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authorEmmanuel Bretelle <chantra@debuntu.org>2010-09-06 19:49:16 +0200
committerHarald Welte <laforge@gnumonks.org>2010-10-20 11:04:51 +0200
commit111e0545436af44862e2d373a2b9f1c9523845ce (patch)
tree3d8ff1c5a1a787d56308b67ef4ace2009789962d /gtp/gtp.c
parent1e9b27b70ef65c36be75c5f693b1e1173b0e4917 (diff)
Fix warning on unused fscanf return code
Relevant output of make: gtp.c: In function ‘log_restart’: gtp.c:697: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result Signed-off-by: Emmanuel Bretelle <chantra@debuntu.org>
Diffstat (limited to 'gtp/gtp.c')
-rw-r--r--gtp/gtp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/gtp/gtp.c b/gtp/gtp.c
index 5e6c4ab..3ffdb60 100644
--- a/gtp/gtp.c
+++ b/gtp/gtp.c
@@ -676,7 +676,7 @@ int gtp_dublicate(struct gsn_t *gsn, int version,
/* Perform restoration and recovery error handling as described in 29.060 */
static void log_restart(struct gsn_t *gsn) {
FILE *f;
- int i;
+ int i, rc;
int counter = 0;
char filename[NAMESIZE];
@@ -694,7 +694,11 @@ static void log_restart(struct gsn_t *gsn) {
}
else {
umask(i);
- fscanf(f, "%d", &counter);
+ rc = fscanf(f, "%d", &counter);
+ if (rc != 1) {
+ gtp_err(LOG_ERR, __FILE__, __LINE__, "fscanf failed to read counter value");
+ return;
+ }
if (fclose(f)) {
gtp_err(LOG_ERR, __FILE__, __LINE__, "fclose failed: Error = %s", strerror(errno));
}