tabs are as useful as a hole in the head

1 files changed, 335 insertions, 335 deletions

diff --git a/src/extras/keymap/keymap.c b/src/extras/keymap/keymap.c
index 6bcfaefa18..92ec67b3a6 100644
--- a/src/extras/keymap/keymap.c
+++ b/src/extras/keymap/keymap.c
@@ -45,403 +45,403 @@ const struct key* lookup_key (const char *str, unsigned int len);
 
 static int evdev_open(const char *dev)
 {
-	int fd;
-	char fn[PATH_MAX];
-
-	if (strncmp(dev, "/dev", 4) != 0) {
-		snprintf(fn, sizeof(fn), "/dev/%s", dev);
-		dev = fn;
-	}
-
-	if ((fd = open(dev, O_RDWR)) < 0) {
-		fprintf(stderr, "error open('%s'): %m\n", dev);
-		return -1;
-	}
-	return fd;
+        int fd;
+        char fn[PATH_MAX];
+
+        if (strncmp(dev, "/dev", 4) != 0) {
+                snprintf(fn, sizeof(fn), "/dev/%s", dev);
+                dev = fn;
+        }
+
+        if ((fd = open(dev, O_RDWR)) < 0) {
+                fprintf(stderr, "error open('%s'): %m\n", dev);
+                return -1;
+        }
+        return fd;
 }
 
 static int evdev_get_keycode(int fd, int scancode, int e)
 {
-	int codes[2];
-
-	codes[0] = scancode;
-	if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) {
-		if (e && errno == EINVAL) {
-			return -2;
-		} else {
-			fprintf(stderr, "EVIOCGKEYCODE: %m\n");
-			return -1;
-		}
-	}
-	return codes[1];
+        int codes[2];
+
+        codes[0] = scancode;
+        if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) {
+                if (e && errno == EINVAL) {
+                        return -2;
+                } else {
+                        fprintf(stderr, "EVIOCGKEYCODE: %m\n");
+                        return -1;
+                }
+        }
+        return codes[1];
 }
 
 static int evdev_set_keycode(int fd, int scancode, int keycode)
 {
-	int codes[2];
+        int codes[2];
 
-	codes[0] = scancode;
-	codes[1] = keycode;
+        codes[0] = scancode;
+        codes[1] = keycode;
 
-	if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) {
-		fprintf(stderr, "EVIOCSKEYCODE: %m\n");
-		return -1;
-	}
-	return 0;
+        if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) {
+                fprintf(stderr, "EVIOCSKEYCODE: %m\n");
+                return -1;
+        }
+        return 0;
 }
 
 static int evdev_driver_version(int fd, char *v, size_t l)
 {
-	int version;
+        int version;
 
-	if (ioctl(fd, EVIOCGVERSION, &version)) {
-		fprintf(stderr, "EVIOCGVERSION: %m\n");
-		return -1;
-	}
+        if (ioctl(fd, EVIOCGVERSION, &version)) {
+                fprintf(stderr, "EVIOCGVERSION: %m\n");
+                return -1;
+        }
 
-	snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff);
-	return 0;
+        snprintf(v, l, "%i.%i.%i.", version >> 16, (version >> 8) & 0xff, version & 0xff);
+        return 0;
 }
 
 static int evdev_device_name(int fd, char *n, size_t l)
 {
-	if (ioctl(fd, EVIOCGNAME(l), n) < 0) {
-		fprintf(stderr, "EVIOCGNAME: %m\n");
-		return -1;
-	}
-	return 0;
+        if (ioctl(fd, EVIOCGNAME(l), n) < 0) {
+                fprintf(stderr, "EVIOCGNAME: %m\n");
+                return -1;
+        }
+        return 0;
 }
 
 /* Return a lower-case string with KEY_ prefix removed */
 static const char* format_keyname(const char* key) {
-	static char result[101];
-	const char* s;
-	int len;
-
-	for (s = key+4, len = 0; *s && len < 100; ++len, ++s)
-		result[len] = tolower(*s);
-	result[len] = '\0';
-	return result;
+        static char result[101];
+        const char* s;
+        int len;
+
+        for (s = key+4, len = 0; *s && len < 100; ++len, ++s)
+                result[len] = tolower(*s);
+        result[len] = '\0';
+        return result;
 }
 
 static int dump_table(int fd) {
-	char version[256], name[256];
-	int scancode, r = -1;
+        char version[256], name[256];
+        int scancode, r = -1;
 
-	if (evdev_driver_version(fd, version, sizeof(version)) < 0)
-		goto fail;
+        if (evdev_driver_version(fd, version, sizeof(version)) < 0)
+                goto fail;
 
-	if (evdev_device_name(fd, name, sizeof(name)) < 0)
-		goto fail;
+        if (evdev_device_name(fd, name, sizeof(name)) < 0)
+                goto fail;
 
-	printf("### evdev %s, driver '%s'\n", version, name);
+        printf("### evdev %s, driver '%s'\n", version, name);
 
-	r = 0;
-	for (scancode = 0; scancode < MAX_SCANCODES; scancode++) {
-		int keycode;
+        r = 0;
+        for (scancode = 0; scancode < MAX_SCANCODES; scancode++) {
+                int keycode;
 
-		if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) {
-			if (keycode == -2)
-				continue;
-			r = -1;
-			break;
-		}
+                if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) {
+                        if (keycode == -2)
+                                continue;
+                        r = -1;
+                        break;
+                }
 
-		if (keycode < KEY_MAX && key_names[keycode])
-			printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode]));
-		else
-			printf("0x%03x 0x%03x\n", scancode, keycode);
-	}
+                if (keycode < KEY_MAX && key_names[keycode])
+                        printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode]));
+                else
+                        printf("0x%03x 0x%03x\n", scancode, keycode);
+        }
 fail:
-	return r;
+        return r;
 }
 
 static void set_key(int fd, const char* scancode_str, const char* keyname)
 {
-	unsigned scancode;
-	char *endptr;
-	char t[105] = "KEY_UNKNOWN";
-	const struct key *k;
-
-	scancode = (unsigned) strtol(scancode_str, &endptr, 0);
-	if (*endptr != '\0') {
-		fprintf(stderr, "ERROR: Invalid scancode\n");
-		exit(1);
-	}
-
-	snprintf(t, sizeof(t), "KEY_%s", keyname);
-
-	if (!(k = lookup_key(t, strlen(t)))) {
-		fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname);
-		exit(1);
-	}
-
-	if (evdev_set_keycode(fd, scancode, k->id) < 0)
-		fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n",
-			scancode, k->id);
-	else
-		printf("setting scancode 0x%2X to key code %i\n",
-			scancode, k->id);
+        unsigned scancode;
+        char *endptr;
+        char t[105] = "KEY_UNKNOWN";
+        const struct key *k;
+
+        scancode = (unsigned) strtol(scancode_str, &endptr, 0);
+        if (*endptr != '\0') {
+                fprintf(stderr, "ERROR: Invalid scancode\n");
+                exit(1);
+        }
+
+        snprintf(t, sizeof(t), "KEY_%s", keyname);
+
+        if (!(k = lookup_key(t, strlen(t)))) {
+                fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname);
+                exit(1);
+        }
+
+        if (evdev_set_keycode(fd, scancode, k->id) < 0)
+                fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n",
+                        scancode, k->id);
+        else
+                printf("setting scancode 0x%2X to key code %i\n",
+                        scancode, k->id);
 }
 
 static int merge_table(int fd, FILE *f) {
-	int r = 0;
-	int line = 0;
-
-	while (!feof(f)) {
-		char s[256], *p;
-		int scancode, new_keycode, old_keycode;
-
-		if (!fgets(s, sizeof(s), f))
-			break;
-
-		line++;
-		p = s+strspn(s, "\t ");
-		if (*p == '#' || *p == '\n')
-			continue;
-
-		if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
-			char t[105] = "KEY_UNKNOWN";
-			const struct key *k;
-
-			if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
-				fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
-				r = -1;
-				continue;
-			}
-
-			if (!(k = lookup_key(t, strlen(t)))) {
-				fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line);
-				r = -1;
-				continue;
-			}
-
-			new_keycode = k->id;
-		}
-
-
-		if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) {
-			r = -1;
-			goto fail;
-		}
-
-		if (evdev_set_keycode(fd, scancode, new_keycode) < 0) {
-			r = -1;
-			goto fail;
-		}
-
-		if (new_keycode != old_keycode)
-			fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n",
-				scancode, new_keycode, old_keycode);
-	}
+        int r = 0;
+        int line = 0;
+
+        while (!feof(f)) {
+                char s[256], *p;
+                int scancode, new_keycode, old_keycode;
+
+                if (!fgets(s, sizeof(s), f))
+                        break;
+
+                line++;
+                p = s+strspn(s, "\t ");
+                if (*p == '#' || *p == '\n')
+                        continue;
+
+                if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
+                        char t[105] = "KEY_UNKNOWN";
+                        const struct key *k;
+
+                        if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
+                                fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
+                                r = -1;
+                                continue;
+                        }
+
+                        if (!(k = lookup_key(t, strlen(t)))) {
+                                fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line);
+                                r = -1;
+                                continue;
+                        }
+
+                        new_keycode = k->id;
+                }
+
+
+                if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) {
+                        r = -1;
+                        goto fail;
+                }
+
+                if (evdev_set_keycode(fd, scancode, new_keycode) < 0) {
+                        r = -1;
+                        goto fail;
+                }
+
+                if (new_keycode != old_keycode)
+                        fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n",
+                                scancode, new_keycode, old_keycode);
+        }
 fail:
-	fclose(f);
-	return r;
+        fclose(f);
+        return r;
 }
 
 
 /* read one event; return 1 if valid */
 static int read_event(int fd, struct input_event* ev)
 {
-	int ret;
-	ret = read(fd, ev, sizeof(struct input_event));
-
-	if (ret < 0) {
-		perror("read");
-		return 0;
-	}
-	if (ret != sizeof(struct input_event)) {
-		fprintf(stderr, "did not get enough data for event struct, aborting\n");
-		return 0;
-	}
-
-	return 1;
+        int ret;
+        ret = read(fd, ev, sizeof(struct input_event));
+
+        if (ret < 0) {
+                perror("read");
+                return 0;
+        }
+        if (ret != sizeof(struct input_event)) {
+                fprintf(stderr, "did not get enough data for event struct, aborting\n");
+                return 0;
+        }
+
+        return 1;
 }
 
 static void print_key(uint32_t scancode, uint16_t keycode, int has_scan, int has_key)
 {
-	const char *keyname;
-
-	/* ignore key release events */
-	if (has_key == 1)
-		return;
-
-	if (has_key == 0 && has_scan != 0) {
-		fprintf(stderr, "got scan code event 0x%02X without a key code event\n",
-			scancode);
-		return;
-	}
-
-	if (has_scan != 0)
-		printf("scan code: 0x%02X   ", scancode);
-	else
-		printf("(no scan code received)  ");
-
-	keyname = key_names[keycode];
-	if (keyname != NULL)
-		printf("key code: %s\n", format_keyname(keyname));
-	else
-		printf("key code: %03X\n", keycode);
+        const char *keyname;
+
+        /* ignore key release events */
+        if (has_key == 1)
+                return;
+
+        if (has_key == 0 && has_scan != 0) {
+                fprintf(stderr, "got scan code event 0x%02X without a key code event\n",
+                        scancode);
+                return;
+        }
+
+        if (has_scan != 0)
+                printf("scan code: 0x%02X   ", scancode);
+        else
+                printf("(no scan code received)  ");
+
+        keyname = key_names[keycode];
+        if (keyname != NULL)
+                printf("key code: %s\n", format_keyname(keyname));
+        else
+                printf("key code: %03X\n", keycode);
 }
 
 static void interactive(int fd)
 {
-	struct input_event ev;
-	uint32_t last_scan = 0;
-	uint16_t last_key = 0;
-	int has_scan; /* boolean */
-	int has_key; /* 0: none, 1: release, 2: press */
-
-	/* grab input device */
-	ioctl(fd, EVIOCGRAB, 1);
-	puts("Press ESC to finish, or Control-C if this device is not your primary keyboard");
-
-	has_scan = has_key = 0;
-	while (read_event(fd, &ev)) {
-		/* Drivers usually send the scan code first, then the key code,
-		 * then a SYN. Some drivers (like thinkpad_acpi) send the key
-		 * code first, and some drivers might not send SYN events, so
-		 * keep a robust state machine which can deal with any of those
-		 */
-
-		if (ev.type == EV_MSC && ev.code == MSC_SCAN) {
-			if (has_scan) {
-				fputs("driver did not send SYN event in between key events; previous event:\n",
-				      stderr);
-				print_key(last_scan, last_key, has_scan, has_key);
-				has_key = 0;
-			}
-
-			last_scan = ev.value;
-			has_scan = 1;
-			/*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */
-		}
-		else if (ev.type == EV_KEY) {
-			if (has_key) {
-				fputs("driver did not send SYN event in between key events; previous event:\n",
-				      stderr);
-				print_key(last_scan, last_key, has_scan, has_key);
-				has_scan = 0;
-			}
-
-			last_key = ev.code;
-			has_key = 1 + ev.value;
-			/*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/
-
-			/* Stop on ESC */
-			if (ev.code == KEY_ESC && ev.value == 0)
-				break;
-		}
-		else if (ev.type == EV_SYN) {
-			/*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/
-			print_key(last_scan, last_key, has_scan, has_key);
-
-			has_scan = has_key = 0;
-		}
-
-	}
-
-	/* release input device */
-	ioctl(fd, EVIOCGRAB, 0);
+        struct input_event ev;
+        uint32_t last_scan = 0;
+        uint16_t last_key = 0;
+        int has_scan; /* boolean */
+        int has_key; /* 0: none, 1: release, 2: press */
+
+        /* grab input device */
+        ioctl(fd, EVIOCGRAB, 1);
+        puts("Press ESC to finish, or Control-C if this device is not your primary keyboard");
+
+        has_scan = has_key = 0;
+        while (read_event(fd, &ev)) {
+                /* Drivers usually send the scan code first, then the key code,
+                 * then a SYN. Some drivers (like thinkpad_acpi) send the key
+                 * code first, and some drivers might not send SYN events, so
+                 * keep a robust state machine which can deal with any of those
+                 */
+
+                if (ev.type == EV_MSC && ev.code == MSC_SCAN) {
+                        if (has_scan) {
+                                fputs("driver did not send SYN event in between key events; previous event:\n",
+                                      stderr);
+                                print_key(last_scan, last_key, has_scan, has_key);
+                                has_key = 0;
+                        }
+
+                        last_scan = ev.value;
+                        has_scan = 1;
+                        /*printf("--- got scan %u; has scan %i key %i\n", last_scan, has_scan, has_key); */
+                }
+                else if (ev.type == EV_KEY) {
+                        if (has_key) {
+                                fputs("driver did not send SYN event in between key events; previous event:\n",
+                                      stderr);
+                                print_key(last_scan, last_key, has_scan, has_key);
+                                has_scan = 0;
+                        }
+
+                        last_key = ev.code;
+                        has_key = 1 + ev.value;
+                        /*printf("--- got key %hu; has scan %i key %i\n", last_key, has_scan, has_key);*/
+
+                        /* Stop on ESC */
+                        if (ev.code == KEY_ESC && ev.value == 0)
+                                break;
+                }
+                else if (ev.type == EV_SYN) {
+                        /*printf("--- got SYN; has scan %i key %i\n", has_scan, has_key);*/
+                        print_key(last_scan, last_key, has_scan, has_key);
+
+                        has_scan = has_key = 0;
+                }
+
+        }
+
+        /* release input device */
+        ioctl(fd, EVIOCGRAB, 0);
 }
 
 static void help(int error)
 {
-	const char* h = "Usage: keymap <event device> [<map file>]\n"
-	                "       keymap <event device> scancode keyname [...]\n"
-		        "       keymap -i <event device>\n";
-	if (error) {
-		fputs(h, stderr);
-		exit(2);
-	} else {
-		fputs(h, stdout);
-		exit(0);
-	}
+        const char* h = "Usage: keymap <event device> [<map file>]\n"
+                        "       keymap <event device> scancode keyname [...]\n"
+                        "       keymap -i <event device>\n";
+        if (error) {
+                fputs(h, stderr);
+                exit(2);
+        } else {
+                fputs(h, stdout);
+                exit(0);
+        }
 }
 
 int main(int argc, char **argv)
 {
-	static const struct option options[] = {
-		{ "help", no_argument, NULL, 'h' },
-		{ "interactive", no_argument, NULL, 'i' },
-		{}
-	};
-	int fd = -1;
-	int opt_interactive = 0;
-	int i;
-
-	while (1) {
-		int option;
-
-		option = getopt_long(argc, argv, "hi", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'h':
-		        help(0);
-
-		case 'i':
-			opt_interactive = 1;
-			break;
-		default:
-			return 1;
-		}
-	}
-
-	if (argc < optind+1)
-		help (1);
-
-	if ((fd = evdev_open(argv[optind])) < 0)
-		return 3;
-
-	/* one argument (device): dump or interactive */
-	if (argc == optind+1) {
-		if (opt_interactive)
-			interactive(fd);
-		else
-			dump_table(fd);
-		return 0;
-	}
-
-	/* two arguments (device, mapfile): set map file */
-	if (argc == optind+2) {
-		const char *filearg = argv[optind+1];
-		if (strchr(filearg, '/')) {
-			/* Keymap file argument is a path */
-			FILE *f = fopen(filearg, "r");
-			if (f)
-				merge_table(fd, f);
-			else
-				perror(filearg);
-		} else {
-			/* Keymap file argument is a filename */
-			/* Open override file if present, otherwise default file */
-			char keymap_path[PATH_MAX];
-			snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg);
-			FILE *f = fopen(keymap_path, "r");
-			if (f) {
-				merge_table(fd, f);
-			} else {
-				snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg);
-				f = fopen(keymap_path, "r");
-				if (f)
-					merge_table(fd, f);
-				else
-					perror(keymap_path);
-			}
-		}
-		return 0;
-	}
-
-	/* more arguments (device, scancode/keyname pairs): set keys directly */
-	if ((argc - optind - 1) % 2 == 0) {
-		for (i = optind+1; i < argc; i += 2)
-			set_key(fd, argv[i], argv[i+1]);
-		return 0;
-	}
-
-	/* invalid number of arguments */
-	help(1);
-	return 1; /* not reached */
+        static const struct option options[] = {
+                { "help", no_argument, NULL, 'h' },
+                { "interactive", no_argument, NULL, 'i' },
+                {}
+        };
+        int fd = -1;
+        int opt_interactive = 0;
+        int i;
+
+        while (1) {
+                int option;
+
+                option = getopt_long(argc, argv, "hi", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'h':
+                        help(0);
+
+                case 'i':
+                        opt_interactive = 1;
+                        break;
+                default:
+                        return 1;
+                }
+        }
+
+        if (argc < optind+1)
+                help (1);
+
+        if ((fd = evdev_open(argv[optind])) < 0)
+                return 3;
+
+        /* one argument (device): dump or interactive */
+        if (argc == optind+1) {
+                if (opt_interactive)
+                        interactive(fd);
+                else
+                        dump_table(fd);
+                return 0;
+        }
+
+        /* two arguments (device, mapfile): set map file */
+        if (argc == optind+2) {
+                const char *filearg = argv[optind+1];
+                if (strchr(filearg, '/')) {
+                        /* Keymap file argument is a path */
+                        FILE *f = fopen(filearg, "r");
+                        if (f)
+                                merge_table(fd, f);
+                        else
+                                perror(filearg);
+                } else {
+                        /* Keymap file argument is a filename */
+                        /* Open override file if present, otherwise default file */
+                        char keymap_path[PATH_MAX];
+                        snprintf(keymap_path, sizeof(keymap_path), "%s%s", SYSCONFDIR "/udev/keymaps/", filearg);
+                        FILE *f = fopen(keymap_path, "r");
+                        if (f) {
+                                merge_table(fd, f);
+                        } else {
+                                snprintf(keymap_path, sizeof(keymap_path), "%s%s", PKGLIBEXECDIR "/keymaps/", filearg);
+                                f = fopen(keymap_path, "r");
+                                if (f)
+                                        merge_table(fd, f);
+                                else
+                                        perror(keymap_path);
+                        }
+                }
+                return 0;
+        }
+
+        /* more arguments (device, scancode/keyname pairs): set keys directly */
+        if ((argc - optind - 1) % 2 == 0) {
+                for (i = optind+1; i < argc; i += 2)
+                        set_key(fd, argv[i], argv[i+1]);
+                return 0;
+        }
+
+        /* invalid number of arguments */
+        help(1);
+        return 1; /* not reached */
 }