Deleted Added
full compact
ldconfig.c (1683) ldconfig.c (1741)
1/*
2 * Copyright (c) 1993 Paul Kranenburg
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Paul Kranenburg.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
1/*
2 * Copyright (c) 1993 Paul Kranenburg
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Paul Kranenburg.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id: ldconfig.c,v 1.5 1994/02/13 20:42:30 jkh Exp $
30 * $Id: ldconfig.c,v 1.6 1994/06/05 19:04:11 ats Exp $
31 */
32
33#include <sys/param.h>
31 */
32
33#include <sys/param.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <sys/types.h>
37#include <sys/stat.h>
38#include <sys/file.h>
39#include <sys/time.h>
40#include <sys/mman.h>
41#include <sys/resource.h>
34#include <sys/types.h>
35#include <sys/stat.h>
36#include <sys/file.h>
37#include <sys/time.h>
38#include <sys/mman.h>
39#include <sys/resource.h>
42#include <fcntl.h>
40#include <dirent.h>
43#include <errno.h>
41#include <errno.h>
42#include <fcntl.h>
44#include <ar.h>
45#include <ranlib.h>
46#include <a.out.h>
47#include <stab.h>
43#include <ar.h>
44#include <ranlib.h>
45#include <a.out.h>
46#include <stab.h>
47#include <stdio.h>
48#include <stdlib.h>
48#include <string.h>
49#include <string.h>
49#include <dirent.h>
50#include <unistd.h>
50
51#include "ld.h"
52
53#undef major
54#undef minor
55
56char *progname;
57static int verbose;
58static int nostd;
59static int justread;
60
61struct shlib_list {
62 /* Internal list of shared libraries found */
63 char *name;
64 char *path;
65 int dewey[MAXDEWEY];
66 int ndewey;
67#define major dewey[0]
68#define minor dewey[1]
69 struct shlib_list *next;
70};
71
72static struct shlib_list *shlib_head = NULL, **shlib_tail = &shlib_head;
73
74static void enter __P((char *, char *, char *, int *, int));
75static int dodir __P((char *, int));
76static int build_hints __P((void));
51
52#include "ld.h"
53
54#undef major
55#undef minor
56
57char *progname;
58static int verbose;
59static int nostd;
60static int justread;
61
62struct shlib_list {
63 /* Internal list of shared libraries found */
64 char *name;
65 char *path;
66 int dewey[MAXDEWEY];
67 int ndewey;
68#define major dewey[0]
69#define minor dewey[1]
70 struct shlib_list *next;
71};
72
73static struct shlib_list *shlib_head = NULL, **shlib_tail = &shlib_head;
74
75static void enter __P((char *, char *, char *, int *, int));
76static int dodir __P((char *, int));
77static int build_hints __P((void));
78static int listhints __P((void));
77
78int
79main(argc, argv)
80int argc;
81char *argv[];
82{
83 int i, c;
84 int rval = 0;
85 extern int optind;
86
87 if ((progname = strrchr(argv[0], '/')) == NULL)
88 progname = argv[0];
89 else
90 progname++;
91
92 while ((c = getopt(argc, argv, "rsv")) != EOF) {
93 switch (c) {
94 case 'v':
95 verbose = 1;
96 break;
97 case 's':
98 nostd = 1;
99 break;
100 case 'r':
101 justread = 1;
102 break;
103 default:
104 fprintf(stderr, "Usage: %s [-r] [-s] [-v] [dir ...]\n", progname);
105 exit(1);
106 break;
107 }
108 }
109
110 if (justread)
111 return listhints();
112
113 if (!nostd)
79
80int
81main(argc, argv)
82int argc;
83char *argv[];
84{
85 int i, c;
86 int rval = 0;
87 extern int optind;
88
89 if ((progname = strrchr(argv[0], '/')) == NULL)
90 progname = argv[0];
91 else
92 progname++;
93
94 while ((c = getopt(argc, argv, "rsv")) != EOF) {
95 switch (c) {
96 case 'v':
97 verbose = 1;
98 break;
99 case 's':
100 nostd = 1;
101 break;
102 case 'r':
103 justread = 1;
104 break;
105 default:
106 fprintf(stderr, "Usage: %s [-r] [-s] [-v] [dir ...]\n", progname);
107 exit(1);
108 break;
109 }
110 }
111
112 if (justread)
113 return listhints();
114
115 if (!nostd)
114 std_search_dirs(NULL);
116 std_search_path();
115
116 for (i = 0; i < n_search_dirs; i++)
117 rval |= dodir(search_dirs[i], 1);
118
119 for (i = optind; i < argc; i++)
120 rval |= dodir(argv[i], 0);
121
122 rval |= build_hints();
123
124 return rval;
125}
126
127int
128dodir(dir, silent)
129char *dir;
130int silent;
131{
132 DIR *dd;
133 struct dirent *dp;
134 char name[MAXPATHLEN], rest[MAXPATHLEN];
135 int dewey[MAXDEWEY], ndewey;
136
137 if ((dd = opendir(dir)) == NULL) {
138 if (!silent || errno != ENOENT)
139 perror(dir);
140 return -1;
141 }
142
143 while ((dp = readdir(dd)) != NULL) {
144 int n;
145
146 name[0] = rest[0] = '\0';
147
148 n = sscanf(dp->d_name, "lib%[^.].so.%s",
149 name, rest);
150
151 if (n < 2 || rest[0] == '\0')
152 continue;
153
154 ndewey = getdewey(dewey, rest);
155 enter(dir, dp->d_name, name, dewey, ndewey);
156 }
157
158 return 0;
159}
160
161static void
162enter(dir, file, name, dewey, ndewey)
163char *dir, *file, *name;
164int dewey[], ndewey;
165{
166 struct shlib_list *shp;
167
168 for (shp = shlib_head; shp; shp = shp->next) {
169 if (strcmp(name, shp->name) != 0 || major != shp->major)
170 continue;
171
172 /* Name matches existing entry */
173 if (cmpndewey(dewey, ndewey, shp->dewey, shp->ndewey) > 0) {
174
175 /* Update this entry with higher versioned lib */
176 if (verbose)
177 printf("Updating lib%s.%d.%d to %s/%s\n",
178 shp->name, shp->major, shp->minor,
179 dir, file);
180
181 free(shp->name);
182 shp->name = strdup(name);
183 free(shp->path);
184 shp->path = concat(dir, "/", file);
185 bcopy(dewey, shp->dewey, sizeof(shp->dewey));
186 shp->ndewey = ndewey;
187 }
188 break;
189 }
190
191 if (shp)
192 /* Name exists: older version or just updated */
193 return;
194
195 /* Allocate new list element */
196 if (verbose)
197 printf("Adding %s/%s\n", dir, file);
198
199 shp = (struct shlib_list *)xmalloc(sizeof *shp);
200 shp->name = strdup(name);
201 shp->path = concat(dir, "/", file);
202 bcopy(dewey, shp->dewey, MAXDEWEY);
203 shp->ndewey = ndewey;
204 shp->next = NULL;
205
206 *shlib_tail = shp;
207 shlib_tail = &shp->next;
208}
209
210
211#if DEBUG
212/* test */
213#undef _PATH_LD_HINTS
214#define _PATH_LD_HINTS "./ld.so.hints"
215#endif
216
217int
218hinthash(cp, vmajor, vminor)
219char *cp;
220int vmajor, vminor;
221{
222 int k = 0;
223
224 while (*cp)
225 k = (((k << 1) + (k >> 14)) ^ (*cp++)) & 0x3fff;
226
227 k = (((k << 1) + (k >> 14)) ^ (vmajor*257)) & 0x3fff;
228 k = (((k << 1) + (k >> 14)) ^ (vminor*167)) & 0x3fff;
229
230 return k;
231}
232
233int
234build_hints()
235{
236 struct hints_header hdr;
237 struct hints_bucket *blist;
238 struct shlib_list *shp;
239 char *strtab;
240 int i, n, str_index = 0;
241 int strtab_sz = 0; /* Total length of strings */
242 int nhints = 0; /* Total number of hints */
243 int fd;
244 char *tmpfile;
245
246 for (shp = shlib_head; shp; shp = shp->next) {
247 strtab_sz += 1 + strlen(shp->name);
248 strtab_sz += 1 + strlen(shp->path);
249 nhints++;
250 }
251
252 /* Fill hints file header */
253 hdr.hh_magic = HH_MAGIC;
254 hdr.hh_version = LD_HINTS_VERSION_1;
255 hdr.hh_nbucket = 1 * nhints;
256 n = hdr.hh_nbucket * sizeof(struct hints_bucket);
257 hdr.hh_hashtab = sizeof(struct hints_header);
258 hdr.hh_strtab = hdr.hh_hashtab + n;
259 hdr.hh_strtab_sz = strtab_sz;
260 hdr.hh_ehints = hdr.hh_strtab + hdr.hh_strtab_sz;
261
262 if (verbose)
263 printf("Totals: entries %d, buckets %d, string size %d\n",
264 nhints, hdr.hh_nbucket, strtab_sz);
265
266 /* Allocate buckets and string table */
267 blist = (struct hints_bucket *)xmalloc(n);
268 bzero((char *)blist, n);
269 for (i = 0; i < hdr.hh_nbucket; i++)
270 /* Empty all buckets */
271 blist[i].hi_next = -1;
272
273 strtab = (char *)xmalloc(strtab_sz);
274
275 /* Enter all */
276 for (shp = shlib_head; shp; shp = shp->next) {
277 struct hints_bucket *bp;
278
279 bp = blist +
280 (hinthash(shp->name, shp->major, shp->minor) % hdr.hh_nbucket);
281
282 if (bp->hi_pathx) {
283 int i;
284
285 for (i = 0; i < hdr.hh_nbucket; i++) {
286 if (blist[i].hi_pathx == 0)
287 break;
288 }
289 if (i == hdr.hh_nbucket) {
290 fprintf(stderr, "Bummer!\n");
291 return -1;
292 }
293 while (bp->hi_next != -1)
294 bp = &blist[bp->hi_next];
295 bp->hi_next = i;
296 bp = blist + i;
297 }
298
299 /* Insert strings in string table */
300 bp->hi_namex = str_index;
301 strcpy(strtab + str_index, shp->name);
302 str_index += 1 + strlen(shp->name);
303
304 bp->hi_pathx = str_index;
305 strcpy(strtab + str_index, shp->path);
306 str_index += 1 + strlen(shp->path);
307
308 /* Copy versions */
309 bcopy(shp->dewey, bp->hi_dewey, sizeof(bp->hi_dewey));
310 bp->hi_ndewey = shp->ndewey;
311 }
312
313 tmpfile = concat(_PATH_LD_HINTS, "+", "");
314 if ((fd = open(tmpfile, O_RDWR|O_CREAT|O_TRUNC, 0444)) == -1) {
315 perror(_PATH_LD_HINTS);
316 return -1;
317 }
318
319 if (write(fd, &hdr, sizeof(struct hints_header)) !=
320 sizeof(struct hints_header)) {
321 perror(_PATH_LD_HINTS);
322 return -1;
323 }
324 if (write(fd, blist, hdr.hh_nbucket * sizeof(struct hints_bucket)) !=
325 hdr.hh_nbucket * sizeof(struct hints_bucket)) {
326 perror(_PATH_LD_HINTS);
327 return -1;
328 }
329 if (write(fd, strtab, strtab_sz) != strtab_sz) {
330 perror(_PATH_LD_HINTS);
331 return -1;
332 }
333 if (close(fd) != 0) {
334 perror(_PATH_LD_HINTS);
335 return -1;
336 }
337
338 /* Install it */
339 if (unlink(_PATH_LD_HINTS) != 0 && errno != ENOENT) {
340 perror(_PATH_LD_HINTS);
341 return -1;
342 }
343
344 if (rename(tmpfile, _PATH_LD_HINTS) != 0) {
345 perror(_PATH_LD_HINTS);
346 return -1;
347 }
348
349 return 0;
350}
351
117
118 for (i = 0; i < n_search_dirs; i++)
119 rval |= dodir(search_dirs[i], 1);
120
121 for (i = optind; i < argc; i++)
122 rval |= dodir(argv[i], 0);
123
124 rval |= build_hints();
125
126 return rval;
127}
128
129int
130dodir(dir, silent)
131char *dir;
132int silent;
133{
134 DIR *dd;
135 struct dirent *dp;
136 char name[MAXPATHLEN], rest[MAXPATHLEN];
137 int dewey[MAXDEWEY], ndewey;
138
139 if ((dd = opendir(dir)) == NULL) {
140 if (!silent || errno != ENOENT)
141 perror(dir);
142 return -1;
143 }
144
145 while ((dp = readdir(dd)) != NULL) {
146 int n;
147
148 name[0] = rest[0] = '\0';
149
150 n = sscanf(dp->d_name, "lib%[^.].so.%s",
151 name, rest);
152
153 if (n < 2 || rest[0] == '\0')
154 continue;
155
156 ndewey = getdewey(dewey, rest);
157 enter(dir, dp->d_name, name, dewey, ndewey);
158 }
159
160 return 0;
161}
162
163static void
164enter(dir, file, name, dewey, ndewey)
165char *dir, *file, *name;
166int dewey[], ndewey;
167{
168 struct shlib_list *shp;
169
170 for (shp = shlib_head; shp; shp = shp->next) {
171 if (strcmp(name, shp->name) != 0 || major != shp->major)
172 continue;
173
174 /* Name matches existing entry */
175 if (cmpndewey(dewey, ndewey, shp->dewey, shp->ndewey) > 0) {
176
177 /* Update this entry with higher versioned lib */
178 if (verbose)
179 printf("Updating lib%s.%d.%d to %s/%s\n",
180 shp->name, shp->major, shp->minor,
181 dir, file);
182
183 free(shp->name);
184 shp->name = strdup(name);
185 free(shp->path);
186 shp->path = concat(dir, "/", file);
187 bcopy(dewey, shp->dewey, sizeof(shp->dewey));
188 shp->ndewey = ndewey;
189 }
190 break;
191 }
192
193 if (shp)
194 /* Name exists: older version or just updated */
195 return;
196
197 /* Allocate new list element */
198 if (verbose)
199 printf("Adding %s/%s\n", dir, file);
200
201 shp = (struct shlib_list *)xmalloc(sizeof *shp);
202 shp->name = strdup(name);
203 shp->path = concat(dir, "/", file);
204 bcopy(dewey, shp->dewey, MAXDEWEY);
205 shp->ndewey = ndewey;
206 shp->next = NULL;
207
208 *shlib_tail = shp;
209 shlib_tail = &shp->next;
210}
211
212
213#if DEBUG
214/* test */
215#undef _PATH_LD_HINTS
216#define _PATH_LD_HINTS "./ld.so.hints"
217#endif
218
219int
220hinthash(cp, vmajor, vminor)
221char *cp;
222int vmajor, vminor;
223{
224 int k = 0;
225
226 while (*cp)
227 k = (((k << 1) + (k >> 14)) ^ (*cp++)) & 0x3fff;
228
229 k = (((k << 1) + (k >> 14)) ^ (vmajor*257)) & 0x3fff;
230 k = (((k << 1) + (k >> 14)) ^ (vminor*167)) & 0x3fff;
231
232 return k;
233}
234
235int
236build_hints()
237{
238 struct hints_header hdr;
239 struct hints_bucket *blist;
240 struct shlib_list *shp;
241 char *strtab;
242 int i, n, str_index = 0;
243 int strtab_sz = 0; /* Total length of strings */
244 int nhints = 0; /* Total number of hints */
245 int fd;
246 char *tmpfile;
247
248 for (shp = shlib_head; shp; shp = shp->next) {
249 strtab_sz += 1 + strlen(shp->name);
250 strtab_sz += 1 + strlen(shp->path);
251 nhints++;
252 }
253
254 /* Fill hints file header */
255 hdr.hh_magic = HH_MAGIC;
256 hdr.hh_version = LD_HINTS_VERSION_1;
257 hdr.hh_nbucket = 1 * nhints;
258 n = hdr.hh_nbucket * sizeof(struct hints_bucket);
259 hdr.hh_hashtab = sizeof(struct hints_header);
260 hdr.hh_strtab = hdr.hh_hashtab + n;
261 hdr.hh_strtab_sz = strtab_sz;
262 hdr.hh_ehints = hdr.hh_strtab + hdr.hh_strtab_sz;
263
264 if (verbose)
265 printf("Totals: entries %d, buckets %d, string size %d\n",
266 nhints, hdr.hh_nbucket, strtab_sz);
267
268 /* Allocate buckets and string table */
269 blist = (struct hints_bucket *)xmalloc(n);
270 bzero((char *)blist, n);
271 for (i = 0; i < hdr.hh_nbucket; i++)
272 /* Empty all buckets */
273 blist[i].hi_next = -1;
274
275 strtab = (char *)xmalloc(strtab_sz);
276
277 /* Enter all */
278 for (shp = shlib_head; shp; shp = shp->next) {
279 struct hints_bucket *bp;
280
281 bp = blist +
282 (hinthash(shp->name, shp->major, shp->minor) % hdr.hh_nbucket);
283
284 if (bp->hi_pathx) {
285 int i;
286
287 for (i = 0; i < hdr.hh_nbucket; i++) {
288 if (blist[i].hi_pathx == 0)
289 break;
290 }
291 if (i == hdr.hh_nbucket) {
292 fprintf(stderr, "Bummer!\n");
293 return -1;
294 }
295 while (bp->hi_next != -1)
296 bp = &blist[bp->hi_next];
297 bp->hi_next = i;
298 bp = blist + i;
299 }
300
301 /* Insert strings in string table */
302 bp->hi_namex = str_index;
303 strcpy(strtab + str_index, shp->name);
304 str_index += 1 + strlen(shp->name);
305
306 bp->hi_pathx = str_index;
307 strcpy(strtab + str_index, shp->path);
308 str_index += 1 + strlen(shp->path);
309
310 /* Copy versions */
311 bcopy(shp->dewey, bp->hi_dewey, sizeof(bp->hi_dewey));
312 bp->hi_ndewey = shp->ndewey;
313 }
314
315 tmpfile = concat(_PATH_LD_HINTS, "+", "");
316 if ((fd = open(tmpfile, O_RDWR|O_CREAT|O_TRUNC, 0444)) == -1) {
317 perror(_PATH_LD_HINTS);
318 return -1;
319 }
320
321 if (write(fd, &hdr, sizeof(struct hints_header)) !=
322 sizeof(struct hints_header)) {
323 perror(_PATH_LD_HINTS);
324 return -1;
325 }
326 if (write(fd, blist, hdr.hh_nbucket * sizeof(struct hints_bucket)) !=
327 hdr.hh_nbucket * sizeof(struct hints_bucket)) {
328 perror(_PATH_LD_HINTS);
329 return -1;
330 }
331 if (write(fd, strtab, strtab_sz) != strtab_sz) {
332 perror(_PATH_LD_HINTS);
333 return -1;
334 }
335 if (close(fd) != 0) {
336 perror(_PATH_LD_HINTS);
337 return -1;
338 }
339
340 /* Install it */
341 if (unlink(_PATH_LD_HINTS) != 0 && errno != ENOENT) {
342 perror(_PATH_LD_HINTS);
343 return -1;
344 }
345
346 if (rename(tmpfile, _PATH_LD_HINTS) != 0) {
347 perror(_PATH_LD_HINTS);
348 return -1;
349 }
350
351 return 0;
352}
353
352int
354static int
353listhints()
354{
355 int fd;
356 caddr_t addr;
357 long msize;
358 struct hints_header *hdr;
359 struct hints_bucket *blist;
360 char *strtab;
361 int i;
362
363 if ((fd = open(_PATH_LD_HINTS, O_RDONLY, 0)) == -1) {
364 perror(_PATH_LD_HINTS);
365 return -1;
366 }
367
368 msize = PAGSIZ;
369 addr = mmap(0, msize, PROT_READ, MAP_FILE|MAP_COPY, fd, 0);
370
371 if (addr == (caddr_t)-1) {
372 perror(_PATH_LD_HINTS);
373 return -1;
374 }
375
376 hdr = (struct hints_header *)addr;
377 if (HH_BADMAG(*hdr)) {
355listhints()
356{
357 int fd;
358 caddr_t addr;
359 long msize;
360 struct hints_header *hdr;
361 struct hints_bucket *blist;
362 char *strtab;
363 int i;
364
365 if ((fd = open(_PATH_LD_HINTS, O_RDONLY, 0)) == -1) {
366 perror(_PATH_LD_HINTS);
367 return -1;
368 }
369
370 msize = PAGSIZ;
371 addr = mmap(0, msize, PROT_READ, MAP_FILE|MAP_COPY, fd, 0);
372
373 if (addr == (caddr_t)-1) {
374 perror(_PATH_LD_HINTS);
375 return -1;
376 }
377
378 hdr = (struct hints_header *)addr;
379 if (HH_BADMAG(*hdr)) {
378 fprintf(stderr, "%s: Bad magic: %d\n");
380 fprintf(stderr, "%s: Bad magic: %o\n",
381 _PATH_LD_HINTS, hdr->hh_magic);
379 return -1;
380 }
381
382 if (hdr->hh_version != LD_HINTS_VERSION_1) {
383 fprintf(stderr, "Unsupported version: %d\n", hdr->hh_version);
384 return -1;
385 }
386
387 if (hdr->hh_ehints > msize) {
388 if (mmap(addr+msize, hdr->hh_ehints - msize,
389 PROT_READ, MAP_FILE|MAP_COPY|MAP_FIXED,
390 fd, msize) != (caddr_t)(addr+msize)) {
391
392 perror(_PATH_LD_HINTS);
393 return -1;
394 }
395 }
396 close(fd);
397
398 blist = (struct hints_bucket *)(addr + hdr->hh_hashtab);
399 strtab = (char *)(addr + hdr->hh_strtab);
400
401 printf("%s:\n", _PATH_LD_HINTS);
402 for (i = 0; i < hdr->hh_nbucket; i++) {
403 struct hints_bucket *bp = &blist[i];
404
405 /* Sanity check */
406 if (bp->hi_namex >= hdr->hh_strtab_sz) {
407 fprintf(stderr, "Bad name index: %#x\n", bp->hi_namex);
408 return -1;
409 }
410 if (bp->hi_pathx >= hdr->hh_strtab_sz) {
411 fprintf(stderr, "Bad path index: %#x\n", bp->hi_pathx);
412 return -1;
413 }
414
415 printf("\t%d:-l%s.%d.%d => %s (%d -> %d)\n",
416 i,
417 strtab + bp->hi_namex, bp->hi_major, bp->hi_minor,
418 strtab + bp->hi_pathx,
419 hinthash(strtab+bp->hi_namex, bp->hi_major, bp->hi_minor)
420 % hdr->hh_nbucket,
421 bp->hi_next);
422 }
423
424 return 0;
425}
426
382 return -1;
383 }
384
385 if (hdr->hh_version != LD_HINTS_VERSION_1) {
386 fprintf(stderr, "Unsupported version: %d\n", hdr->hh_version);
387 return -1;
388 }
389
390 if (hdr->hh_ehints > msize) {
391 if (mmap(addr+msize, hdr->hh_ehints - msize,
392 PROT_READ, MAP_FILE|MAP_COPY|MAP_FIXED,
393 fd, msize) != (caddr_t)(addr+msize)) {
394
395 perror(_PATH_LD_HINTS);
396 return -1;
397 }
398 }
399 close(fd);
400
401 blist = (struct hints_bucket *)(addr + hdr->hh_hashtab);
402 strtab = (char *)(addr + hdr->hh_strtab);
403
404 printf("%s:\n", _PATH_LD_HINTS);
405 for (i = 0; i < hdr->hh_nbucket; i++) {
406 struct hints_bucket *bp = &blist[i];
407
408 /* Sanity check */
409 if (bp->hi_namex >= hdr->hh_strtab_sz) {
410 fprintf(stderr, "Bad name index: %#x\n", bp->hi_namex);
411 return -1;
412 }
413 if (bp->hi_pathx >= hdr->hh_strtab_sz) {
414 fprintf(stderr, "Bad path index: %#x\n", bp->hi_pathx);
415 return -1;
416 }
417
418 printf("\t%d:-l%s.%d.%d => %s (%d -> %d)\n",
419 i,
420 strtab + bp->hi_namex, bp->hi_major, bp->hi_minor,
421 strtab + bp->hi_pathx,
422 hinthash(strtab+bp->hi_namex, bp->hi_major, bp->hi_minor)
423 % hdr->hh_nbucket,
424 bp->hi_next);
425 }
426
427 return 0;
428}
429