diff options
| -rw-r--r-- | project/common.mk | 1 | ||||
| -rw-r--r-- | src/u16_wcsrchr.c | 24 |
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; +} |