X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=3e82a389eee001074e4398ebb2a78a77607cbe24;hp=de4cb459728ab908f9393cdf6125b9dc30c94a1e;hb=4e793faf6575b2297482f77b2bc3d18105c0fc76;hpb=03f728e5bb3630a54fffc4a2ff2f8dbfcce9088e

diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c
index de4cb459..3e82a389 100644
--- a/ncurses/tinfo/lib_setup.c
+++ b/ncurses/tinfo/lib_setup.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2013 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            *
@@ -37,6 +37,7 @@
  * Terminal setup routines common to termcap and terminfo:
  *
  *		use_env(bool)
+ *		use_tioctl(bool)
  *		setupterm(char *, int, int *)
  */
 
@@ -47,7 +48,7 @@
 #include <locale.h>
 #endif
 
-MODULE_ID("$Id: lib_setup.c,v 1.142 2011/10/22 16:13:06 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.156 2013/05/25 20:20:08 tom Exp $")
 
 /****************************************************************************
  *
@@ -231,6 +232,21 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool 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)
@@ -240,6 +256,15 @@ use_env(bool f)
     _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)
@@ -279,7 +304,7 @@ _nc_get_screensize(SCREEN *sp,
     *linep = (int) lines;
     *colp = (int) columns;
 
-    if (_nc_prescreen.use_env) {
+    if (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) {
 	int value;
 
 #ifdef __EMX__
@@ -287,7 +312,9 @@ _nc_get_screensize(SCREEN *sp,
 	    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));
 	}
@@ -313,19 +340,33 @@ _nc_get_screensize(SCREEN *sp,
 	}
 #endif /* HAVE_SIZECHANGE */
 
-	/*
-	 * 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));
+	if (_nc_prescreen.use_env) {
+	    if (_nc_prescreen.use_tioctl) {
+		/*
+		 * If environment variables are used, update them.
+		 */
+		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));
+	    }
 	}
 
 	/* if we can't get dynamic info about the size, use static */
@@ -397,10 +438,12 @@ _nc_update_screensize(SCREEN *sp)
      * 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;
     }
 }
@@ -412,7 +455,7 @@ _nc_update_screensize(SCREEN *sp)
  *
  ****************************************************************************/
 
-#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().
@@ -502,7 +545,9 @@ NCURSES_EXPORT(int)
 _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));
@@ -590,7 +635,11 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
     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
 	}
     }
 
@@ -633,6 +682,9 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	&& _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);
@@ -655,7 +707,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 		       "Could not find any driver to handle this terminal.\n");
 	}
 #else
-#if USE_DATABASE || USE_TERMCAP
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
 	status = _nc_setup_tinfo(tname, &termp->type);
 #else
 	status = TGETENT_NO;
@@ -666,7 +718,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	    const TERMTYPE *fallback = _nc_fallback(tname);
 
 	    if (fallback) {
-		termp->type = *fallback;
+		_nc_copy_termtype(&(termp->type), fallback);
 		status = TGETENT_YES;
 	    }
 	}
@@ -731,11 +783,14 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	if ((VALID_STRING(cursor_address)
 	     || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
 	    && VALID_STRING(clear_screen)) {
+	    free(termp);
 	    ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
 	} else {
+	    free(termp);
 	    ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
 	}
     } else if (hard_copy) {
+	free(termp);
 	ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
     }
 #endif
@@ -792,7 +847,7 @@ _nc_setupterm(NCURSES_CONST char *tname,
 	      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);