X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Fresizeterm.c;h=03d52a448b0937fb7ab4900f8134400e995115f7;hp=3db35fadb1777cc0b76f9c524e5bd38ac71d1156;hb=cdbe3d3df7ca08989c4aaead5164309466e519eb;hpb=3a0d9d27e0cf115ff9dcc6163c251bccaa62bd7d;ds=inline

diff --git a/ncurses/base/resizeterm.c b/ncurses/base/resizeterm.c
index 3db35fad..03d52a44 100644
--- a/ncurses/base/resizeterm.c
+++ b/ncurses/base/resizeterm.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2011 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            *
@@ -45,7 +45,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: resizeterm.c,v 1.42 2009/10/24 20:38:43 tom Exp $")
+MODULE_ID("$Id: resizeterm.c,v 1.45 2012/07/07 17:07:23 tom Exp $")
 
 /*
  * If we're trying to be reentrant, do not want any local statics.
@@ -365,58 +365,71 @@ NCURSES_SP_NAME(resize_term) (NCURSES_SP_DCLx int ToLines, int ToCols)
 	}
 #endif
 	if (ToLines > screen_lines(SP_PARM)) {
-	    increase_size(NCURSES_SP_ARGx
-			  myLines = ToLines, myCols, was_stolen EXTRA_ARGS);
+	    result = increase_size(NCURSES_SP_ARGx
+				   myLines = ToLines,
+				   myCols,
+				   was_stolen EXTRA_ARGS);
 	    CurLines = myLines;
 	    CurCols = myCols;
 	}
 
-	if (ToCols > screen_columns(SP_PARM)) {
-	    increase_size(NCURSES_SP_ARGx
-			  myLines, myCols = ToCols, was_stolen EXTRA_ARGS);
+	if ((result == OK)
+	    && (ToCols > screen_columns(SP_PARM))) {
+	    result = increase_size(NCURSES_SP_ARGx
+				   myLines,
+				   myCols = ToCols,
+				   was_stolen EXTRA_ARGS);
 	    CurLines = myLines;
 	    CurCols = myCols;
 	}
 
-	if (ToLines < myLines ||
-	    ToCols < myCols) {
-	    decrease_size(NCURSES_SP_ARGx ToLines, ToCols, was_stolen EXTRA_ARGS);
+	if ((result == OK)
+	    && (ToLines < myLines ||
+		ToCols < myCols)) {
+	    result = decrease_size(NCURSES_SP_ARGx
+				   ToLines,
+				   ToCols,
+				   was_stolen EXTRA_ARGS);
 	}
 
-	screen_lines(SP_PARM) = (NCURSES_SIZE_T) ToLines;
-	screen_columns(SP_PARM) = (NCURSES_SIZE_T) ToCols;
+	if (result == OK) {
+	    screen_lines(SP_PARM) = (NCURSES_SIZE_T) ToLines;
+	    screen_columns(SP_PARM) = (NCURSES_SIZE_T) ToCols;
 
 #ifdef USE_TERM_DRIVER
-	CallDriver_2(SP_PARM, setsize, ToLines, ToCols);
+	    CallDriver_2(SP_PARM, setsize, ToLines, ToCols);
 #else
-	lines = (NCURSES_SIZE_T) ToLines;
-	columns = (NCURSES_SIZE_T) ToCols;
+	    lines = (NCURSES_SIZE_T) ToLines;
+	    columns = (NCURSES_SIZE_T) ToCols;
 #endif
 
-	SP_PARM->_lines_avail = (NCURSES_SIZE_T) (ToLines - was_stolen);
+	    SP_PARM->_lines_avail = (NCURSES_SIZE_T) (ToLines - was_stolen);
 
-	if (SP_PARM->oldhash) {
-	    FreeAndNull(SP_PARM->oldhash);
-	}
-	if (SP_PARM->newhash) {
-	    FreeAndNull(SP_PARM->newhash);
-	}
+	    if (SP_PARM->oldhash) {
+		FreeAndNull(SP_PARM->oldhash);
+	    }
+	    if (SP_PARM->newhash) {
+		FreeAndNull(SP_PARM->newhash);
+	    }
 #ifdef TRACE
-	if (USE_TRACEF(TRACE_UPDATE)) {
-	    SET_LINES(ToLines - was_stolen);
-	    SET_COLS(ToCols);
-	    show_window_sizes("after");
-	    _nc_unlock_global(tracef);
-	}
+	    if (USE_TRACEF(TRACE_UPDATE)) {
+		SET_LINES(ToLines - was_stolen);
+		SET_COLS(ToCols);
+		show_window_sizes("after");
+		_nc_unlock_global(tracef);
+	    }
 #endif
+	}
     }
 
-    /*
-     * Always update LINES, to allow for call from lib_doupdate.c which
-     * needs to have the count adjusted by the stolen (ripped off) lines.
-     */
-    SET_LINES(ToLines - was_stolen);
-    SET_COLS(ToCols);
+    if (result == OK) {
+	/*
+	 * Always update LINES, to allow for call from lib_doupdate.c which
+	 * needs to have the count adjusted by the stolen (ripped off) lines.
+	 */
+	SET_LINES(ToLines - was_stolen);
+	SET_COLS(ToCols);
+    }
 
     _nc_nonsp_unlock_global(curses);
 
@@ -451,7 +464,7 @@ NCURSES_SP_NAME(resizeterm) (NCURSES_SP_DCLx int ToLines, int ToCols)
     T((T_CALLED("resizeterm(%p, %d,%d) old(%d,%d)"),
        (void *) SP_PARM, ToLines, ToCols,
        (SP_PARM == 0) ? -1 : screen_lines(SP_PARM),
-       screen_columns(SP_PARM)));
+       (SP_PARM == 0) ? -1 : screen_columns(SP_PARM)));
 
     if (SP_PARM != 0) {
 	result = OK;
@@ -471,7 +484,6 @@ NCURSES_SP_NAME(resizeterm) (NCURSES_SP_DCLx int ToLines, int ToCols)
 	    result = NCURSES_SP_NAME(resize_term) (NCURSES_SP_ARGx ToLines, ToCols);
 
 #if USE_SIGWINCH
-	    safe_ungetch(SP_PARM, KEY_RESIZE);	/* so application can know this */
 	    clearok(CurScreen(SP_PARM), TRUE);	/* screen contents are unknown */
 
 	    /* ripped-off lines are a special case: if we did not lengthen
@@ -501,6 +513,9 @@ NCURSES_SP_NAME(resizeterm) (NCURSES_SP_DCLx int ToLines, int ToCols)
 	    }
 #endif
 	}
+#if USE_SIGWINCH
+	safe_ungetch(SP_PARM, KEY_RESIZE);	/* so application can know this */
+#endif
     }
 
     returnCode(result);