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126 lines
3.6 KiB
Plaintext
126 lines
3.6 KiB
Plaintext
module std::io::os @if(env::LIBC);
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import libc;
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<*
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@require mode.len > 0
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@require filename.len > 0
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*>
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fn void*! native_fopen(String filename, String mode) @inline => @pool()
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{
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$if env::WIN32:
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void* file = libc::_wfopen(filename.to_wstring_tcopy(), mode.to_wstring_tcopy())!;
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$else
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void* file = libc::fopen(filename.zstr_tcopy(), mode.zstr_tcopy());
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$endif
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return file ?: file_open_errno()?;
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}
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fn void! native_remove(String filename) => @pool()
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{
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$if env::WIN32:
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CInt result = libc::_wremove(filename.to_wstring_tcopy())!;
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$else
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CInt result = libc::remove(filename.zstr_tcopy());
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$endif
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if (result)
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{
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switch (libc::errno())
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{
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case errno::ENOENT:
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return IoError.FILE_NOT_FOUND?;
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case errno::EACCES:
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default:
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return IoError.FILE_CANNOT_DELETE?;
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}
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}
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}
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<*
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@require mode.len > 0
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@require filename.len > 0
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*>
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fn void*! native_freopen(void* file, String filename, String mode) @inline => @pool()
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{
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$if env::WIN32:
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file = libc::_wfreopen(filename.to_wstring_tcopy(), mode.to_wstring_tcopy(), file)!;
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$else
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file = libc::freopen(filename.zstr_tcopy(), mode.zstr_tcopy(), file);
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$endif
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return file ?: file_open_errno()?;
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}
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fn void! native_fseek(void* file, isz offset, Seek seek_mode) @inline
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{
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if (libc::fseek(file, (SeekIndex)offset, seek_mode.ordinal)) return file_seek_errno()?;
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}
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fn usz! native_ftell(CFile file) @inline
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{
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long index = libc::ftell(file);
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return index >= 0 ? (usz)index : file_seek_errno()?;
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}
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fn usz! native_fwrite(CFile file, char[] buffer) @inline
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{
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return libc::fwrite(buffer.ptr, 1, buffer.len, file);
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}
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fn void! native_fputc(CInt c, CFile stream) @inline
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{
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if (libc::fputc(c, stream) == libc::EOF) return IoError.EOF?;
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}
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fn usz! native_fread(CFile file, char[] buffer) @inline
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{
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return libc::fread(buffer.ptr, 1, buffer.len, file);
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}
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macro anyfault file_open_errno() @local
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{
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switch (libc::errno())
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{
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case errno::EACCES: return IoError.NO_PERMISSION;
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case errno::EDQUOT: return IoError.OUT_OF_SPACE;
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case errno::EBADF: return IoError.FILE_NOT_VALID;
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case errno::EEXIST: return IoError.ALREADY_EXISTS;
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case errno::EINTR: return IoError.INTERRUPTED;
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case errno::EFAULT: return IoError.GENERAL_ERROR;
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case errno::EISDIR: return IoError.FILE_IS_DIR;
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case errno::ELOOP: return IoError.SYMLINK_FAILED;
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case errno::EMFILE: return IoError.TOO_MANY_DESCRIPTORS;
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case errno::ENAMETOOLONG: return IoError.NAME_TOO_LONG;
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case errno::ENFILE: return IoError.OUT_OF_SPACE;
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case errno::ENOTDIR: return IoError.FILE_NOT_DIR;
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case errno::ENOENT: return IoError.FILE_NOT_FOUND;
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case errno::ENOSPC: return IoError.OUT_OF_SPACE;
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case errno::ENXIO: return IoError.FILE_NOT_FOUND;
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case errno::EOVERFLOW: return IoError.OVERFLOW;
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case errno::EROFS: return IoError.READ_ONLY;
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case errno::EOPNOTSUPP: return IoError.UNSUPPORTED_OPERATION;
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case errno::EIO: return IoError.INCOMPLETE_WRITE;
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case errno::EWOULDBLOCK: return IoError.WOULD_BLOCK;
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default: return IoError.UNKNOWN_ERROR;
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}
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}
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macro anyfault file_seek_errno() @local
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{
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switch (libc::errno())
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{
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case errno::ESPIPE: return IoError.FILE_IS_PIPE;
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case errno::EPIPE: return IoError.FILE_IS_PIPE;
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case errno::EOVERFLOW: return IoError.OVERFLOW;
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case errno::ENXIO: return IoError.FILE_NOT_FOUND;
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case errno::ENOSPC: return IoError.OUT_OF_SPACE;
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case errno::EIO: return IoError.INCOMPLETE_WRITE;
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case errno::EINVAL: return IoError.INVALID_POSITION;
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case errno::EINTR: return IoError.INTERRUPTED;
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case errno::EFBIG: return IoError.OUT_OF_SPACE;
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case errno::EBADF: return IoError.FILE_NOT_VALID;
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case errno::EAGAIN: return IoError.WOULD_BLOCK;
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default: return IoError.UNKNOWN_ERROR;
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}
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}
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