vendor/cmock/src/cmock.c in ceedling-0.29.1 vs vendor/cmock/src/cmock.c in ceedling-0.30.0

- old
+ new

@@ -1,216 +1,216 @@ -/* ========================================== - CMock Project - Automatic Mock Generation for C - Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams - [Released under MIT License. Please refer to license.txt for details] -========================================== */ - -#include "cmock.h" - -//public constants to be used by mocks -const char* CMockStringOutOfMemory = "CMock has run out of memory. Please allocate more."; -const char* CMockStringCalledMore = "Called more times than expected."; -const char* CMockStringCalledLess = "Called fewer times than expected."; -const char* CMockStringCalledEarly = "Called earlier than expected."; -const char* CMockStringCalledLate = "Called later than expected."; -const char* CMockStringCallOrder = "Called out of order."; -const char* CMockStringIgnPreExp = "IgnoreArg called before Expect."; -const char* CMockStringPtrPreExp = "ReturnThruPtr called before Expect."; -const char* CMockStringPtrIsNULL = "Pointer is NULL."; -const char* CMockStringExpNULL = "Expected NULL."; -const char* CMockStringMismatch = "Function called with unexpected argument value."; - -//private variables -#ifdef CMOCK_MEM_DYNAMIC -static unsigned char* CMock_Guts_Buffer = NULL; -static CMOCK_MEM_INDEX_TYPE CMock_Guts_BufferSize = CMOCK_MEM_ALIGN_SIZE; -static CMOCK_MEM_INDEX_TYPE CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; -#else -static unsigned char CMock_Guts_Buffer[CMOCK_MEM_SIZE + CMOCK_MEM_ALIGN_SIZE]; -static CMOCK_MEM_INDEX_TYPE CMock_Guts_BufferSize = CMOCK_MEM_SIZE + CMOCK_MEM_ALIGN_SIZE; -static CMOCK_MEM_INDEX_TYPE CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; -#endif - -//------------------------------------------------------- -// CMock_Guts_MemNew -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemNew(CMOCK_MEM_INDEX_TYPE size) -{ - CMOCK_MEM_INDEX_TYPE index; - - //verify arguments valid (we must be allocating space for at least 1 byte, and the existing chain must be in memory somewhere) - if (size < 1) - return CMOCK_GUTS_NONE; - - //verify we have enough room - size = size + CMOCK_MEM_INDEX_SIZE; - if (size & CMOCK_MEM_ALIGN_MASK) - size = (size + CMOCK_MEM_ALIGN_MASK) & ~CMOCK_MEM_ALIGN_MASK; - if ((CMock_Guts_BufferSize - CMock_Guts_FreePtr) < size) - { -#ifndef CMOCK_MEM_DYNAMIC - return CMOCK_GUTS_NONE; // nothing we can do; our static buffer is out of memory -#else - // our dynamic buffer does not have enough room; request more via realloc() - CMOCK_MEM_INDEX_TYPE new_buffersize = CMock_Guts_BufferSize + CMOCK_MEM_SIZE + size; - unsigned char* new_buffer = realloc(CMock_Guts_Buffer, (size_t)new_buffersize); - if (new_buffer == NULL) - return CMOCK_GUTS_NONE; // realloc() failed; out of memory - CMock_Guts_Buffer = new_buffer; - CMock_Guts_BufferSize = new_buffersize; -#endif - } - - //determine where we're putting this new block, and init its pointer to be the end of the line - index = CMock_Guts_FreePtr + CMOCK_MEM_INDEX_SIZE; - *(CMOCK_MEM_INDEX_TYPE*)(&CMock_Guts_Buffer[CMock_Guts_FreePtr]) = CMOCK_GUTS_NONE; - CMock_Guts_FreePtr += size; - - return index; -} - -//------------------------------------------------------- -// CMock_Guts_MemChain -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemChain(CMOCK_MEM_INDEX_TYPE root_index, CMOCK_MEM_INDEX_TYPE obj_index) -{ - CMOCK_MEM_INDEX_TYPE index; - void* root; - void* obj; - void* next; - - if (root_index == CMOCK_GUTS_NONE) - { - //if there is no root currently, we return this object as the root of the chain - return obj_index; - } - else - { - //reject illegal nodes - if ((root_index < CMOCK_MEM_ALIGN_SIZE) || (root_index >= CMock_Guts_FreePtr)) - { - return CMOCK_GUTS_NONE; - } - if ((obj_index < CMOCK_MEM_ALIGN_SIZE) || (obj_index >= CMock_Guts_FreePtr)) - { - return CMOCK_GUTS_NONE; - } - - root = (void*)(&CMock_Guts_Buffer[root_index]); - obj = (void*)(&CMock_Guts_Buffer[obj_index]); - - //find the end of the existing chain and add us - next = root; - do { - index = *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)next - CMOCK_MEM_INDEX_SIZE); - if (index >= CMock_Guts_FreePtr) - return CMOCK_GUTS_NONE; - if (index > 0) - next = (void*)(&CMock_Guts_Buffer[index]); - } while (index > 0); - *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)next - CMOCK_MEM_INDEX_SIZE) = (CMOCK_MEM_INDEX_TYPE)((CMOCK_MEM_PTR_AS_INT)obj - (CMOCK_MEM_PTR_AS_INT)CMock_Guts_Buffer); - return root_index; - } -} - -//------------------------------------------------------- -// CMock_Guts_MemNext -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemNext(CMOCK_MEM_INDEX_TYPE previous_item_index) -{ - CMOCK_MEM_INDEX_TYPE index; - void* previous_item; - - //There is nothing "next" if the pointer isn't from our buffer - if ((previous_item_index < CMOCK_MEM_ALIGN_SIZE) || (previous_item_index >= CMock_Guts_FreePtr)) - return CMOCK_GUTS_NONE; - previous_item = (void*)(&CMock_Guts_Buffer[previous_item_index]); - - //if the pointer is good, then use it to look up the next index - //(we know the first element always goes in zero, so NEXT must always be > 1) - index = *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)previous_item - CMOCK_MEM_INDEX_SIZE); - if ((index > 1) && (index < CMock_Guts_FreePtr)) - return index; - else - return CMOCK_GUTS_NONE; -} - -//------------------------------------------------------- -// CMock_Guts_MemEndOfChain -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemEndOfChain(CMOCK_MEM_INDEX_TYPE root_index) -{ - CMOCK_MEM_INDEX_TYPE index = root_index; - CMOCK_MEM_INDEX_TYPE next_index; - - for (next_index = root_index; - next_index != CMOCK_GUTS_NONE; - next_index = CMock_Guts_MemNext(index)) - { - index = next_index; - } - - return index; -} - -//------------------------------------------------------- -// CMock_GetAddressFor -//------------------------------------------------------- -void* CMock_Guts_GetAddressFor(CMOCK_MEM_INDEX_TYPE index) -{ - if ((index >= CMOCK_MEM_ALIGN_SIZE) && (index < CMock_Guts_FreePtr)) - { - return (void*)(&CMock_Guts_Buffer[index]); - } - else - { - return NULL; - } -} - -//------------------------------------------------------- -// CMock_Guts_MemBytesCapacity -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesCapacity(void) -{ - return (sizeof(CMock_Guts_Buffer) - CMOCK_MEM_ALIGN_SIZE); -} - -//------------------------------------------------------- -// CMock_Guts_MemBytesFree -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesFree(void) -{ - return CMock_Guts_BufferSize - CMock_Guts_FreePtr; -} - -//------------------------------------------------------- -// CMock_Guts_MemBytesUsed -//------------------------------------------------------- -CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesUsed(void) -{ - return CMock_Guts_FreePtr - CMOCK_MEM_ALIGN_SIZE; -} - -//------------------------------------------------------- -// CMock_Guts_MemFreeAll -//------------------------------------------------------- -void CMock_Guts_MemFreeAll(void) -{ - CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; //skip the very beginning -} - -//------------------------------------------------------- -// CMock_Guts_MemFreeFinal -//------------------------------------------------------- -void CMock_Guts_MemFreeFinal(void) -{ - CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; -#ifdef CMOCK_MEM_DYNAMIC - if (CMock_Guts_Buffer) - { - free(CMock_Guts_Buffer); - CMock_Guts_Buffer = NULL; - } -#endif -} - +/* ========================================== + CMock Project - Automatic Mock Generation for C + Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams + [Released under MIT License. Please refer to license.txt for details] +========================================== */ + +#include "cmock.h" + +/* public constants to be used by mocks */ +const char* CMockStringOutOfMemory = "CMock has run out of memory. Please allocate more."; +const char* CMockStringCalledMore = "Called more times than expected."; +const char* CMockStringCalledLess = "Called fewer times than expected."; +const char* CMockStringCalledEarly = "Called earlier than expected."; +const char* CMockStringCalledLate = "Called later than expected."; +const char* CMockStringCallOrder = "Called out of order."; +const char* CMockStringIgnPreExp = "IgnoreArg called before Expect."; +const char* CMockStringPtrPreExp = "ReturnThruPtr called before Expect."; +const char* CMockStringPtrIsNULL = "Pointer is NULL."; +const char* CMockStringExpNULL = "Expected NULL."; +const char* CMockStringMismatch = "Function called with unexpected argument value."; + +/* private variables */ +#ifdef CMOCK_MEM_DYNAMIC +static unsigned char* CMock_Guts_Buffer = NULL; +static CMOCK_MEM_INDEX_TYPE CMock_Guts_BufferSize = CMOCK_MEM_ALIGN_SIZE; +static CMOCK_MEM_INDEX_TYPE CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; +#else +static unsigned char CMock_Guts_Buffer[CMOCK_MEM_SIZE + CMOCK_MEM_ALIGN_SIZE]; +static CMOCK_MEM_INDEX_TYPE CMock_Guts_BufferSize = CMOCK_MEM_SIZE + CMOCK_MEM_ALIGN_SIZE; +static CMOCK_MEM_INDEX_TYPE CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; +#endif + +/*------------------------------------------------------- + * CMock_Guts_MemNew + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemNew(CMOCK_MEM_INDEX_TYPE size) +{ + CMOCK_MEM_INDEX_TYPE index; + + /* verify arguments valid (we must be allocating space for at least 1 byte, and the existing chain must be in memory somewhere) */ + if (size < 1) + return CMOCK_GUTS_NONE; + + /* verify we have enough room */ + size = size + CMOCK_MEM_INDEX_SIZE; + if (size & CMOCK_MEM_ALIGN_MASK) + size = (size + CMOCK_MEM_ALIGN_MASK) & ~CMOCK_MEM_ALIGN_MASK; + if ((CMock_Guts_BufferSize - CMock_Guts_FreePtr) < size) + { +#ifndef CMOCK_MEM_DYNAMIC + return CMOCK_GUTS_NONE; /* nothing we can do; our static buffer is out of memory */ +#else + /* our dynamic buffer does not have enough room; request more via realloc() */ + CMOCK_MEM_INDEX_TYPE new_buffersize = CMock_Guts_BufferSize + CMOCK_MEM_SIZE + size; + unsigned char* new_buffer = realloc(CMock_Guts_Buffer, (size_t)new_buffersize); + if (new_buffer == NULL) + return CMOCK_GUTS_NONE; /* realloc() failed; out of memory */ + CMock_Guts_Buffer = new_buffer; + CMock_Guts_BufferSize = new_buffersize; +#endif + } + + /* determine where we're putting this new block, and init its pointer to be the end of the line */ + index = CMock_Guts_FreePtr + CMOCK_MEM_INDEX_SIZE; + *(CMOCK_MEM_INDEX_TYPE*)(&CMock_Guts_Buffer[CMock_Guts_FreePtr]) = CMOCK_GUTS_NONE; + CMock_Guts_FreePtr += size; + + return index; +} + +/*------------------------------------------------------- + * CMock_Guts_MemChain + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemChain(CMOCK_MEM_INDEX_TYPE root_index, CMOCK_MEM_INDEX_TYPE obj_index) +{ + CMOCK_MEM_INDEX_TYPE index; + void* root; + void* obj; + void* next; + + if (root_index == CMOCK_GUTS_NONE) + { + /* if there is no root currently, we return this object as the root of the chain */ + return obj_index; + } + else + { + /* reject illegal nodes */ + if ((root_index < CMOCK_MEM_ALIGN_SIZE) || (root_index >= CMock_Guts_FreePtr)) + { + return CMOCK_GUTS_NONE; + } + if ((obj_index < CMOCK_MEM_ALIGN_SIZE) || (obj_index >= CMock_Guts_FreePtr)) + { + return CMOCK_GUTS_NONE; + } + + root = (void*)(&CMock_Guts_Buffer[root_index]); + obj = (void*)(&CMock_Guts_Buffer[obj_index]); + + /* find the end of the existing chain and add us */ + next = root; + do { + index = *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)next - CMOCK_MEM_INDEX_SIZE); + if (index >= CMock_Guts_FreePtr) + return CMOCK_GUTS_NONE; + if (index > 0) + next = (void*)(&CMock_Guts_Buffer[index]); + } while (index > 0); + *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)next - CMOCK_MEM_INDEX_SIZE) = (CMOCK_MEM_INDEX_TYPE)((CMOCK_MEM_PTR_AS_INT)obj - (CMOCK_MEM_PTR_AS_INT)CMock_Guts_Buffer); + return root_index; + } +} + +/*------------------------------------------------------- + * CMock_Guts_MemNext + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemNext(CMOCK_MEM_INDEX_TYPE previous_item_index) +{ + CMOCK_MEM_INDEX_TYPE index; + void* previous_item; + + /* There is nothing "next" if the pointer isn't from our buffer */ + if ((previous_item_index < CMOCK_MEM_ALIGN_SIZE) || (previous_item_index >= CMock_Guts_FreePtr)) + return CMOCK_GUTS_NONE; + previous_item = (void*)(&CMock_Guts_Buffer[previous_item_index]); + + /* if the pointer is good, then use it to look up the next index + * (we know the first element always goes in zero, so NEXT must always be > 1) */ + index = *(CMOCK_MEM_INDEX_TYPE*)((CMOCK_MEM_PTR_AS_INT)previous_item - CMOCK_MEM_INDEX_SIZE); + if ((index > 1) && (index < CMock_Guts_FreePtr)) + return index; + else + return CMOCK_GUTS_NONE; +} + +/*------------------------------------------------------- + * CMock_Guts_MemEndOfChain + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemEndOfChain(CMOCK_MEM_INDEX_TYPE root_index) +{ + CMOCK_MEM_INDEX_TYPE index = root_index; + CMOCK_MEM_INDEX_TYPE next_index; + + for (next_index = root_index; + next_index != CMOCK_GUTS_NONE; + next_index = CMock_Guts_MemNext(index)) + { + index = next_index; + } + + return index; +} + +/*------------------------------------------------------- + * CMock_GetAddressFor + *-------------------------------------------------------*/ +void* CMock_Guts_GetAddressFor(CMOCK_MEM_INDEX_TYPE index) +{ + if ((index >= CMOCK_MEM_ALIGN_SIZE) && (index < CMock_Guts_FreePtr)) + { + return (void*)(&CMock_Guts_Buffer[index]); + } + else + { + return NULL; + } +} + +/*------------------------------------------------------- + * CMock_Guts_MemBytesCapacity + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesCapacity(void) +{ + return (sizeof(CMock_Guts_Buffer) - CMOCK_MEM_ALIGN_SIZE); +} + +/*------------------------------------------------------- + * CMock_Guts_MemBytesFree + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesFree(void) +{ + return CMock_Guts_BufferSize - CMock_Guts_FreePtr; +} + +/*------------------------------------------------------- + * CMock_Guts_MemBytesUsed + *-------------------------------------------------------*/ +CMOCK_MEM_INDEX_TYPE CMock_Guts_MemBytesUsed(void) +{ + return CMock_Guts_FreePtr - CMOCK_MEM_ALIGN_SIZE; +} + +/*------------------------------------------------------- + * CMock_Guts_MemFreeAll + *-------------------------------------------------------*/ +void CMock_Guts_MemFreeAll(void) +{ + CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; /* skip the very beginning */ +} + +/*------------------------------------------------------- + * CMock_Guts_MemFreeFinal + *-------------------------------------------------------*/ +void CMock_Guts_MemFreeFinal(void) +{ + CMock_Guts_FreePtr = CMOCK_MEM_ALIGN_SIZE; +#ifdef CMOCK_MEM_DYNAMIC + if (CMock_Guts_Buffer) + { + free(CMock_Guts_Buffer); + CMock_Guts_Buffer = NULL; + } +#endif +} +