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| author | Thomas Hindoe Paaboel Andersen <phomes@gmail.com> | 2014-09-27 22:25:07 +0200 |
|---|---|---|
| committer | Thomas Hindoe Paaboel Andersen <phomes@gmail.com> | 2014-09-28 14:46:38 +0200 |
| commit | e931d3f4241231e4102eda06adaf7cbfd68c6a5d (patch) | |
| tree | 7ff5eb21ee1bea1ed260726164f70a10e528027c /src/bootchart | |
| parent | 9bcf7507fab6e6b022ae3cc7178237e6e0a09e9a (diff) | |
bootchart: check return of strftime
Found by coverity. Fixes: CID#996314 and #996312
Diffstat (limited to 'src/bootchart')
| -rw-r--r-- | src/bootchart/bootchart.c | 8 | ||||
| -rw-r--r-- | src/bootchart/svg.c | 5 |
2 files changed, 9 insertions, 4 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c index 8ef5ad18a..366a5ab5d 100644 --- a/src/bootchart/bootchart.c +++ b/src/bootchart/bootchart.c @@ -389,7 +389,9 @@ int main(int argc, char *argv[]) { if (!of && (access(arg_output_path, R_OK|W_OK|X_OK) == 0)) { t = time(NULL); - strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); + r = strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); + assert_se(r > 0); + snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "we"); } @@ -457,7 +459,9 @@ int main(int argc, char *argv[]) { if (!of) { t = time(NULL); - strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); + r = strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t)); + assert_se(r > 0); + snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr); of = fopen(output_file, "we"); } diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c index 135883fb8..faf377e50 100644 --- a/src/bootchart/svg.c +++ b/src/bootchart/svg.c @@ -162,7 +162,7 @@ static void svg_title(const char *build) { char *c; FILE *f; time_t t; - int fd; + int fd, r; struct utsname uts; /* grab /proc/cmdline */ @@ -196,7 +196,8 @@ static void svg_title(const char *build) { /* date */ t = time(NULL); - strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %z", localtime(&t)); + r = strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %z", localtime(&t)); + assert_se(r > 0); /* CPU type */ fd = openat(procfd, "cpuinfo", O_RDONLY); |