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/*
* <security/pam_appl.h>
*
* This file (via the use of macros) defines a wrapper for the malloc
* family of calls. It logs where the memory was requested and also
* where it was free()'d and keeps a list of currently requested memory.
*
* It is hoped that it will provide some help in locating memory leaks.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, and the entire permission notice in its entirety,
* including the disclaimer of warranties.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* ALTERNATIVELY, this product may be distributed under the terms of
* the GNU Public License, in which case the provisions of the GPL are
* required INSTEAD OF the above restrictions. (This clause is
* necessary due to a potential bad interaction between the GPL and
* the restrictions contained in a BSD-style copyright.)
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PAM_MALLOC_H
#define PAM_MALLOC_H
#ifdef __cplusplus
extern "C" {
#endif
/* these are the macro definitions for the stdlib.h memory functions */
#define malloc(s) pam_malloc(s,__FILE__,__FUNCTION__,__LINE__)
#define calloc(n,s) pam_calloc(n,s,__FILE__,__FUNCTION__,__LINE__)
#define free(x) pam_free(x,__FILE__,__FUNCTION__,__LINE__)
#define realloc(x,s) pam_realloc(x,s,__FILE__,__FUNCTION__,__LINE__)
#define exit(i) pam_exit(i,__FILE__,__FUNCTION__,__LINE__)
#undef strdup
#define strdup(s) pam_strdup(s,__FILE__,__FUNCTION__,__LINE__)
/* these are the prototypes for the wrapper functions */
#include <sys/types.h>
extern void *pam_malloc(size_t s,const char *,const char *, int);
extern void *pam_calloc(size_t n,size_t s,const char *,const char *, int);
extern void pam_free(void *x,const char *,const char *, int);
extern void *pam_memalign(size_t a,size_t s
,const char *,const char *, int);
extern void *pam_realloc(void *x,size_t s,const char *,const char *, int);
extern void *pam_valloc(size_t s,const char *,const char *, int);
extern void *pam_alloca(size_t s,const char *,const char *, int);
extern void pam_exit(int i,const char *,const char *, int);
extern char *pam_strdup(const char *,const char *,const char *, int);
/* these are the flags used to turn on and off diagnostics */
#define PAM_MALLOC_LEAKED 01
#define PAM_MALLOC_REQUEST 02
#define PAM_MALLOC_FREE 04
#define PAM_MALLOC_EXCH (PAM_MALLOC_FREED|PAM_MALLOC_EXCH)
#define PAM_MALLOC_RESIZE 010
#define PAM_MALLOC_FAIL 020
#define PAM_MALLOC_NULL 040
#define PAM_MALLOC_VERIFY 0100
#define PAM_MALLOC_FUNC 0200
#define PAM_MALLOC_PAUSE 0400
#define PAM_MALLOC_STOP 01000
#define PAM_MALLOC_ALL 0777
#define PAM_MALLOC_DEFAULT \
(PAM_MALLOC_LEAKED|PAM_MALLOC_PAUSE|PAM_MALLOC_FAIL)
#include <stdio.h>
extern FILE *pam_malloc_outfile; /* defaults to stdout */
/* how much output do you want? */
extern int pam_malloc_flags;
extern int pam_malloc_delay_length; /* how long to pause on errors */
#ifdef __cplusplus
}
#endif
#endif /* PAM_MALLOC_H */
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