diff options
| -rw-r--r-- | project/common.mk | 1 | ||||
| -rw-r--r-- | src/u16_wcsnlen.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/project/common.mk b/project/common.mk index 66ff3ab..3115329 100644 --- a/project/common.mk +++ b/project/common.mk @@ -4,6 +4,7 @@ API_SRCS = \ src/u16_mbstowcs.c \ src/u16_wcstombs.c \ src/u16_wcslen.c \ + src/u16_wcsnlen.c \ INTERNAL_SRCS = \ diff --git a/src/u16_wcsnlen.c b/src/u16_wcsnlen.c new file mode 100644 index 0000000..d155f89 --- /dev/null +++ b/src/u16_wcsnlen.c @@ -0,0 +1,19 @@ +/*******************************************************************/ +/* 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> + +size_t u16_wcsnlen(const uint16_t * src, size_t len) +{ + const uint16_t * wch = src; + const uint16_t * cap = &src[len]; + + for (; (wch < cap) && *wch; ) + wch++; + + return wch - src; +} |