Accepting request 1036010 from multimedia:libs
OBS-URL: https://build.opensuse.org/request/show/1036010 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/lcms2?expand=0&rev=36
This commit is contained in:
commit
486c044756
77
0001-fix-memory-corruption-when-unregistering-plugins.patch
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77
0001-fix-memory-corruption-when-unregistering-plugins.patch
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@ -0,0 +1,77 @@
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From a9e4601ceb3a185d4f78cc0cfbd285cf0c399e9d Mon Sep 17 00:00:00 2001
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From: Marti Maria <marti.maria@littlecms.com>
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Date: Sat, 12 Nov 2022 20:00:46 +0100
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Subject: [PATCH] fix memory corruption when unregistering plugins
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unregistering plugins twice may corrupt memory. This commit fixes that.
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---
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plugins/fast_float/testbed/fast_float_testbed.c | 4 ++--
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src/cmsplugin.c | 16 +++++++++-------
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2 files changed, 11 insertions(+), 9 deletions(-)
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diff --git a/plugins/fast_float/testbed/fast_float_testbed.c b/plugins/fast_float/testbed/fast_float_testbed.c
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index ea23c10..addef00 100644
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--- a/plugins/fast_float/testbed/fast_float_testbed.c
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+++ b/plugins/fast_float/testbed/fast_float_testbed.c
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@@ -2468,7 +2468,7 @@ int main()
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trace("Installing plug-in ... ");
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cmsPlugin(cmsFastFloatExtensions());
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trace("done.\n\n");
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-
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+
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CheckComputeIncrements();
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// 15 bit functionality
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@@ -2508,7 +2508,7 @@ int main()
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trace("\nAll tests passed OK\n");
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- cmsUnregisterPlugins();
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+ cmsDeleteContext(0);
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return 0;
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}
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diff --git a/src/cmsplugin.c b/src/cmsplugin.c
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index 7d038d2..1d8c358 100644
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--- a/src/cmsplugin.c
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+++ b/src/cmsplugin.c
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@@ -795,9 +795,7 @@ void* _cmsContextGetClientChunk(cmsContext ContextID, _cmsMemoryClient mc)
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// many different plug-ins simultaneously, then there is no way to
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// identify which plug-in to unregister.
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void CMSEXPORT cmsUnregisterPluginsTHR(cmsContext ContextID)
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-{
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- struct _cmsContext_struct* ctx = _cmsGetContext(ContextID);
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-
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+{
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_cmsRegisterMemHandlerPlugin(ContextID, NULL);
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_cmsRegisterInterpPlugin(ContextID, NULL);
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_cmsRegisterTagTypePlugin(ContextID, NULL);
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@@ -811,9 +809,6 @@ void CMSEXPORT cmsUnregisterPluginsTHR(cmsContext ContextID)
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_cmsRegisterMutexPlugin(ContextID, NULL);
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_cmsRegisterParallelizationPlugin(ContextID, NULL);
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- if (ctx->MemPool != NULL)
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- _cmsSubAllocDestroy(ctx->MemPool);
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- ctx->MemPool = NULL;
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}
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@@ -981,7 +976,14 @@ cmsContext CMSEXPORT cmsDupContext(cmsContext ContextID, void* NewUserData)
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// The ContextID can no longer be used in any THR operation.
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void CMSEXPORT cmsDeleteContext(cmsContext ContextID)
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{
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- if (ContextID != NULL) {
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+ if (ContextID == NULL) {
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+
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+ cmsUnregisterPlugins();
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+ if (globalContext.MemPool != NULL)
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+ _cmsSubAllocDestroy(globalContext.MemPool);
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+ globalContext.MemPool = NULL;
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+ }
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+ else {
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struct _cmsContext_struct* ctx = (struct _cmsContext_struct*) ContextID;
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struct _cmsContext_struct fakeContext;
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--
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2.35.3
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Wed Nov 16 07:39:44 UTC 2022 - Dave Plater <davejplater@gmail.com>
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- Removed reverse-0001-fix-memory-leaks-on-testbed.patch and added
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0001-fix-memory-corruption-when-unregistering-plugins.patch as
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final fix for https://github.com/hughsie/colord/issues/145
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-------------------------------------------------------------------
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Fri Nov 11 13:40:18 UTC 2022 - Dave Plater <davejplater@gmail.com>
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@ -27,9 +27,7 @@ Source0: https://github.com/mm2/Little-CMS/releases/download/lcms%{versio
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Source1: baselibs.conf
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Patch0: lcms2-ocloexec.patch
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Patch1: lcms2-visibility.patch
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%ifarch i586
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Patch2: reverse-0001-fix-memory-leaks-on-testbed.patch
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%endif
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Patch2: 0001-fix-memory-corruption-when-unregistering-plugins.patch
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%if 0%{?suse_version}
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BuildRequires: autoconf
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BuildRequires: glibc-devel
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@ -1,204 +0,0 @@
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Index: b/plugins/fast_float/testbed/fast_float_testbed.c
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===================================================================
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--- a/plugins/fast_float/testbed/fast_float_testbed.c 2022-11-01 12:13:11.000000000 +0200
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+++ b/plugins/fast_float/testbed/fast_float_testbed.c 2022-11-11 14:18:08.695497815 +0200
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@@ -24,10 +24,6 @@
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#include <stdlib.h>
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#include <memory.h>
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-// On Visual Studio, use debug CRT
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-#ifdef _MSC_VER
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-# include "crtdbg.h"
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-#endif
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#define PROFILES_DIR "../../test_profiles/"
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@@ -58,12 +54,12 @@ typedef struct { cmsFloat32Number L, a,
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static
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void trace(const char* frm, ...)
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{
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- va_list args;
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+ va_list args;
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- va_start(args, frm);
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- vfprintf(stderr, frm, args);
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- fflush(stderr);
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- va_end(args);
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+ va_start(args, frm);
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+ vfprintf(stderr, frm, args);
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+ fflush(stderr);
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+ va_end(args);
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}
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@@ -592,9 +588,9 @@ void CheckUncommonValues(cmsHPROFILE hlc
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for (i = 0; i < npixels; i++)
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{
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- bufferIn[i].r = i / 40.0f - 0.5f;
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- bufferIn[i].g = i / 20.0f - 0.5f;
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- bufferIn[i].b = i / 60.0f - 0.5f;
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+ bufferIn[i].r = i / 40.0 - 0.5;
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+ bufferIn[i].g = i / 20.0 - 0.5;
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+ bufferIn[i].b = i / 60.0 - 0.5;
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}
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cmsDoTransform(xformPlugin, bufferIn, bufferPluginOut, npixels);
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@@ -677,7 +673,7 @@ void CheckToEncodedLab(void)
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}
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- cmsDeleteTransform(xform); cmsDeleteTransform(xform_plugin);
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+ cmsDeleteTransform(xform);
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cmsCloseProfile(hsRGB); cmsCloseProfile(hLab);
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cmsDeleteContext(Raw);
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cmsDeleteContext(Plugin);
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@@ -720,7 +716,7 @@ void CheckToFloatLab(void)
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}
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- cmsDeleteTransform(xform); cmsDeleteTransform(xform_plugin);
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+ cmsDeleteTransform(xform);
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cmsCloseProfile(hsRGB); cmsCloseProfile(hLab);
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cmsDeleteContext(Raw);
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cmsDeleteContext(Plugin);
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@@ -1219,9 +1215,6 @@ void CheckLab2RGB(void)
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cmsFloat32Number maxInside = 0, maxOutside = 0, L, a, b;
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trace("Checking Lab -> RGB...");
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- cmsCloseProfile(hLab);
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- cmsCloseProfile(hRGB);
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-
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for (L = 4; L <= 100; L++)
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{
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for (a = -30; a < +30; a++)
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@@ -1327,7 +1320,6 @@ void CheckSoftProofing(void)
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j++;
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}
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- free(In); free(Out1); free(Out2);
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cmsDeleteTransform(hXformNoPlugin);
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cmsDeleteTransform(hXformPlugin);
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@@ -2180,7 +2172,7 @@ cmsFloat64Number SpeedTestFloatByUsing16
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}
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diff = clock() - atime;
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- free(In); free(tmp16);
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+ free(In);
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cmsDeleteTransform(xform16);
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return MPixSec(diff);
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@@ -2450,15 +2442,11 @@ void TestGrayTransformPerformance1()
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trace("Gray conversion using two devicelinks\t %-12.2f MPixels/Sec.\n", MPixSec(diff));
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}
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+
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// The harness test
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int main()
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{
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-
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-#ifdef _MSC_VER
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- _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
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-#endif
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-
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- trace("FastFloating point extensions testbed - 1.6\n");
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+ trace("FastFloating point extensions testbed - 1.5\n");
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trace("Copyright (c) 1998-2022 Marti Maria Saguer, all rights reserved\n");
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trace("\nInstalling error logger ... ");
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@@ -2468,7 +2456,7 @@ int main()
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trace("Installing plug-in ... ");
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cmsPlugin(cmsFastFloatExtensions());
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trace("done.\n\n");
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-
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+
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CheckComputeIncrements();
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// 15 bit functionality
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@@ -2476,26 +2464,26 @@ int main()
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Check15bitsConversions();
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// 16 bits functionality
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- CheckAccuracy16Bits();
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+ CheckAccuracy16Bits();
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// Lab to whatever
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CheckLab2RGB();
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// Change format
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CheckChangeFormat();
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-
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+
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// Soft proofing
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CheckSoftProofing();
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-
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+
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// Floating point functionality
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CheckConversionFloat();
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trace("All floating point tests passed OK\n");
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-
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+
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SpeedTest8();
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SpeedTest16();
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SpeedTest15();
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SpeedTestFloat();
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-
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+
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ComparativeFloatVs16bits();
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ComparativeLineStride8bits();
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@@ -2508,7 +2496,6 @@ int main()
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trace("\nAll tests passed OK\n");
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- cmsUnregisterPlugins();
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return 0;
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}
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Index: b/src/cmsplugin.c
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===================================================================
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--- a/src/cmsplugin.c 2022-11-01 12:13:11.000000000 +0200
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+++ b/src/cmsplugin.c 2022-11-11 14:18:08.699497675 +0200
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@@ -796,8 +796,6 @@ void* _cmsContextGetClientChunk(cmsConte
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// identify which plug-in to unregister.
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void CMSEXPORT cmsUnregisterPluginsTHR(cmsContext ContextID)
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{
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- struct _cmsContext_struct* ctx = _cmsGetContext(ContextID);
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-
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_cmsRegisterMemHandlerPlugin(ContextID, NULL);
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_cmsRegisterInterpPlugin(ContextID, NULL);
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_cmsRegisterTagTypePlugin(ContextID, NULL);
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@@ -810,10 +808,6 @@ void CMSEXPORT cmsUnregisterPluginsTHR(c
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_cmsRegisterTransformPlugin(ContextID, NULL);
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_cmsRegisterMutexPlugin(ContextID, NULL);
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_cmsRegisterParallelizationPlugin(ContextID, NULL);
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-
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- if (ctx->MemPool != NULL)
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- _cmsSubAllocDestroy(ctx->MemPool);
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- ctx->MemPool = NULL;
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}
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Index: b/testbed/testcms2.c
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===================================================================
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--- a/testbed/testcms2.c 2022-11-01 12:13:11.000000000 +0200
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+++ b/testbed/testcms2.c 2022-11-11 14:18:08.699497675 +0200
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@@ -9232,12 +9232,13 @@ int main(int argc, char* argv[])
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_CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
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#endif
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+
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// First of all, check for the right header
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- if (cmsGetEncodedCMMversion() != LCMS_VERSION) {
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- Die("Oops, you are mixing header and shared lib!\nHeader version reports to be '%d' and shared lib '%d'\n", LCMS_VERSION, cmsGetEncodedCMMversion());
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- }
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+ if (cmsGetEncodedCMMversion() != LCMS_VERSION) {
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+ Die("Oops, you are mixing header and shared lib!\nHeader version reports to be '%d' and shared lib '%d'\n", LCMS_VERSION, cmsGetEncodedCMMversion());
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+ }
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- printf("LittleCMS %2.2f test bed %s %s\n\n", cmsGetEncodedCMMversion() / 1000.0, __DATE__, __TIME__);
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+ printf("LittleCMS %2.2f test bed %s %s\n\n", LCMS_VERSION / 1000.0, __DATE__, __TIME__);
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if ((argc == 2) && strcmp(argv[1], "--exhaustive") == 0) {
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