int
help(void *opt, int argc, char **argv)
{
if(argc == 0) {
sl_help(commands, 1, argv - 1 /* XXX */);
} else {
SL_cmd *c = sl_match (commands, argv[0], 0);
if(c == NULL) {
fprintf (stderr, "No such command: %s. "
"Try \"help\" for a list of commands\n",
argv[0]);
} else {
if(c->func) {
char *fake[] = { NULL, "--help", NULL };
fake[0] = argv[0];
(*c->func)(2, fake);
fprintf(stderr, "\n");
}
if(c->help && *c->help)
fprintf (stderr, "%s\n", c->help);
if((++c)->name && c->func == NULL) {
int f = 0;
fprintf (stderr, "Synonyms:");
while (c->name && c->func == NULL) {
fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
f = 1;
}
fprintf (stderr, "\n");
}
}
}
return 0;
}
void
sl_slc_help (SL_cmd *cmds, int argc, char **argv)
{
if(argc == 0) {
sl_help(cmds, 1, argv - 1 /* XXX */);
} else {
SL_cmd *c = sl_match (cmds, argv[0], 0);
if(c == NULL) {
fprintf (stderr, "No such command: %s. "
"Try \"help\" for a list of commands\n",
argv[0]);
} else {
if(c->func) {
static char help[] = "--help";
char *fake[3];
fake[0] = argv[0];
fake[1] = help;
fake[2] = NULL;
(*c->func)(2, fake);
fprintf(stderr, "\n");
}
if(c->help && *c->help)
fprintf (stderr, "%s\n", c->help);
if((++c)->name && c->func == NULL) {
int f = 0;
fprintf (stderr, "Synonyms:");
while (c->name && c->func == NULL) {
fprintf (stderr, "%s%s", f ? ", " : " ", (c++)->name);
f = 1;
}
fprintf (stderr, "\n");
}
}
}
}
int
sl_command(SL_cmd *cmds, int argc, char **argv)
{
SL_cmd *c;
c = sl_match (cmds, argv[0], 0);
if (c == NULL)
return -1;
return (*c->func)(argc, argv);
}
void
sl_help (SL_cmd *cmds, int argc, char **argv)
{
SL_cmd *c, *prev_c;
if (getenv("SLMANDOC")) {
mandoc_template(cmds, NULL);
return;
}
if (argc == 1) {
prev_c = NULL;
for (c = cmds; c->name; ++c) {
if (c->func) {
if(prev_c)
printf ("\n\t%s%s", prev_c->usage ? prev_c->usage : "",
prev_c->usage ? "\n" : "");
prev_c = c;
printf ("%s", c->name);
} else
printf (", %s", c->name);
}
if(prev_c)
printf ("\n\t%s%s", prev_c->usage ? prev_c->usage : "",
prev_c->usage ? "\n" : "");
} else {
c = sl_match (cmds, argv[1], 0);
if (c == NULL)
printf ("No such command: %s. "
"Try \"help\" for a list of all commands\n",
argv[1]);
else {
printf ("%s\t%s\n", c->name, c->usage);
if(c->help && *c->help)
printf ("%s\n", c->help);
if((++c)->name && c->func == NULL) {
printf ("Synonyms:");
while (c->name && c->func == NULL)
printf ("\t%s", (c++)->name);
printf ("\n");
}
}
}
}
