static COMMAND_HELPER(command_help_show, struct command *c, unsigned n,
bool show_help, const char *match)
{
if (!command_can_run(CMD_CTX, c))
return ERROR_OK;
char *cmd_name = command_name(c, ' ');
if (NULL == cmd_name)
return -ENOMEM;
/* If the match string occurs anywhere, we print out
* stuff for this command. */
bool is_match = (strstr(cmd_name, match) != NULL) ||
((c->usage != NULL) && (strstr(c->usage, match) != NULL)) ||
((c->help != NULL) && (strstr(c->help, match) != NULL));
if (is_match)
{
command_help_show_indent(n);
LOG_USER_N("%s", cmd_name);
}
free(cmd_name);
if (is_match)
{
if (c->usage) {
LOG_USER_N(" ");
command_help_show_wrap(c->usage, 0, n + 5);
}
else
LOG_USER_N("\n");
}
if (is_match && show_help)
{
char *msg;
/* Normal commands are runtime-only; highlight exceptions */
if (c->mode != COMMAND_EXEC) {
const char *stage_msg = "";
switch (c->mode) {
case COMMAND_CONFIG:
stage_msg = " (configuration command)";
break;
case COMMAND_ANY:
stage_msg = " (command valid any time)";
break;
default:
stage_msg = " (?mode error?)";
break;
}
msg = alloc_printf("%s%s", c->help ? : "", stage_msg);
} else
static void command_help_show_wrap(const char *str, unsigned n, unsigned n2)
{
const char *cp = str, *last = str;
while (*cp) {
const char *next = last;
do {
cp = next;
do {
next++;
} while (*next != ' ' && *next != '\t' && *next != '\0');
} while ((next - last < HELP_LINE_WIDTH(n)) && *next != '\0');
if (next - last < HELP_LINE_WIDTH(n))
cp = next;
command_help_show_indent(n);
LOG_USER("%.*s", (int)(cp - last), last);
last = cp + 1;
n = n2;
}
}
