gate binary unpacks on non-zero strings

highperformancecoder · highperformancecoder · commit 93b5399d6804 · 2026-02-04T16:23:42.000+11:00
diff --git a/pack_base.h b/pack_base.h
@@ -275,7 +275,7 @@ namespace classdesc
           memcpy(x,m_data+m_pos,s);
         }
       else
-        if (fread(x,s,1,f)!=1)
+        if (s && fread(x,s,1,f)!=1)
           throw pack_error("premature end of stream");
       m_pos+=s;
     }

Original file line number	Diff line number	Diff line change
`@@ -275,7 +275,7 @@ namespace classdesc`
`275`	`275`	`memcpy(x,m_data+m_pos,s);`
`276`	`276`	`}`
`277`	`277`	`else`
`278`		`- if (fread(x,s,1,f)!=1)`
	`278`	`+ if (s && fread(x,s,1,f)!=1)`
`279`	`279`	`throw pack_error("premature end of stream");`
`280`	`280`	`m_pos+=s;`
`281`	`281`	`}`