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xbps_[gs]et_cachedir(): ensure we don't copy more than buffer's size including NUL.

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This commit is contained in:
Juan RP 2010-05-20 15:10:36 +02:00
parent 8e764dca60
commit 1bcf9de67a
1 changed files with 4 additions and 4 deletions
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8
lib/util.c
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@ -431,8 +431,8 @@ xbps_set_cachedir(const char *dir)
assert(dir != NULL);
r = snprintf(res, sizeof(res), "%s/%s", xbps_get_rootdir(), dir);
if (r == -1 || r >= (int)sizeof(res)) {
r = snprintf(res, sizeof(res) - 1, "%s/%s", xbps_get_rootdir(), dir);
if (r == -1 || r >= (int)sizeof(res) - 1) {
/* If error or truncated set to default */
cachedir = XBPS_CACHE_PATH;
return;
@ -447,9 +447,9 @@ xbps_get_cachedir(void)
int r = 0;
if (cachedir == NULL) {
r = snprintf(res, sizeof(res), "%s/%s",
r = snprintf(res, sizeof(res) - 1, "%s/%s",
xbps_get_rootdir(), XBPS_CACHE_PATH);
if (r == -1 || r >= (int)sizeof(res))
if (r == -1 || r >= (int)sizeof(res) - 1)
return NULL;
cachedir = res;