uSTL_2.3/include/unew.h

44 lines
1.5 KiB
C

// This file is part of the uSTL library, an STL implementation.
//
// Copyright (c) 2005 by Mike Sharov <msharov@users.sourceforge.net>
// This file is free software, distributed under the MIT License.
#pragma once
#include "config.h"
#include <stdlib.h>
/// Just like malloc, but throws on failure.
void* tmalloc (size_t n) __attribute__((malloc));
/// Just like free, but doesn't crash when given a NULL.
inline void nfree (void* p) { if (p) free (p); }
#if WITHOUT_LIBSTDCPP
//
// These are replaceable signatures:
// - normal single new and delete (no arguments, throw @c bad_alloc on error)
// - normal array new and delete (same)
// - @c nothrow single new and delete (take a @c nothrow argument, return
// @c NULL on error)
// - @c nothrow array new and delete (same)
//
// Placement new and delete signatures (take a memory address argument,
// does nothing) may not be replaced by a user's program.
//
inline void* operator new (size_t n) { return (tmalloc (n)); }
inline void* operator new[] (size_t n) { return (tmalloc (n)); }
inline void operator delete (void* p) { nfree (p); }
inline void operator delete[] (void* p) { nfree (p); }
// Default placement versions of operator new.
inline void* operator new (size_t, void* p) { return (p); }
inline void* operator new[] (size_t, void* p) { return (p); }
// Default placement versions of operator delete.
inline void operator delete (void*, void*) { }
inline void operator delete[](void*, void*) { }
#else
#include <new>
#endif // WITHOUT_LIBSTDCPP