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);
   }
   
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<tr><td><span title='2018-05-01 03:35:06 +0200'>2018-05-01</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=32c18fcb3c3cb10303aa4ef07571867e8ce3fe8d'>gnu: file: Update to 5.33.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-01-04 21:21:04 -0500'>2018-01-04</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=247d23680a222bc5440dec7c3fe0d36ad463a121'>Merge branch 'master' into core-updates</a></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2018-01-04 12:44:03 -0500'>2018-01-04</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=def8a62f627d00503e1fb84ac335cfa3d95a0438'>gnu: file: Mention libmagic.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2017-10-01 22:16:22 +0300'>2017-10-01</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=64df08f0cfac8f7a329002afa3461fd62a4b229c'>Merge remote-tracking branch 'origin/master' into core-updates</a></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-09-06 08:48:52 +0300'>2017-09-06</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=8d988f3845ebab6e7a87904ecb888733265068d6'>gnu: file: Update to 5.32.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-09-05 23:04:05 +0300'>2017-09-05</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=f1597427f220b0799b9c8847768d2f5a93fe3730'>gnu: file: Fix CVE-2017-1000249.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-04-03 15:12:10 +0200'>2017-04-03</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=8c85cb1b9ff10de2df0f3395d0491c389b6596dd'>gnu: file: Update to 5.30.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2016-08-15 10:42:27 +0300'>2016-08-15</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=da931eee6014a4eaa59c1c513e24fa5045b5e188'>gnu: file: Update to 5.28.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2015-11-16 16:06:49 +0800'>2015-11-16</span></td><td><a href='/guix/commit/gnu/packages/file.scm?id=b85d0984105ccbc4842e57788be769deb23bbc1a'>gnu: file: Update to 5.25.</a><span class='msg-avail'>...</span></td><td>宋文武</td></tr>