/* * gmem.h * * Memory routines with out-of-memory checking. * * Copyright 1996-2003 Glyph & Cog, LLC */ #ifndef GMEM_H #define GMEM_H #include #include #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 #ifdef __cplusplus extern "C" { #endif /* * 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

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); #ifdef __cplusplus } #endif #endif