Check return values of some library calls.

1 files changed, 6 insertions, 2 deletions

diff --git a/lib-src/hexl.c b/lib-src/hexl.c
index aa5b370aade..e0a5166760a 100644
--- a/lib-src/hexl.c
+++ b/lib-src/hexl.c
@@ -179,7 +179,9 @@ main (int argc, char **argv)
 
 #define hexchar(x) (isdigit (x) ? x - '0' : x - 'a' + 10)
 
-              fread (buf, 1, 10, fp); /* skip 10 bytes */
+              /* Skip 10 bytes.  */
+              if (fread (buf, 1, 10, fp) != 10)
+                break;
 
               for (i=0; i < 16; ++i)
                 {
@@ -207,7 +209,9 @@ main (int argc, char **argv)
                   if (i < 16)
                     break;
 
-                  fread (buf, 1, 18, fp); /* skip 18 bytes */
+                  /* Skip 18 bytes.  */
+                  if (fread (buf, 1, 18, fp) != 18)
+                    break;
                 }
             }
         }