JError
JCreatePipe
(
int fd[2]
)
{
jclear_errno();
if (pipe(fd) == 0)
{
return JNoError();
}
const int err = jerrno();
if (err == EFAULT)
{
return JSegFault();
}
else if (err == EMFILE || err == ENFILE)
{
return JTooManyDescriptorsOpen();
}
else
{
return JUnexpectedError(err);
}
}
JError
JCreatePipe
(
int fd[2]
)
{
jclear_errno();
if (_pipe(fd, 4096, _O_BINARY) == 0)
{
return JNoError();
}
const int err = jerrno();
if (err == EMFILE || err == ENFILE)
{
return JTooManyDescriptorsOpen();
}
else
{
return JUnexpectedError(err);
}
}
JError
JFOpen
(
const JCharacter* fileName,
const JCharacter* mode,
FILE** stream
)
{
jclear_errno();
*stream = fopen(fileName, mode);
if (*stream != NULL)
{
return JNoError();
}
const int err = jerrno();
if (err == EINVAL)
{
return JInvalidOpenMode(fileName);
}
else if (err == EEXIST)
{
return JDirEntryAlreadyExists(fileName);
}
else if (err == EISDIR)
{
return JIsADirectory();
}
else if (err == EACCES || err == ETXTBSY)
{
return JAccessDenied(fileName);
}
else if (err == EFAULT)
{
return JSegFault();
}
else if (err == ENAMETOOLONG)
{
return JNameTooLong();
}
else if (err == ENOENT)
{
return JBadPath(fileName);
}
else if (err == ENOTDIR)
{
return JComponentNotDirectory(fileName);
}
else if (err == EMFILE || err == ENFILE)
{
return JTooManyDescriptorsOpen();
}
else if (err == ENOMEM)
{
return JNoKernelMemory();
}
else if (err == EROFS)
{
return JFileSystemReadOnly();
}
else if (err == ELOOP)
{
return JPathContainsLoop(fileName);
}
else if (err == ENOSPC)
{
return JFileSystemFull();
}
else
{
return JUnexpectedError(err);
}
}
