FreeCalypso > hg > freecalypso-tools

diff target-utils/libc/strncmp.c @ 87:7fb62fc724dc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
target-utils/libc: beginning of newlib-ectomy
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 28 Oct 2016 22:20:26 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/libc/strncmp.c	Fri Oct 28 22:20:26 2016 +0000
@@ -0,0 +1,13 @@
+/*
+ * Compare strings (at most n bytes):  s1>s2: >0  s1==s2: 0  s1<s2: <0
+ */
+
+strncmp(s1, s2, n)
+	register char *s1, *s2;
+	register n;
+{
+	while (--n >= 0 && *s1 == *s2++)
+		if (*s1++ == '\0')
+			return(0);
+	return(n<0 ? 0 : *s1 - *--s2);
+}