From: Roger Sayle <roger@eyesopen.com>
Date: Tue, 15 Apr 2003 02:11:43 +0000 (+0000)
Subject: * strdup.c (strdup): Tweak implementation to use memcpy.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88702c45a68e768f8d5537f2c6c77c9c7b7e6d58;p=platform%2Fupstream%2Fgcc.git

* strdup.c (strdup): Tweak implementation to use memcpy.

From-SVN: r65616
---

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index ec69410..679b382 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-14  Roger Sayle  <roger@eyesopen.com>
+
+	* strdup.c (strdup): Tweak implementation to use memcpy.
+
 2003-04-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* configure.in (HAVE_UINTPTR_T): Always define.
diff --git a/libiberty/strdup.c b/libiberty/strdup.c
index 49233ba..071a4a4 100644
--- a/libiberty/strdup.c
+++ b/libiberty/strdup.c
@@ -9,13 +9,24 @@ Returns a pointer to a copy of @var{s} in memory obtained from
 
 */
 
+#include <ansidecl.h>
+#ifdef ANSI_PROTOTYPES
+#include <stddef.h>
+#else
+#define size_t unsigned long
+#endif
+
+extern size_t	strlen PARAMS ((const char*));
+extern PTR	malloc PARAMS ((size_t));
+extern PTR	memcpy PARAMS ((PTR, const PTR, size_t));
+
 char *
 strdup(s)
      char *s;
 {
-    char *result = (char*)malloc(strlen(s) + 1);
-    if (result == (char*)0)
-	return (char*)0;
-    strcpy(result, s);
-    return result;
+  size_t len = strlen (s) + 1;
+  char *result = (char*) malloc (len);
+  if (result == (char*) 0)
+    return (char*) 0;
+  return (char*) memcpy (result, s, len);
 }