From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- sys/libc/strncmp.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 sys/libc/strncmp.c (limited to 'sys/libc/strncmp.c') diff --git a/sys/libc/strncmp.c b/sys/libc/strncmp.c new file mode 100644 index 00000000..089df283 --- /dev/null +++ b/sys/libc/strncmp.c @@ -0,0 +1,22 @@ +/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. +*/ + +#define import_libc +#include + +/* STRNCMP -- Compare up to the first N characters of two strings. -N is +** returned if S1 < S2, 0 if S1 == S2, and +N if S1 > S2. +*/ +int +strncmp ( + char *s1, + char *s2, + int n +) +{ + while (--n >= 0 && *s1 == *s2++) + if (*s1++ == '\0') + return (0); + + return (n < 0 ? 0 : *s1 - *--s2); +} -- cgit