#include <transform.h>
#include <tty_settings.h>
-MODULE_ID("$Id: tput.c,v 1.94 2021/09/19 00:06:44 tom Exp $")
+MODULE_ID("$Id: tput.c,v 1.97 2021/10/02 18:09:23 tom Exp $")
#define PUTS(s) fputs(s, stdout)
const char *_nc_progname = "tput";
-static char *prg_name;
static bool is_init = FALSE;
static bool is_reset = FALSE;
static bool is_clear = FALSE;
va_list argp;
va_start(argp, fmt);
- fprintf(stderr, "%s: ", prg_name);
+ fprintf(stderr, "%s: ", _nc_progname);
vfprintf(stderr, fmt, argp);
fprintf(stderr, "\n");
va_end(argp);
}
static GCC_NORETURN void
-usage(void)
+usage(const char *optstring)
{
#define KEEP(s) s "\n"
static const char msg[] =
KEEP(" capname unlike clear/init/reset, print value for capability \"capname\"")
};
#undef KEEP
- (void) fprintf(stderr, "Usage: %s [options] [command]\n", prg_name);
- fputs(msg, stderr);
+ (void) fprintf(stderr, "Usage: %s [options] [command]\n", _nc_progname);
+ if (optstring != NULL) {
+ const char *s = msg;
+ while (*s != '\0') {
+ fputc(UChar(*s), stderr);
+ if (!strncmp(s, " -", 3)) {
+ if (strchr(optstring, s[3]) == NULL)
+ s = strchr(s, '\n') + 1;
+ } else if (!strncmp(s, "\n\nC", 3))
+ break;
+ ++s;
+ }
+ } else {
+ fputs(msg, stderr);
+ }
ExitProgram(ErrUsage);
}
if (is_reset) {
reset_start(stdout, TRUE, FALSE);
- reset_tty_settings(fd, settings);
+ reset_tty_settings(fd, settings, FALSE);
} else {
reset_start(stdout, FALSE, TRUE);
}
bool is_alias;
bool need_tty;
- prg_name = check_aliases(_nc_rootname(argv[0]), TRUE);
+ _nc_progname = check_aliases(_nc_rootname(argv[0]), TRUE);
+ is_alias = (is_clear || is_reset || is_init);
term = getenv("TERM");
- while ((c = getopt(argc, argv, "ST:Vx")) != -1) {
+ while ((c = getopt(argc, argv, is_alias ? "T:Vx" : "ST:Vx")) != -1) {
switch (c) {
case 'S':
cmdline = FALSE;
opt_x = TRUE;
break;
default:
- usage();
+ usage(is_alias ? "TVx" : NULL);
/* NOTREACHED */
}
}
- is_alias = (is_clear || is_reset || is_init);
need_tty = ((is_reset || is_init) ||
(optind < argc &&
(!strcmp(argv[optind], "reset") ||
argc -= optind;
argv += optind;
}
- argv[0] = prg_name;
+ argv[0] = strdup(_nc_progname);
} else {
argc -= optind;
argv += optind;
if (cmdline) {
int code = 0;
if ((argc <= 0) && !is_alias)
- usage();
+ usage(NULL);
while (argc > 0) {
code = tput_cmd(fd, &tty_settings, opt_x, argc, argv, &used);
if (code != 0)