diff options
| -rw-r--r-- | qemu-img.c | 77 |
1 files changed, 51 insertions, 26 deletions
diff --git a/qemu-img.c b/qemu-img.c index 50cfdda6d5..cc77048f04 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -305,8 +305,9 @@ static int img_create(int argc, char **argv) flags = 0; for(;;) { c = getopt(argc, argv, "F:b:f:he6o:"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -333,8 +334,9 @@ static int img_create(int argc, char **argv) } /* Get the filename */ - if (optind >= argc) + if (optind >= argc) { help(); + } filename = argv[optind++]; if (options && !strcmp(options, "?")) { @@ -471,8 +473,9 @@ static int img_check(int argc, char **argv) fmt = NULL; for(;;) { c = getopt(argc, argv, "f:h"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -482,8 +485,9 @@ static int img_check(int argc, char **argv) break; } } - if (optind >= argc) + if (optind >= argc) { help(); + } filename = argv[optind++]; bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS); @@ -547,8 +551,9 @@ static int img_commit(int argc, char **argv) fmt = NULL; for(;;) { c = getopt(argc, argv, "f:h"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -558,8 +563,9 @@ static int img_commit(int argc, char **argv) break; } } - if (optind >= argc) + if (optind >= argc) { help(); + } filename = argv[optind++]; bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_RDWR); @@ -683,8 +689,9 @@ static int img_convert(int argc, char **argv) flags = 0; for(;;) { c = getopt(argc, argv, "f:O:B:s:hce6o:"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -717,7 +724,9 @@ static int img_convert(int argc, char **argv) } bs_n = argc - optind - 1; - if (bs_n < 1) help(); + if (bs_n < 1) { + help(); + } out_filename = argv[argc - 1]; @@ -905,8 +914,9 @@ static int img_convert(int argc, char **argv) } assert (remainder == 0); - if (n < cluster_sectors) + if (n < cluster_sectors) { memset(buf + n * 512, 0, cluster_size - n * 512); + } if (is_not_zero(buf, cluster_size)) { ret = bdrv_write_compressed(out_bs, sector_num, buf, cluster_sectors); @@ -926,12 +936,14 @@ static int img_convert(int argc, char **argv) sector_num = 0; // total number of sectors converted so far for(;;) { nb_sectors = total_sectors - sector_num; - if (nb_sectors <= 0) + if (nb_sectors <= 0) { break; - if (nb_sectors >= (IO_BUF_SIZE / 512)) + } + if (nb_sectors >= (IO_BUF_SIZE / 512)) { n = (IO_BUF_SIZE / 512); - else + } else { n = nb_sectors; + } while (sector_num - bs_offset >= bs_sectors) { bs_i ++; @@ -943,8 +955,9 @@ static int img_convert(int argc, char **argv) sector_num, bs_i, bs_offset, bs_sectors); */ } - if (n > bs_offset + bs_sectors - sector_num) + if (n > bs_offset + bs_sectors - sector_num) { n = bs_offset + bs_sectors - sector_num; + } if (has_zero_init) { /* If the output image is being created as a copy on write image, @@ -1080,8 +1093,9 @@ static int img_info(int argc, char **argv) fmt = NULL; for(;;) { c = getopt(argc, argv, "f:h"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -1091,8 +1105,9 @@ static int img_info(int argc, char **argv) break; } } - if (optind >= argc) + if (optind >= argc) { help(); + } filename = argv[optind++]; bs = bdrv_new_open(filename, fmt, BDRV_O_FLAGS | BDRV_O_NO_BACKING); @@ -1103,11 +1118,12 @@ static int img_info(int argc, char **argv) bdrv_get_geometry(bs, &total_sectors); get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); allocated_size = get_allocated_file_size(filename); - if (allocated_size < 0) + if (allocated_size < 0) { snprintf(dsize_buf, sizeof(dsize_buf), "unavailable"); - else + } else { get_human_readable_size(dsize_buf, sizeof(dsize_buf), allocated_size); + } printf("image: %s\n" "file format: %s\n" "virtual size: %s (%" PRId64 " bytes)\n" @@ -1115,11 +1131,13 @@ static int img_info(int argc, char **argv) filename, fmt_name, size_buf, (total_sectors * 512), dsize_buf); - if (bdrv_is_encrypted(bs)) + if (bdrv_is_encrypted(bs)) { printf("encrypted: yes\n"); + } if (bdrv_get_info(bs, &bdi) >= 0) { - if (bdi.cluster_size != 0) + if (bdi.cluster_size != 0) { printf("cluster_size: %d\n", bdi.cluster_size); + } } bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename)); if (backing_filename[0] != '\0') { @@ -1152,8 +1170,9 @@ static int img_snapshot(int argc, char **argv) /* Parse commandline parameters */ for(;;) { c = getopt(argc, argv, "la:c:d:h"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -1193,8 +1212,9 @@ static int img_snapshot(int argc, char **argv) } } - if (optind >= argc) + if (optind >= argc) { help(); + } filename = argv[optind++]; /* Open the image */ @@ -1218,23 +1238,26 @@ static int img_snapshot(int argc, char **argv) sn.date_nsec = tv.tv_usec * 1000; ret = bdrv_snapshot_create(bs, &sn); - if (ret) + if (ret) { error("Could not create snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); + } break; case SNAPSHOT_APPLY: ret = bdrv_snapshot_goto(bs, snapshot_name); - if (ret) + if (ret) { error("Could not apply snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); + } break; case SNAPSHOT_DELETE: ret = bdrv_snapshot_delete(bs, snapshot_name); - if (ret) + if (ret) { error("Could not delete snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); + } break; } @@ -1262,8 +1285,9 @@ static int img_rebase(int argc, char **argv) for(;;) { c = getopt(argc, argv, "uhf:F:b:"); - if (c == -1) + if (c == -1) { break; + } switch(c) { case 'h': help(); @@ -1283,8 +1307,9 @@ static int img_rebase(int argc, char **argv) } } - if ((optind >= argc) || !out_baseimg) + if ((optind >= argc) || !out_baseimg) { help(); + } filename = argv[optind++]; /* |