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/*
* gmem.h
*
* Memory routines with out-of-memory checking.
*
* Copyright 1996-2003 Glyph & Cog, LLC
*/
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2005 Takashi Iwai <tiwai@suse.de>
// Copyright (C) 2007-2009 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2008 Jonathan Kew <jonathan_kew@sil.org>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#ifndef GMEM_H
#define GMEM_H
#include <stdio.h>
#include <poppler/poppler-config.h>
#if USE_EXCEPTIONS
class GMemException {
public:
GMemException() {}
~GMemException() {}
};
#define GMEM_EXCEP throw(GMemException)
#else // USE_EXCEPTIONS
#define GMEM_EXCEP
#endif // USE_EXCEPTIONS
#ifdef __cplusplus
extern "C" {
#endif
/*
* Same as malloc, but prints error message and exits if malloc()
* returns NULL.
*/
extern void *gmalloc(size_t size) GMEM_EXCEP;
extern void *gmalloc_checkoverflow(size_t size) GMEM_EXCEP;
/*
* Same as realloc, but prints error message and exits if realloc()
* returns NULL. If <p> is NULL, calls malloc instead of realloc().
*/
extern void *grealloc(void *p, size_t size) GMEM_EXCEP;
extern void *grealloc_checkoverflow(size_t size) GMEM_EXCEP;
/*
* These are similar to gmalloc and grealloc, but take an object count
* and size. The result is similar to allocating nObjs * objSize
* bytes, but there is an additional error check that the total size
* doesn't overflow an int.
* The gmallocn_checkoverflow variant returns NULL instead of exiting
* the application if a overflow is detected
*/
extern void *gmallocn(int nObjs, int objSize) GMEM_EXCEP;
extern void *gmallocn_checkoverflow(int nObjs, int objSize) GMEM_EXCEP;
extern void *greallocn(void *p, int nObjs, int objSize) GMEM_EXCEP;
extern void *greallocn_checkoverflow(void *p, int nObjs, int objSize) GMEM_EXCEP;
/*
* Same as free, but checks for and ignores NULL pointers.
*/
extern void gfree(void *p);
#ifdef DEBUG_MEM
/*
* Report on unfreed memory.
*/
extern void gMemReport(FILE *f);
#else
#define gMemReport(f)
#endif
/*
* Allocate memory and copy a string into it.
*/
extern char *copyString(char *s);
/*
* Allocate memory and copy a limited-length string to it.
*/
extern char *gstrndup(const char *s, size_t n);
#ifdef __cplusplus
}
#endif
#endif
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