Aren
/
haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

KPath is used now where possible. 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9549 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2004-10-27 21:56:05 +00:00
parent f12d422d6a
commit 92221d2425
2 changed files with 43 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
headers/private/kernel/disk_device_manager/KFileDiskDevice.h
View File

@ -10,6 +10,8 @@
namespace BPrivate {
namespace DiskDevice {
class KPath;
class KFileDiskDevice : public KDiskDevice {
public:
KFileDiskDevice(partition_id id = -1);
@ -25,6 +27,8 @@ public:
// virtual void Dump(bool deep = true, int32 level = 0);
private:
static status_t _GetDirectoryPath(partition_id id, KPath *path);
static status_t _RegisterDevice(const char *file, const char *device);
static status_t _UnregisterDevice(const char *device);

55
src/kernel/core/disk_device_manager/KFileDiskDevice.cpp
View File

@ -10,6 +10,7 @@
#include <KDiskDeviceUtils.h>
#include <KFileDiskDevice.h>
#include <KPath.h>
#include "virtualdrive.h"
@ -44,17 +45,17 @@ KFileDiskDevice::SetTo(const char *filePath, const char *devicePath)
}
// normalize the file path
// TODO: For the time being, we get an absolute file name only.
char tmpFilePath[B_PATH_NAME_LENGTH];
KPath tmpFilePath;
if (filePath[0] != '/') {
int32 len = (int32)B_PATH_NAME_LENGTH - (int32)strlen(filePath) - 2;
if (len < 0)
return B_ERROR;
if (tmpFilePath.InitCheck() != B_OK)
return tmpFilePath.InitCheck();
// prepend the current directory path
if (!getcwd(tmpFilePath, len))
if (!getcwd(tmpFilePath.LockBuffer(), tmpFilePath.BufferSize() - 1))
return B_ERROR;
strcat(tmpFilePath, "/");
strcat(tmpFilePath, filePath);
filePath = tmpFilePath;
tmpFilePath.UnlockBuffer();
if (tmpFilePath.Append(filePath) != B_OK)
return B_ERROR;
filePath = tmpFilePath.Path();
}
// check the file
struct stat st;
@ -63,8 +64,10 @@ KFileDiskDevice::SetTo(const char *filePath, const char *devicePath)
if (!S_ISREG(st.st_mode))
return B_BAD_VALUE;
// create the device, if requested
char tmpDevicePath[B_PATH_NAME_LENGTH];
KPath tmpDevicePath;
if (!devicePath) {
if (tmpDevicePath.InitCheck() != B_OK)
return tmpDevicePath.InitCheck();
// no device path: we shall create a new device entry
// make the file devices dir
if (mkdir(kFileDevicesDir, 0777) != 0) {
@ -72,12 +75,15 @@ KFileDiskDevice::SetTo(const char *filePath, const char *devicePath)
return errno;
}
// make the directory
sprintf(tmpDevicePath, "%s/%ld", kFileDevicesDir, ID());
if (mkdir(tmpDevicePath, 0777) != 0)
status_t error = _GetDirectoryPath(ID(), tmpDevicePath);
if (error != B_OK)
return error;
if (mkdir(tmpDevicePath.Path(), 0777) != 0)
return errno;
// get the device path name
sprintf(tmpDevicePath, "%s/%ld/raw", kFileDevicesDir, ID());
devicePath = tmpDevicePath;
if (tmpDevicePath.Append("raw") != B_OK)
return B_BUFFER_OVERFLOW;
devicePath = tmpDevicePath.Path();
// register the file as virtual drive
status_t error = _RegisterDevice(filePath, devicePath);
if (error != B_OK)
@ -96,9 +102,9 @@ KFileDiskDevice::Unset()
// remove the device and the directory it resides in
if (Path() && ID() >= 0) {
_UnregisterDevice(Path());
char dirPath[B_PATH_NAME_LENGTH];
sprintf(dirPath, "%s/%ld", kFileDevicesDir, ID());
rmdir(dirPath);
KPath dirPath;
if (_GetDirectoryPath(ID(), &dirPath) == B_OK)
rmdir(dirPath.Path());
}
// free file path
free(fFilePath);
@ -127,6 +133,8 @@ KFileDiskDevice::_RegisterDevice(const char *file, const char *device)
// as a device and then simply symlink the assigned device to the
// desired device location. Replace that with the
// respective kernel magic for the OBOS kernel!
// -> Well, we could simply symlink the file there. Doesn't work for R5,
// but we should be able to deal with it properly.
// open the virtualdrive control device
int fd = open(VIRTUAL_DRIVE_CONTROL_DEVICE, O_RDONLY);
@ -192,3 +200,18 @@ KFileDiskDevice::_UnregisterDevice(const char *_device)
return error;
}
// _GetDirectoryPath
status_t
KFileDiskDevice::_GetDirectoryPath(partition_id id, KPath *path)
{
if (!path || path->InitCheck() != B_OK)
return path->InitCheck();
status_t error = path->SetString(kFileDevicesDir);
if (error == B_OK) {
char idBuffer[12]
sprintf(idBuffer, "%ld", id);
error = path->Append(idBuffer);
}
return error;
}