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Diffstat (limited to 'third_party/lcms/src/cmserr.c')
| -rw-r--r-- | third_party/lcms/src/cmserr.c | 707 |
1 files changed, 707 insertions, 0 deletions
diff --git a/third_party/lcms/src/cmserr.c b/third_party/lcms/src/cmserr.c new file mode 100644 index 0000000000..f9adc3824a --- /dev/null +++ b/third_party/lcms/src/cmserr.c @@ -0,0 +1,707 @@ +//--------------------------------------------------------------------------------- +// +// Little Color Management System +// Copyright (c) 1998-2012 Marti Maria Saguer +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the "Software"), +// to deal in the Software without restriction, including without limitation +// the rights to use, copy, modify, merge, publish, distribute, sublicense, +// and/or sell copies of the Software, and to permit persons to whom the Software +// is furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO +// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +//--------------------------------------------------------------------------------- + +#include "lcms2_internal.h" + +// I am so tired about incompatibilities on those functions that here are some replacements +// that hopefully would be fully portable. + +// compare two strings ignoring case +int CMSEXPORT cmsstrcasecmp(const char* s1, const char* s2) +{ + register const unsigned char *us1 = (const unsigned char *)s1, + *us2 = (const unsigned char *)s2; + + while (toupper(*us1) == toupper(*us2++)) + if (*us1++ == '\0') + return 0; + + return (toupper(*us1) - toupper(*--us2)); +} + +// long int because C99 specifies ftell in such way (7.19.9.2) +long int CMSEXPORT cmsfilelength(FILE* f) +{ + long int p , n; + + p = ftell(f); // register current file position + + if (fseek(f, 0, SEEK_END) != 0) { + return -1; + } + + n = ftell(f); + fseek(f, p, SEEK_SET); // file position restored + + return n; +} + +#if 0 +// Memory handling ------------------------------------------------------------------ +// +// This is the interface to low-level memory management routines. By default a simple +// wrapping to malloc/free/realloc is provided, although there is a limit on the max +// amount of memoy that can be reclaimed. This is mostly as a safety feature to prevent +// bogus or evil code to allocate huge blocks that otherwise lcms would never need. + +#define MAX_MEMORY_FOR_ALLOC ((cmsUInt32Number)(1024U*1024U*512U)) + +// User may override this behaviour by using a memory plug-in, which basically replaces +// the default memory management functions. In this case, no check is performed and it +// is up to the plug-in writter to keep in the safe side. There are only three functions +// required to be implemented: malloc, realloc and free, although the user may want to +// replace the optional mallocZero, calloc and dup as well. + +cmsBool _cmsRegisterMemHandlerPlugin(cmsContext ContextID, cmsPluginBase* Plugin); + +// ********************************************************************************* + +// This is the default memory allocation function. It does a very coarse +// check of amout of memory, just to prevent exploits +static +void* _cmsMallocDefaultFn(cmsContext ContextID, cmsUInt32Number size) +{ + if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never allow over maximum + + return (void*) malloc(size); + + cmsUNUSED_PARAMETER(ContextID); +} + +// Generic allocate & zero +static +void* _cmsMallocZeroDefaultFn(cmsContext ContextID, cmsUInt32Number size) +{ + void *pt = _cmsMalloc(ContextID, size); + if (pt == NULL) return NULL; + + memset(pt, 0, size); + return pt; +} + + +// The default free function. The only check proformed is against NULL pointers +static +void _cmsFreeDefaultFn(cmsContext ContextID, void *Ptr) +{ + // free(NULL) is defined a no-op by C99, therefore it is safe to + // avoid the check, but it is here just in case... + + if (Ptr) free(Ptr); + + cmsUNUSED_PARAMETER(ContextID); +} + +// The default realloc function. Again it checks for exploits. If Ptr is NULL, +// realloc behaves the same way as malloc and allocates a new block of size bytes. +static +void* _cmsReallocDefaultFn(cmsContext ContextID, void* Ptr, cmsUInt32Number size) +{ + + if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never realloc over 512Mb + + return realloc(Ptr, size); + + cmsUNUSED_PARAMETER(ContextID); +} + + +// The default calloc function. Allocates an array of num elements, each one of size bytes +// all memory is initialized to zero. +static +void* _cmsCallocDefaultFn(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size) +{ + cmsUInt32Number Total = num * size; + + // Preserve calloc behaviour + if (Total == 0) return NULL; + + // Safe check for overflow. + if (num >= UINT_MAX / size) return NULL; + + // Check for overflow + if (Total < num || Total < size) { + return NULL; + } + + if (Total > MAX_MEMORY_FOR_ALLOC) return NULL; // Never alloc over 512Mb + + return _cmsMallocZero(ContextID, Total); +} + +// Generic block duplication +static +void* _cmsDupDefaultFn(cmsContext ContextID, const void* Org, cmsUInt32Number size) +{ + void* mem; + + if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never dup over 512Mb + + mem = _cmsMalloc(ContextID, size); + + if (mem != NULL && Org != NULL) + memmove(mem, Org, size); + + return mem; +} + + +// Pointers to memory manager functions in Context0 +_cmsMemPluginChunkType _cmsMemPluginChunk = { _cmsMallocDefaultFn, _cmsMallocZeroDefaultFn, _cmsFreeDefaultFn, + _cmsReallocDefaultFn, _cmsCallocDefaultFn, _cmsDupDefaultFn + }; + + +// Reset and duplicate memory manager +void _cmsAllocMemPluginChunk(struct _cmsContext_struct* ctx, const struct _cmsContext_struct* src) +{ + _cmsAssert(ctx != NULL); + + if (src != NULL) { + + // Duplicate + ctx ->chunks[MemPlugin] = _cmsSubAllocDup(ctx ->MemPool, src ->chunks[MemPlugin], sizeof(_cmsMemPluginChunkType)); + } + else { + + // To reset it, we use the default allocators, which cannot be overriden + ctx ->chunks[MemPlugin] = &ctx ->DefaultMemoryManager; + } +} + +// Auxiliar to fill memory management functions from plugin (or context 0 defaults) +void _cmsInstallAllocFunctions(cmsPluginMemHandler* Plugin, _cmsMemPluginChunkType* ptr) +{ + if (Plugin == NULL) { + + memcpy(ptr, &_cmsMemPluginChunk, sizeof(_cmsMemPluginChunk)); + } + else { + + ptr ->MallocPtr = Plugin -> MallocPtr; + ptr ->FreePtr = Plugin -> FreePtr; + ptr ->ReallocPtr = Plugin -> ReallocPtr; + + // Make sure we revert to defaults + ptr ->MallocZeroPtr= _cmsMallocZeroDefaultFn; + ptr ->CallocPtr = _cmsCallocDefaultFn; + ptr ->DupPtr = _cmsDupDefaultFn; + + if (Plugin ->MallocZeroPtr != NULL) ptr ->MallocZeroPtr = Plugin -> MallocZeroPtr; + if (Plugin ->CallocPtr != NULL) ptr ->CallocPtr = Plugin -> CallocPtr; + if (Plugin ->DupPtr != NULL) ptr ->DupPtr = Plugin -> DupPtr; + + } +} + + +// Plug-in replacement entry +cmsBool _cmsRegisterMemHandlerPlugin(cmsContext ContextID, cmsPluginBase *Data) +{ + cmsPluginMemHandler* Plugin = (cmsPluginMemHandler*) Data; + _cmsMemPluginChunkType* ptr; + + // NULL forces to reset to defaults. In this special case, the defaults are stored in the context structure. + // Remaining plug-ins does NOT have any copy in the context structure, but this is somehow special as the + // context internal data should be malloce'd by using those functions. + if (Data == NULL) { + + struct _cmsContext_struct* ctx = ( struct _cmsContext_struct*) ContextID; + + // Return to the default allocators + if (ContextID != NULL) { + ctx->chunks[MemPlugin] = (void*) &ctx->DefaultMemoryManager; + } + return TRUE; + } + + // Check for required callbacks + if (Plugin -> MallocPtr == NULL || + Plugin -> FreePtr == NULL || + Plugin -> ReallocPtr == NULL) return FALSE; + + // Set replacement functions + ptr = (_cmsMemPluginChunkType*) _cmsContextGetClientChunk(ContextID, MemPlugin); + if (ptr == NULL) + return FALSE; + + _cmsInstallAllocFunctions(Plugin, ptr); + return TRUE; +} +#else +#include "core/fxcrt/fx_memory.h" +#include "core/fxcrt/fx_system.h" + +cmsBool _cmsRegisterMemHandlerPlugin(cmsContext ContextID, cmsPluginBase* Plugin) +{ + return TRUE; +} + +// Generic allocate +void* CMSEXPORT _cmsMalloc(cmsContext ContextID, cmsUInt32Number size) +{ + return FXMEM_DefaultAlloc(size, 1); +} + +// Generic allocate & zero +void* CMSEXPORT _cmsMallocZero(cmsContext ContextID, cmsUInt32Number size) +{ + void* p = FXMEM_DefaultAlloc(size, 1); + if (p) memset(p, 0, size); + return p; +} + +// Generic calloc +void* CMSEXPORT _cmsCalloc(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size) +{ + cmsUInt32Number total = num * size; + if (total == 0 || total / size != num || total >= 512 * 1024 * 1024) + return NULL; + + return _cmsMallocZero(ContextID, num * size); +} + +// Generic reallocate +void* CMSEXPORT _cmsRealloc(cmsContext ContextID, void* Ptr, cmsUInt32Number size) +{ + return FXMEM_DefaultRealloc(Ptr, size, 1); +} + +// Generic free memory +void CMSEXPORT _cmsFree(cmsContext ContextID, void* Ptr) +{ + if (Ptr != NULL) FXMEM_DefaultFree(Ptr, 0); +} + +// Generic block duplication +void* CMSEXPORT _cmsDupMem(cmsContext ContextID, const void* Org, cmsUInt32Number size) +{ + void* p = FXMEM_DefaultAlloc(size, 1); + memmove(p, Org, size); + return p; +} + +_cmsMemPluginChunkType _cmsMemPluginChunk = {_cmsMalloc, _cmsMallocZero, _cmsFree, + _cmsRealloc, _cmsCalloc, _cmsDupMem + }; + +void _cmsAllocMemPluginChunk(struct _cmsContext_struct* ctx, const struct _cmsContext_struct* src) +{ + _cmsAssert(ctx != NULL); + + if (src != NULL) { + + // Duplicate + ctx ->chunks[MemPlugin] = _cmsSubAllocDup(ctx ->MemPool, src ->chunks[MemPlugin], sizeof(_cmsMemPluginChunkType)); + } + else { + + // To reset it, we use the default allocators, which cannot be overriden + ctx ->chunks[MemPlugin] = &ctx ->DefaultMemoryManager; + } +} + +void _cmsInstallAllocFunctions(cmsPluginMemHandler* Plugin, _cmsMemPluginChunkType* ptr) +{ + if (Plugin == NULL) { + + memcpy(ptr, &_cmsMemPluginChunk, sizeof(_cmsMemPluginChunk)); + } + else { + + ptr ->MallocPtr = Plugin -> MallocPtr; + ptr ->FreePtr = Plugin -> FreePtr; + ptr ->ReallocPtr = Plugin -> ReallocPtr; + + // Make sure we revert to defaults + ptr ->MallocZeroPtr= _cmsMallocZero; + ptr ->CallocPtr = _cmsCalloc; + ptr ->DupPtr = _cmsDupMem; + + if (Plugin ->MallocZeroPtr != NULL) ptr ->MallocZeroPtr = Plugin -> MallocZeroPtr; + if (Plugin ->CallocPtr != NULL) ptr ->CallocPtr = Plugin -> CallocPtr; + if (Plugin ->DupPtr != NULL) ptr ->DupPtr = Plugin -> DupPtr; + + } +} +#endif + +// ******************************************************************************************** + +// Sub allocation takes care of many pointers of small size. The memory allocated in +// this way have be freed at once. Next function allocates a single chunk for linked list +// I prefer this method over realloc due to the big inpact on xput realloc may have if +// memory is being swapped to disk. This approach is safer (although that may not be true on all platforms) +static +_cmsSubAllocator_chunk* _cmsCreateSubAllocChunk(cmsContext ContextID, cmsUInt32Number Initial) +{ + _cmsSubAllocator_chunk* chunk; + + // 20K by default + if (Initial == 0) + Initial = 20*1024; + + // Create the container + chunk = (_cmsSubAllocator_chunk*) _cmsMallocZero(ContextID, sizeof(_cmsSubAllocator_chunk)); + if (chunk == NULL) return NULL; + + // Initialize values + chunk ->Block = (cmsUInt8Number*) _cmsMalloc(ContextID, Initial); + if (chunk ->Block == NULL) { + + // Something went wrong + _cmsFree(ContextID, chunk); + return NULL; + } + + chunk ->BlockSize = Initial; + chunk ->Used = 0; + chunk ->next = NULL; + + return chunk; +} + +// The suballocated is nothing but a pointer to the first element in the list. We also keep +// the thread ID in this structure. +_cmsSubAllocator* _cmsCreateSubAlloc(cmsContext ContextID, cmsUInt32Number Initial) +{ + _cmsSubAllocator* sub; + + // Create the container + sub = (_cmsSubAllocator*) _cmsMallocZero(ContextID, sizeof(_cmsSubAllocator)); + if (sub == NULL) return NULL; + + sub ->ContextID = ContextID; + + sub ->h = _cmsCreateSubAllocChunk(ContextID, Initial); + if (sub ->h == NULL) { + _cmsFree(ContextID, sub); + return NULL; + } + + return sub; +} + + +// Get rid of whole linked list +void _cmsSubAllocDestroy(_cmsSubAllocator* sub) +{ + _cmsSubAllocator_chunk *chunk, *n; + + for (chunk = sub ->h; chunk != NULL; chunk = n) { + + n = chunk->next; + if (chunk->Block != NULL) _cmsFree(sub ->ContextID, chunk->Block); + _cmsFree(sub ->ContextID, chunk); + } + + // Free the header + _cmsFree(sub ->ContextID, sub); +} + + +// Get a pointer to small memory block. +void* _cmsSubAlloc(_cmsSubAllocator* sub, cmsUInt32Number size) +{ + cmsUInt32Number Free = sub -> h ->BlockSize - sub -> h -> Used; + cmsUInt8Number* ptr; + + size = _cmsALIGNMEM(size); + + // Check for memory. If there is no room, allocate a new chunk of double memory size. + if (size > Free) { + + _cmsSubAllocator_chunk* chunk; + cmsUInt32Number newSize; + + newSize = sub -> h ->BlockSize * 2; + if (newSize < size) newSize = size; + + chunk = _cmsCreateSubAllocChunk(sub -> ContextID, newSize); + if (chunk == NULL) return NULL; + + // Link list + chunk ->next = sub ->h; + sub ->h = chunk; + + } + + ptr = sub -> h ->Block + sub -> h ->Used; + sub -> h -> Used += size; + + return (void*) ptr; +} + +// Duplicate in pool +void* _cmsSubAllocDup(_cmsSubAllocator* s, const void *ptr, cmsUInt32Number size) +{ + void *NewPtr; + + // Dup of null pointer is also NULL + if (ptr == NULL) + return NULL; + + NewPtr = _cmsSubAlloc(s, size); + + if (ptr != NULL && NewPtr != NULL) { + memcpy(NewPtr, ptr, size); + } + + return NewPtr; +} + + + +// Error logging ****************************************************************** + +// There is no error handling at all. When a funtion fails, it returns proper value. +// For example, all create functions does return NULL on failure. Other return FALSE +// It may be interesting, for the developer, to know why the function is failing. +// for that reason, lcms2 does offer a logging function. This function does recive +// a ENGLISH string with some clues on what is going wrong. You can show this +// info to the end user, or just create some sort of log. +// The logging function should NOT terminate the program, as this obviously can leave +// resources. It is the programmer's responsability to check each function return code +// to make sure it didn't fail. + +// Error messages are limited to MAX_ERROR_MESSAGE_LEN + +#define MAX_ERROR_MESSAGE_LEN 1024 + +// --------------------------------------------------------------------------------------------------------- + +// This is our default log error +static void DefaultLogErrorHandlerFunction(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *Text); + +// Context0 storage, which is global +_cmsLogErrorChunkType _cmsLogErrorChunk = { DefaultLogErrorHandlerFunction }; + +// Allocates and inits error logger container for a given context. If src is NULL, only initializes the value +// to the default. Otherwise, it duplicates the value. The interface is standard across all context clients +void _cmsAllocLogErrorChunk(struct _cmsContext_struct* ctx, + const struct _cmsContext_struct* src) +{ + static _cmsLogErrorChunkType LogErrorChunk = { DefaultLogErrorHandlerFunction }; + void* from; + + if (src != NULL) { + from = src ->chunks[Logger]; + } + else { + from = &LogErrorChunk; + } + + ctx ->chunks[Logger] = _cmsSubAllocDup(ctx ->MemPool, from, sizeof(_cmsLogErrorChunkType)); +} + +// The default error logger does nothing. +static +void DefaultLogErrorHandlerFunction(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *Text) +{ + // fprintf(stderr, "[lcms]: %s\n", Text); + // fflush(stderr); + + cmsUNUSED_PARAMETER(ContextID); + cmsUNUSED_PARAMETER(ErrorCode); + cmsUNUSED_PARAMETER(Text); +} + +// Change log error, context based +void CMSEXPORT cmsSetLogErrorHandlerTHR(cmsContext ContextID, cmsLogErrorHandlerFunction Fn) +{ + _cmsLogErrorChunkType* lhg = (_cmsLogErrorChunkType*) _cmsContextGetClientChunk(ContextID, Logger); + + if (lhg != NULL) { + + if (Fn == NULL) + lhg -> LogErrorHandler = DefaultLogErrorHandlerFunction; + else + lhg -> LogErrorHandler = Fn; + } +} + +// Change log error, legacy +void CMSEXPORT cmsSetLogErrorHandler(cmsLogErrorHandlerFunction Fn) +{ + cmsSetLogErrorHandlerTHR(NULL, Fn); +} + +// Log an error +// ErrorText is a text holding an english description of error. +void CMSEXPORT cmsSignalError(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *ErrorText, ...) +{ + va_list args; + char Buffer[MAX_ERROR_MESSAGE_LEN]; + _cmsLogErrorChunkType* lhg; + + + va_start(args, ErrorText); + vsnprintf(Buffer, MAX_ERROR_MESSAGE_LEN-1, ErrorText, args); + va_end(args); + + // Check for the context, if specified go there. If not, go for the global + lhg = (_cmsLogErrorChunkType*) _cmsContextGetClientChunk(ContextID, Logger); + if (lhg ->LogErrorHandler) { + lhg ->LogErrorHandler(ContextID, ErrorCode, Buffer); + } +} + +// Utility function to print signatures +void _cmsTagSignature2String(char String[5], cmsTagSignature sig) +{ + cmsUInt32Number be; + + // Convert to big endian + be = _cmsAdjustEndianess32((cmsUInt32Number) sig); + + // Move chars + memmove(String, &be, 4); + + // Make sure of terminator + String[4] = 0; +} + +//-------------------------------------------------------------------------------------------------- + + +static +void* defMtxCreate(cmsContext id) +{ + _cmsMutex* ptr_mutex = (_cmsMutex*) _cmsMalloc(id, sizeof(_cmsMutex)); + _cmsInitMutexPrimitive(ptr_mutex); + return (void*) ptr_mutex; +} + +static +void defMtxDestroy(cmsContext id, void* mtx) +{ + _cmsDestroyMutexPrimitive((_cmsMutex *) mtx); + _cmsFree(id, mtx); +} + +static +cmsBool defMtxLock(cmsContext id, void* mtx) +{ + cmsUNUSED_PARAMETER(id); + return _cmsLockPrimitive((_cmsMutex *) mtx) == 0; +} + +static +void defMtxUnlock(cmsContext id, void* mtx) +{ + cmsUNUSED_PARAMETER(id); + _cmsUnlockPrimitive((_cmsMutex *) mtx); +} + + + +// Pointers to memory manager functions in Context0 +_cmsMutexPluginChunkType _cmsMutexPluginChunk = { defMtxCreate, defMtxDestroy, defMtxLock, defMtxUnlock }; + +// Allocate and init mutex container. +void _cmsAllocMutexPluginChunk(struct _cmsContext_struct* ctx, + const struct _cmsContext_struct* src) +{ + static _cmsMutexPluginChunkType MutexChunk = {defMtxCreate, defMtxDestroy, defMtxLock, defMtxUnlock }; + void* from; + + if (src != NULL) { + from = src ->chunks[MutexPlugin]; + } + else { + from = &MutexChunk; + } + + ctx ->chunks[MutexPlugin] = _cmsSubAllocDup(ctx ->MemPool, from, sizeof(_cmsMutexPluginChunkType)); +} + +// Register new ways to transform +cmsBool _cmsRegisterMutexPlugin(cmsContext ContextID, cmsPluginBase* Data) +{ + cmsPluginMutex* Plugin = (cmsPluginMutex*) Data; + _cmsMutexPluginChunkType* ctx = ( _cmsMutexPluginChunkType*) _cmsContextGetClientChunk(ContextID, MutexPlugin); + + if (Data == NULL) { + + // No lock routines + ctx->CreateMutexPtr = NULL; + ctx->DestroyMutexPtr = NULL; + ctx->LockMutexPtr = NULL; + ctx ->UnlockMutexPtr = NULL; + return TRUE; + } + + // Factory callback is required + if (Plugin ->CreateMutexPtr == NULL || Plugin ->DestroyMutexPtr == NULL || + Plugin ->LockMutexPtr == NULL || Plugin ->UnlockMutexPtr == NULL) return FALSE; + + + ctx->CreateMutexPtr = Plugin->CreateMutexPtr; + ctx->DestroyMutexPtr = Plugin ->DestroyMutexPtr; + ctx ->LockMutexPtr = Plugin ->LockMutexPtr; + ctx ->UnlockMutexPtr = Plugin ->UnlockMutexPtr; + + // All is ok + return TRUE; +} + +// Generic Mutex fns +void* CMSEXPORT _cmsCreateMutex(cmsContext ContextID) +{ + _cmsMutexPluginChunkType* ptr = (_cmsMutexPluginChunkType*) _cmsContextGetClientChunk(ContextID, MutexPlugin); + + if (ptr ->CreateMutexPtr == NULL) return NULL; + + return ptr ->CreateMutexPtr(ContextID); +} + +void CMSEXPORT _cmsDestroyMutex(cmsContext ContextID, void* mtx) +{ + _cmsMutexPluginChunkType* ptr = (_cmsMutexPluginChunkType*) _cmsContextGetClientChunk(ContextID, MutexPlugin); + + if (ptr ->DestroyMutexPtr != NULL) { + + ptr ->DestroyMutexPtr(ContextID, mtx); + } +} + +cmsBool CMSEXPORT _cmsLockMutex(cmsContext ContextID, void* mtx) +{ + _cmsMutexPluginChunkType* ptr = (_cmsMutexPluginChunkType*) _cmsContextGetClientChunk(ContextID, MutexPlugin); + + if (ptr ->LockMutexPtr == NULL) return TRUE; + + return ptr ->LockMutexPtr(ContextID, mtx); +} + +void CMSEXPORT _cmsUnlockMutex(cmsContext ContextID, void* mtx) +{ + _cmsMutexPluginChunkType* ptr = (_cmsMutexPluginChunkType*) _cmsContextGetClientChunk(ContextID, MutexPlugin); + + if (ptr ->UnlockMutexPtr != NULL) { + + ptr ->UnlockMutexPtr(ContextID, mtx); + } +} |