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spdylay/tests/malloc_wrapper.h
2012-04-24 22:51:06 +09:00

57 lines
2.2 KiB
C

/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef MALLOC_WRAPPER_H
#define MALLOC_WRAPPER_H
#include <stdlib.h>
/* Global variables to control the behavior of malloc() */
/* If nonzero, malloc failure mode is on */
extern int spdylay_failmalloc;
/* If spdylay_failstart <= spdylay_nmalloc and spdylay_failmalloc is
nonzero, malloc() fails. */
extern int spdylay_failstart;
/* If nonzero, spdylay_nmalloc is incremented if malloc() succeeds. */
extern int spdylay_countmalloc;
/* The number of successful invocation of malloc(). This value is only
incremented if spdylay_nmalloc is nonzero. */
extern int spdylay_nmalloc;
void* malloc(size_t size);
/* Copies spdylay_failmalloc and spdylay_countmalloc to statically
allocated space and sets 0 to them. This will effectively make
malloc() work like normal malloc(). This is useful when you want to
disable malloc() failure mode temporarily. */
void spdylay_failmalloc_pause(void);
/* Restores the values of spdylay_failmalloc and spdylay_countmalloc
with the values saved by the previous
spdylay_failmalloc_pause(). */
void spdylay_failmalloc_unpause(void);
#endif /* MALLOC_WRAPPER_H */