tools/widl/utils.c

   1 /*
   2  * Utility routines
   3  *
   4  * Copyright 1998 Bertho A. Stultiens
   5  * Copyright 2002 Ove Kaaven
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <assert.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <string.h>
  30 #include <assert.h>
  31 #include <ctype.h>
  32
  33 #include "widl.h"
  34 #include "utils.h"
  35 #include "parser.h"
  36
  37 static const int want_near_indication = 0;
  38
  39 static void make_print(char *str)
  40 {
  41         while(*str)
  42         {
  43                 if(!isprint(*str))
  44                         *str = ' ';
  45                 str++;
  46         }
  47 }
  48
  49 static void generic_msg(const char *s, const char *t, const char *n, va_list ap)
  50 {
  51         fprintf(stderr, "%s:%d: %s: ", input_name ? input_name : "stdin", line_number, t);
  52         vfprintf(stderr, s, ap);
  53
  54         if (want_near_indication)
  55         {
  56                 char *cpy;
  57                 if(n)
  58                 {
  59                         cpy = xstrdup(n);
  60                         make_print(cpy);
  61                         fprintf(stderr, " near '%s'", cpy);
  62                         free(cpy);
  63                 }
  64         }
  65
  66         fprintf(stderr, "\n");
  67 }
  68
  69
  70 int parser_error(const char *s, ...)
  71 {
  72         va_list ap;
  73         va_start(ap, s);
  74         generic_msg(s, "Error", parser_text, ap);
  75         va_end(ap);
  76         exit(1);
  77         return 1;
  78 }
  79
  80 int parser_warning(const char *s, ...)
  81 {
  82         va_list ap;
  83         va_start(ap, s);
  84         generic_msg(s, "Warning", parser_text, ap);
  85         va_end(ap);
  86         return 0;
  87 }
  88
  89 void internal_error(const char *file, int line, const char *s, ...)
  90 {
  91         va_list ap;
  92         va_start(ap, s);
  93         fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
  94         vfprintf(stderr, s, ap);
  95         va_end(ap);
  96         exit(3);
  97 }
  98
  99 void error(const char *s, ...)
 100 {
 101         va_list ap;
 102         va_start(ap, s);
 103         fprintf(stderr, "error: ");
 104         vfprintf(stderr, s, ap);
 105         va_end(ap);
 106         exit(2);
 107 }
 108
 109 void warning(const char *s, ...)
 110 {
 111         va_list ap;
 112         va_start(ap, s);
 113         fprintf(stderr, "warning: ");
 114         vfprintf(stderr, s, ap);
 115         va_end(ap);
 116 }
 117
 118 void chat(const char *s, ...)
 119 {
 120         if(debuglevel & DEBUGLEVEL_CHAT)
 121         {
 122                 va_list ap;
 123                 va_start(ap, s);
 124                 fprintf(stderr, "chat: ");
 125                 vfprintf(stderr, s, ap);
 126                 va_end(ap);
 127         }
 128 }
 129
 130 char *dup_basename(const char *name, const char *ext)
 131 {
 132         int namelen;
 133         int extlen = strlen(ext);
 134         char *base;
 135         char *slash;
 136
 137         if(!name)
 138                 name = "widl.tab";
 139
 140         slash = strrchr(name, '/');
 141         if (slash)
 142                 name = slash + 1;
 143
 144         namelen = strlen(name);
 145
 146         /* +4 for later extension and +1 for '\0' */
 147         base = xmalloc(namelen +4 +1);
 148         strcpy(base, name);
 149         if(!strcasecmp(name + namelen-extlen, ext))
 150         {
 151                 base[namelen - extlen] = '\0';
 152         }
 153         return base;
 154 }
 155
 156 void *xmalloc(size_t size)
 157 {
 158     void *res;
 159
 160     assert(size > 0);
 161     res = malloc(size);
 162     if(res == NULL)
 163     {
 164         error("Virtual memory exhausted.\n");
 165     }
 166     memset(res, 0x55, size);
 167     return res;
 168 }
 169
 170
 171 void *xrealloc(void *p, size_t size)
 172 {
 173     void *res;
 174
 175     assert(size > 0);
 176     res = realloc(p, size);
 177     if(res == NULL)
 178     {
 179         error("Virtual memory exhausted.\n");
 180     }
 181     return res;
 182 }
 183
 184 char *xstrdup(const char *str)
 185 {
 186         char *s;
 187
 188         assert(str != NULL);
 189         s = xmalloc(strlen(str)+1);
 190         return strcpy(s, str);
 191 }