Source code upload

eoe/cmd/sh/string.c

@@ -0,0 +1,94 @@
+/*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF     	*/
+/*	UNIX System Laboratories, Inc.                     	*/
+/*	The copyright notice above does not evidence any   	*/
+/*	actual or intended publication of such source code.	*/
+
+#ident	"@(#)sh:string.c	1.8.5.1"
+/*
+ * UNIX shell
+ */
+
+#include	"defs.h"
+
+
+/* ========	general purpose string handling ======== */
+
+
+unsigned char *
+movstr(a, b)
+register unsigned char	*a, *b;
+{
+	while (*b++ = *a++);
+	return(--b);
+}
+
+int
+any(c, s)
+register unsigned char	c;
+unsigned char	*s;
+{
+	register unsigned char d;
+
+	while (d = *s++)
+	{
+		if (d == c)
+			return(TRUE);
+	}
+	return(FALSE);
+}
+
+int
+anys(c, s)
+unsigned char *c, *s;
+{
+	wchar_t f, e;
+	register wchar_t d;
+	register int n;
+	if((n = mbtowc(&f, (char *)c, MULTI_BYTE_MAX)) <= 0)
+		return(FALSE);
+	d = f;
+	for(;;) {
+		if((n = mbtowc(&e, (char *)s, MULTI_BYTE_MAX)) <= 0)
+			return(FALSE);
+		if(d == e)
+			return(TRUE);
+		s += n;
+	}
+/*NOTREACHED*/
+}
+
+int
+cf(s1, s2)
+register unsigned char *s1, *s2;
+{
+	while (*s1++ == *s2)
+		if (*s2++ == 0)
+			return(0);
+	return(*--s1 - *s2);
+}
+
+int
+length(as)
+unsigned char	*as;
+{
+	register unsigned char	*s;
+
+	if ((s = as) != (unsigned char *)0)
+		while (*s++);
+	return(s - as);
+}
+
+unsigned char *
+movstrn(a, b, n)
+	register unsigned char *a, *b;
+	register int n;
+{
+	while ((n-- > 0) && *a)
+		*b++ = *a++;
+
+	return(b);
+}