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Added stat(2) and fstat(2) in the kernel.

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It's a bit hacky, but it works.

lstat(2) currently redirects to stat(2).
This commit is contained in:
Jonas 'Sortie' Termansen 2012-03-06 13:10:59 +01:00
parent fa4bd9e7a8
commit 6bcb3d7384
2 changed files with 30 additions and 6 deletions
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2
libmaxsi/include/libmaxsi/types.h
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@ -44,6 +44,8 @@
@include(nlink_t.h)
@include(blksize_t.h)
@include(blkcnt_t.h)
@include(dev_t.h)
@include(time_t.h)
@include(va_list.h)

34
sortix/filesystem.cpp
View file

@ -31,6 +31,7 @@
#include "filesystem.h"
#include "directory.h"
#include "mount.h"
#include <sortix/stat.h>
#include <sortix/fcntl.h>
#include <sortix/unistd.h>
@ -137,18 +138,39 @@ namespace Sortix
return -1;
}
void HackStat(Device* dev, struct stat* st)
{
Memory::Set(st, 0, sizeof(*st));
st->st_mode = 0777;
if ( dev->IsType(Device::BUFFER) )
{
st->st_mode |= S_IFREG;
DevBuffer* buffer = (DevBuffer*) dev;
st->st_size = buffer->Size();
st->st_blksize = 1;
st->st_blocks = st->st_size;
}
if ( dev->IsType(Device::DIRECTORY) ) { st->st_mode |= S_IFDIR; }
st->st_nlink = 1;
}
int SysStat(const char* pathname, struct stat* st)
{
// TODO: Add the proper filesystem support!
Error::Set(ENOSYS);
return -1;
Device* dev = Open(pathname, O_RDONLY, 0);
if ( !dev ) { return -1; }
HackStat(dev, st);
dev->Unref();
return 0;
}
int SysFStat(int fd, struct stat* st)
{
// TODO: Add the proper filesystem support!
Error::Set(ENOSYS);
return -1;
Process* process = CurrentProcess();
DescriptorTable* descs = &(process->descriptors);
Device* dev = descs->Get(fd);
if ( !dev ) { Error::Set(EBADF); return -1; }
HackStat(dev, st);
return 0;
}
int SysFCntl(int fd, int cmd, unsigned long arg)