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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/common/malloc.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/common/malloc.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c b/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c deleted file mode 100644 index 83ef221..0000000 --- a/board/MAI/bios_emulator/scitech/src/pm/common/malloc.c +++ /dev/null @@ -1,205 +0,0 @@ -/**************************************************************************** -* -* SciTech OS Portability Manager Library -* -* ======================================================================== -* -* The contents of this file are subject to the SciTech MGL Public -* License Version 1.0 (the "License"); you may not use this file -* except in compliance with the License. You may obtain a copy of -* the License at http://www.scitechsoft.com/mgl-license.txt -* -* Software distributed under the License is distributed on an -* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or -* implied. See the License for the specific language governing -* rights and limitations under the License. -* -* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. -* -* The Initial Developer of the Original Code is SciTech Software, Inc. -* All Rights Reserved. -* -* ======================================================================== -* -* Language: ANSI C -* Environment: Any -* -* Description: Module for implementing the PM library overrideable memory -* allocator functions. -* -****************************************************************************/ - -#include "pmapi.h" - -/*--------------------------- Global variables ----------------------------*/ - -void * (*__PM_malloc)(size_t size) = malloc; -void * (*__PM_calloc)(size_t nelem,size_t size) = calloc; -void * (*__PM_realloc)(void *ptr,size_t size) = realloc; -void (*__PM_free)(void *p) = free; - -/*----------------------------- Implementation ----------------------------*/ - -/**************************************************************************** -DESCRIPTION: -Use local memory allocation routines. - -HEADER: -pmapi.h - -PARAMETERS: -malloc - Pointer to new malloc routine to use -calloc - Pointer to new caalloc routine to use -realloc - Pointer to new realloc routine to use -free - Pointer to new free routine to use - -REMARKS: -Tells the PM library to use a set of user specified memory allocation -routines instead of using the normal malloc/calloc/realloc/free standard -C library functions. This is useful if you wish to use a third party -debugging malloc library or perhaps a set of faster memory allocation -functions with the PM library, or any apps that use the PM library (such as -the MGL). Once you have registered your memory allocation routines, all -calls to PM_malloc, PM_calloc, PM_realloc and PM_free will be revectored to -your local memory allocation routines. - -This is also useful if you need to keep track of just how much physical -memory your program has been using. You can use the PM_availableMemory -function to find out how much physical memory is available when the program -starts, and then you can use your own local memory allocation routines to -keep track of how much memory has been used and freed. - -NOTE: This function should be called right at the start of your application, - before you initialise any other components or libraries. - -NOTE: Code compiled into Binary Portable DLL's and Drivers automatically - end up calling these functions via the BPD C runtime library. - -SEE ALSO: -PM_malloc, PM_calloc, PM_realloc, PM_free, PM_availableMemory -****************************************************************************/ -void PMAPI PM_useLocalMalloc( - void * (*malloc)(size_t size), - void * (*calloc)(size_t nelem,size_t size), - void * (*realloc)(void *ptr,size_t size), - void (*free)(void *p)) -{ - __PM_malloc = malloc; - __PM_calloc = calloc; - __PM_realloc = realloc; - __PM_free = free; -} - -/**************************************************************************** -DESCRIPTION: -Allocate a block of memory. - -HEADER: -pmapi.h - -PARAMETERS: -size - Size of block to allocate in bytes - -RETURNS: -Pointer to allocated block, or NULL if out of memory. - -REMARKS: -Allocates a block of memory of length size. If you have changed the memory -allocation routines with the PM_useLocalMalloc function, then calls to this -function will actually make calls to the local memory allocation routines -that you have registered. - -SEE ALSO: -PM_calloc, PM_realloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_malloc( - size_t size) -{ - return __PM_malloc(size); -} - -/**************************************************************************** -DESCRIPTION: -Allocate and clear a large memory block. - -HEADER: -pmapi.h - -PARAMETERS: -nelem - number of contiguous size-byte units to allocate -size - size of unit in bytes - -RETURNS: -Pointer to allocated memory if successful, NULL if out of memory. - -REMARKS: -Allocates a block of memory of length (size * nelem), and clears the -allocated area with zeros (0). If you have changed the memory allocation -routines with the PM_useLocalMalloc function, then calls to this function -will actually make calls to the local memory allocation routines that you -have registered. - -SEE ALSO: -PM_malloc, PM_realloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_calloc( - size_t nelem, - size_t size) -{ - return __PM_calloc(nelem,size); -} - -/**************************************************************************** -DESCRIPTION: -Re-allocate a block of memory - -HEADER: -pmapi.h - -PARAMETERS: -ptr - Pointer to block to resize -size - size of unit in bytes - -RETURNS: -Pointer to allocated memory if successful, NULL if out of memory. - -REMARKS: -This function reallocates a block of memory that has been previously been -allocated to the new of size. The new size may be smaller or larger than -the original block of memory. If you have changed the memory allocation -routines with the PM_useLocalMalloc function, then calls to this function -will actually make calls to the local memory allocation routines that you -have registered. - -SEE ALSO: -PM_malloc, PM_calloc, PM_free, PM_useLocalMalloc -****************************************************************************/ -void * PMAPI PM_realloc( - void *ptr, - size_t size) -{ - return __PM_realloc(ptr,size); -} - -/**************************************************************************** -DESCRIPTION: -Frees a block of memory. - -HEADER: -pmapi.h - -PARAMETERS: -p - Pointer to memory block to free - -REMARKS: -Frees a block of memory previously allocated with either PM_malloc, -PM_calloc or PM_realloc. - -SEE ALSO: -PM_malloc, PM_calloc, PM_realloc, PM_useLocalMalloc -****************************************************************************/ -void PMAPI PM_free( - void *p) -{ - __PM_free(p); -} |