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-rw-r--r--project/common.mk1
-rw-r--r--src/u16_wcpncpy.c27
2 files changed, 28 insertions, 0 deletions
diff --git a/project/common.mk b/project/common.mk
index 5dd6a16..51b2d8f 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -12,6 +12,7 @@ API_SRCS = \
src/u16_wcscpy.c \
src/u16_wcsncpy.c \
src/u16_wcpcpy.c \
+ src/u16_wcpncpy.c \
INTERNAL_SRCS = \
diff --git a/src/u16_wcpncpy.c b/src/u16_wcpncpy.c
new file mode 100644
index 0000000..6ee5d2d
--- /dev/null
+++ b/src/u16_wcpncpy.c
@@ -0,0 +1,27 @@
+/*******************************************************************/
+/* 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_wcpncpy(uint16_t * dst, const uint16_t * src, size_t len)
+{
+ uint16_t * ret;
+ uint16_t * cap;
+ size_t n;
+
+ cap = &dst[len];
+
+ for (n=len; n && *src; n--)
+ *dst++ = *src++;
+
+ ret = *src ? cap : &dst[len-n];
+
+ for (; dst<cap; )
+ *dst++ = 0;
+
+ return ret;
+}