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* NXrender: fix another memleakUlrich Sibiller2019-06-221-1/+5
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* render: Propagate allocation failure from createSourcePicture()Ulrich Sibiller2019-06-221-0/+2
| | | | | | | | | | | | | | | | | commit 211d4c2d353b5e379716484055a3f58235ea65f4 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Wed Dec 14 15:55:22 2011 +0000 render: Propagate allocation failure from createSourcePicture() All the callers were already checking for failure, except that createSourcePicture() itself was failing to check whether it successfully allocated the Picture. [ajax: Rebase, fix line wrap of preceding line] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
* Keyboard.c: fix three memory leaksUlrich Sibiller2019-06-221-0/+4
| | | | | | | | | | | | | | | | | | | | | ==12976==ERROR: LeakSanitizer: detected memory leaks Direct leak of 6 byte(s) in 1 object(s) allocated from: #0 0x7f510b3ac810 in strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3a810) #1 0x559ca29c5035 in nxagentKeyboardProc /home/uli/work/nx/ArcticaProject/nx-libs/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c:866 #2 0x7a29bff07 (<unknown module>) Direct leak of 1 byte(s) in 1 object(s) allocated from: #0 0x7f510b3ac810 in strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3a810) #1 0x559ca29c509a in nxagentKeyboardProc /home/uli/work/nx/ArcticaProject/nx-libs/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c:870 #2 0x7a29bff07 (<unknown module>) Direct leak of 1 byte(s) in 1 object(s) allocated from: #0 0x7f510b3ac810 in strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3a810) #1 0x559ca29c507f in nxagentKeyboardProc /home/uli/work/nx/ArcticaProject/nx-libs/nx-X11/programs/Xserver/hw/nxagent/Keyboard.c:869 #2 0x7a29bff07 (<unknown module>) SUMMARY: AddressSanitizer: 8 byte(s) leaked in 3 allocation(s).
* glyph.c: fix a read beyond end of heap bufferUlrich Sibiller2019-06-221-0/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | If compiled with -fsanitize=address this showed up when running startlxde: ==11551==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60d000018fbc at pc 0x7f270a9ed57b bp 0x7fff30ef3050 sp 0x7fff30ef2800 READ of size 204 at 0x60d000018fbc thread T0 #0 0x7f270a9ed57a (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xb857a) #1 0x559dafcd5c93 in FindGlyphRef ../../render/glyph.c:179 #2 0x559dafcd705d in AddGlyph /work/nx-libs/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c:71 #3 0x559dafccc0ff in ProcRenderAddGlyphs ../../mi/../render/render.c:1186 #4 0x559dafcbd5a5 in ProcRenderDispatch /work/nx-libs/nx-X11/programs/Xserver/hw/nxagent/NXrender.c:1689 #5 0x559dafcbc4ea in Dispatch /work/nx-libs/nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c:476 #6 0x559dafc4e9b0 in main /work/nx-libs/nx-X11/programs/Xserver/dix/main.c:353 #7 0x7f2708e1d09a in __libc_start_main ../csu/libc-start.c:308 #8 0x559dafc4f5d9 in _start (/work/nx-libs/nx-X11/programs/Xserver/nxagent+0x6e5d9) 0x60d000018fbc is located 0 bytes to the right of 140-byte region [0x60d000018f30,0x60d000018fbc) allocated by thread T0 here: #0 0x7f270aa1e330 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xe9330) #1 0x559dafcd646c in AllocateGlyph ../../render/glyph.c:348 This happens when two glyphs are compared via memcmp and the smaller one happens to be identical to the beginning of the bigger one. Newer render implementations use a sha1 hash instead of memcmp so this patch will (hopefully) be obsolete once render gets updated.
* Font.c: code simplificationsUlrich Sibiller2019-06-191-20/+9
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* various scope improvementsUlrich Sibiller2019-06-198-107/+50
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* Screen.c: more debug outputUlrich Sibiller2019-06-191-1/+4
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* Extension.c: code simplificationsUlrich Sibiller2019-06-191-8/+3
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* Events.c: use designated initializer in nxagentDeactivatePointerGrabUlrich Sibiller2019-06-191-15/+17
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* Screen.c: fix another memory leakUlrich Sibiller2019-06-191-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | ==12280== 0 bytes in 5 blocks are definitely lost in loss record 1 of 304 ==12280== at 0x483577F: malloc (vg_replace_malloc.c:299) ==12280== by 0x2EFC29: init_visuals (xf86glx.c:489) ==12280== by 0x2EFC29: __MESA_initVisuals (xf86glx.c:540) ==12280== by 0x17C902: GlxInitVisuals (glxext.c:317) ==12280== by 0x218C03: fbInitVisuals (fbcmap.c:668) ==12280== by 0x20BC41: fbFinishScreenInit (fbscreen.c:229) ==12280== by 0x20C005: fbScreenInit (fbscreen.c:273) ==12280== by 0x1E024C: nxagentOpenScreen (Screen.c:1356) ==12280== by 0x16D828: AddScreen (dispatch.c:4171) ==12280== by 0x1DB7DF: InitOutput (Init.c:396) ==12280== by 0x14DB12: main (main.c:279) ==12280== ==12280== 64 bytes in 2 blocks are definitely lost in loss record 223 of 304 ==12280== at 0x483577F: malloc (vg_replace_malloc.c:299) ==12280== by 0x2EFA05: init_visuals (xf86glx.c:489) ==12280== by 0x2EFA05: __MESA_initVisuals (xf86glx.c:540) ==12280== by 0x17C902: GlxInitVisuals (glxext.c:317) ==12280== by 0x218C03: fbInitVisuals (fbcmap.c:668) ==12280== by 0x20BC41: fbFinishScreenInit (fbscreen.c:229) ==12280== by 0x20C005: fbScreenInit (fbscreen.c:273) ==12280== by 0x1E024C: nxagentOpenScreen (Screen.c:1356) ==12280== by 0x16D828: AddScreen (dispatch.c:4171) ==12280== by 0x1DB7DF: InitOutput (Init.c:396) ==12280== by 0x14DB12: main (main.c:279)
* Fix memleaks: Free devPrivates of devices on shutdownUlrich Sibiller2019-06-192-3/+17
| | | | | | | | | | | | | | | | | | | | | | Fixes these two memory leaks identified by valgrind: ==28336== 32 (8 direct, 24 indirect) bytes in 1 blocks are definitely lost in loss record 180 of 308 ==28336== at 0x48356AF: malloc (vg_replace_malloc.c:298) ==28336== by 0x4837DE7: realloc (vg_replace_malloc.c:826) ==28336== by 0x1AE322: AllocateDevicePrivate (privates.c:439) ==28336== by 0x27527B: XkbSetExtension (xkbActions.c:72) ==28336== by 0x198E9B: _RegisterPointerDevice (devices.c:361) ==28336== by 0x1DBA35: InitInput (Init.c:440) ==28336== by 0x14DBD6: main (main.c:303) ==28336== ==28336== 32 (8 direct, 24 indirect) bytes in 1 blocks are definitely lost in loss record 181 of 308 ==28336== at 0x48356AF: malloc (vg_replace_malloc.c:298) ==28336== by 0x4837DE7: realloc (vg_replace_malloc.c:826) ==28336== by 0x1AE322: AllocateDevicePrivate (privates.c:439) ==28336== by 0x27527B: XkbSetExtension (xkbActions.c:72) ==28336== by 0x198F1B: _RegisterKeyboardDevice (devices.c:384) ==28336== by 0x1DBA3D: InitInput (Init.c:441) ==28336== by 0x14DBD6: main (main.c:303)
* Keyboard.c: nullify freed pointersUlrich Sibiller2019-06-191-7/+11
| | | | | | | While trying to properly free memory allocated by XKB I accidently called nxagentFreeKeyboardDeviceData twice and noticed it would cause a segfault here. As the other pointers are also nullified after being freed let's just do it here, too.
* Screen.c: Fix: make sure RRCloseScreen is being calledUlrich Sibiller2019-06-191-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes ArcticaProject/nx-libs#598 In nxagentOpenScreen we first initialized the RRExtension for the screen and then replaced pScreen->CloseScreen by nxagentCloseScreen. This resulted in RandR's RRCloseScreen (and any other CloseScreen procedure installed by extensions) being no longer called. Moving RandR init after configuring pScreen->CloseScreen ensures the correct calling cascade: RRCloseScreen -> nxagentCloseScreen ->fbCloseScreen (called explicitly by nxagentCloseScreen). Which in turn will fix this memory leak: ==9688== 328 (312 direct, 16 indirect) bytes in 1 blocks are definitely lost in loss record 271 of 319 ==9688== at 0x4837B65: calloc (vg_replace_malloc.c:752) ==9688== by 0x4ED2C6: RRScreenInit (randr.c:329) ==9688== by 0x1F2B18: nxagentInitRandRExtension (Extensions.c:122) ==9688== by 0x1DEAFF: nxagentOpenScreen (Screen.c:1409) ==9688== by 0x16D7F8: AddScreen (dispatch.c:4257) ==9688== by 0x1DA0CF: InitOutput (Init.c:397) ==9688== by 0x14DCC2: main (main.c:280)
* Screen.c: correctly free stuff in nxagentCloseScreenUlrich Sibiller2019-06-191-3/+15
| | | | | | | | | | | | | | fixes a memory leak: ==19074== 2 bytes in 1 blocks are definitely lost in loss record 8 of 313 ==19074== at 0x483577F: malloc (vg_replace_malloc.c:299) ==19074== by 0x1FD83D: fbAllocatePrivates (fballpriv.c:79) ==19074== by 0x20A666: fbSetupScreen (fbscreen.c:110) ==19074== by 0x20A666: fbScreenInit (fbscreen.c:300) ==19074== by 0x1DEA4C: nxagentOpenScreen (Screen.c:1356) ==19074== by 0x16D7F8: AddScreen (dispatch.c:4257) ==19074== by 0x1DA0CF: InitOutput (Init.c:397) ==19074== by 0x14DCC2: main (main.c:280)
* Rootless.c: improve TEST/WARN/DEBUG outoutUlrich Sibiller2019-06-191-36/+36
| | | | by adding [] around values as almost everywhere
* Pixmap.c: fix comment phrasing/spellingUlrich Sibiller2019-06-191-2/+2
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* Window.c: add missing comment about nxagentConfiguredWindowListUlrich Sibiller2019-06-191-0/+6
| | | | | was in inital version of 6ce9fb5f2875754f97035d3338b3d0e1d20169ae but got lost during some rebasing/cherry-picking preceeding the pull request.
* dix/window.c: fix compiler warningUlrich Sibiller2019-06-191-10/+8
| | | | | Window.c:3827:46: warning: array subscript 128 is above array bounds of ‘StoringPixmapRec *[128]’ {aka ‘struct <anonymous> *[128]’} [-Warray-bounds] i, (void *) nxagentBSPixmapList[i]);
* NXshm.c: remove left-overs from patchUlrich Sibiller2019-06-121-3/+3
| | | | format was broken, would not compile
* Window.c: Drop defines CWParent and CWStackingOrderUlrich Sibiller2019-06-122-17/+14
| | | | | | They were just aliases to already existing defines and were not used stringently. So we had mix of aliased and non-aliased uses which is confusing when trying to understand the code...
* Window.c: remove leftover (commented) codeUlrich Sibiller2019-06-121-14/+0
| | | | | | | | | | | This was eventually replaced by nxagentAddConfiguredWindow(pWin, CW_Map) some lines below which is just leading to the same code being executed some time later. (nxagentAddConfiguredWindow() will add a window to a list. nxagentFlushConfiguredWindow() is called at certain points to update all windows in that list in one go. "update" here means calling XConfigureWindow() or XMapWindow() on the real display.)
* NXwindow.c: fix compiler warningUlrich Sibiller2019-06-121-1/+1
| | | | | | | | | | | | NXwindow.c:265:27: warning: ‘%d’ directive writing between 1 and 11 bytes into a region of size 10 [-Wformat-overflow=] sprintf(artsd_port,"%d", nPort); ^~ NXwindow.c:265:26: note: directive argument in the range [-2147476648, 2147483647] sprintf(artsd_port,"%d", nPort); ^~~~ NXwindow.c:265:7: note: ‘sprintf’ output between 2 and 12 bytes into a destination of size 10 sprintf(artsd_port,"%d", nPort); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Remove the Must_have_memory hack.Ulrich Sibiller2019-06-121-3/+1
| | | | | | | | | | | | | We are not using any alloc function that respects that variable, so lets drop it. Backport of this commit: commit 0ce61e21d6d7dcca0090e319bbcdb678570f2c3f Author: Adam Jackson <ajax@redhat.com> Date: Fri Oct 3 16:05:19 2008 -0400 Remove the Must_have_memory hack. Also remove an astonishing amount of misunderstanding of how casts work.
* NXdispatch.c: use upstream version of ProcSetSelectionOwnerUlrich Sibiller2019-06-111-97/+0
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* NXdispatch.c: Use Callback instead of a modified functionUlrich Sibiller2019-06-112-9/+9
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* Add nxagentSetSelectionCallbackUlrich Sibiller2019-06-111-0/+69
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* Add nxagentExternalClipboardEventTrapUlrich Sibiller2019-06-113-0/+28
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* NXmiexpose.c: drop file altogetherUlrich Sibiller2019-06-112-194/+0
| | | | The only left function is identical to the one in mi/miexpose.c.
* Window.c/NXmiexpose.c: remove hack for certain WM themeUlrich Sibiller2019-06-112-33/+1
| | | | | We do not even know what theme this is and it is probably not relevant nowadays.
* NXmiexpose.c: mark NX changesUlrich Sibiller2019-06-111-4/+5
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* NXmiexpose.c: use upstream version of miPaintWindows()Ulrich Sibiller2019-06-111-269/+0
| | | | | | | | | miPaintWindow() was identical to the version in miexpose.c except for some unitialized variable fixes. As these also should be in upstream code we add them there (Note: Xorg never fixed this but totally rewrote the miPaintWindow() later on.) This allows us to totally drop our special version of miPaintWindow().
* NXmiexpose.c: use upstream miHandleExposures()Ulrich Sibiller2019-06-111-274/+0
| | | | | It is (functionally) identical to our code, so why have duplicate code?
* Window.c: comment on the purpose of some functionsUlrich Sibiller2019-06-111-8/+166
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* Events.c: add debug outputUlrich Sibiller2019-06-111-0/+7
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* Clipboard.c: more debugging outputUlrich Sibiller2019-06-111-1/+17
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* Clipboard.c: Scope improvementsUlrich Sibiller2019-06-111-5/+2
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* Clipboard.c: fix wrong variable being printedUlrich Sibiller2019-06-111-1/+1
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* Screen.c: more TEST outputUlrich Sibiller2019-06-111-5/+10
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* Screen.c: use consistent spacing on pointer referencesUlrich Sibiller2019-06-111-4/+4
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* Screen.c: whitespace/formatting fixesUlrich Sibiller2019-06-111-21/+22
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* Screen.c: report both created windows (and with the right name)Ulrich Sibiller2019-06-111-4/+9
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* Window.c: fix: report correct window on icon window creationUlrich Sibiller2019-06-111-2/+2
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* Fix NXevents.c: Reactivate errornously commented functionUlrich Sibiller2019-06-111-66/+75
| | | | | | | | | CheckMotion() had been commented in add881931f2e702fb1952f4e1baba04b3dc536ee as it looked identical to the version from dix/events.c except for some commented code. But this based (probably) on a thinko - code that had been disabled by NX became active again this way. Fix this by removing the comments and by adding #ifdef/else to emphasize the difference.
* dix: remove unused requestLogIndexUlrich Sibiller2019-05-291-6/+0
| | | | | | | | | | | | | | | | | | | | | As done in these commits: commit 6583477035234e23ead2fad9db7a07e5862447a4 Author: Nicolai Hähnle <nhaehnle@gmail.com> Date: Sat May 23 13:35:24 2009 +0200 Remove reference to non-existing requestLog and requestLogIndex These fields were removed in 252ec504817e05b185e4896a2d899e9c00b8aeef. Signed-off-by: Nicolai Haehnle <nhaehnle@gmail.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> commit 252ec504817e05b185e4896a2d899e9c00b8aeef Author: Adam Jackson <ajax@redhat.com> Date: Mon Mar 30 15:18:30 2009 -0400 Document which bits of ClientRec are currently unused
* nxagent: make nxagentX2go a BooleanUlrich Sibiller2019-05-102-10/+10
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* Remove useless "ignore" keystroke for Ctrl-Alt-BackspaceUlrich Sibiller2019-05-101-2/+0
| | | | nxagent does not react on that anyway (see xkb/xkbDflts.h)
* NXdispatch.c: indent code to match environmentUlrich Sibiller2019-05-101-13/+13
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* NXdispatch.c: add missing fixesUlrich Sibiller2019-05-101-5/+3
| | | | transfer to derived file was incomplete in 6acbfab33133a92dbd7f128284d26f94bfeb1af2
* NXdispatch.c: add missing changeUlrich Sibiller2019-05-101-0/+3
| | | | This change was missing in 239fe3d0802b12ce8947741693244ff8154fa559
* NXdamage.c: add missing upstream fixesUlrich Sibiller2019-05-101-10/+10
| | | | | | | | | | | | | | | | | | Some of those fixes have been part of xorg's INITIAL damage.c from 2004. They where missing in NX nevertheless. The other fixes come from this commit: commit fec868bf0f67a8f62fc69d55e2ff72b6cacea6f8 Author: Roland Mainz <roland.mainz@nrubsig.org> Date: Tue Nov 23 17:10:55 2004 +0000 //freedesktop.org/bugzilla/show_bug.cgi?id=1204): Fix X11 test suite (caused by DAMAGE layer) failure with Xvfb when rendering text using |XDrawText*()| (XDrawText() tests 1, 3, 4, 27, 28, 29, 30, 34, 37, 39, 41, 43 and XDrawText16() tests 1, 3, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 34, 37, 39, 41, 43). Patch by Hong Bo Peng <penghb@cn.ibm.com> and Stefan Dirsch <sndirsch@suse.de>.
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