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aw0a |
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/* |
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* Ascend Memory Allocation Routines |
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* by Tom Epperly |
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* Created: 2/6/90 |
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* Version: $Revision: 1.2 $ |
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* Version control file: $RCSfile: ascMalloc.h,v $ |
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* Date last modified: $Date: 1997/07/18 11:44:50 $ |
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* Last modified by: $Author: mthomas $ |
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* |
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* This file is part of the Ascend Language Interpreter. |
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* |
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* Copyright (C) 1990, 1993, 1994 Thomas Guthrie Epperly |
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* |
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* The Ascend Language Interpreter is free software; you can redistribute |
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* it and/or modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* The Ascend Language Interpreter is distributed in hope that it will be |
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with the program; if not, write to the Free Software Foundation, |
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* Inc., 675 Mass Ave, Cambridge, MA 02139 USA. Check the file named |
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* COPYING. |
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* |
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*/ |
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#ifndef __ASCMALLOC_H_SEEN__ |
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#define __ASCMALLOC_H_SEEN__ |
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extern char *asc_memcpy(char *,char *,unsigned int); |
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/* |
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* char *memcpy(s1, s2, n) |
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* char *s1, *s2; |
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* int n; |
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* memcpy() copies n characters from memory area s2 to s1. It |
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* returns s1. This version of memcpy handles overlapping memory |
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* ranges ok. It could be more efficient internally. As it is, it |
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* moves data a char at a time. |
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*/ |
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extern char *ascreallocPUREF(char *,size_t,size_t); |
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/* |
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* char *ascreallocPUREF(ptr,oldbytes,newbytes) |
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* char *ptr; |
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* size_t oldbytes,newbytes; |
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* Behaves as realloc, except you must tell us what the old size was |
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* and the OS realloc doesn't get used. |
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* For debugging only. |
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*/ |
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extern void ascstatus(CONST char *); |
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/* |
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* void ascstatus(msg) |
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* const char *msg; |
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* If MALLOC_DEBUG is not defined, this does nothing. |
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* Otherwise, it prints the message followed by a newline to the log and |
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* to the screen. It then prints various statistics about virtual memory |
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* usuage to the screen and to the log. |
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*/ |
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extern void ascshutdown(CONST char *); |
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/* |
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* void ascshutdown(CONST char *) |
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* const char *msg; |
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* If MALLOC_DEBUG is not defined, this does nothing. |
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* Otherwise, it does what ascstatus does plus, it lists blocks of memory |
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* that are still allocated. |
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*/ |
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extern unsigned long ascmeminuse(); |
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/* |
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* The memory total reporting function is ascmeminuse(). |
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* The following macros have the listed effects if they are defined at |
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* C compile time. |
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* |
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* MOD_ASCMALLOC patches around a bug in OSF, AIX allocators |
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* MALLOC_DEBUG runs a tracking file of all ascmalloc functions |
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* ALLOCATED_TESTS forces a lot of extra assertions when added with |
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* the MALLOC_DEBUG macro. |
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* |
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* If MALLOC_DEBUG is undefined, we will report 0 memory allocated. |
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*/ |
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/* |
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* all the bcopy/bzero functions have been replaced with their mem |
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* counterparts for ansi compliance |
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*/ |
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/* |
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* The following define is for debugging purposes only. |
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* In some OS, realloc fools purify into thinking there |
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* is a memory leak. |
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* If MOD_REALLOC is defined at compile time for all |
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* software referencing this header, then all occurences |
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* of ascrealloc will use a homegrown realloc (which is |
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* somewhat more expensive than most system supplied ones) |
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* that does not fool purify. |
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* Leaks of memory reported around realloc when MOD_REALLOC |
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* is defined should be real leaks and not OS noise. |
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* MALLOC_DEBUG overrides MOD_REALLOC, but we never use |
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* MALLOC_DEBUG and purify together. |
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* The homegrown realloc needs more information (the oldsize). |
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* ascreallocPURE should not be used on a regular basis. |
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*/ |
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#ifndef MOD_REALLOC |
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#define ascreallocPURE(p,nold,nnew) ascrealloc((p),(nnew)) |
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#else |
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#define ascreallocPURE(p,nold,nnew) ascreallocPUREF((p),(nold),(nnew)) |
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#endif |
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/* |
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* The next line switches between the normal ascmalloc.h and the |
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* alpha and rs6000 ascmalloc declarations. |
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*/ |
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#ifndef MOD_ASCMALLOC |
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/* heres the normal version: */ |
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#ifdef MALLOC_DEBUG |
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#define asccalloc(p,q) \ |
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asccallocf(p,q,__FILE__,__LINE__) |
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extern VOIDPTR asccallocf(unsigned,unsigned,CONST char *,int); |
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#define ascmalloc(p) \ |
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ascmallocf(p,__FILE__,__LINE__) |
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extern VOIDPTR ascmallocf(unsigned,CONST char *,int); |
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#define ascrealloc(p,q) \ |
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ascreallocf(p,q,__FILE__,__LINE__) |
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extern VOIDPTR ascreallocf(VOIDPTR,unsigned,CONST char *,int); |
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#define ascfree(p) \ |
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ascfreef(p,__FILE__,__LINE__) |
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extern void ascfreef(VOIDPTR,CONST char *,int); |
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#define ascbcopy(p,q,r) \ |
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ascbcopyf(p,q,r,__FILE__,__LINE__) |
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extern void ascbcopyf(CONST VOIDPTR,VOIDPTR,int,CONST char *,int); |
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#define ascbzero(p,q) \ |
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ascbzerof(p,q,__FILE__,__LINE__) |
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extern void ascbzerof(VOIDPTR,int,CONST char *,int); |
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#define ascbfill(p,q) memset((char *)p,255,q) |
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extern int AllocatedMemory(CONST VOIDPTR,unsigned); |
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/* |
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* return values |
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* 0 no memory is used |
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* 1 the memory block is wholly contained in an allocated block |
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* 2 the memory block equals a element of the memory list |
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* -1 the memory block is partially contained in an allocated block |
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*/ |
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extern int InMemoryBlock(CONST VOIDPTR,CONST VOIDPTR); |
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/* |
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* extern int InMemoryBlock(ptr1,ptr2) |
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* Return true if ptr2 is in the memory block headed by ptr1, otherwise |
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* return false. |
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*/ |
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#ifdef ALLOCATED_TESTS |
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#define AssertAllocatedMemory(p,q) \ |
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assert(AllocatedMemory((VOIDPTR)(p),(unsigned)(q))==2) |
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#define AssertMemory(p) \ |
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assert(AllocatedMemory((VOIDPTR)(p),0)) |
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#define AssertContainedMemory(p,q) \ |
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assert(AllocatedMemory((VOIDPTR)(p),(unsigned)(q))>0) |
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#define AssertContainedIn(p,q) \ |
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assert(InMemoryBlock((VOIDPTR)(p),(VOIDPTR)(q))) |
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#else /* ALLOCATED_TESTS */ |
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#define AssertAllocatedMemory(p,q) |
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#define AssertMemory(p) |
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#define AssertContainedMemory(p,q) |
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#define AssertContainedIn(p,q) |
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#endif /* ALLOCATED_TESTS */ |
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#else /* MALLOC_DEBUG */ |
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#define ascmalloc(x) malloc(x) |
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#if (defined(sun) && !defined(__SVR4)) |
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#define ascrealloc(x,y) ((x)!=NULL ? realloc(x,y) : malloc(y)) |
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#else |
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#define ascrealloc(x,y) realloc(x,y) |
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#endif |
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#define ascfree(x) free(x) |
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#define asccalloc(p,q) calloc(p,q) |
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#define ascbcopy(p,q,r) memcpy((void *)q,(void *)p,r) |
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#define ascbzero(p,q) memset((char *)p,0,q) |
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#define ascbfill(p,q) memset((char *)p,255,q) |
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#define AllocatedMemory(p,q) (1) |
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#define InMemoryBlock(p,q) (1) |
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#define AssertAllocatedMemory(p,q) |
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#define AssertMemory(p) |
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#define AssertContainedMemory(p,q) |
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#define AssertContainedIn(p,q) |
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#endif /* MALLOC_DEBUG */ |
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#else /* MOD_ASCMALLOC */ |
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/* here starts the modified version of ascmalloc headers */ |
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#ifndef MAX |
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#define MAX(x,y) (((x) > (y)) ? (x) : (y)) |
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#endif |
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#ifdef MALLOC_DEBUG |
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#define asccalloc(p,q) \ |
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asccallocf(MAX(p,1),q,__FILE__,__LINE__) |
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extern VOIDPTR asccallocf(unsigned,unsigned,CONST char *,int); |
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#define ascmalloc(p) \ |
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ascmallocf(MAX(p,1),__FILE__,__LINE__) |
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extern VOIDPTR ascmallocf(unsigned,CONST char *,int); |
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#define ascrealloc(p,q) \ |
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ascreallocf(p,MAX(q,1),__FILE__,__LINE__) |
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extern VOIDPTR ascreallocf(VOIDPTR,unsigned,CONST char *,int); |
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#define ascfree(p) \ |
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ascfreef(p,__FILE__,__LINE__) |
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extern void ascfreef(VOIDPTR,CONST char *,int); |
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#define ascbcopy(p,q,r) \ |
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ascbcopyf(p,q,r,__FILE__,__LINE__) |
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extern void ascbcopyf(CONST VOIDPTR,VOIDPTR,int,CONST char *,int); |
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#define ascbzero(p,q) \ |
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ascbzerof(p,q,__FILE__,__LINE__) |
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extern void ascbzerof(VOIDPTR,int,CONST char *,int); |
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#define ascbfill(p,q) memset((char *)p,255,q) |
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extern int AllocatedMemory(CONST VOIDPTR,unsigned); |
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/* |
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* return values |
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* 0 no memory is used |
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* 1 the memory block is wholly contained in an allocated block |
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* 2 the memory block equals a element of the memory list |
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* -1 the memory block is partially contained in an allocated block |
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*/ |
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extern int InMemoryBlock(CONST VOIDPTR,CONST VOIDPTR); |
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/* |
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* extern int InMemoryBlock(ptr1,ptr2) |
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* Return true if ptr2 is in the memory block headed by ptr1, otherwise |
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* return false. |
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*/ |
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#ifdef ALLOCATED_TESTS |
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#define AssertAllocatedMemory(p,q) \ |
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assert(AllocatedMemory((VOIDPTR)(p),(unsigned)(MAX(q,1)))==2) |
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#define AssertMemory(p) \ |
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assert(AllocatedMemory((VOIDPTR)(p),0)) |
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#define AssertContainedMemory(p,q) \ |
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assert(AllocatedMemory((VOIDPTR)(p),(unsigned)(q))>0) |
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#define AssertContainedIn(p,q) \ |
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assert(InMemoryBlock((VOIDPTR)(p),(VOIDPTR)(q))) |
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#else /* ALLOCATED_TESTS */ |
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#define AssertAllocatedMemory(p,q) |
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#define AssertMemory(p) |
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#define AssertContainedMemory(p,q) |
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#define AssertContainedIn(p,q) |
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#endif /* ALLOCATED_TESTS */ |
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#else /* MALLOC_DEBUG */ |
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#define ascmalloc(x) malloc(MAX(x,1)) |
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#define ascrealloc(x,y) realloc(x,MAX(y,1)) |
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#define ascfree(x) free(x) |
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#define asccalloc(p,q) calloc(MAX(p,1),q) |
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#define ascbcopy(p,q,r) memcpy((void *)q,(void *)p,r) |
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#define ascbzero(p,q) memset((char *)p,0,q) |
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#define ascbfill(p,q) memset((char *)p,255,q) |
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#define AllocatedMemory(p,q) (1) |
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#define InMemoryBlock(p,q) (1) |
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#define AssertAllocatedMemory(p,q) |
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#define AssertMemory(p) |
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#define AssertContainedMemory(p,q) |
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#define AssertContainedIn(p,q) |
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#endif /* MALLOC_DEBUG */ |
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#endif /* MOD_ASCMALLOC */ |
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#endif /* __ASCMALLOC_H_SEEN__ */ |
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