diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 127 |
1 files changed, 62 insertions, 65 deletions
diff --git a/qemu-img.c b/qemu-img.c index 0ff179f00b..0b871d842c 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -41,16 +41,6 @@ typedef struct img_cmd_t { /* Default to cache=writeback as data integrity is not important for qemu-tcg. */ #define BDRV_O_FLAGS BDRV_O_CACHE_WB -static void GCC_FMT_ATTR(1, 2) error(const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "qemu-img: "); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); -} - static void format_print(void *opaque, const char *name) { printf(" %s", name); @@ -197,13 +187,13 @@ static int print_block_option_help(const char *filename, const char *fmt) /* Find driver and parse its options */ drv = bdrv_find_format(fmt); if (!drv) { - error("Unknown file format '%s'", fmt); + error_report("Unknown file format '%s'", fmt); return 1; } proto_drv = bdrv_find_protocol(filename); if (!proto_drv) { - error("Unknown protocol '%s'", filename); + error_report("Unknown protocol '%s'", filename); return 1; } @@ -226,30 +216,30 @@ static BlockDriverState *bdrv_new_open(const char *filename, bs = bdrv_new(""); if (!bs) { - error("Not enough memory"); + error_report("Not enough memory"); goto fail; } if (fmt) { drv = bdrv_find_format(fmt); if (!drv) { - error("Unknown file format '%s'", fmt); + error_report("Unknown file format '%s'", fmt); goto fail; } } else { drv = NULL; } if (bdrv_open(bs, filename, flags, drv) < 0) { - error("Could not open '%s'", filename); + error_report("Could not open '%s'", filename); goto fail; } if (bdrv_is_encrypted(bs)) { printf("Disk image '%s' is encrypted.\n", filename); if (read_password(password, sizeof(password)) < 0) { - error("No password given"); + error_report("No password given"); goto fail; } if (bdrv_set_key(bs, password) < 0) { - error("invalid password"); + error_report("invalid password"); goto fail; } } @@ -267,13 +257,15 @@ static int add_old_style_options(const char *fmt, QEMUOptionParameter *list, { if (base_filename) { if (set_option_parameter(list, BLOCK_OPT_BACKING_FILE, base_filename)) { - error("Backing file not supported for file format '%s'", fmt); + error_report("Backing file not supported for file format '%s'", + fmt); return -1; } } if (base_fmt) { if (set_option_parameter(list, BLOCK_OPT_BACKING_FMT, base_fmt)) { - error("Backing file format not supported for file format '%s'", fmt); + error_report("Backing file format not supported for file " + "format '%s'", fmt); return -1; } } @@ -310,11 +302,11 @@ static int img_create(int argc, char **argv) fmt = optarg; break; case 'e': - error("qemu-img: option -e is deprecated, please use \'-o " + error_report("qemu-img: option -e is deprecated, please use \'-o " "encryption\' instead!"); return 1; case '6': - error("qemu-img: option -6 is deprecated, please use \'-o " + error_report("qemu-img: option -6 is deprecated, please use \'-o " "compat6\' instead!"); return 1; case 'o': @@ -334,9 +326,9 @@ static int img_create(int argc, char **argv) ssize_t sval; sval = strtosz_suffix(argv[optind++], NULL, STRTOSZ_DEFSUFFIX_B); if (sval < 0) { - error("Invalid image size specified! You may use k, M, G or " + error_report("Invalid image size specified! You may use k, M, G or " "T suffixes for "); - error("kilobytes, megabytes, gigabytes and terabytes."); + error_report("kilobytes, megabytes, gigabytes and terabytes."); ret = -1; goto out; } @@ -400,7 +392,7 @@ static int img_check(int argc, char **argv) ret = bdrv_check(bs, &result); if (ret == -ENOTSUP) { - error("This image format does not support checks"); + error_report("This image format does not support checks"); bdrv_delete(bs); return 1; } @@ -482,16 +474,16 @@ static int img_commit(int argc, char **argv) printf("Image committed.\n"); break; case -ENOENT: - error("No disk inserted"); + error_report("No disk inserted"); break; case -EACCES: - error("Image is read-only"); + error_report("Image is read-only"); break; case -ENOTSUP: - error("Image is already committed"); + error_report("Image is already committed"); break; default: - error("Error while committing image"); + error_report("Error while committing image"); break; } @@ -614,11 +606,11 @@ static int img_convert(int argc, char **argv) compress = 1; break; case 'e': - error("qemu-img: option -e is deprecated, please use \'-o " + error_report("qemu-img: option -e is deprecated, please use \'-o " "encryption\' instead!"); return 1; case '6': - error("qemu-img: option -6 is deprecated, please use \'-o " + error_report("qemu-img: option -6 is deprecated, please use \'-o " "compat6\' instead!"); return 1; case 'o': @@ -643,7 +635,8 @@ static int img_convert(int argc, char **argv) } if (bs_n > 1 && out_baseimg) { - error("-B makes no sense when concatenating multiple input images"); + error_report("-B makes no sense when concatenating multiple input " + "images"); ret = -1; goto out; } @@ -654,7 +647,7 @@ static int img_convert(int argc, char **argv) for (bs_i = 0; bs_i < bs_n; bs_i++) { bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt, BDRV_O_FLAGS); if (!bs[bs_i]) { - error("Could not open '%s'", argv[optind + bs_i]); + error_report("Could not open '%s'", argv[optind + bs_i]); ret = -1; goto out; } @@ -664,12 +657,12 @@ static int img_convert(int argc, char **argv) if (snapshot_name != NULL) { if (bs_n > 1) { - error("No support for concatenating multiple snapshot\n"); + error_report("No support for concatenating multiple snapshot\n"); ret = -1; goto out; } if (bdrv_snapshot_load_tmp(bs[0], snapshot_name) < 0) { - error("Failed to load snapshot\n"); + error_report("Failed to load snapshot\n"); ret = -1; goto out; } @@ -678,14 +671,14 @@ static int img_convert(int argc, char **argv) /* Find driver and parse its options */ drv = bdrv_find_format(out_fmt); if (!drv) { - error("Unknown file format '%s'", out_fmt); + error_report("Unknown file format '%s'", out_fmt); ret = -1; goto out; } proto_drv = bdrv_find_protocol(out_filename); if (!proto_drv) { - error("Unknown protocol '%s'", out_filename); + error_report("Unknown protocol '%s'", out_filename); ret = -1; goto out; } @@ -698,7 +691,7 @@ static int img_convert(int argc, char **argv) if (options) { param = parse_option_parameters(options, create_options, param); if (param == NULL) { - error("Invalid options for file format '%s'.", out_fmt); + error_report("Invalid options for file format '%s'.", out_fmt); ret = -1; goto out; } @@ -724,13 +717,14 @@ static int img_convert(int argc, char **argv) get_option_parameter(param, BLOCK_OPT_ENCRYPT); if (!drv->bdrv_write_compressed) { - error("Compression not supported for this file format"); + error_report("Compression not supported for this file format"); ret = -1; goto out; } if (encryption && encryption->value.n) { - error("Compression and encryption not supported at the same time"); + error_report("Compression and encryption not supported at " + "the same time"); ret = -1; goto out; } @@ -740,11 +734,14 @@ static int img_convert(int argc, char **argv) ret = bdrv_create(drv, out_filename, param); if (ret < 0) { if (ret == -ENOTSUP) { - error("Formatting not supported for file format '%s'", out_fmt); + error_report("Formatting not supported for file format '%s'", + out_fmt); } else if (ret == -EFBIG) { - error("The image size is too large for file format '%s'", out_fmt); + error_report("The image size is too large for file format '%s'", + out_fmt); } else { - error("%s: error while converting %s: %s", out_filename, out_fmt, strerror(-ret)); + error_report("%s: error while converting %s: %s", + out_filename, out_fmt, strerror(-ret)); } goto out; } @@ -764,12 +761,12 @@ static int img_convert(int argc, char **argv) if (compress) { ret = bdrv_get_info(out_bs, &bdi); if (ret < 0) { - error("could not get block driver info"); + error_report("could not get block driver info"); goto out; } cluster_size = bdi.cluster_size; if (cluster_size <= 0 || cluster_size > IO_BUF_SIZE) { - error("invalid cluster size"); + error_report("invalid cluster size"); ret = -1; goto out; } @@ -810,7 +807,7 @@ static int img_convert(int argc, char **argv) ret = bdrv_read(bs[bs_i], bs_num, buf2, nlow); if (ret < 0) { - error("error while reading"); + error_report("error while reading"); goto out; } @@ -828,7 +825,7 @@ static int img_convert(int argc, char **argv) ret = bdrv_write_compressed(out_bs, sector_num, buf, cluster_sectors); if (ret != 0) { - error("error while compressing sector %" PRId64, + error_report("error while compressing sector %" PRId64, sector_num); goto out; } @@ -887,7 +884,7 @@ static int img_convert(int argc, char **argv) ret = bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n); if (ret < 0) { - error("error while reading"); + error_report("error while reading"); goto out; } /* NOTE: at the same time we convert, we do not write zero @@ -906,7 +903,7 @@ static int img_convert(int argc, char **argv) is_allocated_sectors(buf1, n, &n1)) { ret = bdrv_write(out_bs, sector_num, buf1, n1); if (ret < 0) { - error("error while writing"); + error_report("error while writing"); goto out; } } @@ -1148,7 +1145,7 @@ static int img_snapshot(int argc, char **argv) ret = bdrv_snapshot_create(bs, &sn); if (ret) { - error("Could not create snapshot '%s': %d (%s)", + error_report("Could not create snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); } break; @@ -1156,7 +1153,7 @@ static int img_snapshot(int argc, char **argv) case SNAPSHOT_APPLY: ret = bdrv_snapshot_goto(bs, snapshot_name); if (ret) { - error("Could not apply snapshot '%s': %d (%s)", + error_report("Could not apply snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); } break; @@ -1164,7 +1161,7 @@ static int img_snapshot(int argc, char **argv) case SNAPSHOT_DELETE: ret = bdrv_snapshot_delete(bs, snapshot_name); if (ret) { - error("Could not delete snapshot '%s': %d (%s)", + error_report("Could not delete snapshot '%s': %d (%s)", snapshot_name, ret, strerror(-ret)); } break; @@ -1241,7 +1238,7 @@ static int img_rebase(int argc, char **argv) if (!unsafe && bs->backing_format[0] != '\0') { old_backing_drv = bdrv_find_format(bs->backing_format); if (old_backing_drv == NULL) { - error("Invalid format name: '%s'", bs->backing_format); + error_report("Invalid format name: '%s'", bs->backing_format); ret = -1; goto out; } @@ -1250,7 +1247,7 @@ static int img_rebase(int argc, char **argv) if (out_basefmt != NULL) { new_backing_drv = bdrv_find_format(out_basefmt); if (new_backing_drv == NULL) { - error("Invalid format name: '%s'", out_basefmt); + error_report("Invalid format name: '%s'", out_basefmt); ret = -1; goto out; } @@ -1269,7 +1266,7 @@ static int img_rebase(int argc, char **argv) ret = bdrv_open(bs_old_backing, backing_name, BDRV_O_FLAGS, old_backing_drv); if (ret) { - error("Could not open old backing file '%s'", backing_name); + error_report("Could not open old backing file '%s'", backing_name); goto out; } @@ -1277,7 +1274,7 @@ static int img_rebase(int argc, char **argv) ret = bdrv_open(bs_new_backing, out_baseimg, BDRV_O_FLAGS, new_backing_drv); if (ret) { - error("Could not open new backing file '%s'", out_baseimg); + error_report("Could not open new backing file '%s'", out_baseimg); goto out; } } @@ -1321,12 +1318,12 @@ static int img_rebase(int argc, char **argv) /* Read old and new backing file */ ret = bdrv_read(bs_old_backing, sector, buf_old, n); if (ret < 0) { - error("error while reading from old backing file"); + error_report("error while reading from old backing file"); goto out; } ret = bdrv_read(bs_new_backing, sector, buf_new, n); if (ret < 0) { - error("error while reading from new backing file"); + error_report("error while reading from new backing file"); goto out; } @@ -1342,7 +1339,7 @@ static int img_rebase(int argc, char **argv) ret = bdrv_write(bs, sector + written, buf_old + written * 512, pnum); if (ret < 0) { - error("Error while writing to COW image: %s", + error_report("Error while writing to COW image: %s", strerror(-ret)); goto out; } @@ -1363,10 +1360,10 @@ static int img_rebase(int argc, char **argv) */ ret = bdrv_change_backing_file(bs, out_baseimg, out_basefmt); if (ret == -ENOSPC) { - error("Could not change the backing file to '%s': No space left in " - "the file header", out_baseimg); + error_report("Could not change the backing file to '%s': No " + "space left in the file header", out_baseimg); } else if (ret < 0) { - error("Could not change the backing file to '%s': %s", + error_report("Could not change the backing file to '%s': %s", out_baseimg, strerror(-ret)); } @@ -1465,7 +1462,7 @@ static int img_resize(int argc, char **argv) total_size = n; } if (total_size <= 0) { - error("New image size must be positive"); + error_report("New image size must be positive"); ret = -1; goto out; } @@ -1476,13 +1473,13 @@ static int img_resize(int argc, char **argv) printf("Image resized.\n"); break; case -ENOTSUP: - error("This image format does not support resize"); + error_report("This image format does not support resize"); break; case -EACCES: - error("Image is read-only"); + error_report("Image is read-only"); break; default: - error("Error resizing image (%d)", -ret); + error_report("Error resizing image (%d)", -ret); break; } out: |