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authorMatt Kraai <kraai@debian.org>2001-07-23 14:52:08 +0000
committerMatt Kraai <kraai@debian.org>2001-07-23 14:52:08 +0000
commit439e3df65300100e4b63580141eaa238c30431d5 (patch)
treef74320f9994faf4d68826c95cb8d043e35d3a685
parent0139ca92ff4b960e904d18bc0254499e163e2545 (diff)
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Add support for devfs device names.
Diffstat
-rw-r--r--Changelog1
-rw-r--r--Config.h3
-rw-r--r--console-tools/dumpkmap.c4
-rw-r--r--console-tools/loadacm.c4
-rw-r--r--console-tools/loadfont.c4
-rw-r--r--console-tools/loadkmap.c4
-rw-r--r--dumpkmap.c4
-rw-r--r--include/libbb.h28
-rw-r--r--init.c26
-rw-r--r--init/init.c26
-rw-r--r--libbb/get_console.c8
-rw-r--r--libbb/libbb.h28
-rw-r--r--loadacm.c4
-rw-r--r--loadfont.c4
-rw-r--r--loadkmap.c4
-rw-r--r--more.c4
-rw-r--r--util-linux/more.c4
17 files changed, 102 insertions, 58 deletions
diff --git a/Changelog b/Changelog
index eadff4d14..76a5e4b94 100644
--- a/Changelog
+++ b/Changelog
@@ -9,6 +9,7 @@
9 Other Changes: 9 Other Changes:
10 * Vladimir Oleynik -- Fixed tr to support 'tr a-z A-Z' syntax, 10 * Vladimir Oleynik -- Fixed tr to support 'tr a-z A-Z' syntax,
11 many ash corrections, and others optimizations, and cleanups. 11 many ash corrections, and others optimizations, and cleanups.
12 * Matt Kraai -- Added BB_FEATURE_DEVFS to enable devfs device names.
12 13
13 14
14 -Not Yet Released 15 -Not Yet Released
diff --git a/Config.h b/Config.h
index d40a959eb..da62cbfda 100644
--- a/Config.h
+++ b/Config.h
@@ -407,6 +407,9 @@
407// Support for TELNET to pass TERM type to remote host. Adds 384 bytes. 407// Support for TELNET to pass TERM type to remote host. Adds 384 bytes.
408#define BB_FEATURE_TELNET_TTYPE 408#define BB_FEATURE_TELNET_TTYPE
409// 409//
410// Support for devfs.
411//#define BB_FEATURE_DEVFS
412//
410// End of Features List 413// End of Features List
411// 414//
412// 415//
diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c
index 0da01868b..22652a5e2 100644
--- a/console-tools/dumpkmap.c
+++ b/console-tools/dumpkmap.c
@@ -51,9 +51,9 @@ int dumpkmap_main(int argc, char **argv)
51 show_usage(); 51 show_usage();
52 } 52 }
53 53
54 fd = open("/dev/tty0", O_RDWR); 54 fd = open(CURRENT_VC, O_RDWR);
55 if (fd < 0) { 55 if (fd < 0) {
56 perror_msg("Error opening /dev/tty0"); 56 perror_msg("Error opening " CURRENT_VC);
57 return EXIT_FAILURE; 57 return EXIT_FAILURE;
58 } 58 }
59 59
diff --git a/console-tools/loadacm.c b/console-tools/loadacm.c
index 5dbf03e36..3fb4e7665 100644
--- a/console-tools/loadacm.c
+++ b/console-tools/loadacm.c
@@ -37,9 +37,9 @@ int loadacm_main(int argc, char **argv)
37 show_usage(); 37 show_usage();
38 } 38 }
39 39
40 fd = open("/dev/tty", O_RDWR); 40 fd = open(CURRENT_VC, O_RDWR);
41 if (fd < 0) { 41 if (fd < 0) {
42 perror_msg_and_die("Error opening /dev/tty1"); 42 perror_msg_and_die("Error opening " CURRENT_VC);
43 } 43 }
44 44
45 if (screen_map_load(fd, stdin)) { 45 if (screen_map_load(fd, stdin)) {
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
index 1a724ca85..d66500195 100644
--- a/console-tools/loadfont.c
+++ b/console-tools/loadfont.c
@@ -46,9 +46,9 @@ extern int loadfont_main(int argc, char **argv)
46 if (argc != 1) 46 if (argc != 1)
47 show_usage(); 47 show_usage();
48 48
49 fd = open("/dev/tty0", O_RDWR); 49 fd = open(CURRENT_VC, O_RDWR);
50 if (fd < 0) 50 if (fd < 0)
51 perror_msg_and_die("Error opening /dev/tty0"); 51 perror_msg_and_die("Error opening " CURRENT_VC);
52 loadnewfont(fd); 52 loadnewfont(fd);
53 53
54 return EXIT_SUCCESS; 54 return EXIT_SUCCESS;
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
index dcb5c1caa..4f217d630 100644
--- a/console-tools/loadkmap.c
+++ b/console-tools/loadkmap.c
@@ -53,9 +53,9 @@ int loadkmap_main(int argc, char **argv)
53 if (argc != 1) 53 if (argc != 1)
54 show_usage(); 54 show_usage();
55 55
56 fd = open("/dev/tty0", O_RDWR); 56 fd = open(CURRENT_VC, O_RDWR);
57 if (fd < 0) 57 if (fd < 0)
58 perror_msg_and_die("Error opening /dev/tty0"); 58 perror_msg_and_die("Error opening " CURRENT_VC);
59 59
60 read(0, buff, 7); 60 read(0, buff, 7);
61 if (0 != strncmp(buff, BINARY_KEYMAP_MAGIC, 7)) 61 if (0 != strncmp(buff, BINARY_KEYMAP_MAGIC, 7))
diff --git a/dumpkmap.c b/dumpkmap.c
index 0da01868b..22652a5e2 100644
--- a/dumpkmap.c
+++ b/dumpkmap.c
@@ -51,9 +51,9 @@ int dumpkmap_main(int argc, char **argv)
51 show_usage(); 51 show_usage();
52 } 52 }
53 53
54 fd = open("/dev/tty0", O_RDWR); 54 fd = open(CURRENT_VC, O_RDWR);
55 if (fd < 0) { 55 if (fd < 0) {
56 perror_msg("Error opening /dev/tty0"); 56 perror_msg("Error opening " CURRENT_VC);
57 return EXIT_FAILURE; 57 return EXIT_FAILURE;
58 } 58 }
59 59
diff --git a/include/libbb.h b/include/libbb.h
index c167e10bc..3cf932dc4 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -288,4 +288,32 @@ extern const char * const name_longer_than_foo;
288extern const char * const unknown; 288extern const char * const unknown;
289extern const char * const can_not_create_raw_socket; 289extern const char * const can_not_create_raw_socket;
290 290
291#ifdef BB_FEATURE_DEVFS
292# define CURRENT_VC "/dev/vc/0"
293# define VC_1 "/dev/vc/1"
294# define VC_2 "/dev/vc/2"
295# define VC_3 "/dev/vc/3"
296# define VC_4 "/dev/vc/4"
297# define VC_5 "/dev/vc/5"
298# define SC_0 "/dev/tts/0"
299# define SC_1 "/dev/tts/1"
300# define VC_FORMAT "/dev/vc/%d"
301# define SC_FORMAT "/dev/tts/%d"
302#else
303# define CURRENT_VC "/dev/tty0"
304# define VC_1 "/dev/tty1"
305# define VC_2 "/dev/tty2"
306# define VC_3 "/dev/tty3"
307# define VC_4 "/dev/tty4"
308# define VC_5 "/dev/tty5"
309# define SC_0 "/dev/ttyS0"
310# define SC_1 "/dev/ttyS1"
311# define VC_FORMAT "/dev/tty%d"
312# define SC_FORMAT "/dev/ttyS%d"
313#endif
314
315/* The following devices are the same on devfs and non-devfs systems. */
316#define CURRENT_TTY "/dev/tty"
317#define CONSOLE_DEV "/dev/console"
318
291#endif /* __LIBBB_H__ */ 319#endif /* __LIBBB_H__ */
diff --git a/init.c b/init.c
index ec144ea85..f397b7e0a 100644
--- a/init.c
+++ b/init.c
@@ -117,13 +117,6 @@ static const int RB_AUTOBOOT = 0x01234567;
117#endif 117#endif
118 118
119 119
120#define VT_PRIMARY "/dev/tty1" /* Primary virtual console */
121#define VT_SECONDARY "/dev/tty2" /* Virtual console */
122#define VT_THIRD "/dev/tty3" /* Virtual console */
123#define VT_FOURTH "/dev/tty4" /* Virtual console */
124#define VT_LOG "/dev/tty5" /* Virtual console */
125#define SERIAL_CON0 "/dev/ttyS0" /* Primary serial console */
126#define SERIAL_CON1 "/dev/ttyS1" /* Serial console */
127#define SHELL "/bin/sh" /* Default shell */ 120#define SHELL "/bin/sh" /* Default shell */
128#define LOGIN_SHELL "-" SHELL /* Default login shell */ 121#define LOGIN_SHELL "-" SHELL /* Default login shell */
129#define INITTAB "/etc/inittab" /* inittab file location */ 122#define INITTAB "/etc/inittab" /* inittab file location */
@@ -176,10 +169,10 @@ struct initActionTag {
176static initAction *initActionList = NULL; 169static initAction *initActionList = NULL;
177 170
178 171
179static char *secondConsole = VT_SECONDARY; 172static char *secondConsole = VC_2;
180static char *thirdConsole = VT_THIRD; 173static char *thirdConsole = VC_3;
181static char *fourthConsole = VT_FOURTH; 174static char *fourthConsole = VC_4;
182static char *log = VT_LOG; 175static char *log = VC_5;
183static int kernelVersion = 0; 176static int kernelVersion = 0;
184static char termType[32] = "TERM=linux"; 177static char termType[32] = "TERM=linux";
185static char console[32] = _PATH_CONSOLE; 178static char console[32] = _PATH_CONSOLE;
@@ -341,20 +334,19 @@ static void console_init()
341 else if ((s = getenv("console")) != NULL) { 334 else if ((s = getenv("console")) != NULL) {
342 /* remap tty[ab] to /dev/ttyS[01] */ 335 /* remap tty[ab] to /dev/ttyS[01] */
343 if (strcmp(s, "ttya") == 0) 336 if (strcmp(s, "ttya") == 0)
344 safe_strncpy(console, SERIAL_CON0, sizeof(console)); 337 safe_strncpy(console, SC_0, sizeof(console));
345 else if (strcmp(s, "ttyb") == 0) 338 else if (strcmp(s, "ttyb") == 0)
346 safe_strncpy(console, SERIAL_CON1, sizeof(console)); 339 safe_strncpy(console, SC_1, sizeof(console));
347 } 340 }
348#endif 341#endif
349 else { 342 else {
350 /* 2.2 kernels: identify the real console backend and try to use it */ 343 /* 2.2 kernels: identify the real console backend and try to use it */
351 if (ioctl(0, TIOCGSERIAL, &sr) == 0) { 344 if (ioctl(0, TIOCGSERIAL, &sr) == 0) {
352 /* this is a serial console */ 345 /* this is a serial console */
353 snprintf(console, sizeof(console) - 1, "/dev/ttyS%d", sr.line); 346 snprintf(console, sizeof(console) - 1, SC_FORMAT, sr.line);
354 } else if (ioctl(0, VT_GETSTATE, &vt) == 0) { 347 } else if (ioctl(0, VT_GETSTATE, &vt) == 0) {
355 /* this is linux virtual tty */ 348 /* this is linux virtual tty */
356 snprintf(console, sizeof(console) - 1, "/dev/tty%d", 349 snprintf(console, sizeof(console) - 1, VC_FORMAT, vt.v_active);
357 vt.v_active);
358 } else { 350 } else {
359 safe_strncpy(console, _PATH_CONSOLE, sizeof(console)); 351 safe_strncpy(console, _PATH_CONSOLE, sizeof(console));
360 tried_devcons++; 352 tried_devcons++;
@@ -371,7 +363,7 @@ static void console_init()
371 /* Can't open selected console -- try vt1 */ 363 /* Can't open selected console -- try vt1 */
372 if (!tried_vtprimary) { 364 if (!tried_vtprimary) {
373 tried_vtprimary++; 365 tried_vtprimary++;
374 safe_strncpy(console, VT_PRIMARY, sizeof(console)); 366 safe_strncpy(console, VC_1, sizeof(console));
375 continue; 367 continue;
376 } 368 }
377 break; 369 break;
diff --git a/init/init.c b/init/init.c
index ec144ea85..f397b7e0a 100644
--- a/init/init.c
+++ b/init/init.c
@@ -117,13 +117,6 @@ static const int RB_AUTOBOOT = 0x01234567;
117#endif 117#endif
118 118
119 119
120#define VT_PRIMARY "/dev/tty1" /* Primary virtual console */
121#define VT_SECONDARY "/dev/tty2" /* Virtual console */
122#define VT_THIRD "/dev/tty3" /* Virtual console */
123#define VT_FOURTH "/dev/tty4" /* Virtual console */
124#define VT_LOG "/dev/tty5" /* Virtual console */
125#define SERIAL_CON0 "/dev/ttyS0" /* Primary serial console */
126#define SERIAL_CON1 "/dev/ttyS1" /* Serial console */
127#define SHELL "/bin/sh" /* Default shell */ 120#define SHELL "/bin/sh" /* Default shell */
128#define LOGIN_SHELL "-" SHELL /* Default login shell */ 121#define LOGIN_SHELL "-" SHELL /* Default login shell */
129#define INITTAB "/etc/inittab" /* inittab file location */ 122#define INITTAB "/etc/inittab" /* inittab file location */
@@ -176,10 +169,10 @@ struct initActionTag {
176static initAction *initActionList = NULL; 169static initAction *initActionList = NULL;
177 170
178 171
179static char *secondConsole = VT_SECONDARY; 172static char *secondConsole = VC_2;
180static char *thirdConsole = VT_THIRD; 173static char *thirdConsole = VC_3;
181static char *fourthConsole = VT_FOURTH; 174static char *fourthConsole = VC_4;
182static char *log = VT_LOG; 175static char *log = VC_5;
183static int kernelVersion = 0; 176static int kernelVersion = 0;
184static char termType[32] = "TERM=linux"; 177static char termType[32] = "TERM=linux";
185static char console[32] = _PATH_CONSOLE; 178static char console[32] = _PATH_CONSOLE;
@@ -341,20 +334,19 @@ static void console_init()
341 else if ((s = getenv("console")) != NULL) { 334 else if ((s = getenv("console")) != NULL) {
342 /* remap tty[ab] to /dev/ttyS[01] */ 335 /* remap tty[ab] to /dev/ttyS[01] */
343 if (strcmp(s, "ttya") == 0) 336 if (strcmp(s, "ttya") == 0)
344 safe_strncpy(console, SERIAL_CON0, sizeof(console)); 337 safe_strncpy(console, SC_0, sizeof(console));
345 else if (strcmp(s, "ttyb") == 0) 338 else if (strcmp(s, "ttyb") == 0)
346 safe_strncpy(console, SERIAL_CON1, sizeof(console)); 339 safe_strncpy(console, SC_1, sizeof(console));
347 } 340 }
348#endif 341#endif
349 else { 342 else {
350 /* 2.2 kernels: identify the real console backend and try to use it */ 343 /* 2.2 kernels: identify the real console backend and try to use it */
351 if (ioctl(0, TIOCGSERIAL, &sr) == 0) { 344 if (ioctl(0, TIOCGSERIAL, &sr) == 0) {
352 /* this is a serial console */ 345 /* this is a serial console */
353 snprintf(console, sizeof(console) - 1, "/dev/ttyS%d", sr.line); 346 snprintf(console, sizeof(console) - 1, SC_FORMAT, sr.line);
354 } else if (ioctl(0, VT_GETSTATE, &vt) == 0) { 347 } else if (ioctl(0, VT_GETSTATE, &vt) == 0) {
355 /* this is linux virtual tty */ 348 /* this is linux virtual tty */
356 snprintf(console, sizeof(console) - 1, "/dev/tty%d", 349 snprintf(console, sizeof(console) - 1, VC_FORMAT, vt.v_active);
357 vt.v_active);
358 } else { 350 } else {
359 safe_strncpy(console, _PATH_CONSOLE, sizeof(console)); 351 safe_strncpy(console, _PATH_CONSOLE, sizeof(console));
360 tried_devcons++; 352 tried_devcons++;
@@ -371,7 +363,7 @@ static void console_init()
371 /* Can't open selected console -- try vt1 */ 363 /* Can't open selected console -- try vt1 */
372 if (!tried_vtprimary) { 364 if (!tried_vtprimary) {
373 tried_vtprimary++; 365 tried_vtprimary++;
374 safe_strncpy(console, VT_PRIMARY, sizeof(console)); 366 safe_strncpy(console, VC_1, sizeof(console));
375 continue; 367 continue;
376 } 368 }
377 break; 369 break;
diff --git a/libbb/get_console.c b/libbb/get_console.c
index 4be9adc84..3b36a59e7 100644
--- a/libbb/get_console.c
+++ b/libbb/get_console.c
@@ -98,15 +98,15 @@ int get_console_fd(char *tty_name)
98 return fd; 98 return fd;
99 } 99 }
100 100
101 fd = open_a_console("/dev/tty"); 101 fd = open_a_console(CURRENT_TTY);
102 if (fd >= 0) 102 if (fd >= 0)
103 return fd; 103 return fd;
104 104
105 fd = open_a_console("/dev/tty0"); 105 fd = open_a_console(CURRENT_VC);
106 if (fd >= 0) 106 if (fd >= 0)
107 return fd; 107 return fd;
108 108
109 fd = open_a_console("/dev/console"); 109 fd = open_a_console(CONSOLE_DEV);
110 if (fd >= 0) 110 if (fd >= 0)
111 return fd; 111 return fd;
112 112
@@ -114,7 +114,7 @@ int get_console_fd(char *tty_name)
114 if (is_a_console(fd)) 114 if (is_a_console(fd))
115 return fd; 115 return fd;
116 116
117 error_msg("Couldnt get a file descriptor referring to the console"); 117 error_msg("Couldn't get a file descriptor referring to the console");
118 return -1; /* total failure */ 118 return -1; /* total failure */
119} 119}
120 120
diff --git a/libbb/libbb.h b/libbb/libbb.h
index c167e10bc..3cf932dc4 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -288,4 +288,32 @@ extern const char * const name_longer_than_foo;
288extern const char * const unknown; 288extern const char * const unknown;
289extern const char * const can_not_create_raw_socket; 289extern const char * const can_not_create_raw_socket;
290 290
291#ifdef BB_FEATURE_DEVFS
292# define CURRENT_VC "/dev/vc/0"
293# define VC_1 "/dev/vc/1"
294# define VC_2 "/dev/vc/2"
295# define VC_3 "/dev/vc/3"
296# define VC_4 "/dev/vc/4"
297# define VC_5 "/dev/vc/5"
298# define SC_0 "/dev/tts/0"
299# define SC_1 "/dev/tts/1"
300# define VC_FORMAT "/dev/vc/%d"
301# define SC_FORMAT "/dev/tts/%d"
302#else
303# define CURRENT_VC "/dev/tty0"
304# define VC_1 "/dev/tty1"
305# define VC_2 "/dev/tty2"
306# define VC_3 "/dev/tty3"
307# define VC_4 "/dev/tty4"
308# define VC_5 "/dev/tty5"
309# define SC_0 "/dev/ttyS0"
310# define SC_1 "/dev/ttyS1"
311# define VC_FORMAT "/dev/tty%d"
312# define SC_FORMAT "/dev/ttyS%d"
313#endif
314
315/* The following devices are the same on devfs and non-devfs systems. */
316#define CURRENT_TTY "/dev/tty"
317#define CONSOLE_DEV "/dev/console"
318
291#endif /* __LIBBB_H__ */ 319#endif /* __LIBBB_H__ */
diff --git a/loadacm.c b/loadacm.c
index 5dbf03e36..3fb4e7665 100644
--- a/loadacm.c
+++ b/loadacm.c
@@ -37,9 +37,9 @@ int loadacm_main(int argc, char **argv)
37 show_usage(); 37 show_usage();
38 } 38 }
39 39
40 fd = open("/dev/tty", O_RDWR); 40 fd = open(CURRENT_VC, O_RDWR);
41 if (fd < 0) { 41 if (fd < 0) {
42 perror_msg_and_die("Error opening /dev/tty1"); 42 perror_msg_and_die("Error opening " CURRENT_VC);
43 } 43 }
44 44
45 if (screen_map_load(fd, stdin)) { 45 if (screen_map_load(fd, stdin)) {
diff --git a/loadfont.c b/loadfont.c
index 1a724ca85..d66500195 100644
--- a/loadfont.c
+++ b/loadfont.c
@@ -46,9 +46,9 @@ extern int loadfont_main(int argc, char **argv)
46 if (argc != 1) 46 if (argc != 1)
47 show_usage(); 47 show_usage();
48 48
49 fd = open("/dev/tty0", O_RDWR); 49 fd = open(CURRENT_VC, O_RDWR);
50 if (fd < 0) 50 if (fd < 0)
51 perror_msg_and_die("Error opening /dev/tty0"); 51 perror_msg_and_die("Error opening " CURRENT_VC);
52 loadnewfont(fd); 52 loadnewfont(fd);
53 53
54 return EXIT_SUCCESS; 54 return EXIT_SUCCESS;
diff --git a/loadkmap.c b/loadkmap.c
index dcb5c1caa..4f217d630 100644
--- a/loadkmap.c
+++ b/loadkmap.c
@@ -53,9 +53,9 @@ int loadkmap_main(int argc, char **argv)
53 if (argc != 1) 53 if (argc != 1)
54 show_usage(); 54 show_usage();
55 55
56 fd = open("/dev/tty0", O_RDWR); 56 fd = open(CURRENT_VC, O_RDWR);
57 if (fd < 0) 57 if (fd < 0)
58 perror_msg_and_die("Error opening /dev/tty0"); 58 perror_msg_and_die("Error opening " CURRENT_VC);
59 59
60 read(0, buff, 7); 60 read(0, buff, 7);
61 if (0 != strncmp(buff, BINARY_KEYMAP_MAGIC, 7)) 61 if (0 != strncmp(buff, BINARY_KEYMAP_MAGIC, 7))
diff --git a/more.c b/more.c
index 6cdec729b..780cddf66 100644
--- a/more.c
+++ b/more.c
@@ -79,9 +79,9 @@ extern int more_main(int argc, char **argv)
79 79
80 /* not use inputing from terminal if usage: more > outfile */ 80 /* not use inputing from terminal if usage: more > outfile */
81 if(isatty(fileno(stdout))) { 81 if(isatty(fileno(stdout))) {
82 cin = fopen("/dev/tty", "r"); 82 cin = fopen(CURRENT_TTY, "r");
83 if (!cin) 83 if (!cin)
84 cin = xfopen("/dev/console", "r"); 84 cin = xfopen(CONSOLE_DEV, "r");
85 please_display_more_prompt = 0; 85 please_display_more_prompt = 0;
86#ifdef BB_FEATURE_USE_TERMIOS 86#ifdef BB_FEATURE_USE_TERMIOS
87 getTermSettings(fileno(cin), &initial_settings); 87 getTermSettings(fileno(cin), &initial_settings);
diff --git a/util-linux/more.c b/util-linux/more.c
index 6cdec729b..780cddf66 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -79,9 +79,9 @@ extern int more_main(int argc, char **argv)
79 79
80 /* not use inputing from terminal if usage: more > outfile */ 80 /* not use inputing from terminal if usage: more > outfile */
81 if(isatty(fileno(stdout))) { 81 if(isatty(fileno(stdout))) {
82 cin = fopen("/dev/tty", "r"); 82 cin = fopen(CURRENT_TTY, "r");
83 if (!cin) 83 if (!cin)
84 cin = xfopen("/dev/console", "r"); 84 cin = xfopen(CONSOLE_DEV, "r");
85 please_display_more_prompt = 0; 85 please_display_more_prompt = 0;
86#ifdef BB_FEATURE_USE_TERMIOS 86#ifdef BB_FEATURE_USE_TERMIOS
87 getTermSettings(fileno(cin), &initial_settings); 87 getTermSettings(fileno(cin), &initial_settings);
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-18 10:53:23 +0000