adding resize patch for bz139938
This commit is contained in:
Neil Horman
parent
79b1fc9930
commit
067719aa63
112
cscope-15.5-resize.patch
Normal file
112
cscope-15.5-resize.patch
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@ -0,0 +1,112 @@
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--- cscope-15.5/src/input.c.orig 2001-07-18 09:49:01.000000000 -0400
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+++ cscope-15.5/src/input.c 2004-11-22 14:43:09.000000000 -0500
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@@ -43,6 +43,7 @@
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#endif
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#include <setjmp.h> /* jmp_buf */
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#include <stdlib.h>
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+#include <errno.h>
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#if HAVE_SYS_TERMIOS_H
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#include <sys/termios.h>
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#endif
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@@ -91,8 +92,15 @@
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c = prevchar;
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prevchar = 0;
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}
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- else
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- c = getch(); /* get a character from the terminal */
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+ else {
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+ c = -1;
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+ while (c == -1) {
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+ /* get a character from the terminal */
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+ c = getch();
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+ if((c == -1) && (errno != EINTR))
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+ break;
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+ }
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+ }
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}
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else { /* longjmp to here from signal handler */
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c = KEY_BREAK;
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--- cscope-15.5/src/display.c.orig 2004-11-22 14:42:32.000000000 -0500
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+++ cscope-15.5/src/display.c 2004-11-22 14:43:05.000000000 -0500
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@@ -129,6 +129,15 @@
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if (mouse == NO && mdisprefs > strlen(dispchars))
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mdisprefs = strlen(dispchars);
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+ /*
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+ *this function can be called from a signal handler
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+ *as well as the main routine, meaning we might need
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+ *to free memory that we alloc later in here to avoid
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+ *a leak
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+ */
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+ if(displine)
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+ free(displine);
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+
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/* allocate the displayed line array */
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displine = mymalloc(mdisprefs * sizeof(int));
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}
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--- cscope-15.5/src/main.c.orig 2003-08-14 10:36:18.000000000 -0400
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+++ cscope-15.5/src/main.c 2004-11-22 14:45:21.000000000 -0500
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@@ -50,6 +50,7 @@
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#endif
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#include <sys/types.h> /* needed by stat.h */
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#include <sys/stat.h> /* stat */
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+#include <signal.h>
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/* defaults for unset environment variables */
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#define EDITOR "vi"
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@@ -120,6 +121,34 @@
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void fixkeypad();
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#endif
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+/*
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+ *this handler gets called every time the terminal size changes
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+ *basically all it does is tear down ncurses, and re-initalizes
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+ *it, allowing it to repaint the screen at the new dimensions
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+ *There may well be a more elegant way to do this, but this is
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+ *pretty straightforward, and isn't very intrusive.
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+ */
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+void sigwinch_handler(int sig, siginfo_t *info, void *unused)
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+{
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+ exitcurses();
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+ initscr();
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+ entercurses();
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+#if TERMINFO
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+ (void) keypad(stdscr, TRUE); /* enable the keypad */
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+#ifdef HAVE_FIXKEYPAD
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+ fixkeypad(); /* fix for getch() intermittently returning garbage */
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+#endif
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+#endif
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+#if UNIXPC
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+ standend(); /* turn off reverse video */
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+#endif
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+ postmsg("");
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+ dispinit(); /* initialize display parameters */
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+ setfield(); /* set the initial cursor position */
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+ postmsg(""); /* clear any build progress message */
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+ display(); /* display the version number and input fields */
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+}
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+
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int
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main(int argc, char **argv)
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{
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@@ -131,12 +160,20 @@
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int c, i;
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pid_t pid;
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struct stat stat_buf;
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+ struct sigaction winch_action;
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yyin = stdin;
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yyout = stdout;
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/* save the command name for messages */
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argv0 = argv[0];
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+ winch_action.sa_sigaction = sigwinch_handler;
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+ sigemptyset(&winch_action.sa_mask);
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+ winch_action.sa_flags = SA_SIGINFO;
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+ winch_action.sa_restorer = NULL;
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+
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+ sigaction(SIGWINCH,&winch_action,NULL);
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+
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/* set the options */
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while (--argc > 0 && (*++argv)[0] == '-') {
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/* HBB 20030814: add GNU-style --help and --version
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@ -1,7 +1,7 @@
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Summary: C source code tree search and browse tool
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Name: cscope
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Version: 15.5
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Release: 4
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Release: 4
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Source0: http://unc.dl.sourceforge.net/sourceforge/cscope/cscope-15.5.tar.gz
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URL: http://cscope.sourceforge.net
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License: BSD
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@ -18,6 +18,7 @@ Patch1:cscope-15.5-findassign.patch
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Patch2:cscope-15.5-ocs-dash_s_fix.patch
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Patch3:cscope-15.5-xcscope-man.patch
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Patch4:cscope-15.5-inverted.patch
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Patch5:cscope-15.5-resize.patch
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%description
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cscope is a mature, ncurses based, C source code tree browsing tool. It
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@ -33,6 +34,7 @@ matches for use in file editing.
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%patch2 -p1
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%patch3 -p1
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%patch4 -p1
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%patch5 -p1
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%build
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%configure
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@ -81,8 +83,9 @@ rm -f %{xemacs_lisp_path}/xcscope.el
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rm -f %{emacs_lisp_path}/xcscope.el
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%changelog
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* Mon Nov 15 2004 Frank Ch. Eigler <fche@redhat.com>
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- dummy version bump after RHEL3 fork
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* Mon Nov 22 2004 Neil Horman <nhorman@redhat.com>
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- added cscope-1.5.-resize patch to allow terminal
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resizing while cscope is running
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* Tue Oct 5 2004 Neil Horman <nhorman@redhat.com>
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- modified cscope-15.5.-inverted patch to be upstream
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