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Two memory leaks

From: YAMAMOTO Mitsuharu
Subject: Two memory leaks
Date: Wed, 24 Sep 2003 23:33:07 +0900 (JST)

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Please write in English if possible, because the Emacs maintainers
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Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Two memory leaks were found with the help of leaks(1) command in Mac

1. `range_table_work.table' in regex_compile (regex.c) is not freed if
   the compilation is succeeded.  The following patch would fix the

*** regex.c.~1.187.~    Tue Sep  2 09:10:05 2003
--- regex.c     Wed Sep 24 18:28:42 2003
*** 3514,3521 ****
    if (syntax & RE_NO_POSIX_BACKTRACKING)
      BUF_PUSH (succeed);
-   free (compile_stack.stack);
    /* We have succeeded; set the length of the buffer.  */
    bufp->used = b - bufp->buffer;
--- 3514,3519 ----
*** 3555,3561 ****
  #endif /* not MATCH_MAY_ALLOCATE */
!   return REG_NOERROR;
  } /* regex_compile */
  /* Subroutines for `regex_compile'.  */
--- 3553,3559 ----
  #endif /* not MATCH_MAY_ALLOCATE */
  } /* regex_compile */
  /* Subroutines for `regex_compile'.  */

2. `fontp->font_encoder' in fs_load_font (fontset.c) may be overridden

          if (find_ccl_program_func)
            (*find_ccl_program_func) (fontp);

   without being freed when `fontp' is already an element of
   `dpyinfo->font_table' in x_load_font (xterm.c) and has non-NULL

                                     YAMAMOTO Mitsuharu

In GNU Emacs (powerpc-apple-darwin6.8)
 of 2003-09-24 on Macintosh.local.
configured using `configure '--without-x' 'CFLAGS=-Os''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ja_JP
  locale-coding-system: japanese-iso-8bit
  default-enable-multibyte-characters: t

Recent input:
<menu-bar> <help-menu> <report-emacs-bug>

Recent messages:
Loading term/keyswap (source)...done
Loading subst-ksc...done
Loading subst-gb2312...done
Loading subst-big5...done
Loading subst-jis...done
Loading encoded-kb...done
Loading jka-compr...done
Loading image...done
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