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-rw-r--r--posix/regex.c77
1 files changed, 37 insertions, 40 deletions
diff --git a/posix/regex.c b/posix/regex.c
index 16e91f1514..04df21e308 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -164,46 +164,6 @@ char *realloc ();
# define SWITCH_ENUM_CAST(x) (x)
# endif
-/* How many characters in the character set. */
-# define CHAR_SET_SIZE 256
-
-# ifdef SYNTAX_TABLE
-
-extern char *re_syntax_table;
-
-# else /* not SYNTAX_TABLE */
-
-static char re_syntax_table[CHAR_SET_SIZE];
-
-static void
-init_syntax_once ()
-{
- register int c;
- static int done;
-
- if (done)
- return;
-
- bzero (re_syntax_table, sizeof re_syntax_table);
-
- for (c = 'a'; c <= 'z'; c++)
- re_syntax_table[c] = Sword;
-
- for (c = 'A'; c <= 'Z'; c++)
- re_syntax_table[c] = Sword;
-
- for (c = '0'; c <= '9'; c++)
- re_syntax_table[c] = Sword;
-
- re_syntax_table['_'] = Sword;
-
- done = 1;
-}
-
-# endif /* not SYNTAX_TABLE */
-
-# define SYNTAX(c) re_syntax_table[c]
-
#endif /* not emacs */
/* Get the interface, including the syntax bits. */
@@ -276,6 +236,43 @@ init_syntax_once ()
# define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
#endif
+#ifndef emacs
+/* How many characters in the character set. */
+# define CHAR_SET_SIZE 256
+
+# ifdef SYNTAX_TABLE
+
+extern char *re_syntax_table;
+
+# else /* not SYNTAX_TABLE */
+
+static char re_syntax_table[CHAR_SET_SIZE];
+
+static void
+init_syntax_once ()
+{
+ register int c;
+ static int done = 0;
+
+ if (done)
+ return;
+ bzero (re_syntax_table, sizeof re_syntax_table);
+
+ for (c = 0; c < CHAR_SET_SIZE; ++c)
+ if (ISALNUM (c))
+ re_syntax_table[c] = Sword;
+
+ re_syntax_table['_'] = Sword;
+
+ done = 1;
+}
+
+# endif /* not SYNTAX_TABLE */
+
+# define SYNTAX(c) re_syntax_table[((c) & 0xFF)]
+
+#endif /* emacs */
+
/* Should we use malloc or alloca? If REGEX_MALLOC is not defined, we
use `alloca' instead of `malloc'. This is because using malloc in
re_search* or re_match* could cause memory leaks when C-g is used in