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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-08-03 21:14:23 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2004-08-03 21:14:23 +0000
commitd5249393efe472d50eb027e286566a57ba868bf2 (patch)
tree9b2d458d5b8ffa815b2b2b007ca44d448d334cff /block.c
parent11c0315f9bd7d5e0e368f058c4ea58fb6c798728 (diff)
downloadqemu-d5249393efe472d50eb027e286566a57ba868bf2.tar.gz
64 bit file I/O by default
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1040 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'block.c')
-rw-r--r--block.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/block.c b/block.c
index 43b0188142..8dea3c9320 100644
--- a/block.c
+++ b/block.c
@@ -71,14 +71,22 @@ int bdrv_create(BlockDriver *drv,
return drv->bdrv_create(filename, size_in_sectors, backing_file, flags);
}
-/* XXX: race condition possible */
+#ifdef _WIN32
+static void get_tmp_filename(char *filename, int size)
+{
+ /* XXX: find a better function */
+ tmpnam(filename);
+}
+#else
static void get_tmp_filename(char *filename, int size)
{
int fd;
+ /* XXX: race condition possible */
pstrcpy(filename, size, "/tmp/vl.XXXXXX");
fd = mkstemp(filename);
close(fd);
}
+#endif
static BlockDriver *find_image_format(const char *filename)
{
@@ -514,7 +522,7 @@ static int raw_open(BlockDriverState *bs, const char *filename)
return -1;
bs->read_only = 1;
}
- size = lseek64(fd, 0, SEEK_END);
+ size = lseek(fd, 0, SEEK_END);
bs->total_sectors = size / 512;
s->fd = fd;
return 0;
@@ -526,7 +534,7 @@ static int raw_read(BlockDriverState *bs, int64_t sector_num,
BDRVRawState *s = bs->opaque;
int ret;
- lseek64(s->fd, sector_num * 512, SEEK_SET);
+ lseek(s->fd, sector_num * 512, SEEK_SET);
ret = read(s->fd, buf, nb_sectors * 512);
if (ret != nb_sectors * 512)
return -1;
@@ -539,7 +547,7 @@ static int raw_write(BlockDriverState *bs, int64_t sector_num,
BDRVRawState *s = bs->opaque;
int ret;
- lseek64(s->fd, sector_num * 512, SEEK_SET);
+ lseek(s->fd, sector_num * 512, SEEK_SET);
ret = write(s->fd, buf, nb_sectors * 512);
if (ret != nb_sectors * 512)
return -1;
@@ -564,7 +572,7 @@ static int raw_create(const char *filename, int64_t total_size,
0644);
if (fd < 0)
return -EIO;
- ftruncate64(fd, total_size * 512);
+ ftruncate(fd, total_size * 512);
close(fd);
return 0;
}