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74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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* Copyright (c) 2015 Andrew Kelley
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*
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* This file is part of libsoundio, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#ifndef SOUNDIO_UTIL_HPP
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#define SOUNDIO_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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template<typename T>
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__attribute__((malloc)) static inline T *allocate_nonzero(size_t count) {
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return reinterpret_cast<T*>(malloc(count * sizeof(T)));
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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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return reinterpret_cast<T*>(calloc(count, sizeof(T)));
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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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return reinterpret_cast<T*>(realloc(old, new_count * sizeof(T)));
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}
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void soundio_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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char *soundio_alloc_sprintf(int *len, const char *format, ...)
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__attribute__ ((format (printf, 2, 3)));
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static inline char *soundio_str_dupe(const char *str, int str_len) {
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char *out = allocate_nonzero<char>(str_len + 1);
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if (!out)
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return nullptr;
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memcpy(out, str, str_len);
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out[str_len] = 0;
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return out;
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}
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static inline bool soundio_streql(const char *str1, int str1_len, const char *str2, int str2_len) {
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if (str1_len != str2_len)
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return false;
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return memcmp(str1, str2, str1_len) == 0;
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}
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template <typename T, long n>
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static constexpr long array_length(const T (&)[n]) {
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return n;
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}
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template <typename T>
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static inline T max(T a, T b) {
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return (a >= b) ? a : b;
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}
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template <typename T>
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static inline T min(T a, T b) {
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return (a <= b) ? a : b;
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}
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template<typename T>
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static inline T clamp(T min_value, T value, T max_value) {
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return max(min(value, max_value), min_value);
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}
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#endif
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