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_alpm_delta_parse: free memory on error

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Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2014-12-22 00:11:59 +10:00
parent e892234207
commit cd5e4b89f4
1 changed files with 8 additions and 4 deletions
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12
lib/libalpm/delta.c
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@ -306,10 +306,10 @@ alpm_delta_t *_alpm_delta_parse(alpm_handle_t *handle, const char *line)
/* start at index 1 -- match 0 is the entire match */
len = pmatch[1].rm_eo - pmatch[1].rm_so;
STRNDUP(delta->delta, &line[pmatch[1].rm_so], len, return NULL);
STRNDUP(delta->delta, &line[pmatch[1].rm_so], len, goto error);
len = pmatch[2].rm_eo - pmatch[2].rm_so;
STRNDUP(delta->delta_md5, &line[pmatch[2].rm_so], len, return NULL);
STRNDUP(delta->delta_md5, &line[pmatch[2].rm_so], len, goto error);
len = pmatch[3].rm_eo - pmatch[3].rm_so;
if(len < sizeof(filesize)) {
@ -319,12 +319,16 @@ alpm_delta_t *_alpm_delta_parse(alpm_handle_t *handle, const char *line)
}
len = pmatch[4].rm_eo - pmatch[4].rm_so;
STRNDUP(delta->from, &line[pmatch[4].rm_so], len, return NULL);
STRNDUP(delta->from, &line[pmatch[4].rm_so], len, goto error);
len = pmatch[5].rm_eo - pmatch[5].rm_so;
STRNDUP(delta->to, &line[pmatch[5].rm_so], len, return NULL);
STRNDUP(delta->to, &line[pmatch[5].rm_so], len, goto error);
return delta;
error:
_alpm_delta_free(delta);
return NULL;
}
#undef NUM_MATCHES