ref: 42aa490108c48526b4314cd7207114aff4833af7
parent: f2e27e4d1aa6e1b12b1af5bce166d1c3b10473dd
author: Timothy B. Terriberry <tterribe@xiph.org>
date: Mon Nov 19 10:51:39 EST 2012
Small clarity improvements to op_get_next_page(). The assert might also be helpful for static analysis.
--- a/src/opusfile.c
+++ b/src/opusfile.c
@@ -182,9 +182,8 @@
OP_BADLINK: We hit end-of-file before reaching _boundary.*/
static opus_int64 op_get_next_page(OggOpusFile *_of,ogg_page *_og,
opus_int64 _boundary){
- for(;;){
+ while(_boundary<=0||_of->offset<_boundary){
int more;
- if(_boundary>0&&_of->offset>=_boundary)return OP_FALSE;
more=ogg_sync_pageseek(&_of->oy,_og);
/*Skipped (-more) bytes.*/
if(OP_UNLIKELY(more<0))_of->offset-=more;
@@ -211,14 +210,16 @@
}
else{
/*Got a page.
- Return the offset at the page beginning, advance the internal offset
- past the page end.*/
+ Return the page start offset and advance the internal offset past the
+ page end.*/
opus_int64 page_offset;
page_offset=_of->offset;
_of->offset+=more;
+ OP_ASSERT(page_offset>=0);
return page_offset;
}
}
+ return OP_FALSE;
}
static int op_add_serialno(ogg_page *_og,