diff options
Diffstat (limited to 'libcrystfel')
| -rw-r--r-- | libcrystfel/src/stream.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcrystfel/src/stream.c b/libcrystfel/src/stream.c index a7cdc2d9..ce948109 100644 --- a/libcrystfel/src/stream.c +++ b/libcrystfel/src/stream.c @@ -472,6 +472,9 @@ int is_stream(const char *filename) { char line[1024]; char *rval = NULL; fh = fopen(filename, "r"); + if ( fh == NULL ) { + return -1; + } rval = fgets(line, 1023, fh); fclose(fh); if ( rval == NULL ) { @@ -483,5 +486,4 @@ int is_stream(const char *filename) { else { return 0; } - return -1; } |