initial import of NetBSD tree

1 files changed, 157 insertions, 0 deletions

diff --git a/usr.bin/xlint/lint2/msg.c b/usr.bin/xlint/lint2/msg.c
new file mode 100644
index 00000000000..c55ba96d5d4
--- /dev/null
+++ b/usr.bin/xlint/lint2/msg.c
@@ -0,0 +1,157 @@
+/*	$NetBSD: msg.c,v 1.2 1995/07/03 21:24:56 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995 Jochen Pohl
+ * All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Jochen Pohl for
+ *	The NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char rcsid[] = "$NetBSD: msg.c,v 1.2 1995/07/03 21:24:56 cgd Exp $";
+#endif
+
+#include <string.h>
+
+#include <stdio.h>
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "lint2.h"
+
+
+static	const	char *msgs[] = {
+	"%s used( %s ), but not defined",			      /* 0 */
+	"%s defined( %s ), but never used",			      /* 1 */
+	"%s declared( %s ), but never used or defined",		      /* 2 */
+	"%s multiply defined  \t%s  ::  %s",			      /* 3 */
+	"%s value used inconsistently  \t%s  ::  %s",		      /* 4 */
+	"%s value declared inconsistently  \t%s  ::  %s",	      /* 5 */
+	"%s, arg %d used inconsistently  \t%s  ::  %s",		      /* 6 */
+	"%s: variable # of args  \t%s  ::  %s",			      /* 7 */
+	"%s returns value which is always ignored",		      /* 8 */
+	"%s returns value which is sometimes ignored",		      /* 9 */
+	"%s value is used( %s ), but none returned",		      /* 10 */
+	"%s, arg %d declared inconsistently  \t%s :: %s",	      /* 11 */
+	"%s: variable # of args declared  \t%s  ::  %s",	      /* 12 */
+	"%s: malformed format string  \t%s",			      /* 13 */
+	"%s, arg %d inconsistent with format  \t%s",		      /* 14 */
+	"%s: too few args for format  \t%s",			      /* 15 */
+	"%s: too many args for format  \t%s",			      /* 16 */
+	"%s function value must be declared before use  \t%s  ::  %s",/* 17 */
+};
+
+static	const	char *basename __P((const char *));
+
+#ifdef __STDC__
+void
+msg(int n, ...)
+{
+#else
+void
+msg(va_alist)
+	va_dcl
+	int	n;
+{
+#endif
+	va_list	ap;
+
+#ifdef __STDC__
+	va_start(ap, n);
+#else
+	va_start(ap);
+	n = va_arg(ap, int);
+#endif
+
+	(void)vprintf(msgs[n], ap);
+	(void)printf("\n");
+
+	va_end(ap);
+}
+
+/*
+ * Return a pointer to the last component of a path.
+ */
+static const char *
+basename(path)
+	const	char *path;
+{
+	const	char *cp, *cp1, *cp2;
+
+	if (Fflag)
+		return (path);
+
+	cp = cp1 = cp2 = path;
+	while (*cp != '\0') {
+		if (*cp++ == '/') {
+			cp2 = cp1;
+			cp1 = cp;
+		}
+	}
+	return (*cp1 == '\0' ? cp2 : cp1);
+}
+
+/*
+ * Create a string which describes a position in a source file.
+ */
+const char *
+mkpos(posp)
+	pos_t	*posp;
+{
+	size_t	len;
+	const	char *fn;
+	static	char	*buf;
+	static	size_t	blen = 0;
+	int	qm, src, line;
+
+	if (Hflag && posp->p_src != posp->p_isrc) {
+		src = posp->p_isrc;
+		line = posp->p_iline;
+	} else {
+		src = posp->p_src;
+		line = posp->p_line;
+	}
+	qm = !Hflag && posp->p_src != posp->p_isrc;
+
+	len = strlen(fn = basename(fnames[src]));
+	len += 3 * sizeof (u_short) + 4;
+
+	if (len > blen)
+		buf = xrealloc(buf, blen = len);
+	if (line != 0) {
+		(void)sprintf(buf, "%s%s(%hu)",
+			      fn, qm ? "?" : "", line);
+	} else {
+		(void)sprintf(buf, "%s", fn);
+	}
+
+	return (buf);
+}
+