From 45038c42847476ce1aee5b09c47fb330a0108cd6 Mon Sep 17 00:00:00 2001 From: Thomas White Date: Mon, 23 Oct 2017 15:53:19 +0200 Subject: Check return values from fread/fgets --- libcrystfel/src/xds.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'libcrystfel/src/xds.c') diff --git a/libcrystfel/src/xds.c b/libcrystfel/src/xds.c index bd98aec4..bfb977ea 100644 --- a/libcrystfel/src/xds.c +++ b/libcrystfel/src/xds.c @@ -679,10 +679,13 @@ const char *xds_probe(UnitCell *cell) for ( l=0; l<10; l++ ) { char *pos; - fgets(line, 1024, fh); - pos = strstr(line, "** XDS **"); - if ( pos != NULL ) { - ok = 1; + if ( fgets(line, 1024, fh) == NULL ) { + ERROR("Failed to probe for XDS\n"); + } else { + pos = strstr(line, "** XDS **"); + if ( pos != NULL ) { + ok = 1; + } } } -- cgit v1.2.3