimtutor.bat", ""}, | |
| 7 | 399 }; |
| 400 | |
| 401 #define ICON_COUNT 3 | |
| 402 char *(icon_names[ICON_COUNT]) = | |
| 403 {"gVim " VIM_VERSION_SHORT, | |
| 404 "gVim Easy " VIM_VERSION_SHORT, | |
| 405 "gVim Read only " VIM_VERSION_SHORT}; | |
| 406 char *(icon_link_names[ICON_COUNT]) = | |
| 407 {"gVim " VIM_VERSION_SHORT ".lnk", | |
| 408 "gVim Easy " VIM_VERSION_SHORT ".lnk", | |
| 409 "gVim Read only " VIM_VERSION_SHORT ".lnk"}; | |
| 410 | |
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573da4dac306
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Bram Moolenaar <bram@vim.org>
parents:
2217
diff
changeset
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411 /* This is only used for dosinst.c when WIN3264 is defined and for uninstal.c |
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573da4dac306
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Bram Moolenaar <bram@vim.org>
parents:
2217
diff
changeset
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412 * when not being able to directly access registry entries. */ |
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2217
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changeset
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413 #if (defined(DOSINST) && defined(WIN3264)) \ |
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diff
changeset
|
414 || (!defined(DOSINST) && !defined(WIN3264)) |
| 7 | 415 /* |
| 416 * Run an external command and wait for it to finish. | |
| 417 */ | |
| 418 static void | |
| 419 run_command(char *cmd) | |
| 420 { | |
| 421 char *cmd_path; | |
| 422 char cmd_buf[BUFSIZE]; | |
| 423 char *p; | |
| 424 | |
| 425 /* On WinNT, 'start' is a shell built-in for cmd.exe rather than an | |
| 426 * executable (start.exe) like in Win9x. DJGPP, being a DOS program, | |
| 427 * is given the COMSPEC command.com by WinNT, so we have to find | |
| 428 * cmd.exe manually and use it. */ | |
| 429 cmd_path = searchpath_save("cmd.exe"); | |
| 430 if (cmd_path != NULL) | |
| 431 { | |
| 432 /* There is a cmd.exe, so this might be Windows NT. If it is, | |
| 433 * we need to call cmd.exe explicitly. If it is a later OS, | |
| 434 * calling cmd.exe won't hurt if it is present. | |
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435 * Also, "start" on NT expects a window title argument. |
| 7 | 436 */ |
| 437 /* Replace the slashes with backslashes. */ | |
| 438 while ((p = strchr(cmd_path, '/')) != NULL) | |
| 439 *p = '\\'; | |
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440 sprintf(cmd_buf, "%s /c start \"vimcmd\" /wait %s", cmd_path, cmd); |
| 7 | 441 free(cmd_path); |
| 442 } | |
| 443 else | |
| 444 { | |
| 445 /* No cmd.exe, just make the call and let the system handle it. */ | |
| 446 sprintf(cmd_buf, "start /w %s", cmd); | |
| 447 } | |
| 448 system(cmd_buf); | |
| 449 } | |
| 450 #endif | |
| 451 | |
| 452 /* | |
| 453 * Append a backslash to "name" if there isn't one yet. | |
| 454 */ | |
| 455 static void | |
| 456 add_pathsep(char *name) | |
| 457 { | |
| 458 int len = strlen(name); | |
| 459 | |
| 460 if (len > 0 && name[len - 1] != '\\' && name[len - 1] != '/') | |
| 461 strcat(name, "\\"); | |
| 462 } | |
| 463 | |
| 464 /* | |
| 465 * The normal chdir() does not change the default drive. This one does. | |
| 466 */ | |
| 467 /*ARGSUSED*/ | |
| 468 int | |
| 469 change_drive(int drive) | |
| 470 { | |
| 471 #ifdef WIN3264 | |
| 472 char temp[3] = "-:"; | |
| 473 temp[0] = (char)(drive + 'A' - 1); | |
| 474 return !SetCurrentDirectory(temp); | |
| 475 #else | |
| 476 # ifndef UNIX_LINT | |
| 477 union REGS regs; | |
| 478 | |
| 479 regs.h.ah = 0x0e; | |
| 480 regs.h.dl = drive - 1; | |
| 481 intdos(®s, ®s); /* set default drive */ | |
| 482 regs.h.ah = 0x19; | |
| 483 intdos(®s, ®s); /* get default drive */ | |
| 484 if (regs.h.al == drive - 1) | |
| 485 return 0; | |
| 486 # endif | |
| 487 return -1; | |
| 488 #endif | |
| 489 } | |
| 490 | |
| 491 /* | |
| 492 * Change directory to "path". | |
| 493 * Return 0 for success, -1 for failure. | |
| 494 */ | |
| 495 int | |
| 496 mch_chdir(char *path) | |
| 497 { | |
| 498 if (path[0] == NUL) /* just checking... */ | |
| 499 return 0; | |
| 500 if (path[1] == ':') /* has a drive name */ | |
| 501 { | |
| 502 if (change_drive(mytoupper(path[0]) - 'A' + 1)) | |
| 503 return -1; /* invalid drive name */ | |
| 504 path += 2; | |
| 505 } | |
| 506 if (*path == NUL) /* drive name only */ | |
| 507 return 0; | |
| 508 return chdir(path); /* let the normal chdir() do the rest */ | |
| 509 } | |
| 510 | |
| 511 /* | |
| 512 * Expand the executable name into a full path name. | |
| 513 */ | |
| 514 #if defined(__BORLANDC__) && !defined(WIN3264) | |
| 515 | |
| 516 /* Only Borland C++ has this. */ | |
| 517 # define my_fullpath(b, n, l) _fullpath(b, n, l) | |
| 518 | |
| 519 #else | |
| 520 static char * | |
| 521 my_fullpath(char *buf, char *fname, int len) | |
| 522 { | |
| 523 # ifdef WIN3264 | |
| 524 /* Only GetModuleFileName() will get the long file name path. | |
| 525 * GetFullPathName() may still use the short (FAT) name. */ | |
| 526 DWORD len_read = GetModuleFileName(NULL, buf, (size_t)len); | |
| 527 | |
| 528 return (len_read > 0 && len_read < (DWORD)len) ? buf : NULL; | |
| 529 # else | |
| 530 char olddir[BUFSIZE]; | |
| 531 char *p, *q; | |
| 532 int c; | |
| 533 char *retval = buf; | |
| 534 | |
| 1222 | 535 if (strchr(fname, ':') != NULL) /* already expanded */ |
| 7 | 536 { |
| 537 strncpy(buf, fname, len); | |
| 538 } | |
| 539 else | |
| 540 { | |
| 541 *buf = NUL; | |
| 542 /* | |
| 543 * change to the directory for a moment, | |
| 544 * and then do the getwd() (and get back to where we were). | |
| 545 * This will get the correct path name with "../" things. | |
| 546 */ | |
| 547 p = strrchr(fname, '/'); | |
| 548 q = strrchr(fname, '\\'); | |
| 549 if (q != NULL && (p == NULL || q > p)) | |
| 550 p = q; | |
| 551 q = strrchr(fname, ':'); | |
| 552 if (q != NULL && (p == NULL || q > p)) | |
| 553 p = q; | |
| 554 if (p != NULL) | |
| 555 { | |
| 556 if (getcwd(olddir, BUFSIZE) == NULL) | |
| 557 { | |
| 558 p = NULL; /* can't get current dir: don't chdir */ | |
| 559 retval = NULL; | |
| 560 } | |
| 561 else | |
| 562 { | |
| 563 if (p == fname) /* /fname */ | |
| 564 q = p + 1; /* -> / */ | |
| 565 else if (q + 1 == p) /* ... c:\foo */ | |
| 566 q = p + 1; /* -> c:\ */ | |
| 567 else /* but c:\foo\bar */ | |
| 568 q = p; /* -> c:\foo */ | |
| 569 | |
| 570 c = *q; /* truncate at start of fname */ | |
| 571 *q = NUL; | |
| 572 if (mch_chdir(fname)) /* change to the directory */ | |
| 573 retval = NULL; | |
| 574 else | |
| 575 { | |
| 576 fname = q; | |
| 577 if (c == '\\') /* if we cut the name at a */ | |
| 578 fname++; /* '\', don't add it again */ | |
| 579 } | |
| 580 *q = c; | |
| 581 } | |
| 582 } | |
| 583 if (getcwd(buf, len) == NULL) | |
| 584 { | |
| 585 retval = NULL; | |
| 586 *buf = NUL; | |
| 587 } | |
| 588 /* | |
| 589 * Concatenate the file name to the path. | |
| 590 */ | |
| 591 if (strlen(buf) + strlen(fname) >= len - 1) | |
| 592 { | |
| 593 printf("ERROR: File name too long!\n"); | |
| 594 myexit(1); | |
| 595 } | |
| 596 add_pathsep(buf); | |
| 597 strcat(buf, fname); | |
| 598 if (p) | |
| 599 mch_chdir(olddir); | |
| 600 } | |
| 601 | |
| 602 /* Replace forward slashes with backslashes, required for the path to a | |
| 603 * command. */ | |
| 604 while ((p = strchr(buf, '/')) != NULL) | |
| 605 *p = '\\'; | |
| 606 | |
| 607 return retval; | |
| 608 # endif | |
| 609 } | |
| 610 #endif | |
| 611 | |
| 612 /* | |
| 613 * Remove the tail from a file or directory name. | |
| 614 * Puts a NUL on the last '/' or '\'. | |
| 615 */ | |
| 616 static void | |
| 617 remove_tail(char *path) | |
| 618 { | |
| 619 int i; | |
| 620 | |
| 621 for (i = strlen(path) - 1; i > 0; --i) | |
| 622 if (path[i] == '/' || path[i] == '\\') | |
| 623 { | |
| 624 path[i] = NUL; | |
| 625 break; | |
| 626 } | |
| 627 } | |
| 628 | |
| 629 | |
| 630 char installdir[BUFSIZE]; /* top of the installation dir, where the | |
| 631 install.exe is located, E.g.: | |
| 632 "c:\vim\vim60" */ | |
| 633 int runtimeidx; /* index in installdir[] where "vim60" starts */ | |
| 634 char *sysdrive; /* system drive or "c:\" */ | |
| 635 | |
| 636 /* | |
| 637 * Setup for using this program. | |
| 638 * Sets "installdir[]". | |
| 639 */ | |
| 640 static void | |
| 641 do_inits(char **argv) | |
| 642 { | |
| 643 #ifdef DJGPP | |
| 644 /* | |
| 645 * Use Long File Names by default, if $LFN not set. | |
| 646 */ | |
| 647 if (getenv("LFN") == NULL) | |
| 648 putenv("LFN=y"); | |
| 649 #endif | |
| 650 | |
| 651 /* Find out the full path of our executable. */ | |
| 652 if (my_fullpath(installdir, argv[0], BUFSIZE) == NULL) | |
| 653 { | |
| 654 printf("ERROR: Cannot get name of executable\n"); | |
| 655 myexit(1); | |
| 656 } | |
| 657 /* remove the tail, the executable name "install.exe" */ | |
| 658 remove_tail(installdir); | |
| 659 | |
| 660 /* change to the installdir */ | |
| 661 mch_chdir(installdir); | |
| 662 | |
| 663 /* Find the system drive. Only used for searching the Vim executable, not | |
| 664 * very important. */ | |
| 665 sysdrive = getenv("SYSTEMDRIVE"); | |
| 666 if (sysdrive == NULL || *sysdrive == NUL) | |
| 667 sysdrive = "C:\\"; | |
| 668 } |