Check return values of some library calls.

[bpt/emacs.git] / lib-src / hexl.c

diff --git a/lib-src/hexl.c b/lib-src/hexl.c
index aa5b370..e0a5166 100644 (file)
--- 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;
                }
            }
        }