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-rw-r--r--project/common.mk1
-rw-r--r--src/u16_wcsrchr.c24
2 files changed, 25 insertions, 0 deletions
diff --git a/project/common.mk b/project/common.mk
index 4038997..d76be98 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -17,6 +17,7 @@ API_SRCS = \
src/u16_wcscat.c \
src/u16_wcsncat.c \
src/u16_wcschr.c \
+ src/u16_wcsrchr.c \
INTERNAL_SRCS = \
diff --git a/src/u16_wcsrchr.c b/src/u16_wcsrchr.c
new file mode 100644
index 0000000..387854e
--- /dev/null
+++ b/src/u16_wcsrchr.c
@@ -0,0 +1,24 @@
+/*******************************************************************/
+/* u16ports: u16 variants of wide character string functions. */
+/* Copyright (C) 2017 Z. Gilboa */
+/* Released under the Standard MIT License; see COPYING.U16PORTS. */
+/*******************************************************************/
+
+#include <stdint.h>
+#include <u16ports/u16ports.h>
+
+uint16_t * u16_wcsrchr(const uint16_t * src, uint16_t code)
+{
+ const uint16_t * wch;
+
+ wch = src + u16_wcslen(src);
+
+ if (!code)
+ return (uint16_t *)wch;
+
+ for (--wch; wch>=src; wch--)
+ if (*wch == code)
+ return (uint16_t *)wch;
+
+ return 0;
+}