@@ -13,7 +13,7 @@
STRING_SRC_C = strcat.c strchr.c strcmp.c strcpy.c strlen.c strncmp.c \
strncpy.c strstr.c memset.c memcpy.c memmove.c memchr.c \
- memcmp.c strcasecmp.c strncasecmp.c strtok.c
+ memcmp.c strcasecmp.c strncasecmp.c strtok.c strrchr.c
STRING_SRC_ASM =
STRING_SRCS = $(STRING_SRC_C:%=$(STRINGCMNDIR)/%) $(STRING_SRC_ASM:%=$(STRINGCMNDIR)/%)
STRING_OBJS = $(STRING_SRC_C:%.c=%.o) $(STRING_SRC_ASM:%.S=%.o)
new file mode 100644
@@ -0,0 +1,28 @@
+/******************************************************************************
+ * libc strrchr() implementation
+ *
+ * This program and the accompanying materials are made available under
+ * the terms of the BSD License which accompanies this distribution, and
+ * is available at http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ * Thomas Huth - initial implementation
+ *****************************************************************************/
+
+#include <string.h>
+
+char *
+strrchr(const char *s, int c)
+{
+ char cb = c;
+ char *ptr = (char *)s + strlen(s) - 1;
+
+ while (ptr >= s) {
+ if (*ptr == cb) {
+ return ptr;
+ }
+ --ptr;
+ }
+
+ return NULL;
+}