src/filehelp.cpp

   1 // --------------------------------------------------------
   2 // filehelp.cpp
   3 // --------------------------------------------------------
   4 // Copyright (c) 2003, 2004, Kronoman
   5 // In loving memory of my father
   6 // --------------------------------------------------------
   7 // I use this for reach the datafile searching in common paths
   8 // Is specially useful for datafiles in Windows, because most
   9 // of the time Windows don't start the program in the executable path,
  10 // and the program is unable to find the datafile.
  11 // --------------------------------------------------------
  12
  13 #include <allegro.h>
  14 #include "filehelp.h"
  15 //#include <stdio.h>
  16
  17 // --------------------------------------------------------
  18 // This checks for the filename in several places.
  19 // Returns where the filename is located in buffer
  20 // buffer should be a 2048 bytes char
  21 // If the file is not found, return the filename...
  22 // --------------------------------------------------------
  23 char *where_is_the_filename(char *buffer, const char *filename)
  24 {
  25 char str[2048], str2[2048]; // buffer for path making
  26
  27 // check in current executable path
  28 get_executable_name(str, 2048);
  29 replace_filename(str2, str, filename, 2048);
  30
  31 if (! exists(filename) )
  32  {
  33         if (exists(str2))
  34         {
  35                 usprintf(buffer,"%s", str2);
  36
  37                 //printf("--> %s\n", buffer);
  38
  39                 return buffer;
  40         }
  41         else
  42         {
  43                 get_executable_name(str, 2048);
  44                 replace_filename(str, str, "", 2048);
  45                 if (! find_allegro_resource(str2, filename, get_extension(filename), NULL, NULL, NULL, str, 2048) )
  46                 {
  47                         usprintf(buffer,"%s", str2);
  48
  49                         //printf("--> %s\n", buffer);
  50
  51                         return buffer;
  52                 }
  53         }
  54  }
  55
  56 // default
  57 usprintf(buffer,"%s", filename);
  58
  59 //printf("--> %s\n", buffer);
  60
  61 return buffer;
  62 }