52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
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/*
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* Copyright (c) 2015 Andrew Kelley
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*
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* This file is part of zig, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#ifndef ZIG_UTIL_HPP
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#define ZIG_UTIL_HPP
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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void zig_panic(const char *format, ...)
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__attribute__((cold))
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__attribute__ ((noreturn))
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__attribute__ ((format (printf, 1, 2)));
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template<typename T>
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__attribute__((malloc)) static inline T *allocate_nonzero(size_t count) {
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T *ptr = reinterpret_cast<T*>(malloc(count * sizeof(T)));
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if (!ptr)
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zig_panic("allocation failed");
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return ptr;
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}
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template<typename T>
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__attribute__((malloc)) static inline T *allocate(size_t count) {
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T *ptr = reinterpret_cast<T*>(calloc(count, sizeof(T)));
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if (!ptr)
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zig_panic("allocation failed");
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return ptr;
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}
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template<typename T>
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static inline T *reallocate_nonzero(T * old, size_t new_count) {
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T *ptr = reinterpret_cast<T*>(realloc(old, new_count * sizeof(T)));
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if (!ptr)
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zig_panic("allocation failed");
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return ptr;
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}
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char *zig_alloc_sprintf(int *len, const char *format, ...)
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__attribute__ ((format (printf, 2, 3)));
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template <typename T, long n>
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constexpr long array_length(const T (&)[n]) {
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return n;
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}
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#endif
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