FYI: fix recursive push_string bug [m4--release--1.4--patch-15]

[Gary V. Vaughan]

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Applied to branch-1_4.

  * looking for address@hidden/m4--release--1.4--patch-14 to compare with
  * comparing to address@hidden/m4--release--1.4--patch-14
  M  src/input.c
  M  ChangeLog
  M  NEWS
  
  * modified files
  
  Index: Changelog
  from  Ilya N. Golubev  <address@hidden>  (tiny change)
  
        * input.c (match_input): Do not pass expression with side effect
        to `obstack_grow'.  Fix <INTERNAL ERROR: Recursive push_string!>.
        * NEWS: Updated.
  
  2005-12-04  Gary V. Vaughan  <address@hidden>  (tiny change)
  --- orig/NEWS
  +++ mod/NEWS
  @@ -1,6 +1,10 @@
   GNU m4 NEWS - User visible changes.
   Copyright (C) 1992, 1993, 1994, 2004, 2005 Free Software Foundation, Inc.
   
  +Version 1.4.5 - ??? 200?, by ???
  +
  +* Fix a recursive push_string crashing bug.
  +
   Version 1.4.4 - October 2005, by Gary V. Vaughan
   
   * ./configure --infodir=/usr/share/info now works correctly.
  
  
  --- orig/src/input.c
  +++ mod/src/input.c
  @@ -531,7 +531,12 @@
       }
   
     /* Failed, push back input.  */
  -  obstack_grow (push_string_init (), t, n);
  +  {
  +    struct obstack *h = push_string_init ();
  +
  +    /* `obstack_grow' may be macro evaluating its arg 1 several times. */
  +    obstack_grow (h, t, n);
  +  }
     push_string_finish ();
     return 0;
   }
  
  
  
- -- 
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook
_________________________________________________________
This patch notification generated by tlaapply version 1.0
http://tkd.kicks-ass.net/arch/address@hidden/cvs-utils--tla--1.0
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