*/
#include "qemu/osdep.h"
-#include "qemu-common.h"
+#include "qapi/error.h"
#include "qemu/uri.h"
#include "qemu/error-report.h"
#include "qemu/sockets.h"
#include "block/block_int.h"
#include "sysemu/block-backend.h"
#include "qemu/bitops.h"
+#include "qemu/cutils.h"
#define SD_PROTO_VER 0x01
void *buf = NULL;
int ret;
- blk = blk_new_open("image-prealloc", filename, NULL, NULL,
+ blk = blk_new_open(filename, NULL, NULL,
BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_PROTOCOL,
errp);
if (blk == NULL) {
goto out;
}
- blk = blk_new_open("backing", backing_file, NULL, NULL,
+ blk = blk_new_open(backing_file, NULL, NULL,
BDRV_O_PROTOCOL | BDRV_O_CACHE_WB, errp);
if (blk == NULL) {
ret = -EIO;
const char *name,
Error **errp)
{
- uint32_t snap_id = 0;
+ unsigned long snap_id = 0;
char snap_tag[SD_MAX_VDI_TAG_LEN];
Error *local_err = NULL;
int fd, ret;
memset(buf, 0, sizeof(buf));
memset(snap_tag, 0, sizeof(snap_tag));
pstrcpy(buf, SD_MAX_VDI_LEN, s->name);
- if (qemu_strtoul(snapshot_id, NULL, 10, (unsigned long *)&snap_id)) {
- return -1;
+ ret = qemu_strtoul(snapshot_id, NULL, 10, &snap_id);
+ if (ret || snap_id > UINT32_MAX) {
+ error_setg(errp, "Invalid snapshot ID: %s",
+ snapshot_id ? snapshot_id : "<null>");
+ return -EINVAL;
}
if (snap_id) {
- hdr.snapid = snap_id;
+ hdr.snapid = (uint32_t) snap_id;
} else {
pstrcpy(snap_tag, sizeof(snap_tag), snapshot_id);
pstrcpy(buf + SD_MAX_VDI_LEN, SD_MAX_VDI_TAG_LEN, snap_tag);