show real allocated disk image size on Windows (Frediano Ziglio)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1973 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-06-14 15:32:10 +00:00
parent 8f447cc753
commit e8445331b6

View File

@ -23,6 +23,10 @@
*/
#include "vl.h"
#ifdef _WIN32
#include <windows.h>
#endif
void *get_mmap_addr(unsigned long size)
{
return NULL;
@ -598,7 +602,19 @@ static int img_convert(int argc, char **argv)
#ifdef _WIN32
static int64_t get_allocated_file_size(const char *filename)
{
typedef DWORD (WINAPI * get_compressed_t)(const char *filename, DWORD *high);
get_compressed_t get_compressed;
struct _stati64 st;
/* WinNT support GetCompressedFileSize to determine allocate size */
get_compressed = (get_compressed_t) GetProcAddress(GetModuleHandle("kernel32"), "GetCompressedFileSizeA");
if (get_compressed) {
DWORD high, low;
low = get_compressed(filename, &high);
if (low != 0xFFFFFFFFlu || GetLastError() == NO_ERROR)
return (((int64_t) high) << 32) + low;
}
if (_stati64(filename, &st) < 0)
return -1;
return st.st_size;