1 files changed, 44 insertions, 0 deletions
diff --git a/src/string/strcoll.c b/src/string/strcoll.c
new file mode 100644
index 00000000..8707ba73
--- /dev/null
+++ b/src/string/strcoll.c
@@ -0,0 +1,44 @@
+#include <string.h>
+#include "stdlib.h"
+#include "nonstd/assert.h"
+
+/** collate strings **/
+int strcoll(const char *s1, const char *s2)
+{
+	char *x1 = NULL;
+	char *x2 = NULL;
+	int ret = 0;
+
+	ASSERT_NONNULL(s1);
+	ASSERT_NONNULL(s2);
+
+	x1 = malloc(strxfrm(x1, s1, 0));
+	x2 = malloc(strxfrm(x2, s2, 0));
+
+	if (x1 && x2) {
+		strxfrm(x1, s1, 0);
+		strxfrm(x2, s2, 0);
+		ret = strcmp(x1, x2);
+	}
+
+	free(x1);
+	free(x2);
+
+	/*
+	RETURN(NEGATIVE, ARGUMENT(s1) collates before ARGUMENT(s2));
+	RETURN(ZERO, ARGUMENT(s1) collates equal to ARGUMENT(s2));
+	RETURN(POSITIVE, ARGUMENT(s1) collates after ARGUMENT(s2));
+	*/
+	return ret;
+}
+
+/***
+compares the collation values of the strings at ARGUMENT(s1) and ARGUMENT(s2).
+***/
+
+/*
+LC_COLLATE
+*/
+/*
+STDC(1)
+*/