Libc-498.1.5.tar.gz

[apple/libc.git] / string / strcspn-fbsd.c

diff --git a/string/strcspn-fbsd.c b/string/strcspn-fbsd.c
deleted file mode 100644 (file)
index 55acb8bd99cfc546cd2b798928f2aebe61b6ee27..0000000000000000000000000000000000000000
--- a/string/strcspn-fbsd.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*-
- * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/string/strcspn.c,v 1.5 2005/04/02 18:52:44 das Exp $");
-
-#include <sys/types.h>
-#include <limits.h>
-#include <string.h>
-
-#define        IDX(c)  ((u_char)(c) / LONG_BIT)
-#define        BIT(c)  ((u_long)1 << ((u_char)(c) % LONG_BIT))
-
-size_t
-strcspn(const char *s, const char *charset)
-{
-       /*
-        * NB: idx and bit are temporaries whose use causes gcc 3.4.2 to
-        * generate better code.  Without them, gcc gets a little confused.
-        */
-       const char *s1;
-       u_long bit;
-       u_long tbl[(UCHAR_MAX + 1) / LONG_BIT];
-       int idx;
-
-       if(*s == '\0')
-               return (0);
-
-#if LONG_BIT == 64     /* always better to unroll on 64-bit architectures */
-       tbl[0] = 1;
-       tbl[3] = tbl[2] = tbl[1] = 0;
-#else
-       for (tbl[0] = idx = 1; idx < sizeof(tbl) / sizeof(tbl[0]); idx++)
-               tbl[idx] = 0;
-#endif
-       for (; *charset != '\0'; charset++) {
-               idx = IDX(*charset);
-               bit = BIT(*charset);
-               tbl[idx] |= bit;
-       }
-
-       for(s1 = s; ; s1++) {
-               idx = IDX(*s1);
-               bit = BIT(*s1);
-               if ((tbl[idx] & bit) != 0)
-                       break;
-       }
-       return (s1 - s);
-}

diff --git a/string/strcspn-fbsd.c b/string/strcspn-fbsd.c
new file mode 120000 (symlink)
index 0000000000000000000000000000000000000000..c86ab8c032d6782788baaf1ffdbd7bee35c1d11b
--- /dev/null
+++ b/string/strcspn-fbsd.c
@@ -0,0 +1 @@
+./strcspn.c
\ No newline at end of file