1 files changed, 8 insertions, 5 deletions

diff --git a/src/lib/libc/stdlib/l64a.c b/src/lib/libc/stdlib/l64a.c
index 630f9e3365..4e99391254 100644
--- a/src/lib/libc/stdlib/l64a.c
+++ b/src/lib/libc/stdlib/l64a.c
@@ -4,13 +4,14 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: l64a.c,v 1.2 1996/08/19 08:33:33 tholo Exp $";
+static char *rcsid = "$OpenBSD: l64a.c,v 1.3 1997/08/17 22:58:34 millert Exp $";
 #endif /* LIBC_SCCS and not lint */
 
+#include <errno.h>
 #include <stdlib.h>
 
 char *
-l64a (value)
+l64a(value)
         long value;
 {
         static char buf[8];
@@ -18,8 +19,10 @@ l64a (value)
         int digit;
         int i;
 
-        if (!value) 
-                return NULL;
+        if (value < 0) {
+                errno = EINVAL;
+                return(NULL);
+        }
 
         for (i = 0; value != 0 && i < 6; i++) {
                 digit = value & 0x3f;
@@ -39,5 +42,5 @@ l64a (value)
 
         *s = '\0';
 
-        return buf;
+        return(buf);
 }