platform_system_core/fastboot/util_windows.c

117 lines
3.2 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <limits.h>
#include <windows.h>
int64_t file_size(const char *fn)
{
HANDLE file;
char *data;
DWORD sz;
file = CreateFile( fn,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL );
if (file == INVALID_HANDLE_VALUE)
return -1;
sz = GetFileSize( file, NULL );
CloseHandle( file );
return sz;
}
void get_my_path(char exe[PATH_MAX])
{
char* r;
GetModuleFileName( NULL, exe, PATH_MAX-1 );
exe[PATH_MAX-1] = 0;
r = strrchr( exe, '\\' );
if (r)
*r = 0;
}
void *load_file(const char *fn, unsigned *_sz)
{
HANDLE file;
char *data;
DWORD sz;
file = CreateFile( fn,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL );
if (file == INVALID_HANDLE_VALUE)
return NULL;
sz = GetFileSize( file, NULL );
data = NULL;
if (sz > 0) {
data = (char*) malloc( sz );
if (data == NULL) {
fprintf(stderr, "load_file: could not allocate %ld bytes\n", sz );
sz = 0;
} else {
DWORD out_bytes;
if ( !ReadFile( file, data, sz, &out_bytes, NULL ) ||
out_bytes != sz )
{
fprintf(stderr, "load_file: could not read %ld bytes from '%s'\n", sz, fn);
free(data);
data = NULL;
sz = 0;
}
}
}
CloseHandle( file );
*_sz = (unsigned) sz;
return data;
}