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