@@ -121,6 +121,7 @@ QEMUFile *qemu_bufopen(const char *mode, QEMUSizedBuffer *input);
int qemu_get_fd(QEMUFile *f);
int qemu_fclose(QEMUFile *f);
int64_t qemu_ftell(QEMUFile *f);
+int64_t qemu_ftell_fast(QEMUFile *f);
void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size);
void qemu_put_byte(QEMUFile *f, int v);
/*
@@ -452,6 +452,22 @@ int qemu_get_byte(QEMUFile *f)
return result;
}
+int64_t qemu_ftell_fast(QEMUFile *f)
+{
+ int64_t ret = f->pos;
+ int i;
+
+ if (f->ops->writev_buffer) {
+ for (i = 0; i < f->iovcnt; i++) {
+ ret += f->iov[i].iov_len;
+ }
+ } else {
+ ret += f->buf_index;
+ }
+
+ return ret;
+}
+
int64_t qemu_ftell(QEMUFile *f)
{
qemu_fflush(f);