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qemu-img convert: Support multiple -o options 

Instead of ignoring all option values but the last one, multiple -o
options now have the same meaning as having a single option with all
settings in the order of their respective -o options.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2014-02-21 16:24:05 +01:00
parent 77386bf6eb
commit 2dc8328b4c
1 changed files with 25 additions and 9 deletions
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34
qemu-img.c
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@ -1164,6 +1164,9 @@ static int img_convert(int argc, char **argv)
Error *local_err = NULL;
QemuOpts *sn_opts = NULL;
/* Initialize before goto out */
qemu_progress_init(progress, 1.0);
fmt = NULL;
out_fmt = "raw";
cache = "unsafe";
@ -1195,13 +1198,26 @@ static int img_convert(int argc, char **argv)
case 'e':
error_report("option -e is deprecated, please use \'-o "
"encryption\' instead!");
return 1;
ret = -1;
goto out;
case '6':
error_report("option -6 is deprecated, please use \'-o "
"compat6\' instead!");
return 1;
ret = -1;
goto out;
case 'o':
options = optarg;
if (!is_valid_option_list(optarg)) {
error_report("Invalid option list: %s", optarg);
ret = -1;
goto out;
}
if (!options) {
options = g_strdup(optarg);
} else {
char *old_options = options;
options = g_strdup_printf("%s,%s", options, optarg);
g_free(old_options);
}
break;
case 's':
snapshot_name = optarg;
@ -1212,7 +1228,8 @@ static int img_convert(int argc, char **argv)
if (!sn_opts) {
error_report("Failed in parsing snapshot param '%s'",
optarg);
return 1;
ret = -1;
goto out;
}
} else {
snapshot_name = optarg;
@ -1225,7 +1242,8 @@ static int img_convert(int argc, char **argv)
sval = strtosz_suffix(optarg, &end, STRTOSZ_DEFSUFFIX_B);
if (sval < 0 || *end) {
error_report("Invalid minimum zero buffer size for sparse output specified");
return 1;
ret = -1;
goto out;
}
min_sparse = sval / BDRV_SECTOR_SIZE;
@ -1257,10 +1275,7 @@ static int img_convert(int argc, char **argv)
out_filename = argv[argc - 1];
/* Initialize before goto out */
qemu_progress_init(progress, 1.0);
if (options && is_help_option(options)) {
if (options && has_help_option(options)) {
ret = print_block_option_help(out_filename, out_fmt);
goto out;
}
@ -1653,6 +1668,7 @@ out:
free_option_parameters(create_options);
free_option_parameters(param);
qemu_vfree(buf);
g_free(options);
if (sn_opts) {
qemu_opts_del(sn_opts);
}