update imported str*.c

strlcat.c

@@ -1,7 +1,7 @@
-/*	$OpenBSD: strlcat.c,v 1.13 2005/08/08 08:05:37 espie Exp $	*/
+/*	$OpenBSD: strlcat.c,v 1.14 2015/01/15 03:54:12 millert Exp $	*/
 
 /*
- * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -25,38 +25,38 @@
 #ifndef HAVE_STRLCAT
 
 /*
- * Appends src to string dst of size siz (unlike strncat, siz is the
+ * Appends src to string dst of size dsize (unlike strncat, dsize is the
- * full size of dst, not space left).  At most siz-1 characters
+ * full size of dst, not space left).  At most dsize-1 characters
- * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
+ * will be copied.  Always NUL terminates (unless dsize <= strlen(dst)).
- * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * Returns strlen(src) + MIN(dsize, strlen(initial dst)).
  * If retval >= siz, truncation occurred.
  */
 size_t
-strlcat(char *dst, const char *src, size_t siz)
+strlcat(char *dst, const char *src, size_t dsize)
 {
-	char *d = dst;
+	const char *odst = dst;
-	const char *s = src;
+	const char *osrc = src;
-	size_t n = siz;
+	size_t n = dsize;
 	size_t dlen;
 
-	/* Find the end of dst and adjust bytes left but don't go past end */
+	/* Find the end of dst and adjust bytes left but don't go past end. */
-	while (n-- != 0 && *d != '\0')
+	while (n-- != 0 && *dst != '\0')
-		d++;
+		dst++;
-	dlen = d - dst;
+	dlen = dst - odst;
-	n = siz - dlen;
+	n = dsize - dlen;
 
-	if (n == 0)
+	if (n-- == 0)
-		return(dlen + strlen(s));
+		return(dlen + strlen(src));
-	while (*s != '\0') {
+	while (*src != '\0') {
-		if (n != 1) {
+		if (n != 0) {
-			*d++ = *s;
+			*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 */
 }
 
 #endif /* !HAVE_STRLCAT */

strlcpy.c

@@ -1,7 +1,7 @@
-/*	$OpenBSD: strlcpy.c,v 1.10 2005/08/08 08:05:37 espie 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>
+ * Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -25,34 +25,33 @@
 #ifndef HAVE_STRLCPY
 
 /*
- * Copy src to string dst of size siz.  At most siz-1 characters
+ * Copy string src to buffer dst of size dsize.  At most dsize-1
- * will be copied.  Always NUL terminates (unless siz == 0).
+ * chars will be copied.  Always NUL terminates (unless dsize == 0).
- * Returns strlen(src); if retval >= siz, truncation occurred.
+ * Returns strlen(src); if retval >= dsize, truncation occurred.
  */
 size_t
-strlcpy(char *dst, const char *src, size_t siz)
+strlcpy(char *dst, const char *src, size_t dsize)
 {
-	char *d = dst;
+	const char *osrc = src;
-	const char *s = src;
+	size_t nleft = dsize;
-	size_t n = siz;
 
-	/* Copy as many bytes as will fit */
+	/* Copy as many bytes as will fit. */
-	if (n != 0 && --n != 0) {
+	if (nleft != 0) {
-		do {
+		while (--nleft != 0) {
-			if ((*d++ = *s++) == 0)
+			if ((*dst++ = *src++) == '\0')
 				break;
-		} while (--n != 0);
+		}
 	}
 
-	/* Not enough room in dst, add NUL and traverse rest of src */
+	/* Not enough room in dst, add NUL and traverse rest of src. */
-	if (n == 0) {
+	if (nleft == 0) {
-		if (siz != 0)
+		if (dsize != 0)
-			*d = '\0';		/* NUL-terminate dst */
+			*dst = '\0';		/* NUL-terminate dst */
-		while (*s++)
+		while (*src++)
 			;
 	}
 
-	return(s - src - 1);	/* count does not include NUL */
+	return(src - osrc - 1);	/* count does not include NUL */
 }
 
 #endif /* !HAVE_STRLCPY */

strtonum.c

@@ -1,4 +1,4 @@
-/*	$OpenBSD: strtonum.c,v 1.6 2004/08/03 19:38:01 millert Exp $	*/
+/*	$OpenBSD: strtonum.c,v 1.7 2013/04/17 18:40:58 tedu Exp $	*/
 
 /*
  * Copyright (c) 2004 Ted Unangst and Todd Miller
@@ -20,21 +20,21 @@
 /* OPENBSD ORIGINAL: lib/libc/stdlib/strtonum.c */
 
 #ifndef HAVE_STRTONUM
-#include <stdlib.h>
-#include <limits.h>
 #include <errno.h>
+#include <limits.h>
+#include <stdlib.h>
 
-#define INVALID 	1
+#define	INVALID		1
-#define TOOSMALL 	2
+#define	TOOSMALL	2
-#define TOOLARGE 	3
+#define	TOOLARGE	3
 
 long long
 strtonum(const char *numstr, long long minval, long long maxval,
     const char **errstrp)
 {
 	long long ll = 0;
-	char *ep;
 	int error = 0;
+	char *ep;
 	struct errval {
 		const char *errstr;
 		int err;
@@ -47,9 +47,9 @@ strtonum(const char *numstr, long long minval, long long maxval,
 
 	ev[0].err = errno;
 	errno = 0;
-	if (minval > maxval)
+	if (minval > maxval) {
 		error = INVALID;
-	else {
+	} else {
 		ll = strtoll(numstr, &ep, 10);
 		if (numstr == ep || *ep != '\0')
 			error = INVALID;