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83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
//===--- LibcShims.h - Access to POSIX for Swift's core stdlib --*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// Using the Darwin (or Glibc) module in the core stdlib would create a
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// circular dependency, so instead we import these declarations as part of
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// SwiftShims.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
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#define SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
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#include "SwiftStdint.h"
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#include "SwiftStddef.h"
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#include "Visibility.h"
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#ifdef __cplusplus
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namespace swift { extern "C" {
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#endif
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// This declaration is not universally correct. We verify its correctness for
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// the current platform in the runtime code.
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#if defined(__linux__) && defined (__arm__)
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typedef int __swift_ssize_t;
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#else
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typedef long int __swift_ssize_t;
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#endif
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// General utilities <stdlib.h>
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// Memory management functions
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SWIFT_RUNTIME_STDLIB_INTERFACE
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void _swift_stdlib_free(void *ptr);
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// Input/output <stdio.h>
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SWIFT_RUNTIME_STDLIB_INTERFACE
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int _swift_stdlib_putchar_unlocked(int c);
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_size_t _swift_stdlib_fwrite_stdout(const void *ptr, __swift_size_t size,
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__swift_size_t nitems);
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// String handling <string.h>
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__attribute__((pure))
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_size_t _swift_stdlib_strlen(const char *s);
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__attribute__((pure))
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SWIFT_RUNTIME_STDLIB_INTERFACE
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int _swift_stdlib_memcmp(const void *s1, const void *s2, __swift_size_t n);
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// <unistd.h>
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_ssize_t _swift_stdlib_read(int fd, void *buf, __swift_size_t nbyte);
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_ssize_t _swift_stdlib_write(int fd, const void *buf,
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__swift_size_t nbyte);
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SWIFT_RUNTIME_STDLIB_INTERFACE
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int _swift_stdlib_close(int fd);
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// Non-standard extensions
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__attribute__((const))
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_size_t _swift_stdlib_malloc_size(const void *ptr);
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_uint32_t _swift_stdlib_arc4random(void);
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SWIFT_RUNTIME_STDLIB_INTERFACE
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__swift_uint32_t _swift_stdlib_arc4random_uniform(__swift_uint32_t upper_bound);
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#ifdef __cplusplus
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}} // extern "C", namespace swift
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#endif
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#endif // SWIFT_STDLIB_SHIMS_LIBCSHIMS_H
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