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='2023-07-09 02:00:03 +0200'>2023-07-09</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=b29bd4d35e26951c719f31fc505c7c2bc566b4e1'>gnu: antiword: Use Web Archive URLs.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2023-06-21 00:10:50 +0200'>2023-06-21</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=da4305e9b3d65cf698a6987bd7be7905785bf06c'>gnu: go-github-com-mattn-go-runewidth: Update to 0.0.14.</a><span class='msg-avail'>...</span></td><td>Nguyễn Gia Phong</td></tr>
<tr><td><span title='2023-06-20 22:04:49 +0100'>2023-06-20</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=55f4ad865bd7300cb6a16e32ebf443a220726150'>gnu: utf8proc-2.7.0: Explicitly use ruby-2.7.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2023-06-08 23:34:11 +0200'>2023-06-08</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=1cb9c2206c13e33a23a0cfce2e53e19d4398a2d9'>gnu: Add pandoc-include.</a><span class='msg-avail'>...</span></td><td>Wiktor Żelazny</td></tr>
<tr><td><span title='2023-06-08 23:34:08 +0200'>2023-06-08</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=2fd76ec1a3681dc7ba4b0fb78b18646d1fbf6aea'>gnu: Add python-panflute.</a><span class='msg-avail'>...</span></td><td>Wiktor Żelazny</td></tr>
<tr><td><span title='2023-05-21 23:42:40 -0500'>2023-05-21</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=849286ba66c96534bddc04df1a47d5692cbc977e'>gnu: dos2unix: Update to 7.5.0.</a><span class='msg-avail'>...</span></td><td>Timotej Lazar</td></tr>
<tr><td><span title='2023-04-10 23:23:16 +0300'>2023-04-10</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=1130a5f713a0f9235d921c6aa8e49afc8b2a4db2'>gnu: libconfig: Replace config script helpers.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-03-21 22:13:29 -0400'>2023-03-21</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=03ab1a27620d18f7e09ef7cc28f62d0a0c78b186'>gnu: dbacl: Fix failing check phase.</a><span class='msg-avail'>...</span></td><td>Danny O'Brien</td></tr>
<tr><td><span title='2023-03-02 11:14:06 +0800'>2023-03-02</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=ad82d834f63aa24199d67a060864c1a620c3a6e1'>gnu: dos2unix: Use new package style.</a><span class='msg-avail'>...</span></td><td>Timotej Lazar</td></tr>
<tr><td><span title='2023-03-02 11:13:33 +0800'>2023-03-02</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=66e677f58eea6db97eeb14b08c2a9feb74f1d220'>gnu: dos2unix: Update to 7.4.4.</a><span class='msg-avail'>...</span></td><td>Timotej Lazar</td></tr>
<tr><td><span title='2023-02-19 01:00:01 +0100'>2023-02-19</span></td><td><a href='/guix/commit/gnu/packages/textutils.scm?id=1e6ddceb8318d413745ca1c9d91fde01b1e0364b'>gnu: Use HTTPS package home pages wherever possible.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>