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candump: main(): fix scope of fname

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Reported-by: https://github.com/HBLocker
Link: https://github.com/linux-can/can-utils/issues/379
This commit is contained in:
Marc Kleine-Budde
2022-09-29 12:47:17 +02:00
parent 2b3b5c498f
commit e54d677999
1 changed files with 3 additions and 3 deletions
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candump.c
+3 -3
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@@ -317,7 +317,8 @@ int main(int argc, char **argv)
struct timeval tv, last_tv;
int timeout_ms = -1; /* default to no timeout */
FILE *logfile = NULL;
char *logname = NULL;
char fname[83]; /* suggested by -Wformat-overflow= */
const char *logname = NULL;
signal(SIGTERM, sigterm);
signal(SIGHUP, sigterm);
@@ -669,7 +670,6 @@ int main(int argc, char **argv)
if (!logname) {
time_t currtime;
struct tm now;
char fname[83]; /* suggested by -Wformat-overflow= */
if (time(&currtime) == (time_t)-1) {
perror("time");
@@ -678,7 +678,7 @@ int main(int argc, char **argv)
localtime_r(&currtime, &now);
sprintf(fname, "candump-%04d-%02d-%02d_%02d%02d%02d.log",
snprintf(fname, sizeof(fname), "candump-%04d-%02d-%02d_%02d%02d%02d.log",
now.tm_year + 1900,
now.tm_mon + 1,
now.tm_mday,