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Several VFS related syscalls have been changed, added or removed.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8701 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2004-08-28 20:38:39 +00:00
parent c46de31dea
commit 9955b99a86
3 changed files with 771 additions and 363 deletions
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src/kernel/core/fs/fd.c
-140
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@@ -464,77 +464,6 @@ _user_rewind_dir(int fd)
}
status_t
_user_read_stat(int fd, struct stat *userStat, size_t statSize)
{
struct file_descriptor *descriptor;
status_t status;
if (statSize > sizeof(struct stat))
return B_BAD_VALUE;
/* This is a user_function, so abort if we have a kernel address */
if (IS_KERNEL_ADDRESS(userStat))
return B_BAD_ADDRESS;
descriptor = get_fd(get_current_io_context(false), fd);
if (descriptor == NULL)
return B_FILE_ERROR;
TRACE(("_user_read_stat(descriptor = %p)\n", descriptor));
if (descriptor->ops->fd_read_stat) {
// we're using the stat buffer on the stack to not have to
// lock the given stat buffer in memory
struct stat stat;
status = descriptor->ops->fd_read_stat(descriptor, &stat);
if (status >= 0)
status = user_memcpy(userStat, &stat, statSize);
} else
status = EOPNOTSUPP;
put_fd(descriptor);
return status;
}
status_t
_user_write_stat(int fd, const struct stat *userStat, size_t statSize, int statMask)
{
struct file_descriptor *descriptor;
status_t status;
if (statSize > sizeof(struct stat))
return B_BAD_VALUE;
if (IS_KERNEL_ADDRESS(userStat))
return B_BAD_ADDRESS;
descriptor = get_fd(get_current_io_context(false), fd);
if (descriptor == NULL)
return B_FILE_ERROR;
TRACE(("_user_write_stat(descriptor = %p)\n", descriptor));
if (descriptor->ops->fd_write_stat) {
// we're using the stat buffer on the stack to not have to
// lock the given stat buffer in memory
struct stat stat;
if (sizeof(struct stat) != statSize)
memset((uint8 *)&stat + statSize, 0, sizeof(struct stat) - statSize);
status = user_memcpy(&stat, userStat, statSize);
if (status == B_OK)
status = descriptor->ops->fd_write_stat(descriptor, &stat, statMask);
} else
status = EOPNOTSUPP;
put_fd(descriptor);
return status;
}
status_t
_user_close(int fd)
{
@@ -721,75 +650,6 @@ _kern_rewind_dir(int fd)
}
status_t
_kern_read_stat(int fd, struct stat *stat, size_t statSize)
{
struct file_descriptor *descriptor;
status_t status;
if (statSize > sizeof(struct stat))
return B_BAD_VALUE;
descriptor = get_fd(get_current_io_context(true), fd);
if (descriptor == NULL)
return B_FILE_ERROR;
TRACE(("_kern_read_stat(descriptor = %p)\n", descriptor));
if (descriptor->ops->fd_read_stat) {
// this supports different stat extensions
struct stat completeStat;
struct stat *originalStat = NULL;
if (statSize < sizeof(struct stat)) {
originalStat = stat;
stat = &completeStat;
}
status = descriptor->ops->fd_read_stat(descriptor, stat);
if (originalStat != NULL)
memcpy(originalStat, stat, statSize);
} else
status = EOPNOTSUPP;
put_fd(descriptor);
return status;
}
status_t
_kern_write_stat(int fd, const struct stat *stat, size_t statSize, int statMask)
{
struct file_descriptor *descriptor;
status_t status;
if (statSize > sizeof(struct stat))
return B_BAD_VALUE;
descriptor = get_fd(get_current_io_context(true), fd);
if (descriptor == NULL)
return B_FILE_ERROR;
TRACE(("_kern_write_stat(descriptor = %p)\n", descriptor));
if (descriptor->ops->fd_write_stat) {
// this supports different stat extensions
struct stat completeStat;
if (statSize < sizeof(struct stat)) {
memset((uint8 *)&completeStat + statSize, 0, sizeof(struct stat) - statSize);
memcpy(&completeStat, stat, statSize);
stat = &completeStat;
}
status = descriptor->ops->fd_write_stat(descriptor, stat, statMask);
} else
status = EOPNOTSUPP;
put_fd(descriptor);
return status;
}
status_t
_kern_close(int fd)
{
src/kernel/core/fs/vfs.cpp
+751 -211
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