From dd20f8f7ca634d375c54c1f9d27a19bc8ca4f5e1 Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Sat, 9 Feb 2019 14:28:17 -0500 Subject: merge XOPEN identifiers --- src/string/memccpy.c | 20 ++++++++++++++++++++ src/string/strdup.c | 11 +++++++++++ 2 files changed, 31 insertions(+) create mode 100644 src/string/memccpy.c create mode 100644 src/string/strdup.c (limited to 'src/string') diff --git a/src/string/memccpy.c b/src/string/memccpy.c new file mode 100644 index 00000000..a6aa6372 --- /dev/null +++ b/src/string/memccpy.c @@ -0,0 +1,20 @@ +#include + +void *memccpy(void * restrict s1, const void * restrict s2, int c, size_t n) +{ + //__ASSERT_NOOVERLAP(s1, s2, n); + + unsigned char *dst = s1; + const unsigned char *src = s2; + for (size_t i = 0; i < n; i++) { + dst[i] = src[i]; + if (dst[i] == (unsigned char)c) { + return dst + i + 1; + } + } + return NULL; +} + +/* +XOPEN(4) +*/ diff --git a/src/string/strdup.c b/src/string/strdup.c new file mode 100644 index 00000000..2875796c --- /dev/null +++ b/src/string/strdup.c @@ -0,0 +1,11 @@ +#include + +char * strdup(const char *s) +{ + return strndup (s, strlen (s)); +} + +/* +XOPEN(400) +POSIX(200809) +*/ -- cgit v1.2.1