/*
* Utility routines.
*
- * Copyright (C) tons of folks. Tracking down who wrote what
- * isn't something I'm going to worry about... If you wrote something
- * here, please feel free to acknowledge your work.
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
- * Permission has been granted to redistribute this code under the GPL.
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-#include <string.h>
#include "libbb.h"
-
-
-/* Like strncpy but make sure the resulting string is always 0 terminated. */
-extern char * safe_strncpy(char *dst, const char *src, size_t size)
-{
- dst[size-1] = '\0';
- return strncpy(dst, src, size-1);
+/* Like strncpy but make sure the resulting string is always 0 terminated. */
+char* FAST_FUNC safe_strncpy(char *dst, const char *src, size_t size)
+{
+ if (!size) return dst;
+ dst[--size] = '\0';
+ return strncpy(dst, src, size);
}
-
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/
+/* Like strcpy but can copy overlapping strings. */
+void FAST_FUNC overlapping_strcpy(char *dst, const char *src)
+{
+ while ((*dst = *src) != '\0') {
+ dst++;
+ src++;
+ }
+}