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
file_size(const char * fn)39 int64_t file_size(const char *fn)
40 {
41 HANDLE file;
42 char *data;
43 DWORD sz;
44
45 file = CreateFile( fn,
46 GENERIC_READ,
47 FILE_SHARE_READ,
48 NULL,
49 OPEN_EXISTING,
50 0,
51 NULL );
52
53 if (file == INVALID_HANDLE_VALUE)
54 return -1;
55
56 sz = GetFileSize( file, NULL );
57 CloseHandle( file );
58
59 return sz;
60 }
61
get_my_path(char exe[PATH_MAX])62 void get_my_path(char exe[PATH_MAX])
63 {
64 char* r;
65
66 GetModuleFileName( NULL, exe, PATH_MAX-1 );
67 exe[PATH_MAX-1] = 0;
68 r = strrchr( exe, '\\' );
69 if (r)
70 *r = 0;
71 }
72
73
load_file(const char * fn,unsigned * _sz)74 void *load_file(const char *fn, unsigned *_sz)
75 {
76 HANDLE file;
77 char *data;
78 DWORD sz;
79
80 file = CreateFile( fn,
81 GENERIC_READ,
82 FILE_SHARE_READ,
83 NULL,
84 OPEN_EXISTING,
85 0,
86 NULL );
87
88 if (file == INVALID_HANDLE_VALUE)
89 return NULL;
90
91 sz = GetFileSize( file, NULL );
92 data = NULL;
93
94 if (sz > 0) {
95 data = (char*) malloc( sz );
96 if (data == NULL) {
97 fprintf(stderr, "load_file: could not allocate %ld bytes\n", sz );
98 sz = 0;
99 } else {
100 DWORD out_bytes;
101
102 if ( !ReadFile( file, data, sz, &out_bytes, NULL ) ||
103 out_bytes != sz )
104 {
105 fprintf(stderr, "load_file: could not read %ld bytes from '%s'\n", sz, fn);
106 free(data);
107 data = NULL;
108 sz = 0;
109 }
110 }
111 }
112 CloseHandle( file );
113
114 *_sz = (unsigned) sz;
115 return data;
116 }
117