| 1 |
gbeauche |
1.1 |
/*
|
| 2 |
|
|
* util_windows.cpp - Miscellaneous utilities for Win32
|
| 3 |
|
|
*
|
| 4 |
gbeauche |
1.3 |
* Basilisk II (C) 1997-2005 Christian Bauer
|
| 5 |
gbeauche |
1.1 |
*
|
| 6 |
|
|
* Windows platform specific code copyright (C) Lauri Pesonen
|
| 7 |
|
|
*
|
| 8 |
|
|
* This program is free software; you can redistribute it and/or modify
|
| 9 |
|
|
* it under the terms of the GNU General Public License as published by
|
| 10 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
| 11 |
|
|
* (at your option) any later version.
|
| 12 |
|
|
*
|
| 13 |
|
|
* This program is distributed in the hope that it will be useful,
|
| 14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
|
|
* GNU General Public License for more details.
|
| 17 |
|
|
*
|
| 18 |
|
|
* You should have received a copy of the GNU General Public License
|
| 19 |
|
|
* along with this program; if not, write to the Free Software
|
| 20 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 21 |
|
|
*/
|
| 22 |
|
|
|
| 23 |
|
|
#include "sysdeps.h"
|
| 24 |
|
|
#include "util_windows.h"
|
| 25 |
|
|
|
| 26 |
|
|
BOOL exists( const char *path )
|
| 27 |
|
|
{
|
| 28 |
|
|
HFILE h;
|
| 29 |
|
|
bool ret = false;
|
| 30 |
|
|
|
| 31 |
|
|
h = _lopen( path, OF_READ );
|
| 32 |
|
|
if(h != HFILE_ERROR) {
|
| 33 |
|
|
ret = true;
|
| 34 |
|
|
_lclose(h);
|
| 35 |
|
|
}
|
| 36 |
|
|
return(ret);
|
| 37 |
|
|
}
|
| 38 |
|
|
|
| 39 |
|
|
BOOL create_file( const char *path, DWORD size )
|
| 40 |
|
|
{
|
| 41 |
|
|
HANDLE h;
|
| 42 |
|
|
bool ok = false;
|
| 43 |
|
|
|
| 44 |
|
|
h = CreateFile( path,
|
| 45 |
|
|
GENERIC_READ | GENERIC_WRITE,
|
| 46 |
|
|
0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL
|
| 47 |
|
|
);
|
| 48 |
|
|
if(h != INVALID_HANDLE_VALUE) {
|
| 49 |
|
|
if(size == 0) {
|
| 50 |
|
|
ok = true;
|
| 51 |
|
|
} else if(SetFilePointer( h, size, NULL, FILE_BEGIN) != 0xFFFFFFFF) {
|
| 52 |
|
|
if(SetEndOfFile(h)) {
|
| 53 |
|
|
ok = true;
|
| 54 |
|
|
if(SetFilePointer( h, 0, NULL, FILE_BEGIN) != 0xFFFFFFFF) {
|
| 55 |
|
|
DWORD written, zeroed_size = min(1024*1024,size);
|
| 56 |
|
|
char *b = (char *)malloc(zeroed_size);
|
| 57 |
|
|
if(b) {
|
| 58 |
|
|
memset( b, 0, zeroed_size );
|
| 59 |
|
|
WriteFile( h, b, zeroed_size, &written, NULL );
|
| 60 |
|
|
free(b);
|
| 61 |
|
|
}
|
| 62 |
|
|
}
|
| 63 |
|
|
}
|
| 64 |
|
|
}
|
| 65 |
|
|
CloseHandle(h);
|
| 66 |
|
|
}
|
| 67 |
|
|
if(!ok) DeleteFile(path);
|
| 68 |
|
|
return(ok);
|
| 69 |
|
|
}
|
| 70 |
|
|
|
| 71 |
|
|
int32 get_file_size( const char *path )
|
| 72 |
|
|
{
|
| 73 |
|
|
HANDLE h;
|
| 74 |
|
|
DWORD size = 0;
|
| 75 |
|
|
|
| 76 |
|
|
h = CreateFile( path,
|
| 77 |
|
|
GENERIC_READ,
|
| 78 |
|
|
0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL
|
| 79 |
|
|
);
|
| 80 |
|
|
if(h != INVALID_HANDLE_VALUE) {
|
| 81 |
|
|
size = GetFileSize( h, NULL );
|
| 82 |
|
|
CloseHandle(h);
|
| 83 |
|
|
}
|
| 84 |
|
|
return(size);
|
| 85 |
|
|
}
|
| 86 |
gbeauche |
1.2 |
|
| 87 |
|
|
|
| 88 |
|
|
/*
|
| 89 |
|
|
* Thread wrappers
|
| 90 |
|
|
*/
|
| 91 |
|
|
|
| 92 |
|
|
HANDLE create_thread(LPTHREAD_START_ROUTINE start_routine, void *arg)
|
| 93 |
|
|
{
|
| 94 |
|
|
DWORD dwThreadId;
|
| 95 |
|
|
return CreateThread(NULL, 0, start_routine, arg, 0, &dwThreadId);
|
| 96 |
|
|
}
|
| 97 |
|
|
|
| 98 |
|
|
void wait_thread(HANDLE thread)
|
| 99 |
|
|
{
|
| 100 |
|
|
WaitForSingleObject(thread, INFINITE);
|
| 101 |
|
|
CloseHandle(thread);
|
| 102 |
|
|
}
|
| 103 |
|
|
|
| 104 |
|
|
void kill_thread(HANDLE thread)
|
| 105 |
|
|
{
|
| 106 |
|
|
TerminateThread(thread, 0);
|
| 107 |
|
|
}
|
