diff options
| -rw-r--r-- | project/common.mk | 1 | ||||
| -rw-r--r-- | src/u16_wcpncpy.c | 27 |
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; +} |