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df5162edca
gcc 15.2.1 20250813 complains "address of automatic variable can escape to `musttail` call" from `-Wmaybe-musttail-local-addr`, and guaranteeing tail-call optimization cross-platform is more trouble than it's worth.
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// SPDX-License-Identifier: MIT
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#ifndef RGBDS_PLATFORM_HPP
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#define RGBDS_PLATFORM_HPP
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// MSVC doesn't have str(n)casecmp, use a suitable replacement
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#ifdef _MSC_VER
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#include <string.h> // IWYU pragma: export
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#define strcasecmp _stricmp
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#define strncasecmp _strnicmp
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#else
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#include <strings.h> // IWYU pragma: export
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#endif
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// MSVC prefixes the names of S_* macros with underscores,
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// and doesn't define any S_IS* macros; define them ourselves
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#ifdef _MSC_VER
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#define S_IFMT _S_IFMT
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#define S_IFDIR _S_IFDIR
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#define S_ISDIR(mode) (((mode) & (S_IFMT)) == S_IFDIR)
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#endif
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// MSVC doesn't use POSIX types or defines for `read`
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#ifdef _MSC_VER
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#include <io.h> // IWYU pragma: export
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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#define ssize_t int
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#define SSIZE_MAX INT_MAX
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#define isatty _isatty
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#else
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#include <fcntl.h> // IWYU pragma: export
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#include <limits.h> // IWYU pragma: export
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#include <unistd.h> // IWYU pragma: export
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#endif
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// MSVC uses a different name for O_RDWR, and needs an additional _O_BINARY flag
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#ifdef _MSC_VER
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#include <fcntl.h> // IWYU pragma: export
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#define O_RDWR _O_RDWR
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#define S_ISREG(field) ((field) & (_S_IFREG))
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#define O_BINARY _O_BINARY
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#define O_TEXT _O_TEXT
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#elif !defined(O_BINARY) // Cross-compilers define O_BINARY
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#define O_BINARY 0 // POSIX says we shouldn't care!
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#define O_TEXT 0 // Assume that it's not defined either
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#endif // _MSC_VER
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// Windows has stdin and stdout open as text by default, which we may not want
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#if defined(_MSC_VER) || defined(__MINGW32__)
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#include <io.h> // IWYU pragma: export
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#define setmode(fd, mode) _setmode(fd, mode)
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#else
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#define setmode(fd, mode) (0)
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#endif
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// MingGW and Cygwin need POSIX functions which are not standard C explicitly enabled,
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#if defined(__MINGW32__) || defined(__CYGWIN__)
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#define _POSIX_C_SOURCE 200809L
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#endif
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#endif // RGBDS_PLATFORM_HPP
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