set_default_str(&arg[i], opt);
break;
case isl_arg_alias:
+ case isl_arg_footer:
case isl_arg_version:
case isl_arg_end:
break;
case isl_arg_long:
case isl_arg_ulong:
case isl_arg_version:
+ case isl_arg_footer:
case isl_arg_end:
break;
}
return NULL;
}
-static int print_help_msg(struct isl_arg *decl, int pos)
+static int wrap_msg(const char *s, int indent, int pos)
{
int len;
- const char *s;
-
- if (!decl->help_msg)
- return pos;
+ int wrap_len = 75 - indent;
- if (pos >= 29)
- printf("\n%30s", "");
+ if (pos + 1 >= indent)
+ printf("\n%*s", indent, "");
else
- printf("%*s", 30 - pos, "");
+ printf("%*s", indent - pos, "");
- s = decl->help_msg;
len = strlen(s);
- while (len > 45) {
- const char *space = isl_memrchr(s, ' ', 45);
+ while (len > wrap_len) {
+ const char *space = isl_memrchr(s, ' ', wrap_len);
int l;
if (!space)
- space = strchr(s + 45, ' ');
+ space = strchr(s + wrap_len, ' ');
if (!space)
break;
l = space - s;
printf("%.*s", l, s);
s = space + 1;
len -= l + 1;
- printf("\n%30s", "");
+ printf("\n%*s", indent, "");
}
printf("%s", s);
return len;
}
+static int print_help_msg(struct isl_arg *decl, int pos)
+{
+ if (!decl->help_msg)
+ return pos;
+
+ return wrap_msg(decl->help_msg, 30, pos);
+}
+
static void print_default(struct isl_arg *decl, const char *def, int pos)
{
int i;
static void print_help(struct isl_arg *arg, const char *prefix)
{
int i;
+ int any = 0;
for (i = 0; arg[i].type != isl_arg_end; ++i) {
if (arg[i].flags & ISL_ARG_HIDDEN)
switch (arg[i].type) {
case isl_arg_flags:
print_flags_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_choice:
print_choice_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_bool:
print_bool_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_int:
print_int_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_long:
print_long_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_ulong:
print_ulong_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_str:
print_str_help(&arg[i], prefix);
+ any = 1;
break;
case isl_arg_alias:
case isl_arg_version:
case isl_arg_arg:
+ case isl_arg_footer:
case isl_arg_child:
case isl_arg_user:
case isl_arg_end:
if (arg[i].flags & ISL_ARG_HIDDEN)
continue;
- printf("\n");
+ if (any)
+ printf("\n");
if (arg[i].help_msg)
printf(" %s\n", arg[i].help_msg);
print_help(arg[i].u.child.child, arg[i].long_name);
+ any = 1;
}
}
printf(" -V, --version\n");
print_bool_help(help_arg, NULL);
+ for (i = 0; arg[i].type != isl_arg_end; ++i) {
+ if (arg[i].type != isl_arg_footer)
+ continue;
+ wrap_msg(arg[i].help_msg, 0, 0);
+ printf("\n");
+ }
+
exit(0);
}
break;
case isl_arg_alias:
case isl_arg_arg:
+ case isl_arg_footer:
case isl_arg_user:
case isl_arg_version:
case isl_arg_end: