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modutils: oveflow fix

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This commit is contained in:
Denis Vlasenko 2009-02-26 12:00:52 +00:00
parent 9aa5c652e9
commit 48637e0924
2 changed files with 4 additions and 3 deletions
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2
modutils/modutils.c
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@ -71,7 +71,7 @@ char * FAST_FUNC filename2modname(const char *filename, char *modname)
if (modname == NULL) if (modname == NULL)
modname = xmalloc(MODULE_NAME_LEN); modname = xmalloc(MODULE_NAME_LEN);
from = bb_get_last_path_component_nostrip(filename); from = bb_get_last_path_component_nostrip(filename);
for (i = 0; i < MODULE_NAME_LEN && from[i] != '\0' && from[i] != '.'; i++) for (i = 0; i < (MODULE_NAME_LEN-1) && from[i] != '\0' && from[i] != '.'; i++)
modname[i] = (from[i] == '-') ? '_' : from[i]; modname[i] = (from[i] == '-') ? '_' : from[i];
modname[i] = 0; modname[i] = 0;

5
modutils/modutils.h
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@ -15,8 +15,9 @@
# pragma GCC visibility push(hidden) # pragma GCC visibility push(hidden)
#endif #endif
/* As defined in linux/include/linux/module.h */ /* linux/include/linux/module.h has 64, but this is also used
#define MODULE_NAME_LEN 64 * internally for the maximum alias name length, which can be quite long */
#define MODULE_NAME_LEN 256
const char *moderror(int err) FAST_FUNC; const char *moderror(int err) FAST_FUNC;
llist_t *llist_find(llist_t *first, const char *str) FAST_FUNC; llist_t *llist_find(llist_t *first, const char *str) FAST_FUNC;