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charset="utf-8" Use common code and simplify error message Signed-off-by: Michael Tokarev --- qemu-img.c | 63 ++++++++++++++++-------------------------------------- 1 file changed, 18 insertions(+), 45 deletions(-) diff --git a/qemu-img.c b/qemu-img.c index 7668f86769..eb6017d339 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -126,6 +126,17 @@ void unrecognized_option(const char *option) error_exit("unrecognized option '%s'", option); } =20 +static OutputFormat parse_output_format(const char *arg) +{ + if (!strcmp(arg, "json")) { + return OFORMAT_JSON; + } else if (!strcmp(arg, "human")) { + return OFORMAT_HUMAN; + } else { + error_exit("--output expects 'human' or 'json' not '%s'", arg); + } +} + /* Please keep in synch with docs/tools/qemu-img.rst */ static G_NORETURN void help(void) @@ -720,7 +731,7 @@ static int img_check(int argc, char **argv) { int c, ret; OutputFormat output_format =3D OFORMAT_HUMAN; - const char *filename, *fmt, *output, *cache; + const char *filename, *fmt, *cache; BlockBackend *blk; BlockDriverState *bs; int fix =3D 0; @@ -732,7 +743,6 @@ static int img_check(int argc, char **argv) bool force_share =3D false; =20 fmt =3D NULL; - output =3D NULL; cache =3D BDRV_DEFAULT_CACHE; =20 for(;;) { @@ -778,7 +788,7 @@ static int img_check(int argc, char **argv) } break; case OPTION_OUTPUT: - output =3D optarg; + output_format =3D parse_output_format(optarg); break; case 'T': cache =3D optarg; @@ -802,15 +812,6 @@ static int img_check(int argc, char **argv) } filename =3D argv[optind++]; =20 - if (output && !strcmp(output, "json")) { - output_format =3D OFORMAT_JSON; - } else if (output && !strcmp(output, "human")) { - output_format =3D OFORMAT_HUMAN; - } else if (output) { - error_report("--output must be used with human or json as argument= ."); - return 1; - } - ret =3D bdrv_parse_cache_mode(cache, &flags, &writethrough); if (ret < 0) { error_report("Invalid source cache option: %s", cache); @@ -3004,13 +3005,12 @@ static int img_info(int argc, char **argv) int c; OutputFormat output_format =3D OFORMAT_HUMAN; bool chain =3D false; - const char *filename, *fmt, *output; + const char *filename, *fmt; BlockGraphInfoList *list; bool image_opts =3D false; bool force_share =3D false; =20 fmt =3D NULL; - output =3D NULL; for(;;) { int option_index =3D 0; static const struct option long_options[] =3D { @@ -3045,7 +3045,7 @@ static int img_info(int argc, char **argv) force_share =3D true; break; case OPTION_OUTPUT: - output =3D optarg; + output_format =3D parse_output_format(optarg); break; case OPTION_BACKING_CHAIN: chain =3D true; @@ -3063,15 +3063,6 @@ static int img_info(int argc, char **argv) } filename =3D argv[optind++]; =20 - if (output && !strcmp(output, "json")) { - output_format =3D OFORMAT_JSON; - } else if (output && !strcmp(output, "human")) { - output_format =3D OFORMAT_HUMAN; - } else if (output) { - error_report("--output must be used with human or json as argument= ."); - return 1; - } - list =3D collect_image_info_list(image_opts, filename, fmt, chain, force_share); if (!list) { @@ -3230,7 +3221,7 @@ static int img_map(int argc, char **argv) OutputFormat output_format =3D OFORMAT_HUMAN; BlockBackend *blk; BlockDriverState *bs; - const char *filename, *fmt, *output; + const char *filename, *fmt; int64_t length; MapEntry curr =3D { .length =3D 0 }, next; int ret =3D 0; @@ -3240,7 +3231,6 @@ static int img_map(int argc, char **argv) int64_t max_length =3D -1; =20 fmt =3D NULL; - output =3D NULL; for (;;) { int option_index =3D 0; static const struct option long_options[] =3D { @@ -3276,7 +3266,7 @@ static int img_map(int argc, char **argv) force_share =3D true; break; case OPTION_OUTPUT: - output =3D optarg; + output_format =3D parse_output_format(optarg); break; case 's': start_offset =3D cvtnum("start offset", optarg); @@ -3303,15 +3293,6 @@ static int img_map(int argc, char **argv) } filename =3D argv[optind]; =20 - if (output && !strcmp(output, "json")) { - output_format =3D OFORMAT_JSON; - } else if (output && !strcmp(output, "human")) { - output_format =3D OFORMAT_HUMAN; - } else if (output) { - error_report("--output must be used with human or json as argument= ."); - return 1; - } - blk =3D img_open(image_opts, filename, fmt, 0, false, false, force_sha= re); if (!blk) { return 1; @@ -5411,15 +5392,7 @@ static int img_measure(int argc, char **argv) image_opts =3D true; break; case OPTION_OUTPUT: - if (!strcmp(optarg, "json")) { - output_format =3D OFORMAT_JSON; - } else if (!strcmp(optarg, "human")) { - output_format =3D OFORMAT_HUMAN; - } else { - error_report("--output must be used with human or json " - "as argument."); - goto out; - } + output_format =3D parse_output_format(optarg); break; case OPTION_SIZE: { --=20 2.39.2