Correct fseeko64 function.
git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@242 4407c894-4637-0410-b4f5-ada5f102cad1
diff --git a/mingw-w64-crt/ChangeLog b/mingw-w64-crt/ChangeLog
index 0fb603c..da3314d 100644
--- a/mingw-w64-crt/ChangeLog
+++ b/mingw-w64-crt/ChangeLog
@@ -1,3 +1,7 @@
+2008-01-25 Kai Tietz <kai.tietz@onevision.com>
+
+ * stdio/fseeko64.c: Correct feeko64.
+
2008-01-23 Kai Tietz <kai.tietz@onevision.com>
* crt64/dirent.c: Add add _tGetFileAttributes for win95.
diff --git a/mingw-w64-crt/stdio/fseeko64.c b/mingw-w64-crt/stdio/fseeko64.c
index 9a30ceb..5af2337 100644
--- a/mingw-w64-crt/stdio/fseeko64.c
+++ b/mingw-w64-crt/stdio/fseeko64.c
@@ -105,7 +105,28 @@
int fseeko64 (FILE* stream, _off64_t offset, int whence)
{
- return _fseeki64(stream,offset,whence);
+ fpos_t pos;
+ if (whence == SEEK_CUR)
+ {
+ /* If stream is invalid, fgetpos sets errno. */
+ if (fgetpos (stream, &pos))
+ return (-1);
+ pos += (fpos_t) offset;
+ }
+ else if (whence == SEEK_END)
+ {
+ /* If writing, we need to flush before getting file length. */
+ fflush (stream);
+ pos = (fpos_t) (_filelengthi64 (_fileno (stream)) + offset);
+ }
+ else if (whence == SEEK_SET)
+ pos = (fpos_t) offset;
+ else
+ {
+ errno = EINVAL;
+ return (-1);
+ }
+ return fsetpos (stream, &pos);
}
int __cdecl _fseeki64(FILE *str,__int64 offset,int whence)
