fix for csplit core dump on Solaris 10, Sun Studio 10, 64-bit sparc

[Paul Eggert]

I installed this:

2006-08-10  Paul Eggert  <address@hidden>

        * src/csplit.c (struct control): Remove fastmap member.
        (extract_regexp): Allocate fastmap separately, since otherwise
        it might move due to a realloc.  This fixes a bug that led
        to a core dump on 64-bit sparc Solaris 10 (Sun Studio 10).

--- src/csplit.c        9 Jul 2006 17:08:55 -0000       1.150
+++ src/csplit.c        10 Aug 2006 20:49:47 -0000
@@ -69,7 +69,6 @@ struct control
   bool ignore;                 /* If true, produce no output (for regexp). */
   bool regexpr;                        /* True if regular expression was used. 
*/
   struct re_pattern_buffer re_compiled;        /* Compiled regular expression. 
*/
-  char fastmap[UCHAR_MAX + 1]; /* Fastmap for RE_COMPILED.  */
 };
 
 /* Initial size of data area in buffers. */
@@ -1119,7 +1118,7 @@ extract_regexp (int argnum, bool ignore,
   p->regexpr = true;
   p->re_compiled.buffer = NULL;
   p->re_compiled.allocated = 0;
-  p->re_compiled.fastmap = p->fastmap;
+  p->re_compiled.fastmap = xmalloc (UCHAR_MAX + 1);
   p->re_compiled.translate = NULL;
   re_syntax_options =
     RE_SYNTAX_POSIX_BASIC & ~RE_CONTEXT_INVALID_DUP & ~RE_NO_EMPTY_RANGES;