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81 lines
1.5 KiB
81 lines
1.5 KiB
15 years ago
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/*
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* gmem.h
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*
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* Memory routines with out-of-memory checking.
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*
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* Copyright 1996-2003 Glyph & Cog, LLC
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*/
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#ifndef GMEM_H
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#define GMEM_H
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#include <stdio.h>
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#include <aconf.h>
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#if USE_EXCEPTIONS
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class GMemException {
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public:
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GMemException() {}
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~GMemException() {}
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};
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#define GMEM_EXCEP throw(GMemException)
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#else // USE_EXCEPTIONS
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#define GMEM_EXCEP
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#endif // USE_EXCEPTIONS
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Same as malloc, but prints error message and exits if malloc()
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* returns NULL.
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*/
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extern void *gmalloc(int size) GMEM_EXCEP;
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/*
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* Same as realloc, but prints error message and exits if realloc()
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* returns NULL. If <p> is NULL, calls malloc instead of realloc().
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*/
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extern void *grealloc(void *p, int size) GMEM_EXCEP;
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/*
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* These are similar to gmalloc and grealloc, but take an object count
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* and size. The result is similar to allocating nObjs * objSize
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* bytes, but there is an additional error check that the total size
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* doesn't overflow an int.
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*/
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extern void *gmallocn(int nObjs, int objSize) GMEM_EXCEP;
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extern void *greallocn(void *p, int nObjs, int objSize) GMEM_EXCEP;
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extern void *gmallocn_checkoverflow(int nObjs, int objSize) GMEM_EXCEP;
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/*
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* Same as free, but checks for and ignores NULL pointers.
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*/
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extern void gfree(void *p);
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#ifdef DEBUG_MEM
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/*
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* Report on unfreed memory.
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*/
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extern void gMemReport(FILE *f);
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#else
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#define gMemReport(f)
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#endif
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/*
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* Allocate memory and copy a string into it.
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*/
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extern char *copyString(char *s);
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#ifdef __cplusplus
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}
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#endif
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#endif
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