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comparison lib/lib.c @ 295:5a0faa267866

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Fix which (the meaning of -a was reversed, and it was finding the _last_ hit).
author Rob Landley <rob@landley.net>
date Sat, 17 May 2008 17:52:51 -0500
parents b4077be6c746
children 52600eee8dd6
comparison
equal deleted inserted replaced
294:3de1ea4d6b56 295:5a0faa267866
362 // X_OK or R_OK). Returns a list of absolute paths to each file found, in 362 // X_OK or R_OK). Returns a list of absolute paths to each file found, in
363 // order. 363 // order.
364 364
365 struct string_list *find_in_path(char *path, char *filename) 365 struct string_list *find_in_path(char *path, char *filename)
366 { 366 {
367 struct string_list *rlist = NULL; 367 struct string_list *rlist = NULL, **prlist=&rlist;
368 char *cwd = xgetcwd(); 368 char *cwd = xgetcwd();
369 369
370 for (;;) { 370 for (;;) {
371 char *next = path ? index(path, ':') : NULL; 371 char *next = path ? index(path, ':') : NULL;
372 int len = next ? next-path : strlen(path); 372 int len = next ? next-path : strlen(path);
384 strcpy(res, filename); 384 strcpy(res, filename);
385 } 385 }
386 386
387 // Confirm it's not a directory. 387 // Confirm it's not a directory.
388 if (!stat(rnext->str, &st) && S_ISREG(st.st_mode)) { 388 if (!stat(rnext->str, &st) && S_ISREG(st.st_mode)) {
389 rnext->next = rlist; 389 *prlist = rnext;
390 rlist = rnext; 390 rnext->next = NULL;
391 prlist = &(rnext->next);
391 } else free(rnext); 392 } else free(rnext);
392 393
393 if (!next) break; 394 if (!next) break;
394 path += len; 395 path += len;
395 path++; 396 path++;