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);
   }
   
9d825c0a11f5e395b6'>tree</a><a href='/guix/commit/tests/cpan.scm?id=d2ce2e0feefe3f1d7d400d9d825c0a11f5e395b6'>commit</a><a href='/guix/diff/tests/cpan.scm?id=d2ce2e0feefe3f1d7d400d9d825c0a11f5e395b6'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/cpan.scm'>
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<tr><td><span title='2023-06-09 14:19:14 +0200'>2023-06-09</span></td><td><a href='/guix/commit/tests/cpan.scm?id=f69d14d31af8325807d8529fccd3f0b6fd86e342'>tests: Ensure 'cpan' updater test does not access the network.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-05-31 23:50:06 +0200'>2023-05-31</span></td><td><a href='/guix/commit/tests/cpan.scm?id=654fcf9971bb01389d577be07c6ec0f68940c743'>tests: Use quasiquoted 'match' patterns for package sexps.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-05-31 23:25:25 +0200'>2023-05-31</span></td><td><a href='/guix/commit/tests/cpan.scm?id=a738c1a0c75af8b65ab5cad893e9ac2af6633d29'>import: cpan: Updater provides input list.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-05-31 23:25:25 +0200'>2023-05-31</span></td><td><a href='/guix/commit/tests/cpan.scm?id=c4fe4e7eb8ccbe5e8dcbcb8e64fbb3a97a498808'>import: cpan: Represent dependencies as &lt;upstream-input&gt; records.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-10-22 01:46:55 +0200'>2022-10-22</span></td><td><a href='/guix/commit/tests/cpan.scm?id=a3619079f95213c4f983e69210ed12b38fd31022'>Remove now unnecessary uses of (guix grafts).</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>