[SCM] GNU M4 source repository branch, master, updated. cvs-readonly-62-g7f0b47b

[Eric Blake]

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- Log -----------------------------------------------------------------
commit 7f0b47b96e8872513aae3a4e3819aef6d799e6bd
Author: Eric Blake <address@hidden>
Date:   Fri Feb 15 16:46:50 2008 -0700

    * modules/gnu.c (regexp_compile): Use a fastmap for regex speed.
    
    Signed-off-by: Eric Blake <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog     |    4 ++++
 modules/gnu.c |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f50ac37..0e3c93e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-02-15  Eric Blake  <address@hidden>
+
+       * modules/gnu.c (regexp_compile): Use a fastmap for regex speed.
+
 2008-02-13  Eric Blake  <address@hidden>
 
        Fix texinfo grammar.
diff --git a/modules/gnu.c b/modules/gnu.c
index 10fb0ac..f3b7fb7 100644
--- a/modules/gnu.c
+++ b/modules/gnu.c
@@ -175,6 +175,8 @@ regexp_compile (m4 *context, const char *caller, const char 
*regexp,
       free (pat);
       return NULL;
     }
+  /* Use a fastmap for speed; it is freed by regfree.  */
+  pat->fastmap = xcharalloc (256);
 
   /* Now, find a victim slot.  Decrease the count of all entries, then
      prime the count of the victim slot at REGEX_CACHE_SIZE.  This


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