adding resize patch for bz139938

cscope-15.5-resize.patch

@@ -0,0 +1,112 @@
+--- cscope-15.5/src/input.c.orig	2001-07-18 09:49:01.000000000 -0400
++++ cscope-15.5/src/input.c	2004-11-22 14:43:09.000000000 -0500
+@@ -43,6 +43,7 @@
+ #endif
+ #include <setjmp.h>	/* jmp_buf */
+ #include <stdlib.h>
++#include <errno.h>
+ #if HAVE_SYS_TERMIOS_H
+ #include <sys/termios.h>
+ #endif
+@@ -91,8 +92,15 @@
+ 			c = prevchar;
+ 			prevchar = 0;
+ 		}
+-		else
+-			c = getch();	/* get a character from the terminal */
++		else {
++			c = -1;
++			while (c == -1) {
++				/* get a character from the terminal */
++				c = getch();
++				if((c == -1) && (errno != EINTR))
++					break;
++			}
++		}
+ 	}
+ 	else {	/* longjmp to here from signal handler */
+ 		c = KEY_BREAK;
+--- cscope-15.5/src/display.c.orig	2004-11-22 14:42:32.000000000 -0500
++++ cscope-15.5/src/display.c	2004-11-22 14:43:05.000000000 -0500
+@@ -129,6 +129,15 @@
+ 	if (mouse == NO && mdisprefs > strlen(dispchars))
+ 		mdisprefs = strlen(dispchars);
+ 
++	/*
++	 *this function can be called from a signal handler 
++	 *as well as the main routine, meaning we might need
++	 *to free memory that we alloc later in here to avoid 
++	 *a leak
++	 */
++	if(displine)
++		free(displine);
++
+ 	/* allocate the displayed line array */
+ 	displine = mymalloc(mdisprefs * sizeof(int));
+ }
+--- cscope-15.5/src/main.c.orig	2003-08-14 10:36:18.000000000 -0400
++++ cscope-15.5/src/main.c	2004-11-22 14:45:21.000000000 -0500
+@@ -50,6 +50,7 @@
+ #endif
+ #include <sys/types.h>	/* needed by stat.h */
+ #include <sys/stat.h>	/* stat */
++#include <signal.h>
+ 
+ /* defaults for unset environment variables */
+ #define	EDITOR	"vi"
+@@ -120,6 +121,34 @@
+ void	fixkeypad();
+ #endif
+ 
++/*
++ *this handler gets called every time the terminal size changes
++ *basically all it does is tear down ncurses, and re-initalizes 
++ *it, allowing it to repaint the screen at the new dimensions
++ *There may well be a more elegant way to do this, but this is
++ *pretty straightforward, and isn't very intrusive.
++ */
++void sigwinch_handler(int sig, siginfo_t *info, void *unused)
++{
++	exitcurses();
++	initscr();
++	entercurses();
++#if TERMINFO
++	(void) keypad(stdscr, TRUE);	/* enable the keypad */
++#ifdef HAVE_FIXKEYPAD
++	fixkeypad();	/* fix for getch() intermittently returning garbage */
++#endif
++#endif
++#if UNIXPC
++	standend();	/* turn off reverse video */
++#endif
++	postmsg("");
++	dispinit();	/* initialize display parameters */
++	setfield();	/* set the initial cursor position */
++	postmsg("");	/* clear any build progress message */
++	display();	/* display the version number and input fields */
++}
++
+ int
+ main(int argc, char **argv)
+ {
+@@ -131,12 +160,20 @@
+ 	int	c, i;
+ 	pid_t	pid;
+ 	struct stat	stat_buf;
++	struct sigaction winch_action;
+ 	
+ 	yyin = stdin;
+ 	yyout = stdout;
+ 	/* save the command name for messages */
+ 	argv0 = argv[0];
+ 	
++	winch_action.sa_sigaction = sigwinch_handler;
++	sigemptyset(&winch_action.sa_mask);
++	winch_action.sa_flags = SA_SIGINFO;
++	winch_action.sa_restorer = NULL;
++
++	sigaction(SIGWINCH,&winch_action,NULL);	
++
+ 	/* set the options */
+ 	while (--argc > 0 && (*++argv)[0] == '-') {
+ 		/* HBB 20030814: add GNU-style --help and --version

cscope.spec

@@ -18,6 +18,7 @@ Patch1:cscope-15.5-findassign.patch
 Patch2:cscope-15.5-ocs-dash_s_fix.patch
 Patch3:cscope-15.5-xcscope-man.patch
 Patch4:cscope-15.5-inverted.patch
+Patch5:cscope-15.5-resize.patch
 
 %description
 cscope is a mature, ncurses based, C source code tree browsing tool.  It 
@@ -33,6 +34,7 @@ matches for use in file editing.
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%patch5 -p1
 
 %build
 %configure
@@ -81,8 +83,9 @@ rm -f %{xemacs_lisp_path}/xcscope.el
 rm -f %{emacs_lisp_path}/xcscope.el
 
 %changelog
-* Mon Nov 15 2004 Frank Ch. Eigler <fche@redhat.com>
-- dummy version bump after RHEL3 fork
+* Mon Nov 22 2004 Neil Horman <nhorman@redhat.com>
+- added cscope-1.5.-resize patch to allow terminal
+  resizing while cscope is running
 
 * Tue Oct 5  2004 Neil Horman <nhorman@redhat.com>
 - modified cscope-15.5.-inverted patch to be upstream