usr.bin/ar/write.c

64 static void	free_obj(struct bsdar *bsdar, struct ar_obj *obj);
65 static void	insert_obj(struct bsdar *bsdar, struct ar_obj *obj,
119  * Create object from file, return created obj upon success, or NULL
126 	struct ar_obj		*obj;
134 	obj = malloc(sizeof(struct ar_obj));
135 	if (obj == NULL)
137 	if ((obj->fd = open(name, O_RDONLY, 0)) < 0) {
139 		free(obj);
149 		if ((obj->name = malloc(_TRUNCATE_LEN + 1)) == NULL)
151 		(void)strncpy(obj->name, bname, _TRUNCATE_LEN);
152 		obj->name[_TRUNCATE_LEN] = '\0';
154 		if ((obj->name = strdup(bname)) == NULL)
158 	if (fstat(obj->fd, &sb) < 0) {
159 		bsdar_warnc(bsdar, errno, "can't fstat file: %s", obj->name);
163 		bsdar_warnc(bsdar, 0, "%s is not an ordinary file", obj->name);
183 		obj->uid = 0;
184 		obj->gid = 0;
185 		obj->mtime = 0;
186 		obj->md = S_IFREG | 0644;
188 		obj->uid = sb.st_uid;
189 		obj->gid = sb.st_gid;
190 		obj->mtime = sb.st_mtime;
191 		obj->md = sb.st_mode;
193 	obj->size = sb.st_size;
194 	obj->dev = sb.st_dev;
195 	obj->ino = sb.st_ino;
197 	if (obj->size == 0) {
198 		obj->maddr = NULL;
199 		return (obj);
202 	if ((obj->maddr = mmap(NULL, obj->size, PROT_READ,
203 	    MAP_PRIVATE, obj->fd, (off_t)0)) == MAP_FAILED) {
204 		bsdar_warnc(bsdar, errno, "can't mmap file: %s", obj->name);
207 	if (close(obj->fd) < 0)
209 		    obj->name);
211 	return (obj);
214 	if (close(obj->fd) < 0)
216 		    obj->name);
217 	free(obj->name);
218 	free(obj);
226 free_obj(struct bsdar *bsdar, struct ar_obj *obj)
228 	if (obj->fd == -1)
229 		free(obj->maddr);
231 		if (obj->maddr != NULL && munmap(obj->maddr, obj->size))
233 			    "can't munmap file: %s", obj->name);
234 	free(obj->name);
235 	free(obj);
239  * Insert obj to the tail, or before/after the pos obj.
242 insert_obj(struct bsdar *bsdar, struct ar_obj *obj, struct ar_obj *pos)
244 	if (obj == NULL)
245 		bsdar_errc(bsdar, EX_SOFTWARE, 0, "try to insert a null obj");
247 	if (pos == NULL || obj == pos)
249 		 * If the object to move happens to be the position obj,
250 		 * or if there is not a pos obj, move it to tail.
255 		TAILQ_INSERT_BEFORE(pos, obj, objs);
259 		TAILQ_INSERT_AFTER(&bsdar->v_obj, pos, obj, objs);
264 	TAILQ_INSERT_TAIL(&bsdar->v_obj, obj, objs);
279 	struct ar_obj		 *obj;
353 		obj = malloc(sizeof(struct ar_obj));
354 		if (obj == NULL)
356 		obj->maddr = buff;
357 		if ((obj->name = strdup(name)) == NULL)
359 		obj->size = size;
360 		obj->uid = archive_entry_uid(entry);
361 		obj->gid = archive_entry_gid(entry);
362 		obj->md = archive_entry_mode(entry);
363 		obj->mtime = archive_entry_mtime(entry);
364 		obj->dev = 0;
365 		obj->ino = 0;
368 		 * Objects from archive have obj->fd set to -1,
371 		obj->fd = -1;
372 		TAILQ_INSERT_TAIL(&bsdar->v_obj, obj, objs);
384 	struct ar_obj		 *nobj, *obj, *obj_temp, *pos;
458 		TAILQ_FOREACH(obj, &bsdar->v_obj, objs) {
459 			if (strcmp(obj->name, bsdar->posarg) == 0) {
460 				pos = obj;
476 		TAILQ_FOREACH_SAFE(obj, &bsdar->v_obj, objs, obj_temp) {
481 				if (strncmp(bname, obj->name, _TRUNCATE_LEN))
484 				if (strcmp(bname, obj->name) != 0)
493 				    obj->mtime);
502 			TAILQ_REMOVE(&bsdar->v_obj, obj, objs);
504 				free_obj(bsdar, obj);
507 				insert_obj(bsdar, obj, pos);
548 	struct ar_obj		*obj, *obj_temp;
550 	TAILQ_FOREACH_SAFE(obj, &bsdar->v_obj, objs, obj_temp) {
551 		TAILQ_REMOVE(&bsdar->v_obj, obj, objs);
552 		free_obj(bsdar, obj);
612 	struct ar_obj		*obj;
629 	TAILQ_FOREACH(obj, &bsdar->v_obj, objs) {
630 		if (!(bsdar->options & AR_SS) && obj->maddr != NULL)
631 			create_symtab_entry(bsdar, obj->maddr, obj->size);
632 		if (strlen(obj->name) > _MAXNAMELEN_SVR4)
633 			add_to_ar_str_table(bsdar, obj->name);
634 		bsdar->rela_off += _ARHDR_LEN + obj->size + obj->size % 2;
741 	TAILQ_FOREACH(obj, &bsdar->v_obj, objs) {
746 		archive_entry_copy_pathname(entry, obj->name);
747 		archive_entry_set_uid(entry, obj->uid);
748 		archive_entry_set_gid(entry, obj->gid);
749 		archive_entry_set_mode(entry, obj->md);
750 		archive_entry_set_size(entry, obj->size);
751 		archive_entry_set_mtime(entry, obj->mtime, 0);
752 		archive_entry_set_dev(entry, obj->dev);
753 		archive_entry_set_ino(entry, obj->ino);
756 		write_data(bsdar, a, obj->maddr, obj->size);