Use getopt_long(3) and err(3) family in chvideomode(1).
This commit is contained in:
parent
2c0a559309
commit
f6d6b60c10
|
@ -1,5 +1,6 @@
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
|
* Copyright (c) 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
|
||||||
|
* Copyright (c) 2023 Juhani 'nortti' Krekelä.
|
||||||
*
|
*
|
||||||
* Permission to use, copy, modify, and distribute this software for any
|
* Permission to use, copy, modify, and distribute this software for any
|
||||||
* purpose with or without fee is hereby granted, provided that the above
|
* purpose with or without fee is hereby granted, provided that the above
|
||||||
|
@ -24,8 +25,9 @@
|
||||||
#include <sys/wait.h>
|
#include <sys/wait.h>
|
||||||
|
|
||||||
#include <errno.h>
|
#include <errno.h>
|
||||||
#include <error.h>
|
#include <err.h>
|
||||||
#include <fcntl.h>
|
#include <fcntl.h>
|
||||||
|
#include <getopt.h>
|
||||||
#include <inttypes.h>
|
#include <inttypes.h>
|
||||||
#include <stdarg.h>
|
#include <stdarg.h>
|
||||||
#include <stdbool.h>
|
#include <stdbool.h>
|
||||||
|
@ -39,7 +41,7 @@
|
||||||
static uint64_t device;
|
static uint64_t device;
|
||||||
static uint64_t connector;
|
static uint64_t connector;
|
||||||
|
|
||||||
bool SetCurrentMode(struct dispmsg_crtc_mode mode)
|
static bool set_current_mode(struct dispmsg_crtc_mode mode)
|
||||||
{
|
{
|
||||||
struct dispmsg_set_crtc_mode msg;
|
struct dispmsg_set_crtc_mode msg;
|
||||||
msg.msgid = DISPMSG_SET_CRTC_MODE;
|
msg.msgid = DISPMSG_SET_CRTC_MODE;
|
||||||
|
@ -49,7 +51,7 @@ bool SetCurrentMode(struct dispmsg_crtc_mode mode)
|
||||||
return dispmsg_issue(&msg, sizeof(msg)) == 0;
|
return dispmsg_issue(&msg, sizeof(msg)) == 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
struct dispmsg_crtc_mode* GetAvailableModes(size_t* num_modes_ptr)
|
static struct dispmsg_crtc_mode* get_available_modes(size_t* num_modes_ptr)
|
||||||
{
|
{
|
||||||
struct dispmsg_get_crtc_modes msg;
|
struct dispmsg_get_crtc_modes msg;
|
||||||
msg.msgid = DISPMSG_GET_CRTC_MODES;
|
msg.msgid = DISPMSG_GET_CRTC_MODES;
|
||||||
|
@ -98,7 +100,8 @@ struct filter
|
||||||
size_t maxychars;
|
size_t maxychars;
|
||||||
};
|
};
|
||||||
|
|
||||||
bool mode_passes_filter(struct dispmsg_crtc_mode mode, struct filter* filter)
|
static bool mode_passes_filter(struct dispmsg_crtc_mode mode,
|
||||||
|
struct filter* filter)
|
||||||
{
|
{
|
||||||
if ( filter->include_all )
|
if ( filter->include_all )
|
||||||
return true;
|
return true;
|
||||||
|
@ -130,7 +133,7 @@ bool mode_passes_filter(struct dispmsg_crtc_mode mode, struct filter* filter)
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void filter_modes(struct dispmsg_crtc_mode* modes, size_t* num_modes_ptr, struct filter* filter)
|
static void filter_modes(struct dispmsg_crtc_mode* modes, size_t* num_modes_ptr, struct filter* filter)
|
||||||
{
|
{
|
||||||
size_t in_num = *num_modes_ptr;
|
size_t in_num = *num_modes_ptr;
|
||||||
size_t out_num = 0;
|
size_t out_num = 0;
|
||||||
|
@ -142,104 +145,44 @@ void filter_modes(struct dispmsg_crtc_mode* modes, size_t* num_modes_ptr, struct
|
||||||
*num_modes_ptr = out_num;
|
*num_modes_ptr = out_num;
|
||||||
}
|
}
|
||||||
|
|
||||||
size_t parse_size_t(const char* str, size_t def)
|
static size_t parse_size_t(const char* str)
|
||||||
{
|
{
|
||||||
if ( !str || !*str )
|
|
||||||
return def;
|
|
||||||
char* endptr;
|
char* endptr;
|
||||||
size_t ret = (size_t) strtoumax(str, &endptr, 10);
|
errno = 0;
|
||||||
if ( *endptr )
|
uintmax_t parsed = strtoumax(str, &endptr, 10);
|
||||||
return def;
|
if ( !*str || *endptr )
|
||||||
return ret;
|
errx(1, "Invalid integer argument: %s", str);
|
||||||
|
if ( errno == ERANGE || (size_t) parsed != parsed )
|
||||||
|
errx(1, "Integer argument too large: %s", str);
|
||||||
|
return (size_t) parsed;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool parse_bool(const char* str, bool def)
|
static bool parse_bool(const char* str)
|
||||||
{
|
{
|
||||||
if ( !str || !*str )
|
if ( !strcmp(str, "0") || !strcmp(str, "false") )
|
||||||
return def;
|
|
||||||
bool isfalse = !strcmp(str, "0") || !strcmp(str, "false");
|
|
||||||
return !isfalse;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void compact_arguments(int* argc, char*** argv)
|
|
||||||
{
|
|
||||||
for ( int i = 0; i < *argc; i++ )
|
|
||||||
{
|
|
||||||
while ( i < *argc && !(*argv)[i] )
|
|
||||||
{
|
|
||||||
for ( int n = i; n < *argc; n++ )
|
|
||||||
(*argv)[n] = (*argv)[n+1];
|
|
||||||
(*argc)--;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool string_parameter(const char* option,
|
|
||||||
const char* arg,
|
|
||||||
int argc,
|
|
||||||
char** argv,
|
|
||||||
int* ip,
|
|
||||||
const char* argv0,
|
|
||||||
const char** result)
|
|
||||||
{
|
|
||||||
size_t option_len = strlen(option);
|
|
||||||
if ( strncmp(option, arg, option_len) != 0 )
|
|
||||||
return false;
|
return false;
|
||||||
if ( arg[option_len] == '=' )
|
if ( !strcmp(str, "1") || !strcmp(str, "true") )
|
||||||
return *result = arg + option_len + 1, true;
|
|
||||||
if ( arg[option_len] != '\0' )
|
|
||||||
return false;
|
|
||||||
if ( *ip + 1 == argc )
|
|
||||||
{
|
|
||||||
fprintf(stderr, "%s: expected operand after `%s'\n", argv0, option);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
*result = argv[++*ip];
|
|
||||||
argv[*ip] = NULL;
|
|
||||||
return true;
|
return true;
|
||||||
|
errx(1, "Invalid boolean argument: %s", str);
|
||||||
}
|
}
|
||||||
|
|
||||||
bool minmax_parameter(const char* option,
|
enum longopt
|
||||||
const char* min_option,
|
|
||||||
const char* max_option,
|
|
||||||
const char* arg,
|
|
||||||
int argc,
|
|
||||||
char** argv,
|
|
||||||
int* ip,
|
|
||||||
const char* argv0,
|
|
||||||
size_t* min_result,
|
|
||||||
size_t* max_result)
|
|
||||||
{
|
{
|
||||||
const char* parameter;
|
OPT_SHOW_ALL = 128,
|
||||||
if ( string_parameter(option, arg, argc, argv, ip, argv0, ¶meter) )
|
OPT_SHOW_SUPPORTED,
|
||||||
return *min_result = *max_result = parse_size_t(parameter, 0), true;
|
OPT_SHOW_UNSUPPORTED,
|
||||||
if ( string_parameter(min_option, arg, argc, argv, ip, argv0, ¶meter) )
|
OPT_SHOW_TEXT,
|
||||||
return *min_result = parse_size_t(parameter, 0), true;
|
OPT_SHOW_GRAPHICS,
|
||||||
if ( string_parameter(max_option, arg, argc, argv, ip, argv0, ¶meter) )
|
OPT_BPP,
|
||||||
return *max_result = parse_size_t(parameter, 0), true;
|
OPT_MIN_BPP,
|
||||||
return false;
|
OPT_MAX_BPP,
|
||||||
}
|
OPT_WIDTH,
|
||||||
|
OPT_MIN_WIDTH,
|
||||||
#define MINMAX_PARAMETER(option, min_result, max_result) \
|
OPT_MAX_WIDTH,
|
||||||
minmax_parameter("--" option, "--min-" option, "--max-" option, arg, \
|
OPT_HEIGHT,
|
||||||
argc, argv, &i, argv0, min_result, max_result)
|
OPT_MIN_HEIGHT,
|
||||||
|
OPT_MAX_HEIGHT,
|
||||||
bool bool_parameter(const char* option,
|
};
|
||||||
const char* arg,
|
|
||||||
int argc,
|
|
||||||
char** argv,
|
|
||||||
int* ip,
|
|
||||||
const char* argv0,
|
|
||||||
bool* result)
|
|
||||||
{
|
|
||||||
const char* parameter;
|
|
||||||
if ( string_parameter(option, arg, argc, argv, ip, argv0, ¶meter) )
|
|
||||||
return *result = parse_bool(parameter, false), true;
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
#define BOOL_PARAMETER(option, result) \
|
|
||||||
bool_parameter("--" option, arg, argc, argv, &i, argv0, result)
|
|
||||||
|
|
||||||
int main(int argc, char* argv[])
|
int main(int argc, char* argv[])
|
||||||
{
|
{
|
||||||
|
@ -263,56 +206,68 @@ int main(int argc, char* argv[])
|
||||||
filter.minychars = 0;
|
filter.minychars = 0;
|
||||||
filter.maxychars = SIZE_MAX;
|
filter.maxychars = SIZE_MAX;
|
||||||
|
|
||||||
const char* argv0 = argv[0];
|
const struct option longopts[] =
|
||||||
for ( int i = 1; i < argc; i++ )
|
|
||||||
{
|
{
|
||||||
const char* arg = argv[i];
|
{"show-all", required_argument, NULL, OPT_SHOW_ALL},
|
||||||
if ( arg[0] != '-' || !arg[1] )
|
{"show-supported", required_argument, NULL, OPT_SHOW_SUPPORTED},
|
||||||
break; // Intentionally not continue.
|
{"show-unsupported", required_argument, NULL, OPT_SHOW_UNSUPPORTED},
|
||||||
argv[i] = NULL;
|
{"show-text", required_argument, NULL, OPT_SHOW_TEXT},
|
||||||
if ( !strcmp(arg, "--") )
|
{"show-graphics", required_argument, NULL, OPT_SHOW_GRAPHICS},
|
||||||
break;
|
{"bpp", required_argument, NULL, OPT_BPP},
|
||||||
if ( arg[1] != '-' )
|
{"min-bpp", required_argument, NULL, OPT_MIN_BPP},
|
||||||
|
{"max-bpp", required_argument, NULL, OPT_MAX_BPP},
|
||||||
|
{"width", required_argument, NULL, OPT_WIDTH},
|
||||||
|
{"min-width", required_argument, NULL, OPT_MIN_WIDTH},
|
||||||
|
{"max-width", required_argument, NULL, OPT_MAX_WIDTH},
|
||||||
|
{"height", required_argument, NULL, OPT_HEIGHT},
|
||||||
|
{"min-height", required_argument, NULL, OPT_MIN_HEIGHT},
|
||||||
|
{"max-height", required_argument, NULL, OPT_MAX_HEIGHT},
|
||||||
|
{0, 0, 0, 0}
|
||||||
|
};
|
||||||
|
const char* opts = "";
|
||||||
|
int opt;
|
||||||
|
while ( (opt = getopt_long(argc, argv, opts, longopts, NULL)) != -1 )
|
||||||
{
|
{
|
||||||
char c;
|
switch (opt)
|
||||||
while ( (c = *++arg) ) switch ( c )
|
|
||||||
{
|
{
|
||||||
default:
|
case OPT_SHOW_ALL: filter.include_all = parse_bool(optarg); break;
|
||||||
fprintf(stderr, "%s: unknown option -- '%c'\n", argv0, c);
|
case OPT_SHOW_SUPPORTED:
|
||||||
exit(1);
|
filter.include_supported = parse_bool(optarg); break;
|
||||||
|
case OPT_SHOW_UNSUPPORTED:
|
||||||
|
filter.include_unsupported = parse_bool(optarg); break;
|
||||||
|
case OPT_SHOW_TEXT: filter.include_text = parse_bool(optarg); break;
|
||||||
|
case OPT_SHOW_GRAPHICS:
|
||||||
|
filter.include_graphics = parse_bool(optarg); break;
|
||||||
|
case OPT_BPP:
|
||||||
|
filter.minbpp = filter.maxbpp = parse_size_t(optarg); break;
|
||||||
|
case OPT_MIN_BPP: filter.minbpp = parse_size_t(optarg); break;
|
||||||
|
case OPT_MAX_BPP: filter.maxbpp = parse_size_t(optarg); break;
|
||||||
|
case OPT_WIDTH:
|
||||||
|
filter.minxres = filter.maxxres = parse_size_t(optarg); break;
|
||||||
|
case OPT_MIN_WIDTH: filter.minxres = parse_size_t(optarg); break;
|
||||||
|
case OPT_MAX_WIDTH: filter.maxxres = parse_size_t(optarg); break;
|
||||||
|
case OPT_HEIGHT:
|
||||||
|
filter.minyres = filter.maxyres = parse_size_t(optarg); break;
|
||||||
|
case OPT_MIN_HEIGHT: filter.minyres = parse_size_t(optarg); break;
|
||||||
|
case OPT_MAX_HEIGHT: filter.maxyres = parse_size_t(optarg); break;
|
||||||
|
default: return 1;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else if ( BOOL_PARAMETER("show-all", &filter.include_all) ) { }
|
|
||||||
else if ( BOOL_PARAMETER("show-supported", &filter.include_supported) ) { }
|
|
||||||
else if ( BOOL_PARAMETER("show-unsupported", &filter.include_unsupported) ) { }
|
|
||||||
else if ( BOOL_PARAMETER("show-text", &filter.include_text) ) { }
|
|
||||||
else if ( BOOL_PARAMETER("show-graphics", &filter.include_graphics) ) { }
|
|
||||||
else if ( MINMAX_PARAMETER("bpp", &filter.minbpp, &filter.maxbpp) ) { }
|
|
||||||
else if ( MINMAX_PARAMETER("width", &filter.minxres, &filter.maxxres) ) { }
|
|
||||||
else if ( MINMAX_PARAMETER("height", &filter.minyres, &filter.maxyres) ) { }
|
|
||||||
else
|
|
||||||
{
|
|
||||||
fprintf(stderr, "%s: unknown option: %s\n", argv0, arg);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
compact_arguments(&argc, &argv);
|
|
||||||
|
|
||||||
unsigned int xres = 0;
|
unsigned int xres = 0;
|
||||||
unsigned int yres = 0;
|
unsigned int yres = 0;
|
||||||
unsigned int bpp = 0;
|
unsigned int bpp = 0;
|
||||||
if ( 2 <= argc )
|
if ( 1 <= argc - optind )
|
||||||
{
|
{
|
||||||
if ( 2 < argc )
|
if ( 1 < argc - optind )
|
||||||
error(1, 0, "Unexpected extra operand");
|
errx(1, "Unexpected extra operand");
|
||||||
if ( sscanf(argv[1], "%ux%ux%u", &xres, &yres, &bpp) != 3 )
|
if ( sscanf(argv[optind], "%ux%ux%u", &xres, &yres, &bpp) != 3 )
|
||||||
error(1, 0, "Invalid video mode: %s", argv[1]);
|
errx(1, "Invalid video mode: %s", argv[optind]);
|
||||||
}
|
}
|
||||||
|
|
||||||
int tty_fd = open("/dev/tty", O_RDWR);
|
int tty_fd = open("/dev/tty", O_RDWR);
|
||||||
if ( tty_fd < 0 )
|
if ( tty_fd < 0 )
|
||||||
error(1, errno, "/dev/tty");
|
err(1, "/dev/tty");
|
||||||
struct tiocgdisplay display;
|
struct tiocgdisplay display;
|
||||||
struct tiocgdisplays gdisplays;
|
struct tiocgdisplays gdisplays;
|
||||||
memset(&gdisplays, 0, sizeof(gdisplays));
|
memset(&gdisplays, 0, sizeof(gdisplays));
|
||||||
|
@ -327,9 +282,9 @@ int main(int argc, char* argv[])
|
||||||
connector = display.connector;
|
connector = display.connector;
|
||||||
|
|
||||||
size_t num_modes = 0;
|
size_t num_modes = 0;
|
||||||
struct dispmsg_crtc_mode* modes = GetAvailableModes(&num_modes);
|
struct dispmsg_crtc_mode* modes = get_available_modes(&num_modes);
|
||||||
if ( !modes )
|
if ( !modes )
|
||||||
error(1, errno, "Unable to detect available video modes");
|
err(1, "Unable to detect available video modes");
|
||||||
|
|
||||||
if ( !num_modes )
|
if ( !num_modes )
|
||||||
{
|
{
|
||||||
|
@ -360,7 +315,7 @@ retry_pick_mode:
|
||||||
decided = false;
|
decided = false;
|
||||||
first_render = true;
|
first_render = true;
|
||||||
memset(&render_at, 0, sizeof(render_at));
|
memset(&render_at, 0, sizeof(render_at));
|
||||||
if ( 2 <= argc )
|
if ( 1 <= argc - optind )
|
||||||
{
|
{
|
||||||
bool found_other = true;
|
bool found_other = true;
|
||||||
size_t other_selection = 0;
|
size_t other_selection = 0;
|
||||||
|
@ -385,7 +340,7 @@ retry_pick_mode:
|
||||||
if ( found_other )
|
if ( found_other )
|
||||||
selection = other_selection;
|
selection = other_selection;
|
||||||
else
|
else
|
||||||
error(1, 0, "No such available resolution: %s", argv[1]);
|
err(1, "No such available resolution: %s", argv[optind]);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
while ( !decided )
|
while ( !decided )
|
||||||
|
@ -466,10 +421,10 @@ retry_pick_mode:
|
||||||
|
|
||||||
unsigned int oldtermmode;
|
unsigned int oldtermmode;
|
||||||
if ( gettermmode(0, &oldtermmode) < 0 )
|
if ( gettermmode(0, &oldtermmode) < 0 )
|
||||||
error(1, errno, "gettermmode");
|
err(1, "gettermmode");
|
||||||
|
|
||||||
if ( settermmode(0, TERMMODE_KBKEY | TERMMODE_UNICODE | TERMMODE_SIGNAL) < 0 )
|
if ( settermmode(0, TERMMODE_KBKEY | TERMMODE_UNICODE | TERMMODE_SIGNAL) < 0 )
|
||||||
error(1, errno, "settermmode");
|
err(1, "settermmode");
|
||||||
|
|
||||||
bool redraw = false;
|
bool redraw = false;
|
||||||
while ( !redraw && !decided )
|
while ( !redraw && !decided )
|
||||||
|
@ -477,7 +432,7 @@ retry_pick_mode:
|
||||||
uint32_t codepoint;
|
uint32_t codepoint;
|
||||||
ssize_t numbytes = read(0, &codepoint, sizeof(codepoint));
|
ssize_t numbytes = read(0, &codepoint, sizeof(codepoint));
|
||||||
if ( numbytes < 0 )
|
if ( numbytes < 0 )
|
||||||
error(1, errno, "read");
|
err(1, "read");
|
||||||
|
|
||||||
int kbkey = KBKEY_DECODE(codepoint);
|
int kbkey = KBKEY_DECODE(codepoint);
|
||||||
if ( kbkey )
|
if ( kbkey )
|
||||||
|
@ -486,7 +441,7 @@ retry_pick_mode:
|
||||||
{
|
{
|
||||||
case KBKEY_ESC:
|
case KBKEY_ESC:
|
||||||
if ( settermmode(0, oldtermmode) < 0 )
|
if ( settermmode(0, oldtermmode) < 0 )
|
||||||
error(1, errno, "settermmode");
|
err(1, "settermmode");
|
||||||
printf("\n");
|
printf("\n");
|
||||||
exit(10);
|
exit(10);
|
||||||
break;
|
break;
|
||||||
|
@ -506,7 +461,7 @@ retry_pick_mode:
|
||||||
break;
|
break;
|
||||||
case KBKEY_ENTER:
|
case KBKEY_ENTER:
|
||||||
if ( settermmode(0, oldtermmode) < 0 )
|
if ( settermmode(0, oldtermmode) < 0 )
|
||||||
error(1, errno, "settermmode");
|
err(1, "settermmode");
|
||||||
fgetc(stdin);
|
fgetc(stdin);
|
||||||
printf("\n");
|
printf("\n");
|
||||||
decided = true;
|
decided = true;
|
||||||
|
@ -528,7 +483,7 @@ retry_pick_mode:
|
||||||
}
|
}
|
||||||
|
|
||||||
if ( settermmode(0, oldtermmode) < 0 )
|
if ( settermmode(0, oldtermmode) < 0 )
|
||||||
error(1, errno, "settermmode");
|
err(1, "settermmode");
|
||||||
}
|
}
|
||||||
|
|
||||||
struct dispmsg_crtc_mode mode = modes[selection];
|
struct dispmsg_crtc_mode mode = modes[selection];
|
||||||
|
@ -537,7 +492,7 @@ retry_pick_mode:
|
||||||
uintmax_t req_bpp = bpp;
|
uintmax_t req_bpp = bpp;
|
||||||
uintmax_t req_width = xres;
|
uintmax_t req_width = xres;
|
||||||
uintmax_t req_height = yres;
|
uintmax_t req_height = yres;
|
||||||
while ( argc < 2 )
|
while ( argc - optind < 1 )
|
||||||
{
|
{
|
||||||
printf("Enter video mode [BPP x WIDTH x HEIGHT]: ");
|
printf("Enter video mode [BPP x WIDTH x HEIGHT]: ");
|
||||||
fflush(stdout);
|
fflush(stdout);
|
||||||
|
@ -557,9 +512,10 @@ retry_pick_mode:
|
||||||
mode.control |= DISPMSG_CONTROL_VALID;
|
mode.control |= DISPMSG_CONTROL_VALID;
|
||||||
}
|
}
|
||||||
|
|
||||||
if ( !SetCurrentMode(mode) )
|
if ( !set_current_mode(mode) )
|
||||||
{
|
{
|
||||||
error(0, mode_set_error = errno, "Unable to set video mode %ju x %ju x %ju",
|
mode_set_error = errno;
|
||||||
|
warn("Unable to set video mode %ju x %ju x %ju",
|
||||||
(uintmax_t) mode.fb_format,
|
(uintmax_t) mode.fb_format,
|
||||||
(uintmax_t) mode.view_xres,
|
(uintmax_t) mode.view_xres,
|
||||||
(uintmax_t) mode.view_yres);
|
(uintmax_t) mode.view_yres);
|
||||||
|
|
Loading…
Reference in New Issue