From 4546c75d685475d8b9f215b588364e1d1bbd0b79 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Wed, 29 Apr 2020 19:21:29 +0200 Subject: MUCH work in libc Also cleaned up some syscalls etc --- src/userspace/libc/string/strstr.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/userspace/libc/string/strstr.c (limited to 'src/userspace/libc/string/strstr.c') diff --git a/src/userspace/libc/string/strstr.c b/src/userspace/libc/string/strstr.c new file mode 100644 index 0000000..c87f3fc --- /dev/null +++ b/src/userspace/libc/string/strstr.c @@ -0,0 +1,25 @@ +#include +#include + +char *strstr(char *in, char *str) +{ + char c; + u32 len; + + c = *str++; + if (!c) + return (char *)in; + + len = strlen(str); + do { + char sc; + + do { + sc = *in++; + if (!sc) + return (char *)0; + } while (sc != c); + } while (strncmp(in, str, len) != 0); + + return (char *)(in - 1); +} \ No newline at end of file -- cgit v1.2.3