Additional check is added to tracefs_instance_file_read_number() API to
handle the case when the trace file does not contain any number.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
src/tracefs-instance.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/tracefs-instance.c b/src/tracefs-instance.c
index 97bbb00..b5f8298 100644
--- a/src/tracefs-instance.c
+++ b/src/tracefs-instance.c
@@ -316,13 +316,14 @@ int tracefs_instance_file_read_number(struct tracefs_instance *instance,
long long num;
int ret = -1;
int size = 0;
+ char *endptr;
char *str;
str = tracefs_instance_file_read(instance, file, &size);
if (size && str) {
errno = 0;
- num = strtoll(str, NULL, 0);
- if (errno == 0) {
+ num = strtoll(str, &endptr, 0);
+ if (errno == 0 && str != endptr) {
*res = num;
ret = 0;
}
--
2.29.2
|