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/strcmp.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 lib/libc/string/strcmp.c (limited to 'lib/libc/string/strcmp.c') diff --git a/lib/libc/string/strcmp.c b/lib/libc/string/strcmp.c new file mode 100644 index 00000000..836522f1 --- /dev/null +++ b/lib/libc/string/strcmp.c @@ -0,0 +1,23 @@ +#include + +int strcmp(const char *s1, const char *s2) +{ + const unsigned char *p1 = (const unsigned char *)s1; + const unsigned char *p2 = (const unsigned char *)s2; + + if (p1 == NULL && p2 == NULL) + return 0; + + if (p1 == NULL) + return -1; + + if (p2 == NULL) + return 1; + + while (*p1 == *p2 && *p1 != '\0') { + p1++; + p2++; + } + + return *p1 - *p2; +} -- cgit v1.2.3