67     QCowSnapshot *sn;  in qcow2_read_snapshots()  local
85         sn = s->snapshots + i;  in qcow2_read_snapshots()
86         sn->l1_table_offset = be64_to_cpu(h.l1_table_offset);  in qcow2_read_snapshots()
87         sn->l1_size = be32_to_cpu(h.l1_size);  in qcow2_read_snapshots()
88         sn->vm_state_size = be32_to_cpu(h.vm_state_size);  in qcow2_read_snapshots()
89         sn->date_sec = be32_to_cpu(h.date_sec);  in qcow2_read_snapshots()
90         sn->date_nsec = be32_to_cpu(h.date_nsec);  in qcow2_read_snapshots()
91         sn->vm_clock_nsec = be64_to_cpu(h.vm_clock_nsec);  in qcow2_read_snapshots()
99         sn->id_str = qemu_malloc(id_str_size + 1);  in qcow2_read_snapshots()
100         if (bdrv_pread(bs->file, offset, sn->id_str, id_str_size) != id_str_size)  in qcow2_read_snapshots()
103         sn->id_str[id_str_size] = '\0';  in qcow2_read_snapshots()
105         sn->name = qemu_malloc(name_size + 1);  in qcow2_read_snapshots()
106         if (bdrv_pread(bs->file, offset, sn->name, name_size) != name_size)  in qcow2_read_snapshots()
109         sn->name[name_size] = '\0';  in qcow2_read_snapshots()
122     QCowSnapshot *sn;  in qcow_write_snapshots()  local
132         sn = s->snapshots + i;  in qcow_write_snapshots()
135         offset += strlen(sn->id_str);  in qcow_write_snapshots()
136         offset += strlen(sn->name);  in qcow_write_snapshots()
147         sn = s->snapshots + i;  in qcow_write_snapshots()
149         h.l1_table_offset = cpu_to_be64(sn->l1_table_offset);  in qcow_write_snapshots()
150         h.l1_size = cpu_to_be32(sn->l1_size);  in qcow_write_snapshots()
151         h.vm_state_size = cpu_to_be32(sn->vm_state_size);  in qcow_write_snapshots()
152         h.date_sec = cpu_to_be32(sn->date_sec);  in qcow_write_snapshots()
153         h.date_nsec = cpu_to_be32(sn->date_nsec);  in qcow_write_snapshots()
154         h.vm_clock_nsec = cpu_to_be64(sn->vm_clock_nsec);  in qcow_write_snapshots()
156         id_str_size = strlen(sn->id_str);  in qcow_write_snapshots()
157         name_size = strlen(sn->name);  in qcow_write_snapshots()
164         if (bdrv_pwrite_sync(bs->file, offset, sn->id_str, id_str_size) < 0)  in qcow_write_snapshots()
167         if (bdrv_pwrite_sync(bs->file, offset, sn->name, name_size) < 0)  in qcow_write_snapshots()
195     QCowSnapshot *sn;  in find_new_snapshot_id()  local
199         sn = s->snapshots + i;  in find_new_snapshot_id()
200         id = strtoul(sn->id_str, NULL, 10);  in find_new_snapshot_id()
238     QCowSnapshot *snapshots1, sn1, *sn = &sn1;  in qcow2_snapshot_create()  local
243     memset(sn, 0, sizeof(*sn));  in qcow2_snapshot_create()
254     sn->id_str = qemu_strdup(sn_info->id_str);  in qcow2_snapshot_create()
255     if (!sn->id_str)  in qcow2_snapshot_create()
257     sn->name = qemu_strdup(sn_info->name);  in qcow2_snapshot_create()
258     if (!sn->name)  in qcow2_snapshot_create()
260     sn->vm_state_size = sn_info->vm_state_size;  in qcow2_snapshot_create()
261     sn->date_sec = sn_info->date_sec;  in qcow2_snapshot_create()
262     sn->date_nsec = sn_info->date_nsec;  in qcow2_snapshot_create()
263     sn->vm_clock_nsec = sn_info->vm_clock_nsec;  in qcow2_snapshot_create()
275     sn->l1_table_offset = l1_table_offset;  in qcow2_snapshot_create()
276     sn->l1_size = s->l1_size;  in qcow2_snapshot_create()
287     if (bdrv_pwrite_sync(bs->file, sn->l1_table_offset,  in qcow2_snapshot_create()
299     s->snapshots[s->nb_snapshots++] = *sn;  in qcow2_snapshot_create()
308     qemu_free(sn->name);  in qcow2_snapshot_create()
317     QCowSnapshot *sn;  in qcow2_snapshot_goto()  local
323     sn = &s->snapshots[snapshot_index];  in qcow2_snapshot_goto()
328     if (qcow2_grow_l1_table(bs, sn->l1_size) < 0)  in qcow2_snapshot_goto()
331     s->l1_size = sn->l1_size;  in qcow2_snapshot_goto()
334     if (bdrv_pread(bs->file, sn->l1_table_offset,  in qcow2_snapshot_goto()
358     QCowSnapshot *sn;  in qcow2_snapshot_delete()  local
364     sn = &s->snapshots[snapshot_index];  in qcow2_snapshot_delete()
366     ret = qcow2_update_snapshot_refcount(bs, sn->l1_table_offset, sn->l1_size, -1);  in qcow2_snapshot_delete()
373     qcow2_free_clusters(bs, sn->l1_table_offset, sn->l1_size * sizeof(uint64_t));  in qcow2_snapshot_delete()
375     qemu_free(sn->id_str);  in qcow2_snapshot_delete()
376     qemu_free(sn->name);  in qcow2_snapshot_delete()
377     memmove(sn, sn + 1, (s->nb_snapshots - snapshot_index - 1) * sizeof(*sn));  in qcow2_snapshot_delete()
394     QCowSnapshot *sn;  in qcow2_snapshot_list()  local
405         sn = s->snapshots + i;  in qcow2_snapshot_list()
407                 sn->id_str);  in qcow2_snapshot_list()
409                 sn->name);  in qcow2_snapshot_list()
410         sn_info->vm_state_size = sn->vm_state_size;  in qcow2_snapshot_list()
411         sn_info->date_sec = sn->date_sec;  in qcow2_snapshot_list()
412         sn_info->date_nsec = sn->date_nsec;  in qcow2_snapshot_list()
413         sn_info->vm_clock_nsec = sn->vm_clock_nsec;  in qcow2_snapshot_list()