X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrdup.c;h=bea16912296152330e29b4d0bfa5339207afd90f;hb=e7086a9a301ffcfef17edbcba9e7c0312c33f7a8;hp=078c69b6eb330d57852f034b9a76e6170afa71a9;hpb=d87c39464604e74f580c7fae835be31a4c125c36;p=gnulib.git
diff --git a/lib/strdup.c b/lib/strdup.c
index 078c69b6e..bea169122 100644
--- a/lib/strdup.c
+++ b/lib/strdup.c
@@ -1,5 +1,7 @@
-/* strdup.c -- return a newly allocated copy of a string
- Copyright (C) 1990 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996-1998, 2002-2004, 2006-2007, 2009-2013 Free Software
+ Foundation, Inc.
+
+ This file is part of the GNU C Library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -11,33 +13,42 @@
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, see . */
+
+#ifndef _LIBC
+# include
+#endif
-#ifdef STDC_HEADERS
+/* Get specification. */
#include
+
#include
-#else
-char *malloc ();
-char *strcpy ();
-#endif
-#if !__STDC__
-#define const
+#undef __strdup
+#ifdef _LIBC
+# undef strdup
#endif
-/* Return a newly allocated copy of STR,
- or 0 if out of memory. */
+#ifndef weak_alias
+# define __strdup strdup
+#endif
+/* Duplicate S, returning an identical malloc'd string. */
char *
-strdup (str)
- const char *str;
+__strdup (const char *s)
{
- char *newstr;
+ size_t len = strlen (s) + 1;
+ void *new = malloc (len);
+
+ if (new == NULL)
+ return NULL;
- newstr = (char *) malloc (strlen (str) + 1);
- if (newstr)
- strcpy (newstr, str);
- return newstr;
+ return (char *) memcpy (new, s, len);
}
+#ifdef libc_hidden_def
+libc_hidden_def (__strdup)
+#endif
+#ifdef weak_alias
+weak_alias (__strdup, strdup)
+#endif