Get rid of missing prototype warnings

[uclinux-h8/uClibc.git] / libc / string / strlcpy.c

diff --git a/libc/string/strlcpy.c b/libc/string/strlcpy.c
index e8a435b..e888b85 100644 (file)
--- a/libc/string/strlcpy.c
+++ b/libc/string/strlcpy.c
@@ -1,19 +1,63 @@
 /*
+ * Copyright (C) 2002     Manuel Novoa III
  * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
 
-#define L_strlcpy
-#define Wstrlcpy __strlcpy
+#include "_string.h"
+
+#ifdef WANT_WIDE
+# define Wstrlcpy __wcslcpy
+# define Wstrxfrm wcsxfrm
+#else
+libc_hidden_proto(strlcpy)
+# define Wstrlcpy strlcpy
+# define Wstrxfrm strxfrm
+#endif
 
-#include "wstring.c"
 
-strong_alias(__strlcpy, strlcpy)
+/* OpenBSD function:
+ * Copy at most n-1 chars from src to dst and nul-terminate dst.
+ * Returns strlen(src), so truncation occurred if the return value is >= n. */
 
-#ifdef __LOCALE_C_ONLY
-hidden_strong_alias(__strlcpy, __strxfrm)
-strong_alias(__strlcpy, strxfrm)
+#ifdef WANT_WIDE
+size_t Wstrlcpy(register Wchar *__restrict dst,
+                                 register const Wchar *__restrict src,
+                                 size_t n) attribute_hidden;
 #endif
+size_t Wstrlcpy(register Wchar *__restrict dst,
+                                 register const Wchar *__restrict src,
+                                 size_t n)
+{
+       const Wchar *src0 = src;
+       Wchar dummy[1];
+
+       if (!n) {
+               dst = dummy;
+       } else {
+               --n;
+       }
+
+       while ((*dst = *src) != 0) {
+               if (n) {
+                       --n;
+                       ++dst;
+               }
+               ++src;
+       }
 
-#undef L_strlcpy
+       return src - src0;
+}
+#ifndef WANT_WIDE
+libc_hidden_def(strlcpy)
+#ifndef __UCLIBC_HAS_LOCALE__
+libc_hidden_proto(strxfrm)
+strong_alias(strlcpy,strxfrm)
+libc_hidden_def(strxfrm)
+#endif
+#else
+#ifndef __UCLIBC_HAS_LOCALE__
+strong_alias(__wcslcpy,wcsxfrm)
+#endif
+#endif