texlive[57771] Build/source/texk/web2c/cwebdir: [CWEB] Fix 'Illegal

[commits+ascherer at tug.org]

Revision: 57771
          http://tug.org/svn/texlive?view=revision&revision=57771
Author:   ascherer
Date:     2021-02-17 17:22:21 +0100 (Wed, 17 Feb 2021)
Log Message:
-----------
[CWEB] Fix 'Illegal hardware instruction' on MacOS.

See https://tug.org/pipermail/tex-k/2021-February/003440.html for details.

Modified Paths:
--------------
    trunk/Build/source/texk/web2c/cwebdir/ChangeLog
    trunk/Build/source/texk/web2c/cwebdir/cweave.w

Modified: trunk/Build/source/texk/web2c/cwebdir/ChangeLog
===================================================================
--- trunk/Build/source/texk/web2c/cwebdir/ChangeLog	2021-02-17 11:40:54 UTC (rev 57770)
+++ trunk/Build/source/texk/web2c/cwebdir/ChangeLog	2021-02-17 16:22:21 UTC (rev 57771)
@@ -1,5 +1,9 @@
 2021-02-17  Andreas Scherer  <https://ascherer.github.io>
 
+	* cweave.w: Fix 'Illegal hardware instruction on MacOS.
+
+2021-02-17  Andreas Scherer  <https://ascherer.github.io>
+
 	* Makefile: Main CWEB modules depend on COMMON inteface.
 
 2021-02-16  Andreas Scherer  <https://ascherer.github.io>

Modified: trunk/Build/source/texk/web2c/cwebdir/cweave.w
===================================================================
--- trunk/Build/source/texk/web2c/cwebdir/cweave.w	2021-02-17 11:40:54 UTC (rev 57770)
+++ trunk/Build/source/texk/web2c/cwebdir/cweave.w	2021-02-17 16:22:21 UTC (rev 57771)
@@ -1333,7 +1333,7 @@
       if (*j--=='%' && (j==out_buf || *j!='\\')) {
         *b--='%'; break;
       }
-  if (b<out_ptr) strncpy(out_buf+1,b+1,(size_t)(out_ptr-b));
+  if (b<out_ptr) memcpy(out_buf+1,b+1,(size_t)(out_ptr-b));
   out_ptr-=b-out_buf;
 }