diff options
| author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2010-11-06 15:06:12 +0000 |
|---|---|---|
| committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2010-11-06 15:06:12 +0000 |
| commit | 6e787e4178cff818a1c57d548c4b96bc49ffd222 (patch) | |
| tree | 690bea46b85f1d52b6ec309ad16c9b9a9ca0218c /Build/source/texk/web2c/ptexdir | |
| parent | 07ee1f7dbdcb2cb8c5a727b537b2474cbde729c3 (diff) | |
pTeX: avoid segfault
git-svn-id: svn://tug.org/texlive/trunk@20344 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/ptexdir')
| -rw-r--r-- | Build/source/texk/web2c/ptexdir/ChangeLog | 5 | ||||
| -rw-r--r-- | Build/source/texk/web2c/ptexdir/ptex-base.ch | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/ptexdir/ChangeLog b/Build/source/texk/web2c/ptexdir/ChangeLog index ea2d8518bdb..3c4a83d76c8 100644 --- a/Build/source/texk/web2c/ptexdir/ChangeLog +++ b/Build/source/texk/web2c/ptexdir/ChangeLog @@ -1,3 +1,8 @@ +2010-11-04 Peter Breitenlohner <peb@mppmu.mpg.de> + + * ptex-base.ch (get_jfm_pos): Avoid accessing non-existent array + elements that could cause segmentation faults. + 2010-06-10 Peter Breitenlohner <peb@mppmu.mpg.de> * am/ptex.am (ptex_cppflags): Add $(AM_CPPFLAGS). diff --git a/Build/source/texk/web2c/ptexdir/ptex-base.ch b/Build/source/texk/web2c/ptexdir/ptex-base.ch index 778a9702713..96497a75e50 100644 --- a/Build/source/texk/web2c/ptexdir/ptex-base.ch +++ b/Build/source/texk/web2c/ptexdir/ptex-base.ch @@ -6719,7 +6719,7 @@ begin@/ jc:=toDVI(kcode); sp:=1; { start position } ep:=font_num_ext[f]-1; { end position } -if (kchar_code(f)(sp)<=jc)and(jc<=kchar_code(f)(ep)) then +if (ep>=1)and(kchar_code(f)(sp)<=jc)and(jc<=kchar_code(f)(ep)) then begin while (sp <= ep) do begin mp:=sp+((ep-sp) div 2); if jc<kchar_code(f)(mp) then ep:=mp-1 |