Update NSH documentation; Add option to reduce size of help commnd without completely eliminating it

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@5009 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-08-04 22:17:37 +00:00
parent 3ec93230f3
commit 60889d41f6
3 changed files with 52 additions and 9 deletions
+19 -4
View File
@@ -211,7 +211,11 @@ static const struct cmdmap_s g_cmdmap[] =
#endif
#ifndef CONFIG_NSH_DISABLE_HELP
{ "help", cmd_help, 1, 3, "[-v] [cmd]" },
# ifdef CONFIG_NSH_HELP_TERSE
{ "help", cmd_help, 1, 2, "[<cmd>]" },
#else
{ "help", cmd_help, 1, 3, "[-v] [<cmd>]" },
# endif
#endif
#ifdef CONFIG_NET
@@ -453,7 +457,7 @@ static inline void help_cmdlist(FAR struct nsh_vtbl_s *vtbl)
* Name: help_usage
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_HELP
#if !defined(CONFIG_NSH_DISABLE_HELP) && !defined(CONFIG_NSH_HELP_TERSE)
static inline void help_usage(FAR struct nsh_vtbl_s *vtbl)
{
nsh_output(vtbl, "NSH command forms:\n");
@@ -526,7 +530,7 @@ static int help_cmd(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd)
* Name: help_allcmds
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_HELP
#if !defined(CONFIG_NSH_DISABLE_HELP) && !defined(CONFIG_NSH_HELP_TERSE)
static inline void help_allcmds(FAR struct nsh_vtbl_s *vtbl)
{
FAR const struct cmdmap_s *cmdmap;
@@ -569,12 +573,15 @@ static inline void help_builtins(FAR struct nsh_vtbl_s *vtbl)
#ifndef CONFIG_NSH_DISABLE_HELP
static int cmd_help(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
bool verbose = false;
FAR const char *cmd = NULL;
#ifdef CONFIG_NSH_HELP_TERSE
bool verbose = false;
int i;
#endif
/* The command may be followed by a verbose option */
#ifdef CONFIG_NSH_HELP_TERSE
i = 1;
if (argc > i)
{
@@ -598,6 +605,12 @@ static int cmd_help(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
help_usage(vtbl);
}
#else
if (argc > 1)
{
cmd = argv[1];
}
#endif
/* Are we showing help on a single command? */
@@ -612,6 +625,7 @@ static int cmd_help(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
/* In verbose mode, show detailed help for all commands */
#ifdef CONFIG_NSH_HELP_TERSE
if (verbose)
{
nsh_output(vtbl, "Where <cmd> is one of:\n");
@@ -621,6 +635,7 @@ static int cmd_help(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
/* Otherwise, just show the list of command names */
else
#endif
{
nsh_output(vtbl, "help usage:");
help_cmd(vtbl, "help");