From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- lib/libc/string/strtok_r.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 lib/libc/string/strtok_r.c (limited to 'lib/libc/string/strtok_r.c') diff --git a/lib/libc/string/strtok_r.c b/lib/libc/string/strtok_r.c new file mode 100644 index 00000000..57555b14 --- /dev/null +++ b/lib/libc/string/strtok_r.c @@ -0,0 +1,37 @@ +#include + +char *strtok_r(char *restrict s, const char *restrict sep, + char **restrict state) +{ + if (s == NULL) { + s = *state; + } + + if (s == NULL) { + return NULL; + } + + while (*s && strchr(sep, *s)) { + s++; + } + + if (*s == '\0') { + *state = NULL; + return NULL; + } + + char *start = s; + + while (*s && strchr(sep, *s) == NULL) { + s++; + } + + if (*s) { + *s = '\0'; + *state = s + 1; + } else { + *state = NULL; + } + + return start; +} -- cgit v1.2.3