* missing/strl{cat,cpy}.c: Update latest upstream files.

  [Misc #12205][ruby-core:74487]
* LEGAL: Update license for missing/strl{cat,cpy}.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 63 insertions, 100 deletions

diff --git a/missing/strlcat.c b/missing/strlcat.c
index 4e2d7cc85a..7749afa4fd 100644
--- a/missing/strlcat.c
+++ b/missing/strlcat.c
@@ -1,74 +1,56 @@
-/*	$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $	*/
+/*	$OpenBSD: strlcat.c,v 1.15 2015/03/02 21:41:08 millert Exp $	*/
 
 /*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
  *
- * 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.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * THIS SOFTWARE IS PROVIDED ``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 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcat.c,v 1.8 2001/05/13 15:40:15 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
 #include "ruby/missing.h"
 #include <sys/types.h>
 #include <string.h>
 
 /*
- * Appends src to string dst of size siz (unlike strncat, siz is the
- * full size of dst, not space left).  At most siz-1 characters
- * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
- * Returns strlen(src) + MIN(siz, strlen(initial dst)).
- * If retval >= siz, truncation occurred.
+ * Appends src to string dst of size dsize (unlike strncat, dsize is the
+ * full size of dst, not space left).  At most dsize-1 characters
+ * will be copied.  Always NUL terminates (unless dsize <= strlen(dst)).
+ * Returns strlen(src) + MIN(dsize, strlen(initial dst)).
+ * If retval >= dsize, truncation occurred.
  */
 size_t
-strlcat(dst, src, siz)
-	char *dst;
-	const char *src;
-	size_t siz;
+strlcat(char *dst, const char *src, size_t dsize)
 {
-	register char *d = dst;
-	register const char *s = src;
-	register size_t n = siz;
+	const char *odst = dst;
+	const char *osrc = src;
+	size_t n = dsize;
 	size_t dlen;
 
-	/* Find the end of dst and adjust bytes left but don't go past end */
-	while (n-- != 0 && *d != '\0')
-		d++;
-	dlen = d - dst;
-	n = siz - dlen;
+	/* Find the end of dst and adjust bytes left but don't go past end. */
+	while (n-- != 0 && *dst != '\0')
+		dst++;
+	dlen = dst - odst;
+	n = dsize - dlen;
 
-	if (n == 0)
-		return(dlen + strlen(s));
-	while (*s != '\0') {
-		if (n != 1) {
-			*d++ = *s;
+	if (n-- == 0)
+		return(dlen + strlen(src));
+	while (*src != '\0') {
+		if (n != 0) {
+			*dst++ = *src;
 			n--;
 		}
-		s++;
+		src++;
 	}
-	*d = '\0';
+	*dst = '\0';
 
-	return(dlen + (s - src));	/* count does not include NUL */
+	return(dlen + (src - osrc));	/* count does not include NUL */
 }
diff --git a/missing/strlcpy.c b/missing/strlcpy.c
index 2ebc38f98f..6607574f80 100644
--- a/missing/strlcpy.c
+++ b/missing/strlcpy.c
@@ -1,70 +1,51 @@
-/*	$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $	*/
+/*	$OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $	*/
 
 /*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
  *
- * 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.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * THIS SOFTWARE IS PROVIDED ``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 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: strlcpy.c,v 1.5 2001/05/13 15:40:16 deraadt Exp $";
-#endif /* LIBC_SCCS and not lint */
-
 #include "ruby/missing.h"
 #include <sys/types.h>
 #include <string.h>
 
 /*
- * Copy src to string dst of size siz.  At most siz-1 characters
- * will be copied.  Always NUL terminates (unless siz == 0).
- * Returns strlen(src); if retval >= siz, truncation occurred.
+ * Copy string src to buffer dst of size dsize.  At most dsize-1
+ * chars will be copied.  Always NUL terminates (unless dsize == 0).
+ * Returns strlen(src); if retval >= dsize, truncation occurred.
  */
 size_t
-strlcpy(dst, src, siz)
-	char *dst;
-	const char *src;
-	size_t siz;
+strlcpy(char *dst, const char *src, size_t dsize)
 {
-	register char *d = dst;
-	register const char *s = src;
-	register size_t n = siz;
+	const char *osrc = src;
+	size_t nleft = dsize;
 
-	/* Copy as many bytes as will fit */
-	if (n != 0 && --n != 0) {
-		do {
-			if ((*d++ = *s++) == 0)
+	/* Copy as many bytes as will fit. */
+	if (nleft != 0) {
+		while (--nleft != 0) {
+			if ((*dst++ = *src++) == '\0')
 				break;
-		} while (--n != 0);
+		}
 	}
 
-	/* Not enough room in dst, add NUL and traverse rest of src */
-	if (n == 0) {
-		if (siz != 0)
-			*d = '\0';		/* NUL-terminate dst */
-		while (*s++)
+	/* Not enough room in dst, add NUL and traverse rest of src. */
+	if (nleft == 0) {
+		if (dsize != 0)
+			*dst = '\0';		/* NUL-terminate dst */
+		while (*src++)
 			;
 	}
 
-	return(s - src - 1);	/* count does not include NUL */
+	return(src - osrc - 1);	/* count does not include NUL */
 }