int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
FAR char *argv[])
{
#ifndef CONFIG_APPS_BINDIR
FAR const char * name;
#endif
int ret = OK;
/* Try to find command within pre-built application list. */
ret = exec_namedapp(cmd, argv);
if (ret < 0)
{
int err = -errno;
#ifndef CONFIG_APPS_BINDIR
int i;
/* On failure, list the set of available built-in commands */
nsh_output(vtbl, "Builtin Apps: ");
for (i = 0; (name = namedapp_getname(i)) != NULL; i++)
{
nsh_output(vtbl, "%s ", name);
}
nsh_output(vtbl, "\nand type 'help' for more NSH commands.\n\n");
/* If the failing command was '?', then do not report an error */
if (strcmp(cmd, "?") != 0)
{
return err;
}
return OK;
#else
return err;
#endif
}
#ifdef CONFIG_SCHED_WAITPID
if (vtbl->np.np_bg == false)
{
waitpid(ret, NULL, 0);
}
else
#endif
{
struct sched_param param;
sched_getparam(0, ¶m);
nsh_output(vtbl, "%s [%d:%d]\n", cmd, ret, param.sched_priority);
}
return OK;
}
static inline void help_builtins(FAR struct nsh_vtbl_s *vtbl)
{
#ifdef CONFIG_NSH_BUILTIN_APPS
FAR const char *name;
int i;
/* List the set of available built-in commands */
nsh_output(vtbl, "\nBuiltin Apps:\n");
for (i = 0; (name = namedapp_getname(i)) != NULL; i++)
{
nsh_output(vtbl, " %s\n", name);
}
#endif
}
static int cmd_help(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
const struct cmdmap_s *ptr;
#ifdef CONFIG_NSH_BUILTIN_APPS
FAR const char * name;
int i;
#endif
nsh_output(vtbl, "NSH command forms:\n");
#ifndef CONFIG_NSH_DISABLEBG
nsh_output(vtbl, " [nice [-d <niceness>>]] <cmd> [> <file>|>> <file>] [&]\n");
#else
nsh_output(vtbl, " <cmd> [> <file>|>> <file>]\n");
#endif
#ifndef CONFIG_NSH_DISABLESCRIPT
nsh_output(vtbl, "OR\n");
nsh_output(vtbl, " if <cmd>\n");
nsh_output(vtbl, " then\n");
nsh_output(vtbl, " [sequence of <cmd>]\n");
nsh_output(vtbl, " else\n");
nsh_output(vtbl, " [sequence of <cmd>]\n");
nsh_output(vtbl, " fi\n");
#endif
nsh_output(vtbl, "Where <cmd> is one of:\n");
for (ptr = g_cmdmap; ptr->cmd; ptr++)
{
if (ptr->usage)
{
nsh_output(vtbl, " %s %s\n", ptr->cmd, ptr->usage);
}
else
{
nsh_output(vtbl, " %s\n", ptr->cmd);
}
}
/* List the set of available built-in commands */
#ifdef CONFIG_NSH_BUILTIN_APPS
nsh_output(vtbl, "\nBuiltin Apps:\n");
for (i = 0; (name = namedapp_getname(i)) != NULL; i++)
{
nsh_output(vtbl, " %s\n", name);
}
#endif
return OK;
}
