NetBSD/usr.bin/xlint/lint2/msg.c
cgd f9356d1960 implement (hack in) symbol (function and variable) renaming, so that
the function renaming tricks currently needed by libc can be tolerated
by lint.  This needs some cleanup, but it appears to work.
1997-11-03 22:36:31 +00:00

159 lines
4.4 KiB
C

/* $NetBSD: msg.c,v 1.3 1997/11/03 22:37:05 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 1.3 1997/11/03 22:37:05 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 */
"%s renamed multiple times \t%s :: %s", /* 18 */
};
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);
}