diff options
| -rw-r--r-- | project/common.mk | 1 | ||||
| -rw-r--r-- | src/u16_wcsncmp.c | 24 |
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; +} |