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/*
* gmem.h
*
* Memory routines with out-of-memory checking.
*
* Copyright 1996-2003 Glyph & Cog, LLC
*/
#ifndef GMEM_H
#define GMEM_H
#include <stdio.h>
#include <aconf.h>
#if USE_EXCEPTIONS
class GMemException {
public:
GMemException() {}
~GMemException() {}
};
// This used to be:
// #define GMEM_EXCEP throw(GMemException)
// but the throw decl was never really very useful, and is deprecated
// as of C++11 and illegal as of C++17.
#define GMEM_EXCEP
#else // USE_EXCEPTIONS
#define GMEM_EXCEP
#endif // USE_EXCEPTIONS
/*
* Same as malloc, but prints error message and exits if malloc()
* returns NULL.
*/
#ifdef DEBUG_MEM
extern void *gmalloc(int size, int ignore = 0) GMEM_EXCEP;
#else
extern void *gmalloc(int size) GMEM_EXCEP;
#endif
/*
* 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, int 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.
*/
extern void *gmallocn(int nObjs, int objSize) GMEM_EXCEP;
extern void *greallocn(void *p, int nObjs, int objSize) GMEM_EXCEP;
/*
* Same as gmalloc and gmallocn, but allow a 64-bit size on 64-bit
* systems.
*/
#ifdef DEBUG_MEM
extern void *gmalloc64(size_t size, int ignore = 0) GMEM_EXCEP;
#else
extern void *gmalloc64(size_t size) GMEM_EXCEP;
#endif
extern void *gmallocn64(int nObjs, size_t objSize) GMEM_EXCEP;
/*
* Same as free, but checks for and ignores NULL pointers.
*/
extern void gfree(void *p);
/*
* Report a memory error.
*/
extern void gMemError(const char *msg) GMEM_EXCEP;
#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(const char *s);
#endif
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