diff options
Diffstat (limited to 'FreeRTOS-Plus/Test/CMock/src/cmock.c')
| -rw-r--r-- | FreeRTOS-Plus/Test/CMock/src/cmock.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/CMock/src/cmock.c b/FreeRTOS-Plus/Test/CMock/src/cmock.c new file mode 100644 index 000000000..88f2c2b25 --- /dev/null +++ b/FreeRTOS-Plus/Test/CMock/src/cmock.c @@ -0,0 +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 +} + |