Home | History | Annotate | Line # | Download | only in menuc 
      1 /*	$NetBSD: util.c,v 1.6 2019/06/23 22:46:53 christos Exp $	*/
      2 
      3 /*
      4  * Copyright 1997 Piermont Information Systems Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Philip A. Nelson for Piermont Information Systems Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
     18  *    or promote products derived from this software without specific prior
     19  *    written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
     22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
     25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     31  * THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 /* util.c - utility routines. */
     36 
     37 #if HAVE_NBTOOL_CONFIG_H
     38 #include "nbtool_config.h"
     39 #endif
     40 
     41 #include <sys/cdefs.h>
     42 
     43 #if defined(__RCSID) && !defined(lint)
     44 __RCSID("$NetBSD: util.c,v 1.6 2019/06/23 22:46:53 christos Exp $");
     45 #endif
     46 
     47 #include <stdio.h>
     48 #include <stdlib.h>
     49 #include <string.h>
     50 #include <stdarg.h>
     51 #include "defs.h"
     52 
     53 /* Error routine */
     54 void
     55 yyerror(const char *fmt, ...)
     56 {
     57 	va_list args;
     58 
     59 	va_start(args, fmt);
     60 	printf("%s:%d: ", src_name, line_no);
     61 	vfprintf(stdout, fmt, args);
     62 	printf("\n");
     63 	va_end(args);
     64 	had_errors = TRUE;
     65 }
     66 
     67 /* Buffer routines */
     68 static char *mc_buff = NULL;
     69 static int mc_size = 0;
     70 static int mc_loc = 0;
     71 
     72 void
     73 buff_add_ch(char ch)
     74 {
     75 	char *t;
     76 
     77 	if (mc_loc >= mc_size-1) {
     78 		if (mc_size == 0)
     79 			mc_size = 80;
     80 		else
     81 			mc_size *= 2;
     82 		t = malloc(mc_size);
     83 		if (t == NULL) {
     84 			(void)fprintf(stderr, "%s:%d: Malloc error\n",
     85 					 src_name, line_no);
     86 			exit(1);
     87 		}
     88 		if (mc_buff != NULL) {
     89 			strcpy(t, mc_buff);
     90 			free(mc_buff);
     91 		}
     92 		mc_buff = t;
     93 	}
     94 	mc_buff[mc_loc++] = ch;
     95 	mc_buff[mc_loc] = '\0';
     96 }
     97 
     98 /* get a copy of the string ! */
     99 char *
    100 buff_copy(void)
    101 {
    102 	char *res = strdup(mc_buff);
    103 
    104 	mc_loc = 0;
    105 	mc_buff[0] = '\0';
    106 	return res;
    107 }
    108