+static char *opt_input_format;
+static char *opt_output_format;
+
+static const char *opt_input_path;
+static const char *opt_output_path;
+
+int babeltrace_verbose, babeltrace_debug;
+int opt_field_names;
+
+void strlower(char *str)
+{
+ while (*str) {
+ *str = tolower(*str);
+ str++;
+ }
+}
+
+enum {
+ OPT_NONE = 0,
+ OPT_HELP,
+ OPT_LIST,
+ OPT_VERBOSE,
+ OPT_DEBUG,
+ OPT_NAMES,
+};
+
+static struct poptOption long_options[] = {
+ /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+ { "input-format", 'i', POPT_ARG_STRING, &opt_input_format, OPT_NONE, NULL, NULL },
+ { "output-format", 'o', POPT_ARG_STRING, &opt_output_format, OPT_NONE, NULL, NULL },
+ { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL },
+ { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL },
+ { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL },
+ { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL },
+ { "names", 'n', POPT_ARG_NONE, NULL, OPT_NAMES, NULL, NULL },
+ { NULL, 0, 0, NULL, 0, NULL, NULL },
+};
+
+static void list_formats(FILE *fp)
+{
+ fprintf(fp, "\n");
+ bt_fprintf_format_list(fp);
+}
+
+static void usage(FILE *fp)
+{
+ fprintf(fp, "BabelTrace Trace Converter %u.%u\n\n",
+ BABELTRACE_VERSION_MAJOR,
+ BABELTRACE_VERSION_MINOR);
+ fprintf(fp, "usage : babeltrace [OPTIONS] INPUT <OUTPUT>\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " INPUT Input trace path\n");
+ fprintf(fp, " OUTPUT Output trace path (default: stdout)\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -i, --input-format FORMAT Input trace format (default: ctf)\n");
+ fprintf(fp, " -o, --output-format FORMAT Output trace format (default: text)\n");
+ fprintf(fp, "\n");
+ fprintf(fp, " -h, --help This help message\n");
+ fprintf(fp, " -l, --list List available formats\n");
+ fprintf(fp, " -v, --verbose Verbose mode\n");
+ fprintf(fp, " -d, --debug Debug mode\n");
+ fprintf(fp, " -n, --names Print field names\n");
+ list_formats(fp);
+ fprintf(fp, "\n");
+}
+
+/*
+ * Return 0 if caller should continue, < 0 if caller should return
+ * error, > 0 if caller should exit without reporting error.
+ */
+static int parse_options(int argc, char **argv)
+{
+ poptContext pc;
+ int opt, ret = 0;
+
+ if (argc == 1) {
+ usage(stdout);
+ return 1; /* exit cleanly */
+ }
+
+ pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0);
+ poptReadDefaultConfig(pc, 0);
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case OPT_HELP:
+ usage(stdout);
+ ret = 1; /* exit cleanly */
+ goto end;
+ case OPT_LIST:
+ list_formats(stdout);
+ ret = 1;
+ goto end;
+ case OPT_VERBOSE:
+ babeltrace_verbose = 1;
+ break;
+ case OPT_DEBUG:
+ babeltrace_debug = 1;
+ break;
+ case OPT_NAMES:
+ opt_field_names = 1;
+ break;
+ default:
+ ret = -EINVAL;
+ goto end;
+ }
+ }
+
+ opt_input_path = poptGetArg(pc);
+ if (!opt_input_path) {
+ ret = -EINVAL;
+ goto end;
+ }
+ opt_output_path = poptGetArg(pc);
+end:
+ if (pc) {
+ poptFreeContext(pc);
+ }
+ return ret;
+}
+
+int main(int argc, char **argv)