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lib/tty/key.c: fix coding style.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2019-04-13 13:28:09 +03:00
parent 94eff3e2fd
commit 8724c80b7a
1 changed files with 92 additions and 92 deletions
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164
lib/tty/key.c
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@ -619,12 +619,12 @@ check_selects (fd_set * select_set)
/* If set timeout is set, then we wait 0.1 seconds, else, we block */ /* If set timeout is set, then we wait 0.1 seconds, else, we block */
static void static void
try_channels (int set_timeout) try_channels (gboolean set_timeout)
{ {
struct timeval time_out; struct timeval time_out;
static fd_set select_set; static fd_set select_set;
while (1) while (TRUE)
{ {
struct timeval *timeptr = NULL; struct timeval *timeptr = NULL;
int maxfdp, v; int maxfdp, v;
@ -657,7 +657,7 @@ create_sequence (const char *seq, int code, int action)
{ {
key_def *base, *p, *attach; key_def *base, *p, *attach;
for (base = attach = NULL; *seq; seq++) for (base = attach = NULL; *seq != '\0'; seq++)
{ {
p = g_new (key_def, 1); p = g_new (key_def, 1);
if (base == NULL) if (base == NULL)
@ -714,18 +714,20 @@ getch_with_delay (void)
/* This routine could be used on systems without mouse support, /* This routine could be used on systems without mouse support,
so we need to do the select check :-( */ so we need to do the select check :-( */
while (1) while (TRUE)
{ {
if (pending_keys == NULL) if (pending_keys == NULL)
try_channels (0); try_channels (FALSE);
/* Try to get a character */ /* Try to get a character */
c = get_key_code (0); c = get_key_code (0);
if (c != -1) if (c != -1)
break; break;
/* Failed -> wait 0.1 secs and try again */ /* Failed -> wait 0.1 secs and try again */
try_channels (1); try_channels (TRUE);
} }
/* Success -> return the character */ /* Success -> return the character */
return c; return c;
} }
@ -762,8 +764,10 @@ xmouse_get_event (Gpm_Event * ev, gboolean extended)
so that the released button can be reported. so that the released button can be reported.
- Numbers are no longer offset by 32. */ - Numbers are no longer offset by 32. */
char c; char c;
btn = ev->x = ev->y = 0; btn = ev->x = ev->y = 0;
ev->type = 0; /* In case we return on an invalid sequence */ ev->type = 0; /* In case we return on an invalid sequence */
while ((c = tty_lowlevel_getch ()) != ';') while ((c = tty_lowlevel_getch ()) != ';')
{ {
if (c < '0' || c > '9') if (c < '0' || c > '9')
@ -832,7 +836,7 @@ xmouse_get_event (Gpm_Event * ev, gboolean extended)
ev->type = GPM_DOWN; ev->type = GPM_DOWN;
GET_TIME (tv2); GET_TIME (tv2);
if (tv1.tv_sec && (DIF_TIME (tv1, tv2) < double_click_speed)) if (tv1.tv_sec != 0 && DIF_TIME (tv1, tv2) < double_click_speed)
{ {
clicks++; clicks++;
clicks %= 3; clicks %= 3;
@ -883,10 +887,8 @@ get_modifier (void)
{ {
int result = 0; int result = 0;
#ifdef __QNXNTO__ #ifdef __QNXNTO__
int mod_status;
static int in_photon = 0; static int in_photon = 0;
static int ph_ig = 0; static int ph_ig = 0;
PhCursorInfo_t cursor_info;
#endif /* __QNXNTO__ */ #endif /* __QNXNTO__ */
#ifdef HAVE_TEXTMODE_X11_SUPPORT #ifdef HAVE_TEXTMODE_X11_SUPPORT
@ -900,44 +902,45 @@ get_modifier (void)
mc_XQueryPointer (x11_display, x11_window, &root, &child, &root_x, mc_XQueryPointer (x11_display, x11_window, &root, &child, &root_x,
&root_y, &win_x, &win_y, &mask); &root_y, &win_x, &win_y, &mask);
if (mask & ShiftMask) if ((mask & ShiftMask) != 0)
result |= KEY_M_SHIFT; result |= KEY_M_SHIFT;
if (mask & ControlMask) if ((mask & ControlMask) != 0)
result |= KEY_M_CTRL; result |= KEY_M_CTRL;
return result; return result;
} }
#endif /* HAVE_TEXTMODE_X11_SUPPORT */ #endif /* HAVE_TEXTMODE_X11_SUPPORT */
#ifdef __QNXNTO__
#ifdef __QNXNTO__
if (in_photon == 0) if (in_photon == 0)
{ {
/* First time here, let's load Photon library and attach /* First time here, let's load Photon library and attach to Photon */
to Photon */
in_photon = -1; in_photon = -1;
if (getenv ("PHOTON2_PATH") != NULL) if (getenv ("PHOTON2_PATH") != NULL)
{ {
/* QNX 6.x has no support for RTLD_LAZY */ /* QNX 6.x has no support for RTLD_LAZY */
void *ph_handle = dlopen ("/usr/lib/libph.so", RTLD_NOW); void *ph_handle;
ph_handle = dlopen ("/usr/lib/libph.so", RTLD_NOW);
if (ph_handle != NULL) if (ph_handle != NULL)
{ {
ph_attach = (ph_dv_f) dlsym (ph_handle, "PhAttach"); ph_attach = (ph_dv_f) dlsym (ph_handle, "PhAttach");
ph_input_group = (ph_ov_f) dlsym (ph_handle, "PhInputGroup"); ph_input_group = (ph_ov_f) dlsym (ph_handle, "PhInputGroup");
ph_query_cursor = (ph_pqc_f) dlsym (ph_handle, "PhQueryCursor"); ph_query_cursor = (ph_pqc_f) dlsym (ph_handle, "PhQueryCursor");
if ((ph_attach != NULL) && (ph_input_group != NULL) && (ph_query_cursor != NULL)) if ((ph_attach != NULL) && (ph_input_group != NULL) && (ph_query_cursor != NULL)
&& (*ph_attach) (0, 0) != NULL)
{ {
if ((*ph_attach) (0, 0)) /* Attached */
{ /* Attached */
ph_ig = (*ph_input_group) (0); ph_ig = (*ph_input_group) (0);
in_photon = 1; in_photon = 1;
} }
} }
} }
} }
} /* We do not have Photon running. Assume we are in text console or xterm */
/* We do not have Photon running. Assume we are in text
console or xterm */
if (in_photon == -1) if (in_photon == -1)
{ {
int mod_status;
int shift_ext_status; int shift_ext_status;
if (devctl (fileno (stdin), DCMD_CHR_LINESTATUS, &mod_status, sizeof (mod_status), NULL) == if (devctl (fileno (stdin), DCMD_CHR_LINESTATUS, &mod_status, sizeof (mod_status), NULL) ==
@ -946,21 +949,23 @@ get_modifier (void)
shift_ext_status = mod_status & 0xffffff00UL; shift_ext_status = mod_status & 0xffffff00UL;
mod_status &= 0x7f; mod_status &= 0x7f;
if (mod_status & _LINESTATUS_CON_ALT) if ((mod_status & _LINESTATUS_CON_ALT) != 0)
result |= KEY_M_ALT; result |= KEY_M_ALT;
if (mod_status & _LINESTATUS_CON_CTRL) if ((mod_status & _LINESTATUS_CON_CTRL) != 0)
result |= KEY_M_CTRL; result |= KEY_M_CTRL;
if ((mod_status & _LINESTATUS_CON_SHIFT) || (shift_ext_status & 0x00000800UL)) if ((mod_status & _LINESTATUS_CON_SHIFT) != 0 || (shift_ext_status & 0x00000800UL) != 0)
result |= KEY_M_SHIFT; result |= KEY_M_SHIFT;
} }
else else
{ {
PhCursorInfo_t cursor_info;
(*ph_query_cursor) (ph_ig, &cursor_info); (*ph_query_cursor) (ph_ig, &cursor_info);
if (cursor_info.key_mods & 0x04) if ((cursor_info.key_mods & 0x04) != 0)
result |= KEY_M_ALT; result |= KEY_M_ALT;
if (cursor_info.key_mods & 0x02) if ((cursor_info.key_mods & 0x02) != 0)
result |= KEY_M_CTRL; result |= KEY_M_CTRL;
if (cursor_info.key_mods & 0x01) if ((cursor_info.key_mods & 0x01) != 0)
result |= KEY_M_SHIFT; result |= KEY_M_SHIFT;
} }
#endif /* __QNXNTO__ */ #endif /* __QNXNTO__ */
@ -973,14 +978,15 @@ get_modifier (void)
return 0; return 0;
/* Translate Linux modifiers into mc modifiers */ /* Translate Linux modifiers into mc modifiers */
if (modifiers & SHIFT_PRESSED) if ((modifiers & SHIFT_PRESSED) != 0)
result |= KEY_M_SHIFT; result |= KEY_M_SHIFT;
if (modifiers & (ALTL_PRESSED | ALTR_PRESSED)) if ((modifiers & (ALTL_PRESSED | ALTR_PRESSED)) != 0)
result |= KEY_M_ALT; result |= KEY_M_ALT;
if (modifiers & CONTROL_PRESSED) if ((modifiers & CONTROL_PRESSED) != 0)
result |= KEY_M_CTRL; result |= KEY_M_CTRL;
} }
#endif /* !__linux__ */ #endif /* !__linux__ */
return result; return result;
} }
@ -997,7 +1003,7 @@ push_char (int c)
if (seq_append != &(seq_buffer[SEQ_BUFFER_LEN - 2])) if (seq_append != &(seq_buffer[SEQ_BUFFER_LEN - 2]))
{ {
*(seq_append++) = c; *(seq_append++) = c;
*seq_append = 0; *seq_append = '\0';
ret = TRUE; ret = TRUE;
} }
@ -1022,9 +1028,7 @@ correct_key_code (int code)
* Ordinary characters only get modifiers from sequences. * Ordinary characters only get modifiers from sequences.
*/ */
if (c < 32 || c >= 256) if (c < 32 || c >= 256)
{
mod |= get_modifier (); mod |= get_modifier ();
}
/* This is needed if the newline is reported as carriage return */ /* This is needed if the newline is reported as carriage return */
if (c == '\r') if (c == '\r')
@ -1058,54 +1062,47 @@ correct_key_code (int code)
mod &= ~KEY_M_CTRL; mod &= ~KEY_M_CTRL;
} }
else if (c < 32 && c != ESC_CHAR && c != '\t' && c != '\n') else if (c < 32 && c != ESC_CHAR && c != '\t' && c != '\n')
{
mod |= KEY_M_CTRL; mod |= KEY_M_CTRL;
}
#ifdef __QNXNTO__ #ifdef __QNXNTO__
qmod = get_modifier (); qmod = get_modifier ();
if ((c == 127) && (mod == 0)) if (c == 127 && mod == 0)
{ /* Add Ctrl/Alt/Shift-BackSpace */ {
/* Add Ctrl/Alt/Shift-BackSpace */
mod |= get_modifier (); mod |= get_modifier ();
c = KEY_BACKSPACE; c = KEY_BACKSPACE;
} }
if ((c == '0') && (mod == 0)) if (c == '0' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
{ /* Add Shift-Insert on key pad */
if ((qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
{ {
/* Add Shift-Insert on key pad */
mod = KEY_M_SHIFT; mod = KEY_M_SHIFT;
c = KEY_IC; c = KEY_IC;
} }
}
if ((c == '.') && (mod == 0)) if (c == '.' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
{ /* Add Shift-Del on key pad */
if ((qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
{ {
/* Add Shift-Del on key pad */
mod = KEY_M_SHIFT; mod = KEY_M_SHIFT;
c = KEY_DC; c = KEY_DC;
} }
}
#endif /* __QNXNTO__ */ #endif /* __QNXNTO__ */
/* Unrecognized 0177 is delete (preserve Ctrl) */ /* Unrecognized 0177 is delete (preserve Ctrl) */
if (c == 0177) if (c == 0177)
{
c = KEY_BACKSPACE; c = KEY_BACKSPACE;
}
#if 0 #if 0
/* Unrecognized Ctrl-d is delete */ /* Unrecognized Ctrl-d is delete */
if (c == (31 & 'd')) if (c == 'd' & 31)
{ {
c = KEY_DC; c = KEY_DC;
mod &= ~KEY_M_CTRL; mod &= ~KEY_M_CTRL;
} }
/* Unrecognized Ctrl-h is backspace */ /* Unrecognized Ctrl-h is backspace */
if (c == (31 & 'h')) if (c == 'h' & 31)
{ {
c = KEY_BACKSPACE; c = KEY_BACKSPACE;
mod &= ~KEY_M_CTRL; mod &= ~KEY_M_CTRL;
@ -1113,22 +1110,16 @@ correct_key_code (int code)
#endif #endif
/* Shift+BackSpace is backspace */ /* Shift+BackSpace is backspace */
if (c == KEY_BACKSPACE && (mod & KEY_M_SHIFT)) if (c == KEY_BACKSPACE && (mod & KEY_M_SHIFT) != 0)
{
mod &= ~KEY_M_SHIFT; mod &= ~KEY_M_SHIFT;
}
/* Convert Shift+Fn to F(n+10) */ /* Convert Shift+Fn to F(n+10) */
if (c >= KEY_F (1) && c <= KEY_F (10) && (mod & KEY_M_SHIFT)) if (c >= KEY_F (1) && c <= KEY_F (10) && (mod & KEY_M_SHIFT) != 0)
{
c += 10; c += 10;
}
/* Remove Shift information from function keys */ /* Remove Shift information from function keys */
if (c >= KEY_F (1) && c <= KEY_F (20)) if (c >= KEY_F (1) && c <= KEY_F (20))
{
mod &= ~KEY_M_SHIFT; mod &= ~KEY_M_SHIFT;
}
if (!mc_global.tty.alternate_plus_minus) if (!mc_global.tty.alternate_plus_minus)
switch (c) switch (c)
@ -1176,6 +1167,7 @@ learn_store_key (char *buffer, char **p, int c)
{ {
if (*p - buffer > 253) if (*p - buffer > 253)
return; return;
if (c == ESC_CHAR) if (c == ESC_CHAR)
{ {
*(*p)++ = '\\'; *(*p)++ = '\\';
@ -1238,19 +1230,17 @@ sort_key_conv_tab (enum KeySortType type_sort)
if (has_been_sorted != type_sort) if (has_been_sorted != type_sort)
{ {
size_t i; size_t i;
for (i = 0; i < key_conv_tab_size; i++) for (i = 0; i < key_conv_tab_size; i++)
key_conv_tab_sorted[i] = &key_name_conv_tab[i]; key_conv_tab_sorted[i] = &key_name_conv_tab[i];
if (type_sort == KEY_SORTBYNAME) if (type_sort == KEY_SORTBYNAME)
{
qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]), qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
&key_code_comparator_by_name); &key_code_comparator_by_name);
}
else if (type_sort == KEY_SORTBYCODE) else if (type_sort == KEY_SORTBYCODE)
{
qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]), qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
&key_code_comparator_by_code); &key_code_comparator_by_code);
}
has_been_sorted = type_sort; has_been_sorted = type_sort;
} }
} }
@ -1324,7 +1314,9 @@ lookup_keycode (const long code, int *idx)
void void
init_key (void) init_key (void)
{ {
const char *term = getenv ("TERM"); const char *term;
term = getenv ("TERM");
/* This has to be the first define_sequence */ /* This has to be the first define_sequence */
/* So, we can assume that the first keys member has ESC */ /* So, we can assume that the first keys member has ESC */
@ -1580,15 +1572,13 @@ lookup_key_by_code (const int keycode)
if (lookup_keycode (k, &key_idx) || (k > 0 && k < 256)) if (lookup_keycode (k, &key_idx) || (k > 0 && k < 256))
{ {
if (mod & KEY_M_ALT) if ((mod & KEY_M_ALT) != 0 && lookup_keycode (KEY_M_ALT, &idx))
{
if (lookup_keycode (KEY_M_ALT, &idx))
{ {
g_string_append (s, key_conv_tab_sorted[idx]->name); g_string_append (s, key_conv_tab_sorted[idx]->name);
g_string_append_c (s, '-'); g_string_append_c (s, '-');
} }
}
if (mod & KEY_M_CTRL) if ((mod & KEY_M_CTRL) != 0)
{ {
/* non printeble chars like a CTRL-[A..Z] */ /* non printeble chars like a CTRL-[A..Z] */
if (k < 32) if (k < 32)
@ -1600,7 +1590,8 @@ lookup_key_by_code (const int keycode)
g_string_append_c (s, '-'); g_string_append_c (s, '-');
} }
} }
if (mod & KEY_M_SHIFT)
if ((mod & KEY_M_SHIFT) != 0)
{ {
if (lookup_keycode (KEY_M_ALT, &idx)) if (lookup_keycode (KEY_M_ALT, &idx))
{ {
@ -1647,7 +1638,7 @@ define_sequence (int code, const char *seq, int action)
for (base = keys; (base != NULL) && (*seq != '\0');) for (base = keys; (base != NULL) && (*seq != '\0');)
if (*seq == base->ch) if (*seq == base->ch)
{ {
if (base->child == 0) if (base->child == NULL)
{ {
if (*(seq + 1) != '\0') if (*(seq + 1) != '\0')
base->child = create_sequence (seq + 1, code, action); base->child = create_sequence (seq + 1, code, action);
@ -1665,7 +1656,7 @@ define_sequence (int code, const char *seq, int action)
} }
else else
{ {
if (base->next) if (base->next != NULL)
base = base->next; base = base->next;
else else
{ {
@ -1782,7 +1773,7 @@ get_key_code (int no_delay)
} }
nodelay_try_again: nodelay_try_again:
if (no_delay) if (no_delay != 0)
tty_nodelay (TRUE); tty_nodelay (TRUE);
c = tty_lowlevel_getch (); c = tty_lowlevel_getch ();
@ -1790,7 +1781,8 @@ get_key_code (int no_delay)
if (c == KEY_RESIZE) if (c == KEY_RESIZE)
goto nodelay_try_again; goto nodelay_try_again;
#endif #endif
if (no_delay)
if (no_delay != 0)
{ {
tty_nodelay (FALSE); tty_nodelay (FALSE);
if (c == -1) if (c == -1)
@ -1801,6 +1793,7 @@ get_key_code (int no_delay)
if (esctime.tv_sec == -1) if (esctime.tv_sec == -1)
return -1; return -1;
GET_TIME (current); GET_TIME (current);
time_out.tv_sec = old_esc_mode_timeout / 1000000 + esctime.tv_sec; time_out.tv_sec = old_esc_mode_timeout / 1000000 + esctime.tv_sec;
time_out.tv_usec = old_esc_mode_timeout % 1000000 + esctime.tv_usec; time_out.tv_usec = old_esc_mode_timeout % 1000000 + esctime.tv_usec;
@ -1809,14 +1802,14 @@ get_key_code (int no_delay)
time_out.tv_usec -= 1000000; time_out.tv_usec -= 1000000;
time_out.tv_sec++; time_out.tv_sec++;
} }
if (current.tv_sec < time_out.tv_sec) if (current.tv_sec < time_out.tv_sec ||
return -1; (current.tv_sec == time_out.tv_sec && current.tv_usec < time_out.tv_usec))
if (current.tv_sec == time_out.tv_sec && current.tv_usec < time_out.tv_usec)
return -1; return -1;
this = NULL; this = NULL;
pending_keys = seq_append = NULL; pending_keys = seq_append = NULL;
return ESC_CHAR; return ESC_CHAR;
} }
return -1; return -1;
} }
} }
@ -1835,12 +1828,12 @@ get_key_code (int no_delay)
} }
/* Search the key on the root */ /* Search the key on the root */
if (!no_delay || this == NULL) if (no_delay == 0 || this == NULL)
{ {
this = keys; this = keys;
parent = NULL; parent = NULL;
if ((c > 127 && c < 256) && use_8th_bit_as_meta) if (c > 127 && c < 256 && use_8th_bit_as_meta)
{ {
c &= 0x7f; c &= 0x7f;
@ -1864,21 +1857,24 @@ get_key_code (int no_delay)
this = NULL; this = NULL;
return correct_key_code (code); return correct_key_code (code);
} }
/* No match yet, but it may be a prefix for a valid seq */ /* No match yet, but it may be a prefix for a valid seq */
if (!push_char (c)) if (!push_char (c))
{ {
pending_keys = seq_buffer; pending_keys = seq_buffer;
goto pend_send; goto pend_send;
} }
parent = this; parent = this;
this = this->child; this = this->child;
if (parent->action == MCKEY_ESCAPE && old_esc_mode) if (parent->action == MCKEY_ESCAPE && old_esc_mode)
{ {
if (no_delay) if (no_delay != 0)
{ {
GET_TIME (esctime); GET_TIME (esctime);
goto nodelay_try_again; goto nodelay_try_again;
} }
esctime.tv_sec = -1; esctime.tv_sec = -1;
c = getch_with_timeout (old_esc_mode_timeout); c = getch_with_timeout (old_esc_mode_timeout);
if (c == -1) if (c == -1)
@ -1889,7 +1885,8 @@ get_key_code (int no_delay)
} }
continue; continue;
} }
if (no_delay)
if (no_delay != 0)
goto nodelay_try_again; goto nodelay_try_again;
c = tty_lowlevel_getch (); c = tty_lowlevel_getch ();
continue; continue;
@ -1922,7 +1919,6 @@ get_key_code (int no_delay)
push_char (c); push_char (c);
pending_keys = seq_buffer; pending_keys = seq_buffer;
goto pend_send; goto pend_send;
} /* while (this != NULL) */ } /* while (this != NULL) */
this = NULL; this = NULL;
@ -2063,6 +2059,7 @@ tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block)
if (FD_ISSET (input_fd, &select_set)) if (FD_ISSET (input_fd, &select_set))
break; break;
#ifdef HAVE_LIBGPM #ifdef HAVE_LIBGPM
if (mouse_enabled && use_mouse_p == MOUSE_GPM) if (mouse_enabled && use_mouse_p == MOUSE_GPM)
{ {
@ -2079,7 +2076,7 @@ tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block)
*event = ev; *event = ev;
return EV_MOUSE; return EV_MOUSE;
} }
else if (status <= 0) /* connection closed; -1 == error */ if (status <= 0) /* connection closed; -1 == error */
{ {
if (mouse_fd >= 0 && FD_ISSET (mouse_fd, &select_set)) if (mouse_fd >= 0 && FD_ISSET (mouse_fd, &select_set))
FD_CLR (mouse_fd, &select_set); FD_CLR (mouse_fd, &select_set);
@ -2154,7 +2151,8 @@ tty_getch (void)
int key; int key;
ev.x = -1; ev.x = -1;
while ((key = tty_get_event (&ev, FALSE, TRUE)) == EV_NONE); while ((key = tty_get_event (&ev, FALSE, TRUE)) == EV_NONE)
;
return key; return key;
} }
@ -2178,6 +2176,7 @@ learn_key (void)
while (c == -1) while (c == -1)
c = tty_lowlevel_getch (); /* Sanity check, should be unnecessary */ c = tty_lowlevel_getch (); /* Sanity check, should be unnecessary */
learn_store_key (buffer, &p, c); learn_store_key (buffer, &p, c);
GET_TIME (endtime); GET_TIME (endtime);
endtime.tv_usec += LEARN_TIMEOUT; endtime.tv_usec += LEARN_TIMEOUT;
if (endtime.tv_usec > 1000000) if (endtime.tv_usec > 1000000)
@ -2185,6 +2184,7 @@ learn_key (void)
endtime.tv_usec -= 1000000; endtime.tv_usec -= 1000000;
endtime.tv_sec++; endtime.tv_sec++;
} }
tty_nodelay (TRUE); tty_nodelay (TRUE);
while (TRUE) while (TRUE)
{ {