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/* -*- c -*- */
/* -------------------------------------------------------------------- *
** copyright (c) 1995 thomas harrer. all rights reserved.
** -------------------------------------------------------------------- *
*H $Id: check.h,v 1.4 1995/06/13 11:57:58 harrer Exp $
** -------------------------------------------------------------------- *
**
** check.h
**
** routines for debugging applications using
** malloc and friends.
**
** interface:
** #include "check.h"
**
** by thomas harrer. e-mail thomas.harrer@rus.uni-stuttgart.de
** -------------------------------------------------------------------- */
#ifndef _CHECK_H_
#define _CHECK_H_ 1
/* -------------------------------------------------------------------- *
*g include files
** -------------------------------------------------------------------- */
#include <string.h>
#include <stdlib.h>
/* -------------------------------------------------------------------- *
*g malloc debug macros
** -------------------------------------------------------------------- */
#ifdef MALLOC_DEBUG
#define MD_MALLOC 1
#define SD_STRING 1
#endif /* MALLOC_DEBUG */
#ifdef MD_MALLOC
#include "mallocdebug.h"
#define _md_size(_ptr,_val) ((_val) == 0 ? md_get_size ((_ptr)) : (_val))
#else
#define _md_size(_ptr,_val) (_val)
#endif /* MD_MALLOC */
#ifdef MALLOC_DEBUG
#define check(_fun,__target,__size) \
{ \
(void) fprintf (stderr, "%s\t%s [%x] ", _fun, #__target, \
(int) __target); \
(void) fprintf (stderr, "(%d)", (int) _md_size (__target, __size)); \
(void) fprintf (stderr, " [%s line %d]\n", __FILE__, __LINE__); \
(void) fflush (stderr); \
}
#undef NO_CHECK_WARNING
#else
#define check(_fun,__target,__size) /* empty */
#endif /* MALLOC_DEBUG */
#ifdef NO_CHECK_WARNING
#define check_warning(_fun,_ptr) /* empty */
#else
#define check_warning(_fun,__ptr) \
{ \
(void) fprintf (stderr, "%s\twarning: called with null arg %s", \
_fun, #__ptr); \
(void) fprintf (stderr, " [file %s line %d]\n", \
__FILE__, __LINE__); \
(void) fflush (stderr); \
}
#endif /* NO_CHECK_WARNING */
#define check_fatal(_fun,__ptr) \
{ \
(void) fprintf (stderr, "Error: %s failed for %s.\n", \
_fun, #__ptr); \
exit (2); \
}
#define checked_malloc(_target,_count,_type) \
{ \
size_t _size = sizeof ( _type ) * (_count); \
_target = (_type *) malloc (_size); \
if (!_target) { \
check_fatal ("malloc", _target); \
} \
check ("malloc", _target, _size); \
}
#define checked_calloc(_target,_count,_type) \
{ \
size_t _size = sizeof ( _type ) * (_count); \
_target = (_type *) malloc (_size); \
if (!_target) { \
check_fatal ("calloc", _target); \
} \
(void) memset (_target, 0, _size); \
check ("calloc", _target, _size); \
}
#define checked_realloc(_target,_newcount,_type) \
{ \
size_t _size = sizeof (_type) * ( _newcount ); \
_type * _tmp_ptr; \
check ("realloc", _target, 0); \
_tmp_ptr = (_type *) realloc (_target, _size); \
if (!_tmp_ptr) { \
check_fatal ("realloc", _target); \
} \
_target = _tmp_ptr; \
check ("->", _target, _size); \
}
#define checked_strdup(_target,_src) \
{ \
if (_src) { \
size_t _size = strlen (_src) + 1; \
_target = (char*) malloc (_size); \
if (!_target) { \
check_fatal ("strdup", _src); \
} \
strcpy (_target, _src); \
check ("strdup", _target, _size); \
} else { \
check_warning ("strdup", _src); \
} \
}
#define checked_free(_ptr) \
{ \
if (_ptr) { \
check ("free", _ptr, 0); \
free (_ptr); \
_ptr = NULL; \
} else { \
check_warning ("free", _ptr); \
} \
}
/* -------------------------------------------------------------------- *
*g checked macros for string functions
** prefix for them is c_
** -------------------------------------------------------------------- */
#ifdef SD_STRING
#include "stringdebug.h"
#else
#define c_strcmp(_str1,_str2) \
((_str1) && (_str2) ? strcmp (_str1, _str2) : -1)
#define c_strncmp(_str1,_str2,_len) \
((_str1) && (_str2) ? strncmp (_str1, _str2, _len) : -1)
#define c_strlen(_str) ((_str) ? strlen (_str) : 0)
#define c_strcpy(_target,_src) \
((_target) && (_src) ? strcpy (_target, _src) : NULL)
#define c_strncpy(_target,_src,_len) \
((_target) && (_src) ? strncpy (_target, _src, _len) : NULL)
#define c_strcat(_target,_src) \
((_target) && (_src) ? strcat (_target, _src) : NULL)
#define c_strncat(_target,_src,_len) \
((_target) && (_src) ? strncat (_target, _src, _len) : NULL)
#endif /* SD_STRING */
#ifndef NO_MEMMOVE
#define c_memmove memmove
#else
#define c_memmove memcpy
#endif
#endif /* !_CHECK_H_ */
/* -------------------------------------------------------------------- *
*l emacs:
** local variables:
** mode: c
** outline-regexp: "\*[HGPLT]"
** comment-column: 32
** eval: (outline-minor-mode t)
** end:
** -------------------------------------------------------------------- */
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