puts.c.patch   [plain text]

--- puts.c.orig	Tue May 20 15:22:43 2003
+++ puts.c	Thu Jul 31 13:21:00 2003
@@ -47,6 +47,9 @@
 #include "fvwrite.h"
 #include "libc_private.h"
 
+// 3340719: __puts_null__ is used if string is NULL.  Shared by fputs.c
+__private_extern__ char const __puts_null__[] = "(null)";
+
 /*
  * Write the given string to stdout, appending a newline.
  */
@@ -55,12 +58,15 @@
 	char const *s;
 {
 	int retval;
-	size_t c = strlen(s);
+	size_t c;
 	struct __suio uio;
 	struct __siov iov[2];
 
+	// 3340719: __puts_null__ is used if s is NULL
+	if(s == NULL)
+		s = __puts_null__;
 	iov[0].iov_base = (void *)s;
-	iov[0].iov_len = c;
+	iov[0].iov_len = c = strlen(s);
 	iov[1].iov_base = "\n";
 	iov[1].iov_len = 1;
 	uio.uio_resid = c + 1;