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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-03-31 23:37:16 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-03-31 23:37:16 +0000
commit67b915a5dd52a05f8030cd9edc005effd9c8eea5 (patch)
tree247689b53ca52d7d9cb4fc9f7ff65f293b61e01a /block.c
parentbb27c19087ff0847484c111cbaf56a3fa7103684 (diff)
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win32 port (initial patch by kazu)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@692 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'block.c')
-rw-r--r--block.c54
1 files changed, 27 insertions, 27 deletions
diff --git a/block.c b/block.c
index 3886ec0..5ed7a02 100644
--- a/block.c
+++ b/block.c
@@ -21,29 +21,11 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/time.h>
-#include <malloc.h>
-#include <termios.h>
-#include <sys/poll.h>
-#include <errno.h>
-#include <sys/wait.h>
-#include <netinet/in.h>
-
#include "vl.h"
-#define NO_THUNK_TYPE_SIZE
-#include "thunk.h"
+#ifndef _WIN32
+#include <sys/mman.h>
+#endif
#include "cow.h"
@@ -97,11 +79,14 @@ BlockDriverState *bdrv_new(const char *device_name)
int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
{
- int fd, cow_fd;
+ int fd;
int64_t size;
- char template[] = "/tmp/vl.XXXXXX";
struct cow_header_v2 cow_header;
+#ifndef _WIN32
+ char template[] = "/tmp/vl.XXXXXX";
+ int cow_fd;
struct stat st;
+#endif
bs->read_only = 0;
bs->fd = -1;
@@ -110,10 +95,18 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
strcpy(bs->filename, filename);
/* open standard HD image */
+#ifdef _WIN32
+ fd = open(filename, O_RDWR | O_BINARY);
+#else
fd = open(filename, O_RDWR | O_LARGEFILE);
+#endif
if (fd < 0) {
/* read only image on disk */
+#ifdef _WIN32
+ fd = open(filename, O_RDONLY | O_BINARY);
+#else
fd = open(filename, O_RDONLY | O_LARGEFILE);
+#endif
if (fd < 0) {
perror(filename);
goto fail;
@@ -128,8 +121,9 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
fprintf(stderr, "%s: could not read header\n", filename);
goto fail;
}
- if (cow_header.magic == htonl(COW_MAGIC) &&
- cow_header.version == htonl(COW_VERSION)) {
+#ifndef _WIN32
+ if (be32_to_cpu(cow_header.magic) == COW_MAGIC &&
+ be32_to_cpu(cow_header.version) == COW_VERSION) {
/* cow image found */
size = cow_header.size;
#ifndef WORDS_BIGENDIAN
@@ -144,7 +138,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
fprintf(stderr, "%s: could not find original disk image '%s'\n", filename, cow_header.backing_file);
goto fail;
}
- if (st.st_mtime != htonl(cow_header.mtime)) {
+ if (st.st_mtime != be32_to_cpu(cow_header.mtime)) {
fprintf(stderr, "%s: original raw disk image '%s' does not match saved timestamp\n", filename, cow_header.backing_file);
goto fail;
}
@@ -164,13 +158,16 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
bs->cow_bitmap = bs->cow_bitmap_addr + sizeof(cow_header);
bs->cow_sectors_offset = (bs->cow_bitmap_size + 511) & ~511;
snapshot = 0;
- } else {
+ } else
+#endif
+ {
/* standard raw image */
size = lseek64(fd, 0, SEEK_END);
bs->total_sectors = size / 512;
bs->fd = fd;
}
+#ifndef _WIN32
if (snapshot) {
/* create a temporary COW file */
cow_fd = mkstemp(template);
@@ -190,6 +187,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
bs->cow_bitmap = bs->cow_bitmap_addr;
bs->cow_sectors_offset = 0;
}
+#endif
bs->inserted = 1;
@@ -206,9 +204,11 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot)
void bdrv_close(BlockDriverState *bs)
{
if (bs->inserted) {
+#ifndef _WIN32
/* we unmap the mapping so that it is written to the COW file */
if (bs->cow_bitmap_addr)
munmap(bs->cow_bitmap_addr, bs->cow_bitmap_size);
+#endif
if (bs->cow_fd >= 0)
close(bs->cow_fd);
if (bs->fd >= 0)