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 /libcrystfel/src/dirax.c | |
| parent | 7b6fa15e761ec0c5ae9010dc21786a1a3dda7076 (diff) | |
Check return values from fread/fgets
Diffstat (limited to 'libcrystfel/src/dirax.c')
| -rw-r--r-- | libcrystfel/src/dirax.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libcrystfel/src/dirax.c b/libcrystfel/src/dirax.c index 488eb7db..512a61e1 100644 --- a/libcrystfel/src/dirax.c +++ b/libcrystfel/src/dirax.c @@ -660,9 +660,12 @@ const char *dirax_probe(UnitCell *cell) } fh = fdopen(pty, "r"); - fgets(line, 1024, fh); - if ( strncmp(line, "dirax", 5) == 0 ) { - ok = 1; + if ( fgets(line, 1024, fh) == NULL ) { + ERROR("Failed to probe for DirAx\n"); + } else { + if ( strncmp(line, "dirax", 5) == 0 ) { + ok = 1; + } } fclose(fh); |