Description: Don't lookup previous point if there isn't any
Author: Marc Deslauriers <marc.deslauriers@canonical.com>
Forwarded: no

Index: t1lib-5.1.2/lib/type1/type1.c
===================================================================
--- t1lib-5.1.2.orig/lib/type1/type1.c	2011-12-13 14:24:14.280965637 -0600
+++ t1lib-5.1.2/lib/type1/type1.c	2011-12-13 14:25:25.893320747 -0600
@@ -1700,6 +1700,7 @@
   long pindex = 0;
   
   /* compute hinting for previous segment! */
+  if (ppoints == NULL) Error0i("RLineTo: No previous point!\n");
   FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx, dy);
 
   /* Allocate a new path point and pre-setup data */
@@ -1728,6 +1729,7 @@
   long pindex = 0;
   
   /* compute hinting for previous point! */
+  if (ppoints == NULL) Error0i("RRCurveTo: No previous point!\n");
   FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx1, dy1);
 
   /* Allocate three new path points and pre-setup data */
@@ -1903,6 +1905,7 @@
     FindStems( currx, curry, 0, 0, dx, dy);
   }
   else {
+    if (ppoints == NULL) Error0i("RMoveTo: No previous point!\n");
     FindStems( currx, curry, ppoints[numppoints-2].x, ppoints[numppoints-2].y, dx, dy);
   }
   
s='active' href='/guix/log/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch'>log</a><a href='/guix/tree/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=7d26b017d89293822e30e899753fb3df4979c57f'>tree</a><a href='/guix/commit/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=7d26b017d89293822e30e899753fb3df4979c57f'>commit</a><a href='/guix/diff/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=7d26b017d89293822e30e899753fb3df4979c57f'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch'>
<input type='hidden' name='id' value='7d26b017d89293822e30e899753fb3df4979c57f'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=7d26b017d89293822e30e899753fb3df4979c57f'>root</a>/<a href='/guix/log/gnu?id=7d26b017d89293822e30e899753fb3df4979c57f'>gnu</a>/<a href='/guix/log/gnu/packages?id=7d26b017d89293822e30e899753fb3df4979c57f'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=7d26b017d89293822e30e899753fb3df4979c57f'>patches</a>/<a href='/guix/log/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=7d26b017d89293822e30e899753fb3df4979c57f'>audiofile-Check-the-number-of-coefficients.patch</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=7d26b017d89293822e30e899753fb3df4979c57f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-12-26 16:44:53 +0100'>2019-12-26</span></td><td><a href='/guix/commit/gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch?id=a8e149434eb1500026256747b4ed21b8bab95926'>gnu: Add audiofile.</a><span class='msg-avail'>...<span class='msg-tooltip'>Patches should fix all CVEs reported by `guix lint`:
CVE-2015-7747; CVE-2017-6827, CVE-2017-6828, CVE-2017-6829,
CVE-2017-6830, CVE-2017-6831, CVE-2017-6832, CVE-2017-6833,
CVE-2017-6834, CVE-2017-6835, CVE-2017-6836, CVE-2017-6837,
CVE-2017-6838, CVE-2017-6839; CVE-2018-13440; CVE-2018-17095

Since the patches do not reference to CVEs, it's a bit hard to tell which
patch actually closes which CVE.  Debian reports all these to be closed by
the patches below and NixPkgs provides references.

* gnu/packages/audio.scm (audiofile): New variable.
* gnu/packages/patches/audiofile-fix-datatypes-in-tests.patch,
  gnu/packages/patches/audiofile-fix-sign-conversion.patch,
  gnu/packages/patches/audiofile-CVE-2015-7747.patch,
  gnu/packages/patches/audiofile-CVE-2018-13440.patch,
  gnu/packages/patches/audiofile-CVE-2018-17095.patch,
  gnu/packages/patches/audiofile-Check-the-number-of-coefficients.patch,
  gnu/packages/patches/audiofile-Fail-on-error-in-parseFormat.patch,
  gnu/packages/patches/audiofile-Fix-index-overflow-in-IMA.cpp.patch,
  gnu/packages/patches/audiofile-Fix-multiply-overflow-sfconvert.patch,
  gnu/packages/patches/audiofile-Fix-overflow-in-MSADPCM-decodeSam.patch,
  gnu/packages/patches/audiofile-division-by-zero-BlockCodec-runPull.patch,
  gnu/packages/patches/audiofile-hurd.patch,
  gnu/packages/patches/audiofile-signature-of-multiplyCheckOverflow.patch:
  New files.
* gnu/local.mk: Add them.
</span></span></td><td>Hartmut Goebel</td></tr>