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authorUlrich Drepper <drepper@redhat.com>2002-07-24 10:44:53 +0000
committerUlrich Drepper <drepper@redhat.com>2002-07-24 10:44:53 +0000
commit405550bf78acc8ce8885e4b30986035533d08267 (patch)
tree3da05c874d6fc47194f7bf47d1ad3a117e314406 /libio/fileops.c
parente155c80135043ce7582a5cb8623142c8ca14cbe5 (diff)
Update.
2002-07-24 Ulrich Drepper <drepper@redhat.com> * locale/hashval.h: Make more self-containedby defining LONG_BITS. * locale/programs/simple-hash.c: Remove LONG_BITS definition. * locale/programs/locarchive.c (add_locale_to_archive): Correct test to detect duplicate locales. * libio/fileops.c (_IO_new_file_seekoff): Fail if relative position would be before beginning of file. (_IO_file_seekoff_mmap): Likewise. * libio/Makefile (tests): Add bug-fseek. * libio/bug-fseek.c: New file. * intl/explodename.c: Remove support for CEN-style locale variables. It was never used and shouldn't be since it's not portable. * intl/finddomain.c: Likewise. * intl/l10nflist.c: Likewise. * intl/loadinfo.h: Likewise. * locale/findlocale.c: Likewise.
Diffstat (limited to 'libio/fileops.c')
-rw-r--r--libio/fileops.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index fa4c8e0fa8..1794dce57f 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -778,6 +778,11 @@ _IO_new_file_seekoff (fp, offset, dir, mode)
goto dumb;
/* Make offset absolute, assuming current pointer is file_ptr(). */
offset += fp->_offset;
+ if (offset < 0)
+ {
+ __set_errno (EINVAL);
+ return EOF;
+ }
dir = _IO_seek_set;
break;
@@ -934,6 +939,11 @@ _IO_file_seekoff_mmap (fp, offset, dir, mode)
case _IO_seek_cur:
/* Adjust for read-ahead (bytes is buffer). */
offset += fp->_IO_read_ptr - fp->_IO_read_base;
+ if (offset < 0)
+ {
+ __set_errno (EINVAL);
+ return EOF;
+ }
break;
case _IO_seek_set:
break;