reactos/tools/wmc/utils.c

   1 /*
   2  * Utility routines
   3  *
   4  * Copyright 1998,2000 Bertho A. Stultiens
   5  *
   6  */
   7
   8 #include "config.h"
   9
  10 #include <windows.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <stdarg.h>
  14 #include <string.h>
  15 #include <assert.h>
  16 #include <ctype.h>
  17
  18 #include "wmctypes.h"
  19 #include "utils.h"
  20 #include "wmc.h"
  21
  22 #define SUPPRESS_YACC_ERROR_MESSAGE
  23
  24 static void generic_msg(const char *s, const char *t, va_list ap)
  25 {
  26         fprintf(stderr, "%s %s: %d, %d: ", t, input_name ? input_name : "stdin", line_number, char_number);
  27         vfprintf(stderr, s, ap);
  28         fprintf(stderr, "\n");
  29 }
  30
  31 /*
  32  * The yyerror routine should not exit because we use the error-token
  33  * to determine the syntactic error in the source. However, YACC
  34  * uses the same routine to print an error just before the error
  35  * token is reduced.
  36  * The extra routine 'xyyerror' is used to exit after giving a real
  37  * message.
  38  */
  39 int yyerror(const char *s, ...)
  40 {
  41 #ifndef SUPPRESS_YACC_ERROR_MESSAGE
  42         va_list ap;
  43         va_start(ap, s);
  44         generic_msg(s, "Yacc error", ap);
  45         va_end(ap);
  46 #endif
  47         return 1;
  48 }
  49
  50 int xyyerror(const char *s, ...)
  51 {
  52         va_list ap;
  53         va_start(ap, s);
  54         generic_msg(s, "Error", ap);
  55         va_end(ap);
  56         exit(1);
  57         return 1;
  58 }
  59
  60 int yywarning(const char *s, ...)
  61 {
  62         va_list ap;
  63         va_start(ap, s);
  64         generic_msg(s, "Warning", ap);
  65         va_end(ap);
  66         return 0;
  67 }
  68
  69 void internal_error(const char *file, int line, const char *s, ...)
  70 {
  71         va_list ap;
  72         va_start(ap, s);
  73         fprintf(stderr, "Internal error (please report) %s %d: ", file, line);
  74         vfprintf(stderr, s, ap);
  75         fprintf(stderr, "\n");
  76         va_end(ap);
  77         exit(3);
  78 }
  79
  80 void error(const char *s, ...)
  81 {
  82         va_list ap;
  83         va_start(ap, s);
  84         fprintf(stderr, "Error: ");
  85         vfprintf(stderr, s, ap);
  86         fprintf(stderr, "\n");
  87         va_end(ap);
  88         exit(2);
  89 }
  90
  91 void warning(const char *s, ...)
  92 {
  93         va_list ap;
  94         va_start(ap, s);
  95         fprintf(stderr, "Warning: ");
  96         vfprintf(stderr, s, ap);
  97         fprintf(stderr, "\n");
  98         va_end(ap);
  99 }
 100
 101 char *dup_basename(const char *name, const char *ext)
 102 {
 103         int namelen;
 104         int extlen = strlen(ext);
 105         char *base;
 106         char *slash;
 107
 108         if(!name)
 109                 name = "wmc.tab";
 110
 111         slash = strrchr(name, '/');
 112         if (slash)
 113                 name = slash + 1;
 114
 115         namelen = strlen(name);
 116
 117         /* +4 for later extension and +1 for '\0' */
 118         base = (char *)xmalloc(namelen +4 +1);
 119         strcpy(base, name);
 120         if(!stricmp(name + namelen-extlen, ext))
 121         {
 122                 base[namelen - extlen] = '\0';
 123         }
 124         return base;
 125 }
 126
 127 void *xmalloc(size_t size)
 128 {
 129     void *res;
 130
 131     assert(size > 0);
 132     assert(size < 102400);
 133     res = malloc(size);
 134     if(res == NULL)
 135     {
 136         error("Virtual memory exhausted.\n");
 137     }
 138     /*
 139      * We set it to 0.
 140      * This is *paramount* because we depend on it
 141      * just about everywhere in the rest of the code.
 142      */
 143     memset(res, 0, size);
 144     return res;
 145 }
 146
 147
 148 void *xrealloc(void *p, size_t size)
 149 {
 150     void *res;
 151
 152     assert(size > 0);
 153     assert(size < 102400);
 154     res = realloc(p, size);
 155     if(res == NULL)
 156     {
 157         error("Virtual memory exhausted.\n");
 158     }
 159     return res;
 160 }
 161
 162 char *xstrdup(const char *str)
 163 {
 164         char *s;
 165
 166         assert(str != NULL);
 167         s = (char *)xmalloc(strlen(str)+1);
 168         return strcpy(s, str);
 169 }
 170
 171 int unistrlen(const WCHAR *s)
 172 {
 173         int n;
 174         for(n = 0; *s; n++, s++)
 175                 ;
 176         return n;
 177 }
 178
 179 WCHAR *unistrcpy(WCHAR *dst, const WCHAR *src)
 180 {
 181         WCHAR *t = dst;
 182         while(*src)
 183                 *t++ = *src++;
 184         *t = 0;
 185         return dst;
 186 }
 187
 188 WCHAR *xunistrdup(const WCHAR * str)
 189 {
 190         WCHAR *s;
 191
 192         assert(str != NULL);
 193         s = (WCHAR *)xmalloc((unistrlen(str)+1) * sizeof(WCHAR));
 194         return unistrcpy(s, str);
 195 }
 196
 197 int unistricmp(const WCHAR *s1, const WCHAR *s2)
 198 {
 199         int i;
 200         int once = 0;
 201         static char warn[] = "Don't know the uppercase equivalent of non acsii characters;"
 202                              "comparison might yield wrong results";
 203         while(*s1 && *s2)
 204         {
 205                 if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
 206                 {
 207                         if(!once)
 208                         {
 209                                 once++;
 210                                 yywarning(warn);
 211                         }
 212                         i = *s1++ - *s2++;
 213                 }
 214                 else
 215                         i = toupper(*s1++) - toupper(*s2++);
 216                 if(i)
 217                         return i;
 218         }
 219
 220         if((*s1 & 0xffff) > 0x7f || (*s2 & 0xffff) > 0x7f)
 221         {
 222                 if(!once)
 223                         yywarning(warn);
 224                 return *s1 - *s2;
 225         }
 226         else
 227                 return  toupper(*s1) - toupper(*s2);
 228 }
 229
 230 int unistrcmp(const WCHAR *s1, const WCHAR *s2)
 231 {
 232         int i;
 233         while(*s1 && *s2)
 234         {
 235                 i = *s1++ - *s2++;
 236                 if(i)
 237                         return i;
 238         }
 239
 240         return *s1 - *s2;
 241 }
 242