80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
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/* $FreeBSD$ */
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/*
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xmalloc.h - Simple malloc debugging library API
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This software is released under a BSD-style license.
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See the file LICENSE for details and copyright.
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*/
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#ifndef _XMALLOC_H
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#define _XMALLOC_H 1
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void *xmalloc_impl(size_t size, const char *file, int line, const char *func);
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void *xcalloc_impl(size_t nmemb, size_t size, const char *file, int line,
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const char *func);
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void xfree_impl(void *ptr, const char *file, int line, const char *func);
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void *xrealloc_impl(void *ptr, size_t new_size, const char *file, int line,
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const char *func);
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int xmalloc_dump_leaks(void);
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void xmalloc_configure(int fail_after);
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#ifndef XMALLOC_INTERNAL
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#ifdef MALLOC_DEBUGGING
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/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
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which contains the name of the function currently being defined.
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# define __XMALLOC_FUNCTION __PRETTY_FUNCTION__
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This is broken in G++ before version 2.6.
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C9x has a similar variable called __func__, but prefer the GCC one since
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it demangles C++ function names. */
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# ifdef __GNUC__
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# if __GNUC__ > 2 || (__GNUC__ == 2 \
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&& __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4))
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# define __XMALLOC_FUNCTION __PRETTY_FUNCTION__
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# else
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# define __XMALLOC_FUNCTION ((const char *) 0)
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# endif
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# else
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# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
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# define __XMALLOC_FUNCTION __func__
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# else
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# define __XMALLOC_FUNCTION ((const char *) 0)
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# endif
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# endif
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#define xmalloc(size) xmalloc_impl(size, __FILE__, __LINE__, \
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__XMALLOC_FUNCTION)
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#define xcalloc(nmemb, size) xcalloc_impl(nmemb, size, __FILE__, __LINE__, \
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__XMALLOC_FUNCTION)
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#define xfree(ptr) xfree_impl(ptr, __FILE__, __LINE__, __XMALLOC_FUNCTION)
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#define xrealloc(ptr, new_size) xrealloc_impl(ptr, new_size, __FILE__, \
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__LINE__, __XMALLOC_FUNCTION)
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#undef malloc
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#undef calloc
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#undef free
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#undef realloc
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#define malloc USE_XMALLOC_INSTEAD_OF_MALLOC
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#define calloc USE_XCALLOC_INSTEAD_OF_CALLOC
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#define free USE_XFREE_INSTEAD_OF_FREE
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#define realloc USE_XREALLOC_INSTEAD_OF_REALLOC
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#else /* !MALLOC_DEBUGGING */
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#include <stdlib.h>
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#define xmalloc(size) malloc(size)
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#define xcalloc(nmemb, size) calloc(nmemb, size)
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#define xfree(ptr) free(ptr)
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#define xrealloc(ptr, new_size) realloc(ptr, new_size)
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#endif /* !MALLOC_DEBUGGING */
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#endif /* !XMALLOC_INTERNAL */
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#endif /* _XMALLOC_H */
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/* EOF */
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