bin: compile lttng as C++

[lttng-tools.git] / src / bin / lttng / commands / help.c

diff --git a/src/bin/lttng/commands/help.c b/src/bin/lttng/commands/help.c
deleted file mode 100644 (file)
index a9a01e7..0000000
--- a/src/bin/lttng/commands/help.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2015 Philippe Proulx <pproulx@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#define _LGPL_SOURCE
-#include <popt.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "../command.h"
-#include <common/utils.h>
-
-#ifdef LTTNG_EMBED_HELP
-static const char *help_msg =
-#include <lttng-help.1.h>
-;
-#endif
-
-static const char *lttng_help_msg =
-#ifdef LTTNG_EMBED_HELP
-#include <lttng.1.h>
-#else
-NULL
-#endif
-;
-
-enum {
-       OPT_HELP = 1,
-       OPT_LIST_OPTIONS,
-};
-
-static struct poptOption long_options[] = {
-       /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
-       {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
-       {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
-       {0, 0, 0, 0, 0, 0, 0}
-};
-
-/*
- *  cmd_help
- */
-int cmd_help(int argc, const char **argv, const struct cmd_struct commands[])
-{
-       int opt, ret = CMD_SUCCESS;
-       char *cmd_name;
-       static poptContext pc;
-       const struct cmd_struct *cmd;
-       int found = 0;
-       const char *cmd_argv[2];
-
-       pc = poptGetContext(NULL, argc, argv, long_options, 0);
-       poptReadDefaultConfig(pc, 0);
-
-       while ((opt = poptGetNextOpt(pc)) != -1) {
-               switch (opt) {
-               case OPT_HELP:
-                       SHOW_HELP();
-                       goto end;
-               case OPT_LIST_OPTIONS:
-                       list_cmd_options(stdout, long_options);
-                       goto end;
-               default:
-                       ret = CMD_UNDEFINED;
-                       goto end;
-               }
-       }
-
-       /* Get command name */
-       cmd_name = (char *) poptGetArg(pc);
-
-       if (cmd_name == NULL) {
-               /* Fall back to lttng(1) */
-               ret = utils_show_help(1, "lttng", lttng_help_msg);
-               if (ret) {
-                       ERR("Cannot show --help for `lttng`");
-                       perror("exec");
-                       ret = CMD_ERROR;
-               }
-
-               goto end;
-       }
-
-       /* Help about help? */
-       if (strcmp(cmd_name, "help") == 0) {
-               SHOW_HELP();
-               goto end;
-       }
-
-       /* Make sure command name exists */
-       cmd = &commands[0];
-
-       while (cmd->name != NULL) {
-               if (strcmp(cmd->name, cmd_name) == 0) {
-                       found = 1;
-                       break;
-               }
-
-               cmd++;
-       }
-
-       if (!found) {
-               ERR("Unknown command \"%s\"", cmd_name);
-               ret = CMD_ERROR;
-               goto end;
-       }
-
-       /* Show command's help */
-       cmd_argv[0] = cmd->name;
-       cmd_argv[1] = "--help";
-       LTTNG_ASSERT(cmd->func);
-       ret = cmd->func(2, cmd_argv);
-
-end:
-       poptFreeContext(pc);
-       return ret;
-}