Update dfa.c:parse_bracket_exp.

1 files changed, 0 insertions, 27 deletions

diff --git a/dfa.c b/dfa.c
index 44bb220e..ac1cf9a0 100644
--- a/dfa.c
+++ b/dfa.c
@@ -1150,32 +1150,6 @@ parse_bracket_exp (void)
             }
           else
             {
-#ifndef GAWK
-              /* Defer to the system regex library about the meaning
-                 of range expressions.  */
-              regex_t re;
-              char pattern[6] = { '[', 0, '-', 0, ']', 0 };
-              char subject[2] = { 0, 0 };
-              c1 = c;
-              if (case_fold)
-                {
-                  c1 = tolower (c1);
-                  c2 = tolower (c2);
-                }
-
-              pattern[1] = c1;
-              pattern[3] = c2;
-              regcomp (&re, pattern, REG_NOSUB);
-              for (c = 0; c < NOTCHAR; ++c)
-                {
-                  if ((case_fold && isupper (c)))
-                    continue;
-                  subject[0] = c;
-                  if (regexec (&re, subject, 0, NULL, 0) != REG_NOMATCH)
-                    setbit_case_fold_c (c, ccl);
-                }
-              regfree (&re);
-#else
               c1 = c;
               if (case_fold)
                 {
@@ -1184,7 +1158,6 @@ parse_bracket_exp (void)
                 }
               for (c = c1; c <= c2; c++)
                 setbit_case_fold_c (c, ccl);
-#endif
             }
 
           colon_warning_state |= 8;