Update to FreeBSD head 2016-08-23

Git mirror commit 9fe7c416e6abb28b1398fd3e5687099846800cfd.

3 files changed, 66 insertions, 55 deletions

diff --git a/freebsd/lib/libutil/expand_number.c b/freebsd/lib/libutil/expand_number.c
index 893a1d77..b004f5fc 100644
--- a/freebsd/lib/libutil/expand_number.c
+++ b/freebsd/lib/libutil/expand_number.c
@@ -37,31 +37,24 @@ __FBSDID("$FreeBSD$");
 #include <libutil.h>
 #include <stdint.h>
 
-/*
- * Convert an expression of the following forms to a uint64_t.
- *	1) A positive decimal number.
- *	2) A positive decimal number followed by a 'b' or 'B' (mult by 1).
- *	3) A positive decimal number followed by a 'k' or 'K' (mult by 1 << 10).
- *	4) A positive decimal number followed by a 'm' or 'M' (mult by 1 << 20).
- *	5) A positive decimal number followed by a 'g' or 'G' (mult by 1 << 30).
- *	6) A positive decimal number followed by a 't' or 'T' (mult by 1 << 40).
- *	7) A positive decimal number followed by a 'p' or 'P' (mult by 1 << 50).
- *	8) A positive decimal number followed by a 'e' or 'E' (mult by 1 << 60).
- */
 int
 expand_number(const char *buf, uint64_t *num)
 {
+	char *endptr;
+	uintmax_t umaxval;
 	uint64_t number;
 	unsigned shift;
-	char *endptr;
-
-	number = strtoumax(buf, &endptr, 0);
+	int serrno;
 
-	if (endptr == buf) {
-		/* No valid digits. */
-		errno = EINVAL;
+	serrno = errno;
+	errno = 0;
+	umaxval = strtoumax(buf, &endptr, 0);
+	if (umaxval > UINT64_MAX)
+		errno = ERANGE;
+	if (errno != 0)
 		return (-1);
-	}
+	errno = serrno;
+	number = umaxval;
 
 	switch (tolower((unsigned char)*endptr)) {
 	case 'e':
@@ -97,7 +90,6 @@ expand_number(const char *buf, uint64_t *num)
 		errno = ERANGE;
 		return (-1);
 	}
-
 	*num = number << shift;
 	return (0);
 }
diff --git a/freebsd/lib/libutil/humanize_number.c b/freebsd/lib/libutil/humanize_number.c
index da5c5197..3bb729a9 100644
--- a/freebsd/lib/libutil/humanize_number.c
+++ b/freebsd/lib/libutil/humanize_number.c
@@ -4,6 +4,7 @@
 
 /*
  * Copyright (c) 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc.
+ * Copyright 2013 John-Mark Gurney <jmg@FreeBSD.org>
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
@@ -52,15 +53,26 @@ humanize_number(char *buf, size_t len, int64_t quotient,
 {
 	const char *prefixes, *sep;
 	int	i, r, remainder, s1, s2, sign;
+	int	divisordeccut;
 	int64_t	divisor, max;
 	size_t	baselen;
 
-	assert(buf != NULL);
-	assert(suffix != NULL);
-	assert(scale >= 0);
-	assert(scale < maxscale || (((scale & (HN_AUTOSCALE | HN_GETSCALE)) != 0)));
-	assert(!((flags & HN_DIVISOR_1000) && (flags & HN_IEC_PREFIXES)));
+	/* Since so many callers don't check -1, NUL terminate the buffer */
+	if (len > 0)
+		buf[0] = '\0';
 
+	/* validate args */
+	if (buf == NULL || suffix == NULL)
+		return (-1);
+	if (scale < 0)
+		return (-1);
+	else if (scale >= maxscale &&
+	    ((scale & ~(HN_AUTOSCALE|HN_GETSCALE)) != 0))
+		return (-1);
+	if ((flags & HN_DIVISOR_1000) && (flags & HN_IEC_PREFIXES))
+		return (-1);
+
+	/* setup parameters */
 	remainder = 0;
 
 	if (flags & HN_IEC_PREFIXES) {
@@ -75,34 +87,32 @@ humanize_number(char *buf, size_t len, int64_t quotient,
 		 * an assertion earlier).
 		 */
 		divisor = 1024;
+		divisordeccut = 973;	/* ceil(.95 * 1024) */
 		if (flags & HN_B)
 			prefixes = "B\0\0Ki\0Mi\0Gi\0Ti\0Pi\0Ei";
 		else
 			prefixes = "\0\0\0Ki\0Mi\0Gi\0Ti\0Pi\0Ei";
 	} else {
 		baselen = 1;
-		if (flags & HN_DIVISOR_1000)
+		if (flags & HN_DIVISOR_1000) {
 			divisor = 1000;
-		else
+			divisordeccut = 950;
+			if (flags & HN_B)
+				prefixes = "B\0\0k\0\0M\0\0G\0\0T\0\0P\0\0E";
+			else
+				prefixes = "\0\0\0k\0\0M\0\0G\0\0T\0\0P\0\0E";
+		} else {
 			divisor = 1024;
-
-		if (flags & HN_B)
-			prefixes = "B\0\0k\0\0M\0\0G\0\0T\0\0P\0\0E";
-		else
-			prefixes = "\0\0\0k\0\0M\0\0G\0\0T\0\0P\0\0E";
+			divisordeccut = 973;	/* ceil(.95 * 1024) */
+			if (flags & HN_B)
+				prefixes = "B\0\0K\0\0M\0\0G\0\0T\0\0P\0\0E";
+			else
+				prefixes = "\0\0\0K\0\0M\0\0G\0\0T\0\0P\0\0E";
+		}
 	}
 
 #define	SCALE2PREFIX(scale)	(&prefixes[(scale) * 3])
 
-	if (scale < 0 || (scale >= maxscale &&
-	    (scale & (HN_AUTOSCALE | HN_GETSCALE)) == 0))
-		return (-1);
-
-	if (buf == NULL || suffix == NULL)
-		return (-1);
-
-	if (len > 0)
-		buf[0] = '\0';
 	if (quotient < 0) {
 		sign = -1;
 		quotient = -quotient;
@@ -134,8 +144,8 @@ humanize_number(char *buf, size_t len, int64_t quotient,
 		 * divide once more.
 		 */
 		for (i = 0;
-		    (quotient >= max || (quotient == max - 1 && remainder >= 950)) &&
-		    i < maxscale; i++) {
+		    (quotient >= max || (quotient == max - 1 &&
+		    remainder >= divisordeccut)) && i < maxscale; i++) {
 			remainder = quotient % divisor;
 			quotient /= divisor;
 		}
@@ -150,20 +160,22 @@ humanize_number(char *buf, size_t len, int64_t quotient,
 	}
 
 	/* If a value <= 9.9 after rounding and ... */
-	if (quotient <= 9 && remainder < 950 && i > 0 && flags & HN_DECIMAL) {
-		/* baselen + \0 + .N */
-		if (len < baselen + 1 + 2)
-			return (-1);
-		s1 = (int)quotient + ((remainder + 50) / 1000);
-		s2 = ((remainder + 50) / 100) % 10;
+	/*
+	 * XXX - should we make sure there is enough space for the decimal
+	 * place and if not, don't do HN_DECIMAL?
+	 */
+	if (((quotient == 9 && remainder < divisordeccut) || quotient < 9) &&
+	    i > 0 && flags & HN_DECIMAL) {
+		s1 = (int)quotient + ((remainder * 10 + divisor / 2) /
+		    divisor / 10);
+		s2 = ((remainder * 10 + divisor / 2) / divisor) % 10;
 		r = snprintf(buf, len, "%d%s%d%s%s%s",
 		    sign * s1, localeconv()->decimal_point, s2,
 		    sep, SCALE2PREFIX(i), suffix);
 	} else
 		r = snprintf(buf, len, "%" PRId64 "%s%s%s",
-		    sign * (quotient + (remainder + 50) / 1000),
+		    sign * (quotient + (remainder + divisor / 2) / divisor),
 		    sep, SCALE2PREFIX(i), suffix);
 
 	return (r);
 }
-
diff --git a/freebsd/lib/libutil/libutil.h b/freebsd/lib/libutil/libutil.h
index 60ba3235..b20ffa29 100644
--- a/freebsd/lib/libutil/libutil.h
+++ b/freebsd/lib/libutil/libutil.h
@@ -102,6 +102,8 @@ struct kinfo_file *
 	kinfo_getfile(pid_t _pid, int *_cntp);
 struct kinfo_vmentry *
 	kinfo_getvmmap(pid_t _pid, int *_cntp);
+struct kinfo_vmobject *
+	kinfo_getvmobject(int *_cntp);
 struct kinfo_proc *
 	kinfo_getallproc(int *_cntp);
 struct kinfo_proc *
@@ -162,16 +164,21 @@ int	pw_tmp(int _mfd);
 #endif
 
 #ifdef _GRP_H_
-int 	gr_copy(int __ffd, int _tfd, const struct group *_gr, struct group *_old_gr);
-struct group *gr_dup(const struct group *gr);
-int	gr_equal(const struct group *gr1, const struct group *gr2);
+int 	gr_copy(int __ffd, int _tfd, const struct group *_gr,
+	    struct group *_old_gr);
+struct group *
+	gr_dup(const struct group *_gr);
+struct group *
+	gr_add(const struct group *_gr, const char *_newmember);
+int	gr_equal(const struct group *_gr1, const struct group *_gr2);
 void	gr_fini(void);
 int	gr_init(const char *_dir, const char *_master);
 int	gr_lock(void);
-char	*gr_make(const struct group *gr);
+char	*gr_make(const struct group *_gr);
 int	gr_mkdb(void);
+struct group *
+	gr_scan(const char *_line);
 int	gr_tmp(int _mdf);
-struct group *gr_scan(const char *line);
 #endif
 
 #ifdef _UFS_UFS_QUOTA_H_