Annotation of src/usr.bin/cvs/file.c, Revision 1.23
1.1 jfb 1: /* $OpenBSD$ */
2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
4: * All rights reserved.
5: *
6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
9: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. The name of the author may not be used to endorse or promote products
13: * derived from this software without specific prior written permission.
14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: #include <sys/types.h>
28: #include <sys/queue.h>
29: #include <sys/stat.h>
30:
31: #include <pwd.h>
32: #include <errno.h>
33: #include <stdio.h>
34: #include <fcntl.h>
35: #include <dirent.h>
36: #include <stdlib.h>
37: #include <unistd.h>
38: #include <string.h>
39: #include <fnmatch.h>
40:
41: #include "cvs.h"
42: #include "log.h"
1.14 jfb 43: #include "file.h"
1.1 jfb 44:
45:
46: #define CVS_IGN_STATIC 0x01 /* pattern is static, no need to glob */
47:
48: #define CVS_CHAR_ISMETA(c) ((c == '*') || (c == '?') || (c == '['))
49:
50:
51: /* ignore pattern */
52: struct cvs_ignpat {
53: char ip_pat[MAXNAMLEN];
54: int ip_flags;
55: TAILQ_ENTRY (cvs_ignpat) ip_list;
56: };
57:
58:
59: /*
60: * Standard patterns to ignore.
61: */
62:
63: static const char *cvs_ign_std[] = {
64: ".",
65: "..",
66: "*.o",
67: "*.so",
68: "*.bak",
69: "*.orig",
70: "*.rej",
71: "*.exe",
72: "*.depend",
73: "CVS",
74: "core",
1.8 jfb 75: ".#*",
1.1 jfb 76: #ifdef OLD_SMELLY_CRUFT
77: "RCSLOG",
78: "tags",
79: "TAGS",
80: "RCS",
81: "SCCS",
82: "#*",
83: ",*",
84: #endif
85: };
86:
87:
1.11 jfb 88: /*
89: * Entries in the CVS/Entries file with a revision of '0' have only been
90: * added. Compare against this revision to see if this is the case
91: */
1.4 jfb 92: static RCSNUM *cvs_addedrev;
93:
94:
1.1 jfb 95: TAILQ_HEAD(, cvs_ignpat) cvs_ign_pats;
96:
97:
1.14 jfb 98: static int cvs_file_getdir (CVSFILE *, int);
1.6 jfb 99: static void cvs_file_freedir (struct cvs_dir *);
1.16 jfb 100: static int cvs_file_sort (struct cvs_flist *, u_int);
1.6 jfb 101: static int cvs_file_cmp (const void *, const void *);
1.23 ! jfb 102: static int cvs_file_cmpname (const char *, const char *);
1.6 jfb 103: static CVSFILE* cvs_file_alloc (const char *, u_int);
1.14 jfb 104: static CVSFILE* cvs_file_lget (const char *, int, CVSFILE *);
1.3 jfb 105:
106:
107:
1.1 jfb 108: /*
109: * cvs_file_init()
110: *
111: */
112:
113: int
114: cvs_file_init(void)
115: {
116: int i;
117: size_t len;
118: char path[MAXPATHLEN], buf[MAXNAMLEN];
119: FILE *ifp;
120: struct passwd *pwd;
121:
122: TAILQ_INIT(&cvs_ign_pats);
123:
1.4 jfb 124: cvs_addedrev = rcsnum_alloc();
125: rcsnum_aton("0", NULL, cvs_addedrev);
126:
1.1 jfb 127: /* standard patterns to ignore */
1.10 jfb 128: for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
1.1 jfb 129: cvs_file_ignore(cvs_ign_std[i]);
130:
131: /* read the cvsignore file in the user's home directory, if any */
132: pwd = getpwuid(getuid());
133: if (pwd != NULL) {
134: snprintf(path, sizeof(path), "%s/.cvsignore", pwd->pw_dir);
135: ifp = fopen(path, "r");
136: if (ifp == NULL) {
137: if (errno != ENOENT)
138: cvs_log(LP_ERRNO, "failed to open `%s'", path);
139: }
140: else {
141: while (fgets(buf, sizeof(buf), ifp) != NULL) {
142: len = strlen(buf);
143: if (len == 0)
144: continue;
145: if (buf[len - 1] != '\n') {
146: cvs_log(LP_ERR, "line too long in `%s'",
147: path);
148: }
149: buf[--len] = '\0';
150: cvs_file_ignore(buf);
151: }
152: (void)fclose(ifp);
153: }
154: }
155:
156: return (0);
157: }
158:
159:
160: /*
161: * cvs_file_ignore()
162: *
163: * Add the pattern <pat> to the list of patterns for files to ignore.
164: * Returns 0 on success, or -1 on failure.
165: */
166:
167: int
168: cvs_file_ignore(const char *pat)
169: {
170: char *cp;
171: struct cvs_ignpat *ip;
172:
173: ip = (struct cvs_ignpat *)malloc(sizeof(*ip));
174: if (ip == NULL) {
175: cvs_log(LP_ERR, "failed to allocate space for ignore pattern");
176: return (-1);
177: }
178:
179: strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
180:
181: /* check if we will need globbing for that pattern */
182: ip->ip_flags = CVS_IGN_STATIC;
183: for (cp = ip->ip_pat; *cp != '\0'; cp++) {
184: if (CVS_CHAR_ISMETA(*cp)) {
185: ip->ip_flags &= ~CVS_IGN_STATIC;
186: break;
187: }
188: }
189:
190: TAILQ_INSERT_TAIL(&cvs_ign_pats, ip, ip_list);
191:
192: return (0);
193: }
194:
195:
196: /*
1.5 jfb 197: * cvs_file_chkign()
1.1 jfb 198: *
199: * Returns 1 if the filename <file> is matched by one of the ignore
200: * patterns, or 0 otherwise.
201: */
202:
203: int
1.5 jfb 204: cvs_file_chkign(const char *file)
1.1 jfb 205: {
1.23 ! jfb 206: int flags;
1.1 jfb 207: struct cvs_ignpat *ip;
208:
1.23 ! jfb 209: flags = FNM_PERIOD;
! 210: if (cvs_nocase)
! 211: flags |= FNM_CASEFOLD;
! 212:
1.1 jfb 213: TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
214: if (ip->ip_flags & CVS_IGN_STATIC) {
1.23 ! jfb 215: if (cvs_file_cmpname(file, ip->ip_pat) == 0)
1.1 jfb 216: return (1);
217: }
1.23 ! jfb 218: else if (fnmatch(ip->ip_pat, file, flags) == 0)
1.1 jfb 219: return (1);
220: }
221:
222: return (0);
223: }
224:
225:
226: /*
1.6 jfb 227: * cvs_file_create()
1.1 jfb 228: *
1.6 jfb 229: * Create a new file whose path is specified in <path> and of type <type>.
1.1 jfb 230: */
231:
1.6 jfb 232: CVSFILE*
233: cvs_file_create(const char *path, u_int type, mode_t mode)
1.1 jfb 234: {
1.6 jfb 235: int fd;
236: CVSFILE *cfp;
1.1 jfb 237:
1.6 jfb 238: cfp = cvs_file_alloc(path, type);
239: if (cfp == NULL)
240: return (NULL);
241: cfp->cf_type = type;
1.22 jfb 242: cfp->cf_mode = mode;
1.1 jfb 243:
1.6 jfb 244: if (type == DT_DIR) {
245: if (mkdir(path, mode) == -1) {
246: cvs_file_free(cfp);
247: return (NULL);
248: }
1.1 jfb 249: }
1.6 jfb 250: else {
251: fd = open(path, O_WRONLY|O_CREAT|O_EXCL, mode);
252: if (fd == -1) {
253: cvs_file_free(cfp);
1.1 jfb 254: return (NULL);
255: }
1.6 jfb 256: (void)close(fd);
1.1 jfb 257: }
258:
1.6 jfb 259: return (cfp);
1.3 jfb 260: }
261:
262:
263: /*
264: * cvs_file_get()
265: *
266: * Load a cvs_file structure with all the information pertaining to the file
267: * <path>.
1.4 jfb 268: * The <flags> parameter specifies various flags that alter the behaviour of
1.21 jfb 269: * the function. The CF_RECURSE flag causes the function to recursively load
270: * subdirectories when <path> is a directory.
271: * The CF_SORT flag causes the files to be sorted in alphabetical order upon
272: * loading. The special case of "." as a path specification generates
273: * recursion for a single level and is equivalent to calling cvs_file_get() on
274: * all files of that directory.
1.3 jfb 275: * Returns a pointer to the cvs file structure, which must later be freed
276: * with cvs_file_free().
277: */
278:
1.14 jfb 279: CVSFILE*
1.3 jfb 280: cvs_file_get(const char *path, int flags)
281: {
1.14 jfb 282: return cvs_file_lget(path, flags, NULL);
1.9 jfb 283: }
284:
285:
286: /*
287: * cvs_file_getspec()
288: *
289: * Load a specific set of files whose paths are given in the vector <fspec>,
290: * whose size is given in <fsn>.
291: * Returns a pointer to the lowest common subdirectory to all specified
292: * files.
293: */
294:
295: CVSFILE*
296: cvs_file_getspec(char **fspec, int fsn, int flags)
297: {
1.19 jfb 298: /* XXX implement me */
299: return (NULL);
1.3 jfb 300: }
301:
302:
303: /*
1.13 jfb 304: * cvs_file_find()
305: *
306: * Find the pointer to a CVS file entry within the file hierarchy <hier>.
307: * The file's pathname <path> must be relative to the base of <hier>.
308: * Returns the entry on success, or NULL on failure.
309: */
310:
311: CVSFILE*
312: cvs_file_find(CVSFILE *hier, const char *path)
313: {
314: char *pp, *sp, pbuf[MAXPATHLEN];
315: CVSFILE *sf, *cf;
316:
317: strlcpy(pbuf, path, sizeof(pbuf));
318:
319: cf = hier;
320: pp = pbuf;
321: do {
322: sp = strchr(pp, '/');
323: if (sp != NULL)
324: *sp = '\0';
325:
326: /* special case */
327: if (*pp == '.') {
328: if ((*(pp + 1) == '.') && (*(pp + 2) == '\0')) {
329: /* request to go back to parent */
330: if (cf->cf_parent == NULL) {
331: cvs_log(LP_NOTICE,
332: "path %s goes back too far", path);
333: return (NULL);
334: }
335: cf = cf->cf_parent;
336: continue;
337: }
338: else if (*(pp + 1) == '\0')
339: continue;
340: }
341:
342: TAILQ_FOREACH(sf, &(cf->cf_ddat->cd_files), cf_list)
1.23 ! jfb 343: if (cvs_file_cmpname(pp, sf->cf_name) == 0)
1.13 jfb 344: break;
345: if (sf == NULL)
346: return (NULL);
347:
348: cf = sf;
349: pp = sp;
350: } while (sp != NULL);
351:
352: return (NULL);
353: }
354:
355:
356: /*
1.22 jfb 357: * cvs_file_attach()
358: *
359: * Attach the file <file> as one of the children of parent <parent>, which
360: * has to be a file of type DT_DIR.
361: * Returns 0 on success, or -1 on failure.
362: */
363:
364: int
365: cvs_file_attach(CVSFILE *parent, CVSFILE *file)
366: {
1.23 ! jfb 367: struct cvs_dir *dp;
! 368: struct cvs_ent *ent;
1.22 jfb 369:
370: if (parent->cf_type != DT_DIR)
371: return (-1);
372:
1.23 ! jfb 373: dp = parent->cf_ddat;
! 374:
! 375: /* if the parent doesn't have an entry for that file, create it */
! 376: if ((dp->cd_ent != NULL) &&
! 377: ((ent = cvs_ent_get(dp->cd_ent, file->cf_name)) == NULL)) {
! 378: }
! 379:
! 380: TAILQ_INSERT_TAIL(&(dp->cd_files), file, cf_list);
! 381: dp->cd_nfiles++;
1.22 jfb 382: file->cf_parent = parent;
383:
384: return (0);
385: }
386:
387:
388: /*
1.3 jfb 389: * cvs_file_getdir()
390: *
391: * Get a cvs directory structure for the directory whose path is <dir>.
392: */
393:
1.6 jfb 394: static int
1.14 jfb 395: cvs_file_getdir(CVSFILE *cf, int flags)
1.3 jfb 396: {
1.13 jfb 397: int ret, fd;
1.16 jfb 398: u_int ndirs;
1.3 jfb 399: long base;
1.13 jfb 400: void *dp, *ep;
1.11 jfb 401: char fbuf[2048], pbuf[MAXPATHLEN];
1.3 jfb 402: struct dirent *ent;
1.14 jfb 403: CVSFILE *cfp;
1.20 jfb 404: struct stat st;
1.3 jfb 405: struct cvs_dir *cdp;
1.10 jfb 406: struct cvs_flist dirs;
1.3 jfb 407:
1.18 jfb 408: ndirs = 0;
1.10 jfb 409: TAILQ_INIT(&dirs);
1.7 jfb 410: cdp = cf->cf_ddat;
411:
1.3 jfb 412: cdp->cd_root = cvsroot_get(cf->cf_path);
413: if (cdp->cd_root == NULL) {
414: cvs_file_freedir(cdp);
1.6 jfb 415: return (-1);
1.3 jfb 416: }
417:
1.14 jfb 418: if (flags & CF_MKADMIN)
419: cvs_mkadmin(cf, 0755);
420:
1.20 jfb 421: /* if the CVS administrative directory exists, load the info */
422: snprintf(pbuf, sizeof(pbuf), "%s/" CVS_PATH_CVSDIR, cf->cf_path);
423: if ((stat(pbuf, &st) == 0) && S_ISDIR(st.st_mode)) {
424: if (cvs_readrepo(cf->cf_path, pbuf, sizeof(pbuf)) == 0) {
425: cdp->cd_repo = strdup(pbuf);
426: if (cdp->cd_repo == NULL) {
427: free(cdp);
428: return (-1);
429: }
430: }
431:
432: cdp->cd_ent = cvs_ent_open(cf->cf_path, O_RDONLY);
433: }
1.14 jfb 434:
1.3 jfb 435: fd = open(cf->cf_path, O_RDONLY);
436: if (fd == -1) {
437: cvs_log(LP_ERRNO, "failed to open `%s'", cf->cf_path);
438: cvs_file_freedir(cdp);
1.6 jfb 439: return (-1);
1.3 jfb 440: }
441:
1.11 jfb 442: do {
443: ret = getdirentries(fd, fbuf, sizeof(fbuf), &base);
444: if (ret == -1) {
445: cvs_log(LP_ERRNO, "failed to get directory entries");
446: (void)close(fd);
447: cvs_file_freedir(cdp);
448: return (-1);
449: }
1.10 jfb 450:
1.11 jfb 451: dp = fbuf;
452: ep = fbuf + (size_t)ret;
453: while (dp < ep) {
454: ent = (struct dirent *)dp;
455: dp += ent->d_reclen;
456:
457: if ((flags & CF_IGNORE) && cvs_file_chkign(ent->d_name))
458: continue;
459:
460: snprintf(pbuf, sizeof(pbuf), "%s/%s",
461: cf->cf_path, ent->d_name);
1.14 jfb 462: cfp = cvs_file_lget(pbuf, flags, cf);
1.11 jfb 463: if (cfp != NULL) {
1.16 jfb 464: if (cfp->cf_type == DT_DIR) {
1.11 jfb 465: TAILQ_INSERT_HEAD(&dirs, cfp, cf_list);
1.16 jfb 466: ndirs++;
467: }
468: else {
1.11 jfb 469: TAILQ_INSERT_HEAD(&(cdp->cd_files), cfp,
470: cf_list);
1.16 jfb 471: cdp->cd_nfiles++;
472: }
1.11 jfb 473: }
1.4 jfb 474: }
1.11 jfb 475: } while (ret > 0);
1.3 jfb 476:
1.14 jfb 477: /* we can now close our Entries file */
478: if (cdp->cd_ent != NULL) {
479: cvs_ent_close(cdp->cd_ent);
480: cdp->cd_ent = NULL;
481: }
482:
1.10 jfb 483: if (flags & CF_SORT) {
1.16 jfb 484: cvs_file_sort(&(cdp->cd_files), cdp->cd_nfiles);
485: cvs_file_sort(&dirs, ndirs);
1.10 jfb 486: }
487: TAILQ_FOREACH(cfp, &dirs, cf_list)
488: TAILQ_INSERT_TAIL(&(cdp->cd_files), cfp, cf_list);
1.16 jfb 489: cdp->cd_nfiles += ndirs;
1.3 jfb 490:
491: (void)close(fd);
1.6 jfb 492: cf->cf_ddat = cdp;
1.3 jfb 493:
1.6 jfb 494: return (0);
1.3 jfb 495: }
496:
497:
498: /*
499: * cvs_file_free()
500: *
501: * Free a cvs_file structure and its contents.
502: */
503:
504: void
1.14 jfb 505: cvs_file_free(CVSFILE *cf)
1.3 jfb 506: {
507: if (cf->cf_path != NULL)
508: free(cf->cf_path);
509: if (cf->cf_ddat != NULL)
510: cvs_file_freedir(cf->cf_ddat);
511: free(cf);
1.5 jfb 512: }
513:
514:
515: /*
516: * cvs_file_examine()
517: *
518: * Examine the contents of the CVS file structure <cf> with the function
519: * <exam>. The function is called for all subdirectories and files of the
520: * root file.
521: */
522:
523: int
524: cvs_file_examine(CVSFILE *cf, int (*exam)(CVSFILE *, void *), void *arg)
525: {
526: int ret;
1.14 jfb 527: CVSFILE *fp;
1.5 jfb 528:
529: if (cf->cf_type == DT_DIR) {
530: ret = (*exam)(cf, arg);
1.10 jfb 531: TAILQ_FOREACH(fp, &(cf->cf_ddat->cd_files), cf_list) {
1.5 jfb 532: ret = cvs_file_examine(fp, exam, arg);
533: if (ret == -1)
1.13 jfb 534: break;
1.5 jfb 535: }
536: }
537: else
1.13 jfb 538: ret = (*exam)(cf, arg);
539:
540: return (ret);
1.3 jfb 541: }
542:
543:
544: /*
545: * cvs_file_freedir()
546: *
547: * Free a cvs_dir structure and its contents.
548: */
549:
550: static void
551: cvs_file_freedir(struct cvs_dir *cd)
552: {
1.14 jfb 553: CVSFILE *cfp;
1.3 jfb 554:
555: if (cd->cd_root != NULL)
556: cvsroot_free(cd->cd_root);
557: if (cd->cd_repo != NULL)
558: free(cd->cd_repo);
559:
1.14 jfb 560: if (cd->cd_ent != NULL)
561: cvs_ent_close(cd->cd_ent);
562:
1.10 jfb 563: while (!TAILQ_EMPTY(&(cd->cd_files))) {
564: cfp = TAILQ_FIRST(&(cd->cd_files));
565: TAILQ_REMOVE(&(cd->cd_files), cfp, cf_list);
1.3 jfb 566: cvs_file_free(cfp);
567: }
568: }
569:
570:
571: /*
572: * cvs_file_sort()
573: *
1.16 jfb 574: * Sort a list of cvs file structures according to their filename. The list
575: * <flp> is modified according to the sorting algorithm. The number of files
576: * in the list must be given by <nfiles>.
577: * Returns 0 on success, or -1 on failure.
1.3 jfb 578: */
579:
580: static int
1.16 jfb 581: cvs_file_sort(struct cvs_flist *flp, u_int nfiles)
1.3 jfb 582: {
583: int i;
584: size_t nb;
1.16 jfb 585: CVSFILE *cf, **cfvec;
586:
587: cfvec = (CVSFILE **)calloc(nfiles, sizeof(CVSFILE *));
588: if (cfvec == NULL) {
589: cvs_log(LP_ERRNO, "failed to allocate sorting vector");
590: return (-1);
591: }
1.3 jfb 592:
593: i = 0;
1.10 jfb 594: TAILQ_FOREACH(cf, flp, cf_list) {
1.16 jfb 595: if (i == (int)nfiles) {
1.3 jfb 596: cvs_log(LP_WARN, "too many files to sort");
1.16 jfb 597: /* rebuild the list and abort sorting */
598: while (--i >= 0)
599: TAILQ_INSERT_HEAD(flp, cfvec[i], cf_list);
600: free(cfvec);
1.3 jfb 601: return (-1);
602: }
1.16 jfb 603: cfvec[i++] = cf;
1.3 jfb 604:
605: /* now unlink it from the list,
606: * we'll put it back in order later
607: */
1.10 jfb 608: TAILQ_REMOVE(flp, cf, cf_list);
1.3 jfb 609: }
610:
611: /* clear the list just in case */
1.10 jfb 612: TAILQ_INIT(flp);
1.3 jfb 613: nb = (size_t)i;
614:
615: heapsort(cfvec, nb, sizeof(cf), cvs_file_cmp);
616:
617: /* rebuild the list from the bottom up */
618: for (i = (int)nb - 1; i >= 0; i--)
1.10 jfb 619: TAILQ_INSERT_HEAD(flp, cfvec[i], cf_list);
1.3 jfb 620:
1.16 jfb 621: free(cfvec);
1.3 jfb 622: return (0);
623: }
624:
625:
626: static int
627: cvs_file_cmp(const void *f1, const void *f2)
628: {
1.14 jfb 629: CVSFILE *cf1, *cf2;
630: cf1 = *(CVSFILE **)f1;
631: cf2 = *(CVSFILE **)f2;
1.23 ! jfb 632: return cvs_file_cmpname(cf1->cf_name, cf2->cf_name);
1.6 jfb 633: }
634:
635:
636: CVSFILE*
637: cvs_file_alloc(const char *path, u_int type)
638: {
639: size_t len;
640: char pbuf[MAXPATHLEN];
641: CVSFILE *cfp;
642: struct cvs_dir *ddat;
643:
1.14 jfb 644: cfp = (CVSFILE *)malloc(sizeof(*cfp));
1.6 jfb 645: if (cfp == NULL) {
646: cvs_log(LP_ERRNO, "failed to allocate CVS file data");
647: return (NULL);
648: }
649: memset(cfp, 0, sizeof(*cfp));
650:
651: /* ditch trailing slashes */
652: strlcpy(pbuf, path, sizeof(pbuf));
653: len = strlen(pbuf);
654: while (pbuf[len - 1] == '/')
655: pbuf[--len] = '\0';
656:
657: cfp->cf_path = strdup(pbuf);
658: if (cfp->cf_path == NULL) {
659: free(cfp);
660: return (NULL);
661: }
662:
663: cfp->cf_name = strrchr(cfp->cf_path, '/');
664: if (cfp->cf_name == NULL)
665: cfp->cf_name = cfp->cf_path;
666: else
667: cfp->cf_name++;
668:
669: cfp->cf_type = type;
670: cfp->cf_cvstat = CVS_FST_UNKNOWN;
671:
672: if (type == DT_DIR) {
673: ddat = (struct cvs_dir *)malloc(sizeof(*ddat));
674: if (ddat == NULL) {
675: cvs_file_free(cfp);
676: return (NULL);
677: }
678: memset(ddat, 0, sizeof(*ddat));
1.10 jfb 679: TAILQ_INIT(&(ddat->cd_files));
1.6 jfb 680: cfp->cf_ddat = ddat;
681: }
682: return (cfp);
1.1 jfb 683: }
1.14 jfb 684:
685:
686: /*
687: * cvs_file_lget()
688: *
689: * Get the file and link it with the parent right away.
1.22 jfb 690: * Returns a pointer to the created file structure on success, or NULL on
691: * failure.
1.14 jfb 692: */
693:
694: static CVSFILE*
695: cvs_file_lget(const char *path, int flags, CVSFILE *parent)
696: {
697: int cwd;
698: size_t len;
699: char buf[32];
700: struct stat st;
701: struct tm lmtm;
702: CVSFILE *cfp;
703: struct cvs_ent *ent;
704:
705: ent = NULL;
706:
707: if (strcmp(path, ".") == 0)
708: cwd = 1;
709: else
710: cwd = 0;
711:
712: if (stat(path, &st) == -1) {
713: cvs_log(LP_ERRNO, "failed to stat %s", path);
714: return (NULL);
715: }
716:
717: cfp = cvs_file_alloc(path, IFTODT(st.st_mode));
718: if (cfp == NULL) {
719: cvs_log(LP_ERRNO, "failed to allocate CVS file data");
720: return (NULL);
721: }
722: cfp->cf_parent = parent;
1.22 jfb 723: cfp->cf_mode = st.st_mode & ACCESSPERMS;
724: cfp->cf_mtime = st.st_mtime;
1.14 jfb 725:
726: if ((parent != NULL) && (CVS_DIR_ENTRIES(parent) != NULL)) {
1.15 jfb 727: ent = cvs_ent_get(CVS_DIR_ENTRIES(parent), cfp->cf_name);
1.14 jfb 728: }
729:
730: if (ent == NULL)
731: cfp->cf_cvstat = (cwd == 1) ?
732: CVS_FST_UPTODATE : CVS_FST_UNKNOWN;
733: else {
734: /* always show directories as up-to-date */
735: if (ent->ce_type == CVS_ENT_DIR)
736: cfp->cf_cvstat = CVS_FST_UPTODATE;
737: else if (rcsnum_cmp(ent->ce_rev, cvs_addedrev, 2) == 0)
738: cfp->cf_cvstat = CVS_FST_ADDED;
739: else {
740: /* check last modified time */
741: if ((gmtime_r((time_t *)&(st.st_mtime),
742: &lmtm) == NULL) ||
743: (asctime_r(&lmtm, buf) == NULL)) {
744: cvs_log(LP_ERR,
745: "failed to generate file timestamp");
746: /* fake an up to date file */
747: strlcpy(buf, ent->ce_timestamp, sizeof(buf));
748: }
749: len = strlen(buf);
750: if ((len > 0) && (buf[len - 1] == '\n'))
751: buf[--len] = '\0';
752:
753: if (strcmp(buf, ent->ce_timestamp) == 0)
754: cfp->cf_cvstat = CVS_FST_UPTODATE;
755: else
756: cfp->cf_cvstat = CVS_FST_MODIFIED;
757: }
758: }
759:
760: if ((cfp->cf_type == DT_DIR) && ((flags & CF_RECURSE) || cwd)) {
761: if ((flags & CF_KNOWN) && (cfp->cf_cvstat == CVS_FST_UNKNOWN)) {
762: }
763: else if (cvs_file_getdir(cfp, flags) < 0) {
764: cvs_file_free(cfp);
765: return (NULL);
766: }
767: }
768:
769: return (cfp);
1.23 ! jfb 770: }
! 771:
! 772:
! 773: static int
! 774: cvs_file_cmpname(const char *name1, const char *name2)
! 775: {
! 776: return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
! 777: (strcasecmp(name1, name2));
1.14 jfb 778: }
![[BACK]](/icons/back.gif){kind=icon}
Return to file.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / cvs