[freenos] r338 committed - Added strrchr() to search for the last occurrence of a character in a ...
- From: codesite-noreply@xxxxxxxxxx
- To: freenos@xxxxxxxxxxxxx
- Date: Fri, 04 Sep 2009 14:36:47 +0000
Revision: 338
Author: nieklinnenbank
Date: Fri Sep 4 07:36:35 2009
Log: Added strrchr() to search for the last occurrence of a character in a
string.
http://code.google.com/p/freenos/source/detail?r=338
Added:
/trunk/lib/libc/string/strrchr.c
Modified:
/trunk/lib/libc/string.h
=======================================
--- /dev/null
+++ /trunk/lib/libc/string/strrchr.c Fri Sep 4 07:36:35 2009
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2009 Niek Linnenbank
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "string.h"
+
+char * strrchr(const char *s, int c)
+{
+ char *last = NULL;
+
+ for ( ; *s ; s++)
+ {
+ if (*s == c) last = (char *) s;
+ }
+ return last;
+}
=======================================
--- /trunk/lib/libc/string.h Sat Jun 27 13:46:09 2009
+++ /trunk/lib/libc/string.h Fri Sep 4 07:36:35 2009
@@ -197,6 +197,20 @@
*/
extern C char * strchr(const char *s, int c);
+/**
+ * @brief String scanning operation.
+ *
+ * The strrchr() function shall locate the last occurrence of c
+ * (converted to a char) in the string pointed to by s. The terminating
+ * NUL character is considered to be part of the string.
+ *
+ * @param s String to search in.
+ * @param c Character to look for.
+ * @return Upon successful completion, strrchr() shall return a pointer
+ * to the byte or a null pointer if c does not occur in the string.
+ */
+extern C char * strrchr(const char *s, int c);
+
/**
* @}
*/
Other related posts:
- » [freenos] r338 committed - Added strrchr() to search for the last occurrence of a character in a ... - codesite-noreply
