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2010-01-11 Sebastian Huber <sebastian.huber@embedded-brains.de> 

* libc/posix/telldir.c (_cleanupdir): Fixed usage of freed memory.
This commit is contained in:
Jeff Johnston 2010-01-11 23:24:47 +00:00
parent d8a439359a
commit eeda30d7d5
2 changed files with 15 additions and 11 deletions
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4
newlib/ChangeLog
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@ -1,3 +1,7 @@
2010-01-11 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/posix/telldir.c (_cleanupdir): Fixed usage of freed memory.
2010-01-11 Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
* libc/include/math.h (log2, log2f): Disable macro versions for C++,

22
newlib/libc/posix/telldir.c
View File

@ -169,26 +169,26 @@ _DEFUN(_cleanupdir, (dirp),
__lock_acquire(dd_hash_lock);
#endif
for (i = 0; i < NDIRHASH; ++i) {
struct ddloc head;
register struct ddloc *lp;
register struct ddloc *prevlp;
lp = dd_hash[i];
while (lp != NULL && lp->loc_dirp == dirp) {
dd_hash[i] = lp->loc_next;
prevlp = lp;
free((caddr_t)lp);
lp = prevlp->loc_next;
}
prevlp = lp;
head.loc_next = lp;
prevlp = &head;
while (lp != NULL) {
lp = lp->loc_next;
if (lp != NULL && lp->loc_dirp == dirp) {
prevlp->loc_next = lp->loc_next;
struct ddloc *nextlp;
nextlp = lp->loc_next;
if (lp->loc_dirp == dirp) {
prevlp->loc_next = nextlp;
free((caddr_t)lp);
lp = prevlp;
}
else
prevlp = lp;
lp = nextlp;
}
dd_hash[i] = head.loc_next;
}
#ifdef HAVE_DD_LOCK
__lock_release(dd_hash_lock);