/****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* Terminal setup routines common to termcap and terminfo:
*
* use_env(bool)
+ * use_tioctl(bool)
* setupterm(char *, int, int *)
*/
#include <curses.priv.h>
#include <tic.h> /* for MAX_NAME_SIZE */
-#if SVR4_TERMIO && !defined(_POSIX_SOURCE)
-#define _POSIX_SOURCE
-#endif
-
#if HAVE_LOCALE_H
#include <locale.h>
#endif
-MODULE_ID("$Id: lib_setup.c,v 1.127 2010/01/23 17:57:43 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.160 2014/04/26 18:47:20 juergen Exp $")
/****************************************************************************
*
{
T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
#if NCURSES_SP_FUNCS
+ START_TRACE();
if (IsPreScreen(SP_PARM)) {
SP_PARM->_use_env = f;
}
returnVoid;
}
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
+{
+ T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
+#if NCURSES_SP_FUNCS
+ START_TRACE();
+ if (IsPreScreen(SP_PARM)) {
+ SP_PARM->_use_tioctl = f;
+ }
+#else
+ _nc_prescreen.use_tioctl = f;
+#endif
+ returnVoid;
+}
+
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(void)
use_env(bool f)
{
T((T_CALLED("use_env(%d)"), (int) f));
+ START_TRACE();
_nc_prescreen.use_env = f;
returnVoid;
}
+
+NCURSES_EXPORT(void)
+use_tioctl(bool f)
+{
+ T((T_CALLED("use_tioctl(%d)"), (int) f));
+ START_TRACE();
+ _nc_prescreen.use_tioctl = f;
+ returnVoid;
+}
#endif
NCURSES_EXPORT(void)
TCB = (TERMINAL_CONTROL_BLOCK *) termp;
my_tabsize = TCB->info.tabsize;
- TCB->drv->size(TCB, linep, colp);
+ TCB->drv->td_size(TCB, linep, colp);
#if USE_REENTRANT
if (sp != 0) {
/* figure out the size of the screen */
T(("screen size: terminfo lines = %d columns = %d", lines, columns));
- if (!_nc_prescreen.use_env) {
- *linep = (int) lines;
- *colp = (int) columns;
- } else { /* usually want to query LINES and COLUMNS from environment */
- int value;
-
- *linep = *colp = 0;
+ *linep = (int) lines;
+ *colp = (int) columns;
- /* first, look for environment variables */
- if ((value = _nc_getenv_num("LINES")) > 0) {
- *linep = value;
- }
- if ((value = _nc_getenv_num("COLUMNS")) > 0) {
- *colp = value;
- }
- T(("screen size: environment LINES = %d COLUMNS = %d", *linep, *colp));
+ if (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) {
+ int value;
#ifdef __EMX__
- if (*linep <= 0 || *colp <= 0) {
+ {
int screendata[2];
_scrsize(screendata);
*colp = screendata[0];
- *linep = screendata[1];
+ *linep = ((sp != 0 && sp->_filtered)
+ ? 1
+ : screendata[1]);
T(("EMX screen size: environment LINES = %d COLUMNS = %d",
*linep, *colp));
}
#endif
#if HAVE_SIZECHANGE
- /* if that didn't work, maybe we can try asking the OS */
- if (*linep <= 0 || *colp <= 0) {
- if (isatty(cur_term->Filedes)) {
- STRUCT_WINSIZE size;
-
- errno = 0;
- do {
- if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) < 0
- && errno != EINTR)
- goto failure;
- } while
- (errno == EINTR);
+ /* try asking the OS */
+ if (NC_ISATTY(cur_term->Filedes)) {
+ STRUCT_WINSIZE size;
+
+ errno = 0;
+ do {
+ if (ioctl(cur_term->Filedes, IOCTL_WINSIZE, &size) >= 0) {
+ *linep = ((sp != 0 && sp->_filtered)
+ ? 1
+ : WINSIZE_ROWS(size));
+ *colp = WINSIZE_COLS(size);
+ T(("SYS screen size: environment LINES = %d COLUMNS = %d",
+ *linep, *colp));
+ break;
+ }
+ } while
+ (errno == EINTR);
+ }
+#endif /* HAVE_SIZECHANGE */
+ if (_nc_prescreen.use_env) {
+ if (_nc_prescreen.use_tioctl) {
/*
- * Solaris lets users override either dimension with an
- * environment variable.
+ * If environment variables are used, update them.
*/
- if (*linep <= 0)
- *linep = (sp != 0 && sp->_filtered) ? 1 : WINSIZE_ROWS(size);
- if (*colp <= 0)
- *colp = WINSIZE_COLS(size);
+ if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
+ _nc_setenv_num("LINES", *linep);
+ }
+ if (_nc_getenv_num("COLUMNS") > 0) {
+ _nc_setenv_num("COLUMNS", *colp);
+ }
+ }
+
+ /*
+ * Finally, look for environment variables.
+ *
+ * Solaris lets users override either dimension with an environment
+ * variable.
+ */
+ if ((value = _nc_getenv_num("LINES")) > 0) {
+ *linep = value;
+ T(("screen size: environment LINES = %d", *linep));
+ }
+ if ((value = _nc_getenv_num("COLUMNS")) > 0) {
+ *colp = value;
+ T(("screen size: environment COLUMNS = %d", *colp));
}
- /* FALLTHRU */
- failure:;
}
-#endif /* HAVE_SIZECHANGE */
/* if we can't get dynamic info about the size, use static */
if (*linep <= 0) {
assert(sp != 0);
- CallDriver_2(sp, getsize, &old_lines, &old_cols);
+ CallDriver_2(sp, td_getsize, &old_lines, &old_cols);
#else
TERMINAL *termp = cur_term;
* We're doing it this way because those functions belong to the upper
* ncurses library, while this resides in the lower terminfo library.
*/
- if (sp != 0
- && sp->_resize != 0) {
- if ((new_lines != old_lines) || (new_cols != old_cols))
+ if (sp != 0 && sp->_resize != 0) {
+ if ((new_lines != old_lines) || (new_cols != old_cols)) {
sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+ } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
+ sp->_ungetch(SP_PARM, KEY_RESIZE); /* so application can know this */
+ }
sp->_sig_winch = FALSE;
}
}
*
****************************************************************************/
-#define ret_error(code, fmt, arg) if (errret) {\
- *errret = code;\
- returnCode(ERR);\
- } else {\
- fprintf(stderr, fmt, arg);\
- exit(EXIT_FAILURE);\
- }
-
-#define ret_error0(code, msg) if (errret) {\
- *errret = code;\
- returnCode(ERR);\
- } else {\
- fprintf(stderr, msg);\
- exit(EXIT_FAILURE);\
- }
-
-#ifndef USE_TERM_DRIVER
-#if USE_DATABASE || USE_TERMCAP
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
/*
* Return 1 if entry found, 0 if not found, -1 if database not accessible,
* just like tgetent().
*/
-static int
-grab_entry(const char *const tn, TERMTYPE *const tp)
+int
+_nc_setup_tinfo(const char *const tn, TERMTYPE *const tp)
{
char filename[PATH_MAX];
int status = _nc_read_entry(tn, filename, tp);
return (status);
}
#endif
-#endif /* !USE_TERM_DRIVER */
/*
** Take the real command character out of the CC environment variable
** and substitute it in for the prototype given in 'command_character'.
*/
void
-_nc_tinfo_cmdch(TERMINAL * termp, char proto)
+_nc_tinfo_cmdch(TERMINAL * termp, int proto)
{
unsigned i;
char CC;
if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
CC = *tmp;
for_each_string(i, &(termp->type)) {
- for (tmp = termp->type.Strings[i]; *tmp; tmp++) {
- if (*tmp == proto)
+ for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) {
+ if (UChar(*tmp) == proto)
*tmp = CC;
}
}
_nc_unicode_locale(void)
{
int result = 0;
-#if HAVE_LANGINFO_CODESET
+#if defined(__MINGW32__) && USE_WIDEC_SUPPORT
+ result = 1;
+#elif HAVE_LANGINFO_CODESET
char *env = nl_langinfo(CODESET);
result = !strcmp(env, "UTF-8");
T(("_nc_unicode_locale(%s) ->%d", env, result));
NCURSES_EXPORT(int)
_nc_locale_breaks_acs(TERMINAL * termp)
{
+ const char *env_name = "NCURSES_NO_UTF8_ACS";
char *env;
+ int value;
+ int result = 0;
- if ((env = getenv("NCURSES_NO_UTF8_ACS")) != 0) {
- return atoi(env);
+ if (getenv(env_name) != 0) {
+ result = _nc_getenv_num(env_name);
+ } else if ((value = tigetnum("U8")) >= 0) {
+ result = value; /* use extension feature */
} else if ((env = getenv("TERM")) != 0) {
- if (strstr(env, "linux"))
- return 1; /* always broken */
- if (strstr(env, "screen") != 0
- && ((env = getenv("TERMCAP")) != 0
- && strstr(env, "screen") != 0)
- && strstr(env, "hhII00") != 0) {
+ if (strstr(env, "linux")) {
+ result = 1; /* always broken */
+ } else if (strstr(env, "screen") != 0
+ && ((env = getenv("TERMCAP")) != 0
+ && strstr(env, "screen") != 0)
+ && strstr(env, "hhII00") != 0) {
if (CONTROL_N(enter_alt_charset_mode) ||
CONTROL_O(enter_alt_charset_mode) ||
CONTROL_N(set_attributes) ||
- CONTROL_O(set_attributes))
- return 1;
+ CONTROL_O(set_attributes)) {
+ result = 1;
+ }
}
}
- return 0;
+ return result;
}
NCURSES_EXPORT(int)
NCURSES_CONST char *tname,
int Filedes,
int *errret,
- bool reuse)
+ int reuse)
{
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = 0;
#ifdef USE_TERM_DRIVER
T((T_CALLED("_nc_setupterm_ex(%p,%s,%d,%p)"),
- tp, _nc_visbuf(tname), Filedes, errret));
+ (void *) tp, _nc_visbuf(tname), Filedes, (void *) errret));
if (tp == 0) {
ret_error0(TGETENT_ERR,
if (tname == 0) {
tname = getenv("TERM");
if (tname == 0 || *tname == '\0') {
+#ifdef USE_TERM_DRIVER
+ tname = "unknown";
+#else
ret_error0(TGETENT_ERR, "TERM environment variable not set.\n");
+#endif
}
}
* Allow output redirection. This is what SVr3 does. If stdout is
* directed to a file, screen updates go to standard error.
*/
- if (Filedes == STDOUT_FILENO && !isatty(Filedes))
+ if (Filedes == STDOUT_FILENO && !NC_ISATTY(Filedes))
Filedes = STDERR_FILENO;
/*
&& _nc_name_match(termp->type.term_names, tname, "|")) {
T(("reusing existing terminal information and mode-settings"));
code = OK;
+#ifdef USE_TERM_DRIVER
+ TCB = (TERMINAL_CONTROL_BLOCK *) termp;
+#endif
} else {
#ifdef USE_TERM_DRIVER
- termp = (TERMINAL *) typeCalloc(TERMINAL_CONTROL_BLOCK, 1);
+ TERMINAL_CONTROL_BLOCK *my_tcb;
+ my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1);
+ termp = &(my_tcb->term);
#else
termp = typeCalloc(TERMINAL, 1);
#endif
"Not enough memory to create terminal structure.\n");
}
#ifdef USE_TERM_DRIVER
+ INIT_TERM_DRIVER();
TCB = (TERMINAL_CONTROL_BLOCK *) termp;
code = _nc_globals.term_driver(TCB, tname, errret);
if (code == OK) {
- termp->Filedes = Filedes;
+ termp->Filedes = (short) Filedes;
termp->_termname = strdup(tname);
} else {
ret_error0(TGETENT_ERR,
"Could not find any driver to handle this terminal.\n");
}
#else
-#if USE_DATABASE || USE_TERMCAP
- status = grab_entry(tname, &termp->type);
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
+ status = _nc_setup_tinfo(tname, &termp->type);
#else
status = TGETENT_NO;
#endif
const TERMTYPE *fallback = _nc_fallback(tname);
if (fallback) {
- termp->type = *fallback;
+ _nc_copy_termtype(&(termp->type), fallback);
status = TGETENT_YES;
}
}
if (status == TGETENT_ERR) {
ret_error0(status, "terminals database is inaccessible\n");
} else if (status == TGETENT_NO) {
- ret_error(status, "'%s': unknown terminal type.\n", tname);
+ ret_error1(status, "unknown terminal type.\n", tname);
}
}
#if !USE_REENTRANT
- strncpy(ttytype, termp->type.term_names, NAMESIZE - 1);
+ strncpy(ttytype, termp->type.term_names, (size_t) (NAMESIZE - 1));
ttytype[NAMESIZE - 1] = '\0';
#endif
- termp->Filedes = Filedes;
+ termp->Filedes = (short) Filedes;
termp->_termname = strdup(tname);
set_curterm(termp);
if (command_character)
- _nc_tinfo_cmdch(termp, *command_character);
+ _nc_tinfo_cmdch(termp, UChar(*command_character));
/*
* If an application calls setupterm() rather than initscr() or
* _nc_setupscreen(). Do it now anyway, so we can initialize the
* baudrate.
*/
- if (isatty(Filedes)) {
+ if (NC_ISATTY(Filedes)) {
def_prog_mode();
baudrate();
}
#ifdef USE_TERM_DRIVER
*tp = termp;
NCURSES_SP_NAME(set_curterm) (sp, termp);
- TCB->drv->init(TCB);
+ TCB->drv->td_init(TCB);
#else
sp = SP;
#endif
#ifndef USE_TERM_DRIVER
if (generic_type) {
- ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname);
- }
- if (hard_copy) {
- ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname);
+ /*
+ * BSD 4.3's termcap contains mis-typed "gn" for wy99. Do a sanity
+ * check before giving up.
+ */
+ if ((VALID_STRING(cursor_address)
+ || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
+ && VALID_STRING(clear_screen)) {
+ ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
+ } else {
+ del_curterm(termp);
+ ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+ }
+ } else if (hard_copy) {
+ ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
}
#endif
returnCode(code);
_nc_setupterm(NCURSES_CONST char *tname,
int Filedes,
int *errret,
- bool reuse)
+ int reuse)
{
int res;
- TERMINAL *termp;
+ TERMINAL *termp = 0;
res = TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse);
if (ERR != res)
NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp);
projects / ncurses.git / blobdiff