tools/wmc/utils.c

   1 /*
   2  * Utility routines
   3  *
   4  * Copyright 1998,2000 Bertho A. Stultiens
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <assert.h>
  29 #include <ctype.h>
  30
  31 #include "wmctypes.h"
  32 #include "utils.h"
  33 #include "wmc.h"
  34
  35 #define SUPPRESS_YACC_ERROR_MESSAGE
  36
  37 static void generic_msg(const char *s, const char *t, va_list ap)
  38 {
  39         fprintf(stderr, "%s:%d:%d: %s: ", input_name ? input_name : "stdin", line_number, char_number, t);
  40         vfprintf(stderr, s, ap);
  41 }
  42
  43 /*
  44  * The yyerror routine should not exit because we use the error-token
  45  * to determine the syntactic error in the source. However, YACC
  46  * uses the same routine to print an error just before the error
  47  * token is reduced.
  48  * The extra routine 'xyyerror' is used to exit after giving a real
  49  * message.
  50  */
  51 int mcy_error(const char *s, ...)
  52 {
  53 #ifndef SUPPRESS_YACC_ERROR_MESSAGE
  54         va_list ap;
  55         va_start(ap, s);
  56         generic_msg(s, "Yacc error", ap);
  57         va_end(ap);
  58 #endif
  59         return 1;
  60 }
  61
  62 int xyyerror(const char *s, ...)
  63 {
  64         va_list ap;
  65         va_start(ap, s);
  66         generic_msg(s, "Error", ap);
  67         va_end(ap);
  68         exit(1);
  69         return 1;
  70 }
  71
  72 int mcy_warning(const char *s, ...)
  73 {
  74         va_list ap;
  75         va_start(ap, s);
  76         generic_msg(s, "Warning", ap);
  77         va_end(ap);
  78         return 0;
  79 }
  80
  81 void internal_error(const char *file, int line, const char *s, ...)
  82 {
  83         va_list ap;
  84         va_start(ap, s);
  85         fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
  86         vfprintf(stderr, s, ap);
  87         va_end(ap);
  88         exit(3);
  89 }
  90
  91 void error(const char *s, ...)
  92 {
  93         va_list ap;
  94         va_start(ap, s);
  95         fprintf(stderr, "Error: ");
  96         vfprintf(stderr, s, ap);
  97         va_end(ap);
  98         exit(2);
  99 }
 100
 101 void warning(const char *s, ...)
 102 {
 103         va_list ap;
 104         va_start(ap, s);
 105         fprintf(stderr, "Warning: ");
 106         vfprintf(stderr, s, ap);
 107         va_end(ap);
 108 }
 109
 110 char *dup_basename(const char *name, const char *ext)
 111 {
 112         int namelen;
 113         int extlen = strlen(ext);
 114         char *base;
 115         char *slash;
 116
 117         if(!name)
 118                 name = "wmc.tab";
 119
 120         slash = strrchr(name, '/');
 121         if (slash)
 122                 name = slash + 1;
 123
 124         namelen = strlen(name);
 125
 126         /* +4 for later extension and +1 for '\0' */
 127         base = xmalloc(namelen +4 +1);
 128         strcpy(base, name);
 129         if(!strcasecmp(name + namelen-extlen, ext))
 130         {
 131                 base[namelen - extlen] = '\0';
 132         }
 133         return base;
 134 }
 135
 136 void *xmalloc(size_t size)
 137 {
 138     void *res;
 139
 140     assert(size > 0);
 141     assert(size < 102400);
 142     res = malloc(size);
 143     if(res == NULL)
 144     {
 145         error("Virtual memory exhausted.\n");
 146     }
 147     memset(res, 0x55, size);
 148     return res;
 149 }
 150
 151
 152 void *xrealloc(void *p, size_t size)
 153 {
 154     void *res;
 155
 156     assert(size > 0);
 157     assert(size < 102400);
 158     res = realloc(p, size);
 159     if(res == NULL)
 160     {
 161         error("Virtual memory exhausted.\n");
 162     }
 163     return res;
 164 }
 165
 166 char *xstrdup(const char *str)
 167 {
 168         char *s;
 169
 170         assert(str != NULL);
 171         s = xmalloc(strlen(str)+1);
 172         return strcpy(s, str);
 173 }
 174
 175 int unistrlen(const WCHAR *s)
 176 {
 177         int n;
 178         for(n = 0; *s; n++, s++)
 179                 ;
 180         return n;
 181 }
 182
 183 WCHAR *unistrcpy(WCHAR *dst, const WCHAR *src)
 184 {
 185         WCHAR *t = dst;
 186         while(*src)
 187                 *t++ = *src++;
 188         *t = 0;
 189         return dst;
 190 }
 191
 192 WCHAR *xunistrdup(const WCHAR * str)
 193 {
 194         WCHAR *s;
 195
 196         assert(str != NULL);
 197         s = xmalloc((unistrlen(str)+1) * sizeof(WCHAR));
 198         return unistrcpy(s, str);
 199 }
 200
 201 int unistricmp(const WCHAR *s1, const WCHAR *s2)
 202 {
 203         int i;
 204         int once = 0;
 205         static const char warn[] = "Don't know the uppercase equivalent of non acsii characters;"
 206                              "comparison might yield wrong results";
 207         while(*s1 && *s2)
 208         {
 209                 if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
 210                 {
 211                         if(!once)
 212                         {
 213                                 once++;
 214                                 mcy_warning(warn);
 215                         }
 216                         i = *s1++ - *s2++;
 217                 }
 218                 else
 219                         i = toupper(*s1++) - toupper(*s2++);
 220                 if(i)
 221                         return i;
 222         }
 223
 224         if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
 225         {
 226                 if(!once)
 227                         mcy_warning(warn);
 228                 return *s1 - *s2;
 229         }
 230         else
 231                 return  toupper(*s1) - toupper(*s2);
 232 }
 233
 234 int unistrcmp(const WCHAR *s1, const WCHAR *s2)
 235 {
 236         int i;
 237         while(*s1 && *s2)
 238         {
 239                 i = *s1++ - *s2++;
 240                 if(i)
 241                         return i;
 242         }
 243
 244         return *s1 - *s2;
 245 }