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08cd75ac4b
After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#include <LibCore/CFile.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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CFile::CFile(const StringView& filename)
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: m_filename(filename)
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{
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}
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CFile::~CFile()
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{
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if (m_should_close_file_descriptor == ShouldCloseFileDescription::Yes && mode() != NotOpen)
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close();
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}
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bool CFile::open(int fd, CIODevice::OpenMode mode, ShouldCloseFileDescription should_close)
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{
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set_fd(fd);
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set_mode(mode);
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m_should_close_file_descriptor = should_close;
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return true;
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}
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bool CFile::open(CIODevice::OpenMode mode)
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{
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int flags = 0;
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if ((mode & CIODevice::ReadWrite) == CIODevice::ReadWrite) {
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flags |= O_RDWR | O_CREAT;
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} else if (mode & CIODevice::ReadOnly) {
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flags |= O_RDONLY;
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} else if (mode & CIODevice::WriteOnly) {
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flags |= O_WRONLY | O_CREAT;
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}
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if (mode & CIODevice::Append)
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flags |= O_APPEND;
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if (mode & CIODevice::Truncate)
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flags |= O_TRUNC;
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if (mode & CIODevice::MustBeNew)
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flags |= O_EXCL;
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int fd = ::open(m_filename.characters(), flags, 0666);
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if (fd < 0) {
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set_error(errno);
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return false;
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}
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set_fd(fd);
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set_mode(mode);
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return true;
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}
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