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authormidipix <writeonce@midipix.org>2017-11-11 23:58:25 -0500
committermidipix <writeonce@midipix.org>2017-11-25 11:30:32 -0500
commit398669eb5695f67946cb25ac00a6d221a5f27d1d (patch)
tree82f471fbb89eb1a71520f0bfeb9046ad56fd43d2
parent0fa33274b0198160a86a11b813f27df4ac25e812 (diff)
downloadu16ports-398669eb5695f67946cb25ac00a6d221a5f27d1d.tar.bz2
u16ports-398669eb5695f67946cb25ac00a6d221a5f27d1d.tar.xz
added u16_wcsncmp().
-rw-r--r--project/common.mk1
-rw-r--r--src/u16_wcsncmp.c24
2 files changed, 25 insertions, 0 deletions
diff --git a/project/common.mk b/project/common.mk
index 7231fba..cccf281 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -8,6 +8,7 @@ API_SRCS = \
src/u16_wcsspn.c \
src/u16_wcscspn.c \
src/u16_wcscmp.c \
+ src/u16_wcsncmp.c \
INTERNAL_SRCS = \
diff --git a/src/u16_wcsncmp.c b/src/u16_wcsncmp.c
new file mode 100644
index 0000000..66bbcb5
--- /dev/null
+++ b/src/u16_wcsncmp.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>
+
+int u16_wcsncmp(const uint16_t * src, const uint16_t * dst, size_t len)
+{
+ const uint16_t * lch;
+ const uint16_t * rch;
+ const uint16_t * cap;
+
+ cap = src + len;
+ lch = src;
+ rch = dst;
+
+ for (; lch<cap && *lch && *rch && *lch==*rch; lch++, rch++)
+ (void)0;
+
+ return (lch == cap) ? 0 : *lch - *rch;
+}