util_windows.c revision 5ae3f93f3bafbeb1fc9a3324475c58c725749c5e 
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
39void 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
51void *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