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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <stdio.h>
     30 #include <stdlib.h>
     31 #include <string.h>
     32 #include <errno.h>
     33 #include <fcntl.h>
     34 #include <unistd.h>
     35 #include <limits.h>
     36 
     37 #include <windows.h>
     38 
     39 void get_my_path(char exe[PATH_MAX])
     40 {
     41 	char*  r;
     42 
     43 	GetModuleFileName( NULL, exe, PATH_MAX-1 );
     44 	exe[PATH_MAX-1] = 0;
     45 	r = strrchr( exe, '\\' );
     46 	if (r)
     47 		*r = 0;
     48 }
     49 
     50 
     51 void *load_file(const char *fn, unsigned *_sz)
     52 {
     53     HANDLE    file;
     54     char     *data;
     55     DWORD     file_size;
     56 
     57     file = CreateFile( fn,
     58                        GENERIC_READ,
     59                        FILE_SHARE_READ,
     60                        NULL,
     61                        OPEN_EXISTING,
     62                        0,
     63                        NULL );
     64 
     65     if (file == INVALID_HANDLE_VALUE)
     66         return NULL;
     67 
     68     file_size = GetFileSize( file, NULL );
     69     data      = NULL;
     70 
     71     if (file_size > 0) {
     72         data = (char*) malloc( file_size );
     73         if (data == NULL) {
     74             fprintf(stderr, "load_file: could not allocate %ld bytes\n", file_size );
     75             file_size = 0;
     76         } else {
     77             DWORD  out_bytes;
     78 
     79             if ( !ReadFile( file, data, file_size, &out_bytes, NULL ) ||
     80                  out_bytes != file_size )
     81             {
     82                 fprintf(stderr, "load_file: could not read %ld bytes from '%s'\n", file_size, fn);
     83                 free(data);
     84                 data      = NULL;
     85                 file_size = 0;
     86             }
     87         }
     88     }
     89     CloseHandle( file );
     90 
     91     *_sz = (unsigned) file_size;
     92     return  data;
     93 }
     94