readline bug

Howdy,

util.c:readline does not work correctly if the string it is
passed is not NUL-terminated and fgets encounters an error or an
EOF before reading any characters.  The appended patch fixes
this problem.

Matt

--- ifile-1.0.8/util.c	2002-08-29 05:36:36.000000000 -0700
+++ ifile/util.c	2002-08-29 09:43:03.000000000 -0700
@@ -169,10 +169,14 @@
 {
   long int last;
   
-  fgets(string, max_len, stream);
-  last = strlen(string)-1;
-  if (string[last] == '\n')
-    string[last] = '\0';
+  if (fgets(string, max_len, stream) != NULL)
+    {
+      last = strlen(string)-1;
+      if (string[last] == '\n')
+	string[last] = '\0';
+    }
+  else
+    string[0] = '\0';
   
   return string;
 }