diff options
| author | Thomas White <taw@physics.org> | 2017-10-23 15:53:19 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2017-10-23 16:01:37 +0200 |
| commit | 45038c42847476ce1aee5b09c47fb330a0108cd6 (patch) | |
| tree | 3979667c80cacc3bd34d0f59fc905a0d4c0b3d0d /src/pattern_sim.c | |
| parent | 7b6fa15e761ec0c5ae9010dc21786a1a3dda7076 (diff) | |
Check return values from fread/fgets
Diffstat (limited to 'src/pattern_sim.c')
| -rw-r--r-- | src/pattern_sim.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/pattern_sim.c b/src/pattern_sim.c index fd670c48..a3fea8e3 100644 --- a/src/pattern_sim.c +++ b/src/pattern_sim.c @@ -799,9 +799,12 @@ int main(int argc, char *argv[]) FILE *fh; unsigned long int seed; fh = fopen("/dev/urandom", "r"); - fread(&seed, sizeof(seed), 1, fh); + if ( fread(&seed, sizeof(seed), 1, fh) == 1 ) { + gsl_rng_set(rng, seed); + } else { + ERROR("Failed to seed random number generator\n"); + } fclose(fh); - gsl_rng_set(rng, seed); } powder.det = image.det; |