static int img_info(int argc, char **argv) { int c; OutputFormat output_format = OFORMAT_HUMAN; bool chain = false; const char *filename, *fmt, *output; ImageInfoList *list; bool image_opts = false; fmt = NULL; output = NULL; for(;;) { int option_index = 0; static const struct option long_options[] = { {"help", no_argument, 0, 'h'}, {"format", required_argument, 0, 'f'}, {"output", required_argument, 0, OPTION_OUTPUT}, {"backing-chain", no_argument, 0, OPTION_BACKING_CHAIN}, {"object", required_argument, 0, OPTION_OBJECT}, {"image-opts", no_argument, 0, OPTION_IMAGE_OPTS}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, "f:h", long_options, &option_index); if (c == -1) { break; } switch(c) { case '?': case 'h': help(); break; case 'f': fmt = optarg; break; case OPTION_OUTPUT: output = optarg; break; case OPTION_BACKING_CHAIN: chain = true; break; case OPTION_OBJECT: { QemuOpts *opts; opts = qemu_opts_parse_noisily(&qemu_object_opts, optarg, true); if (!opts) { return 1; } } break; case OPTION_IMAGE_OPTS: image_opts = true; break; } } if (optind != argc - 1) { error_exit("Expecting one image file name"); } filename = argv[optind++]; if (output && !strcmp(output, "json")) { output_format = OFORMAT_JSON; } else if (output && !strcmp(output, "human")) { output_format = OFORMAT_HUMAN; } else if (output) { error_report("--output must be used with human or json as argument."); return 1; } if (qemu_opts_foreach(&qemu_object_opts, user_creatable_add_opts_foreach, NULL, NULL)) { return 1; } list = collect_image_info_list(image_opts, filename, fmt, chain); if (!list) { return 1; } switch (output_format) { case OFORMAT_HUMAN: dump_human_image_info_list(list); break; case OFORMAT_JSON: if (chain) { dump_json_image_info_list(list); } else { dump_json_image_info(list->value); } break; } qapi_free_ImageInfoList(list); return 0; }