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[Qemu-devel] [PATCH 6/7] qemu-img convert: Support multiple -o options
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 6/7] qemu-img convert: Support multiple -o options |
Date: |
Wed, 19 Feb 2014 16:12:57 +0100 |
Multiple -o options has the same meaning as having a single option with
all settings in the order of their respective -o options.
Signed-off-by: Kevin Wolf <address@hidden>
---
qemu-img.c | 44 ++++++++++++++++++++++++++------------------
1 file changed, 26 insertions(+), 18 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index 30273ad..e0d19f8 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1204,6 +1204,9 @@ 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 = NULL;
cache = NULL;
@@ -1223,21 +1226,24 @@ static int img_convert(int argc, char **argv)
case 'f':
if (fmt) {
error_report("-f may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
fmt = optarg;
break;
case 'O':
if (out_fmt) {
error_report("-O may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
out_fmt = optarg;
break;
case 'B':
if (out_baseimg) {
error_report("-B may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
out_baseimg = optarg;
break;
@@ -1247,41 +1253,43 @@ 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':
if (is_help_option(optarg)) {
options_help = true;
} else if (!options) {
- options = optarg;
+ options = g_strdup(optarg);
} else {
- error_report("-o cannot be used multiple times. Please use a "
- "single -o option with comma-separated settings "
- "instead.");
- return 1;
+ options = g_strdup_printf("%s,%s", options, optarg);
}
break;
case 's':
if (sn_opts || snapshot_name) {
error_report("-l/-s may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
snapshot_name = optarg;
break;
case 'l':
if (sn_opts || snapshot_name) {
error_report("-l/-s may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
sn_opts = qemu_opts_parse(&internal_snapshot_opts, optarg, 0);
if (!sn_opts) {
error_report("Failed in parsing snapshot param '%s'",
optarg);
- return 1;
+ ret = -1;
+ goto out;
}
} else {
snapshot_name = optarg;
@@ -1294,7 +1302,8 @@ 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;
@@ -1306,7 +1315,8 @@ static int img_convert(int argc, char **argv)
case 't':
if (cache) {
error_report("-t may only be specified once");
- return 1;
+ ret = -1;
+ goto out;
}
cache = optarg;
break;
@@ -1337,9 +1347,6 @@ 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_help) {
ret = print_block_option_help(out_filename, out_fmt);
goto out;
@@ -1733,6 +1740,7 @@ out:
free_option_parameters(create_options);
free_option_parameters(param);
qemu_vfree(buf);
+ g_free(options);
if (sn_opts) {
qemu_opts_del(sn_opts);
}
--
1.8.1.4
- [Qemu-devel] [PATCH 0/7] qemu-img: Fix handling of multiply specified options, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 2/7] qemu-img convert: Detect options specified more than once, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 1/7] qemu-img create: Detect options specified more than once, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 3/7] qemu-img amend: Detect options specified more than once, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 4/7] qemu-img: Detect options specified more than once, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 5/7] qemu-img create: Support multiple -o options, Kevin Wolf, 2014/02/19
- [Qemu-devel] [PATCH 6/7] qemu-img convert: Support multiple -o options,
Kevin Wolf <=
- [Qemu-devel] [PATCH 7/7] qemu-img amend: Support multiple -o options, Kevin Wolf, 2014/02/19
- Re: [Qemu-devel] [PATCH 0/7] qemu-img: Fix handling of multiply specified options, Markus Armbruster, 2014/02/20