image: always read exactly n bytes

mrjbq7 · May 24, 2024 · 2f62186 · 2f62186
1 parent 6548879
commit 2f62186
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/extra/tools/image/image.factor b/extra/tools/image/image.factor
@@ -65,9 +65,9 @@ ERROR: unsupported-image-header ;
   dup code>> length over header>> compressed-code-size<<
 ;
 
-! return empty sequence instead of f
+! always read exactly n bytes. return empty sequence instead of f. beyond EOF read 0.
 : read* ( n -- bytes )
-  read [ B{ } clone ] unless* ; inline
+  dup read [ B{ } clone ] unless* resize-byte-array ; inline
 
 : read-header ( -- header/* )
   image-header read-struct check-header >compression-header ;