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Stream::ReadAt()/WriteAt() now return B_BAD_VALUE if the read/write

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position was set to a value lower than zero (as Posix demands).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4650 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2003-09-12 07:21:03 +00:00
parent 0774a741c2
commit 3d2f1723fd
1 changed files with 4 additions and 4 deletions
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8
src/add-ons/kernel/file_systems/bfs/Stream.h
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@ -365,8 +365,8 @@ Stream<Cache>::ReadAt(off_t pos, uint8 *buffer, size_t *_length)
// set/check boundaries for pos/length
if (pos < 0)
pos = 0;
else if (pos >= Node()->data.size) {
return B_BAD_VALUE;
if (pos >= Node()->data.size) {
*_length = 0;
return B_NO_ERROR;
}
@ -489,8 +489,8 @@ Stream<Cache>::WriteAt(Transaction *transaction, off_t pos, const uint8 *buffer,
// set/check boundaries for pos/length
if (pos < 0)
pos = 0;
else if (pos + length > Node()->data.size) {
return B_BAD_VALUE;
if (pos + length > Node()->data.size) {
off_t oldSize = Size();
// uncached files can't be resized (Inode::SetFileSize() also