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File: [local] / src / usr.bin / m4 / expr.c (download)

Revision 1.17, Fri Jan 20 23:10:19 2006 UTC (18 years, 4 months ago) by espie
Branch: MAIN
CVS Tags: OPENBSD_4_8_BASE, OPENBSD_4_8, OPENBSD_4_7_BASE, OPENBSD_4_7, OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0, OPENBSD_3_9_BASE, OPENBSD_3_9
Changes since 1.16: +2 -2 lines 

use stdint.h where appropriate. okay millert@

/* $OpenBSD: expr.c,v 1.17 2006/01/20 23:10:19 espie Exp $ */
/*
 * Copyright (c) 2004 Marc Espie <espie@cvs.openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#include <stdint.h>
#include <stdio.h>
#include <stddef.h>
#include "mdef.h"
#include "extern.h"

int32_t end_result;
const char *copy_toeval;

extern void yy_scan_string(const char *);
extern int yyparse(void);

int
yyerror(const char *msg)
{
	fprintf(stderr, "m4: %s in expr %s\n", msg, copy_toeval);
	return(0);
}

int 
expr(const char *toeval)
{
	copy_toeval = toeval;
	yy_scan_string(toeval);
	yyparse();
	return end_result;
}