diff options
Diffstat (limited to 'Build/source/texk/web2c/xetexdir')
-rw-r--r-- | Build/source/texk/web2c/xetexdir/ChangeLog | 4 | ||||
-rw-r--r-- | Build/source/texk/web2c/xetexdir/xetex.web | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/xetexdir/ChangeLog b/Build/source/texk/web2c/xetexdir/ChangeLog index d68c003cc16..cfbdeaf80a9 100644 --- a/Build/source/texk/web2c/xetexdir/ChangeLog +++ b/Build/source/texk/web2c/xetexdir/ChangeLog @@ -1,3 +1,7 @@ +2021-02-22 Phelype Oleinik <phe.h.o1@gmail.com> + + * eobase.ch: avoid "expansion depth" overflow with \numexpr. + 2021-02-17 Karl Berry <karl@tug.org> * NEWS, diff --git a/Build/source/texk/web2c/xetexdir/xetex.web b/Build/source/texk/web2c/xetexdir/xetex.web index 04e00da0152..8aa90220eb4 100644 --- a/Build/source/texk/web2c/xetexdir/xetex.web +++ b/Build/source/texk/web2c/xetexdir/xetex.web @@ -32966,7 +32966,10 @@ var a,@!b:boolean; {saved values of |arith_error|} @!p:pointer; {top of expression stack} @!q:pointer; {for stack manipulations} begin l:=cur_val_level; a:=arith_error; b:=false; p:=null; +incr(expand_depth_count); +if expand_depth_count>=expand_depth then overflow("expansion depth",expand_depth); @<Scan and evaluate an expression |e| of type |l|@>; +decr(expand_depth_count); if b then begin print_err("Arithmetic overflow"); @.Arithmetic overflow@> |