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Diffstat (limited to 'e2fsprogs/blkid/dev.c')
-rw-r--r--e2fsprogs/blkid/dev.c99
1 files changed, 98 insertions, 1 deletions
diff --git a/e2fsprogs/blkid/dev.c b/e2fsprogs/blkid/dev.c
index 04cf8b5fa..5d56c5096 100644
--- a/e2fsprogs/blkid/dev.c
+++ b/e2fsprogs/blkid/dev.c
@@ -35,7 +35,7 @@ void blkid_free_dev(blkid_dev dev)
35 35
36 DBG(DEBUG_DEV, 36 DBG(DEBUG_DEV,
37 printf(" freeing dev %s (%s)\n", dev->bid_name, dev->bid_type)); 37 printf(" freeing dev %s (%s)\n", dev->bid_name, dev->bid_type));
38 DEB_DUMP_DEV(DEBUG_DEV, dev); 38 DBG(DEBUG_DEV, blkid_debug_dump_dev(dev));
39 39
40 list_del(&dev->bid_devs); 40 list_del(&dev->bid_devs);
41 while (!list_empty(&dev->bid_tags)) { 41 while (!list_empty(&dev->bid_tags)) {
@@ -57,6 +57,34 @@ const char *blkid_dev_devname(blkid_dev dev)
57 return dev->bid_name; 57 return dev->bid_name;
58} 58}
59 59
60#ifdef CONFIG_BLKID_DEBUG
61void blkid_debug_dump_dev(blkid_dev dev)
62{
63 struct list_head *p;
64
65 if (!dev) {
66 printf(" dev: NULL\n");
67 return;
68 }
69
70 printf(" dev: name = %s\n", dev->bid_name);
71 printf(" dev: DEVNO=\"0x%0llx\"\n", dev->bid_devno);
72 printf(" dev: TIME=\"%lu\"\n", dev->bid_time);
73 printf(" dev: PRI=\"%d\"\n", dev->bid_pri);
74 printf(" dev: flags = 0x%08X\n", dev->bid_flags);
75
76 list_for_each(p, &dev->bid_tags) {
77 blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags);
78 if (tag)
79 printf(" tag: %s=\"%s\"\n", tag->bit_name,
80 tag->bit_val);
81 else
82 printf(" tag: NULL\n");
83 }
84 printf("\n");
85}
86#endif
87
60/* 88/*
61 * dev iteration routines for the public libblkid interface. 89 * dev iteration routines for the public libblkid interface.
62 * 90 *
@@ -114,3 +142,72 @@ void blkid_dev_iterate_end(blkid_dev_iterate iter)
114 free(iter); 142 free(iter);
115} 143}
116 144
145#ifdef TEST_PROGRAM
146#ifdef HAVE_GETOPT_H
147#include <getopt.h>
148#else
149extern char *optarg;
150extern int optind;
151#endif
152
153void usage(char *prog)
154{
155 fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask]\n", prog);
156 fprintf(stderr, "\tList all devices and exit\n", prog);
157 exit(1);
158}
159
160int main(int argc, char **argv)
161{
162 blkid_dev_iterate iter;
163 blkid_cache cache = NULL;
164 blkid_dev dev;
165 int c, ret;
166 char *tmp;
167 char *file = NULL;
168 char *search_type = NULL;
169 char *search_value = NULL;
170
171 while ((c = getopt (argc, argv, "m:f:")) != EOF)
172 switch (c) {
173 case 'f':
174 file = optarg;
175 break;
176 case 'm':
177 blkid_debug_mask = strtoul (optarg, &tmp, 0);
178 if (*tmp) {
179 fprintf(stderr, "Invalid debug mask: %d\n",
180 optarg);
181 exit(1);
182 }
183 break;
184 case '?':
185 usage(argv[0]);
186 }
187 if (argc >= optind+2) {
188 search_type = argv[optind];
189 search_value = argv[optind+1];
190 optind += 2;
191 }
192 if (argc != optind)
193 usage(argv[0]);
194
195 if ((ret = blkid_get_cache(&cache, file)) != 0) {
196 fprintf(stderr, "%s: error creating cache (%d)\n",
197 argv[0], ret);
198 exit(1);
199 }
200
201 iter = blkid_dev_iterate_begin(cache);
202 if (search_type)
203 blkid_dev_set_search(iter, search_type, search_value);
204 while (blkid_dev_next(iter, &dev) == 0) {
205 printf("Device: %s\n", blkid_dev_devname(dev));
206 }
207 blkid_dev_iterate_end(iter);
208
209
210 blkid_put_cache(cache);
211 return (0);
212}
213#endif