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Kernel: O_APPEND is now supported

This commit is contained in:
Bananymous 2023-07-10 15:11:27 +03:00
parent 4972284dde
commit 773747cf9c
1 changed files with 3 additions and 1 deletions
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4
kernel/kernel/OpenFileDescriptorSet.cpp
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@ -49,7 +49,7 @@ namespace Kernel
BAN::ErrorOr<int> OpenFileDescriptorSet::open(BAN::StringView absolute_path, int flags) BAN::ErrorOr<int> OpenFileDescriptorSet::open(BAN::StringView absolute_path, int flags)
{ {
if (flags & ~(O_RDONLY | O_WRONLY | O_NOFOLLOW | O_SEARCH | O_CLOEXEC)) if (flags & ~(O_RDONLY | O_WRONLY | O_NOFOLLOW | O_SEARCH | O_APPEND | O_CLOEXEC))
return BAN::Error::from_errno(ENOTSUP); return BAN::Error::from_errno(ENOTSUP);
auto file = TRY(VirtualFileSystem::get().file_from_absolute_path(m_credentials, absolute_path, flags)); auto file = TRY(VirtualFileSystem::get().file_from_absolute_path(m_credentials, absolute_path, flags));
@ -190,6 +190,8 @@ namespace Kernel
{ {
TRY(validate_fd(fd)); TRY(validate_fd(fd));
auto& open_file = m_open_files[fd]; auto& open_file = m_open_files[fd];
if (open_file->flags & O_APPEND)
open_file->offset = open_file->inode->size();
size_t nwrite = TRY(open_file->inode->write(open_file->offset, buffer, count)); size_t nwrite = TRY(open_file->inode->write(open_file->offset, buffer, count));
open_file->offset += nwrite; open_file->offset += nwrite;
return nwrite; return nwrite;