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-rw-r--r--userland/libc/string/strtok.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/userland/libc/string/strtok.c b/userland/libc/string/strtok.c
new file mode 100644
index 0000000..7b8d0e3
--- /dev/null
+++ b/userland/libc/string/strtok.c
@@ -0,0 +1,26 @@
+#include <string.h>
+
+char *strtok_s;
+
+char *strtok(char *restrict s, const char *restrict sep) {
+ if (s) {
+ strtok_s = s;
+ return strtok(NULL, sep);
+ }
+ if(!strtok_s)
+ return NULL;
+ char *e = strpbrk(strtok_s, sep);
+ if (!e) {
+ char *r = strtok_s;
+ strtok_s = NULL;
+ return r;
+ }
+ *e = '\0';
+ e--;
+ for (; *sep; sep++)
+ e++;
+ e++;
+ char *r = strtok_s;
+ strtok_s = e;
+ return r;
+}