5af32e7526
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12359 a95241bf-73f2-0310-859d-f6bbb57e9c96
123 lines
2.0 KiB
C
123 lines
2.0 KiB
C
/*
|
|
** Copyright 2002, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
|
|
** Distributed under the terms of the OpenBeOS License.
|
|
*/
|
|
|
|
|
|
#include <fs_index.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
#include "syscalls.h"
|
|
|
|
|
|
#define RETURN_AND_SET_ERRNO(status) \
|
|
{ \
|
|
if (status < 0) { \
|
|
errno = status; \
|
|
return -1; \
|
|
} \
|
|
return status; \
|
|
}
|
|
|
|
// for the DIR structure
|
|
#define BUFFER_SIZE 2048
|
|
|
|
|
|
int
|
|
fs_create_index(dev_t device, const char *name, uint32 type, uint32 flags)
|
|
{
|
|
status_t status = _kern_create_index(device, name, type, flags);
|
|
|
|
RETURN_AND_SET_ERRNO(status);
|
|
}
|
|
|
|
|
|
int
|
|
fs_remove_index(dev_t device, const char *name)
|
|
{
|
|
status_t status = _kern_remove_index(device, name);
|
|
|
|
RETURN_AND_SET_ERRNO(status);
|
|
}
|
|
|
|
|
|
int
|
|
fs_stat_index(dev_t device, const char *name, struct index_info *indexInfo)
|
|
{
|
|
struct stat stat;
|
|
|
|
status_t status = _kern_read_index_stat(device, name, &stat);
|
|
if (status == B_OK) {
|
|
indexInfo->type = stat.st_type;
|
|
indexInfo->size = stat.st_size;
|
|
indexInfo->modification_time = stat.st_mtime;
|
|
indexInfo->creation_time = stat.st_crtime;
|
|
indexInfo->uid = stat.st_uid;
|
|
indexInfo->gid = stat.st_gid;
|
|
}
|
|
|
|
RETURN_AND_SET_ERRNO(status);
|
|
}
|
|
|
|
|
|
DIR *
|
|
fs_open_index_dir(dev_t device)
|
|
{
|
|
DIR *dir;
|
|
|
|
int fd = _kern_open_index_dir(device);
|
|
if (fd < 0) {
|
|
errno = fd;
|
|
return NULL;
|
|
}
|
|
|
|
/* allocate the memory for the DIR structure */
|
|
if ((dir = (DIR *)malloc(sizeof(DIR) + BUFFER_SIZE)) == NULL) {
|
|
errno = B_NO_MEMORY;
|
|
_kern_close(fd);
|
|
return NULL;
|
|
}
|
|
|
|
dir->fd = fd;
|
|
|
|
return dir;
|
|
}
|
|
|
|
|
|
int
|
|
fs_close_index_dir(DIR *dir)
|
|
{
|
|
int status = _kern_close(dir->fd);
|
|
|
|
free(dir);
|
|
|
|
RETURN_AND_SET_ERRNO(status);
|
|
}
|
|
|
|
|
|
struct dirent *
|
|
fs_read_index_dir(DIR *dir)
|
|
{
|
|
ssize_t count = _kern_read_dir(dir->fd, &dir->ent, BUFFER_SIZE, 1);
|
|
if (count <= 0) {
|
|
if (count < 0)
|
|
errno = count;
|
|
return NULL;
|
|
}
|
|
|
|
return &dir->ent;
|
|
}
|
|
|
|
|
|
void
|
|
fs_rewind_index_dir(DIR *dir)
|
|
{
|
|
int status = _kern_rewind_dir(dir->fd);
|
|
if (status < 0)
|
|
errno = status;
|
|
}
|
|
|