103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* $NetBSD: heap.h,v 1.1.1.2 2003/06/01 14:01:33 atatat Exp $ */
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/*
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* Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
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* All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the sendmail distribution.
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*
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* Id: heap.h,v 1.22 2001/09/04 22:41:55 ca Exp
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*/
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/*
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** Sendmail debugging memory allocation package.
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** See libsm/heap.html for documentation.
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*/
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#ifndef SM_HEAP_H
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# define SM_HEAP_H
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# include <sm/io.h>
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# include <stdlib.h>
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# include <sm/debug.h>
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# include <sm/exc.h>
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/* change default to 0 for production? */
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# ifndef SM_HEAP_CHECK
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# define SM_HEAP_CHECK 1
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# endif /* ! SM_HEAP_CHECK */
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# if SM_HEAP_CHECK
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# define sm_malloc_x(sz) sm_malloc_tagged_x(sz, __FILE__, __LINE__, SmHeapGroup)
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# define sm_malloc(size) sm_malloc_tagged(size, __FILE__, __LINE__, SmHeapGroup)
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# define sm_free(ptr) sm_free_tagged(ptr, __FILE__, __LINE__)
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extern void *sm_malloc_tagged __P((size_t, char *, int, int));
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extern void *sm_malloc_tagged_x __P((size_t, char *, int, int));
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extern void sm_free_tagged __P((void *, char *, int));
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extern void *sm_realloc_x __P((void *, size_t));
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extern bool sm_heap_register __P((void *, size_t, char *, int, int));
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extern void sm_heap_checkptr_tagged __P((void *, char *, int));
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extern void sm_heap_report __P((SM_FILE_T *, int));
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# else /* SM_HEAP_CHECK */
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# define sm_malloc_tagged(size, file, line, grp) sm_malloc(size)
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# define sm_malloc_tagged_x(size, file, line, grp) sm_malloc_x(size)
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# define sm_free_tagged(ptr, file, line) sm_free(ptr)
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# define sm_heap_register(ptr, size, file, line, grp) (true)
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# define sm_heap_checkptr_tagged(ptr, tag, num) ((void)0)
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# define sm_heap_report(file, verbose) ((void)0)
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extern void *sm_malloc __P((size_t));
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extern void *sm_malloc_x __P((size_t));
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extern void *sm_realloc_x __P((void *, size_t));
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extern void sm_free __P((void *));
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# endif /* SM_HEAP_CHECK */
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extern void *sm_realloc __P((void *, size_t));
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# define sm_heap_checkptr(ptr) sm_heap_checkptr_tagged(ptr, __FILE__, __LINE__)
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#if 0
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/*
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** sm_f[mc]alloc are plug in replacements for malloc and calloc
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** which can be used in a context requiring a function pointer,
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** and which are compatible with sm_free. Warning: sm_heap_report
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** cannot report where storage leaked by sm_f[mc]alloc was allocated.
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*/
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/* XXX unused right now */
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extern void *
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sm_fmalloc __P((
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size_t));
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extern void *
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sm_fcalloc __P((
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size_t,
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size_t));
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#endif /* 0 */
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/*
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** Allocate 'permanent' storage that can be freed but may still be
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** allocated when the process exits. sm_heap_report will not complain
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** about a storage leak originating from a call to sm_pmalloc.
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*/
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# define sm_pmalloc(size) sm_malloc_tagged(size, __FILE__, __LINE__, 0)
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# define sm_pmalloc_x(size) sm_malloc_tagged_x(size, __FILE__, __LINE__, 0)
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# define sm_heap_group() SmHeapGroup
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# define sm_heap_setgroup(g) (SmHeapGroup = (g))
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# define sm_heap_newgroup() (SmHeapGroup = ++SmHeapMaxGroup)
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extern int SmHeapGroup;
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extern int SmHeapMaxGroup;
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extern SM_DEBUG_T SmHeapTrace;
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extern SM_DEBUG_T SmHeapCheck;
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extern SM_EXC_T SmHeapOutOfMemory;
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#endif /* ! SM_HEAP_H */
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