Module Name:    src
Committed By:   martin
Date:           Tue Mar 26 14:55:02 UTC 2019

Modified Files:
        src/sbin/gpt: gpt.8 unset.c

Log Message:
Allow -b to specify a partition for "gpt unset" as well.


To generate a diff of this commit:
cvs rdiff -u -r1.66 -r1.67 src/sbin/gpt/gpt.8
cvs rdiff -u -r1.14 -r1.15 src/sbin/gpt/unset.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sbin/gpt/gpt.8
diff -u src/sbin/gpt/gpt.8:1.66 src/sbin/gpt/gpt.8:1.67
--- src/sbin/gpt/gpt.8:1.66	Mon Mar 25 20:15:49 2019
+++ src/sbin/gpt/gpt.8	Tue Mar 26 14:55:02 2019
@@ -1,4 +1,4 @@
-.\" $NetBSD: gpt.8,v 1.66 2019/03/25 20:15:49 martin Exp $
+.\" $NetBSD: gpt.8,v 1.67 2019/03/26 14:55:02 martin Exp $
 .\"
 .\" Copyright (c) 2002 Marcel Moolenaar
 .\" All rights reserved.
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD: src/sbin/gpt/gpt.8,v 1.17 2006/06/22 22:22:32 marcel Exp $
 .\"
-.Dd March 25, 2019
+.Dd March 26, 2019
 .Dt GPT 8
 .Os
 .Sh NAME
@@ -653,7 +653,7 @@ The
 .Fl l
 flag lists available types.
 .\" ==== unset ====
-.It Nm Ic unset Fl a Ar attribute Fl i Ar index
+.It Nm Ic unset Fl a Ar attribute Oo Fl i Ar index Oc Oo Fl b Ar startsec Oc
 .It Nm Ic unset Fl l
 The
 .Ic unset
@@ -664,8 +664,11 @@ flag lists all available attributes.
 The
 .Fl a
 option specifies which attributes to unset and may be specified more than once.
+Alternatively a comma separated list of attributes can be used.
 The
 .Fl i
+or the
+.Fl b
 option specifies which entry to update.
 The possible attributes are
 .Do biosboot Dc ,

Index: src/sbin/gpt/unset.c
diff -u src/sbin/gpt/unset.c:1.14 src/sbin/gpt/unset.c:1.15
--- src/sbin/gpt/unset.c:1.14	Mon Mar 19 09:06:20 2018
+++ src/sbin/gpt/unset.c	Tue Mar 26 14:55:02 2019
@@ -33,7 +33,7 @@
 __FBSDID("$FreeBSD: src/sbin/gpt/add.c,v 1.14 2006/06/22 22:05:28 marcel Exp $");
 #endif
 #ifdef __RCSID
-__RCSID("$NetBSD: unset.c,v 1.14 2018/03/19 09:06:20 mlelstv Exp $");
+__RCSID("$NetBSD: unset.c,v 1.15 2019/03/26 14:55:02 martin Exp $");
 #endif
 
 #include <sys/types.h>
@@ -53,6 +53,7 @@ static int cmd_unset(gpt_t, int, char *[
 
 static const char *unsethelp[] = {
 	"-a attribute -i index",
+	"-a attribute -b startsec",
 	"-l",
 };
 
@@ -71,13 +72,19 @@ cmd_unset(gpt_t gpt, int argc, char *arg
 	int ch;
 	unsigned int entry = 0;
 	uint64_t attributes = 0;
+	off_t start = 0;
+	map_t m;
 
-	while ((ch = getopt(argc, argv, "a:i:l")) != -1) {
+	while ((ch = getopt(argc, argv, "a:b:i:l")) != -1) {
 		switch(ch) {
 		case 'a':
 			if (gpt == NULL || gpt_attr_get(gpt, &attributes) == -1)
 				return usage();
 			break;
+		case 'b':
+			if (gpt == NULL || gpt_human_get(gpt, &start) == -1)
+				return usage();
+			break;
 		case 'i':
 			if (gpt == NULL || gpt_uint_get(gpt, &entry) == -1)
 				return usage();
@@ -90,6 +97,18 @@ cmd_unset(gpt_t gpt, int argc, char *arg
 		}
 	}
 
+	if (start > 0) {
+		for (m = map_first(gpt); m != NULL; m = m->map_next) {
+			if (m->map_type != MAP_TYPE_GPT_PART ||
+			    m->map_index < 1)
+				continue;
+			if (start != m->map_start)
+				continue;
+			entry = m->map_index;
+			break;
+		}
+	}
+
 	if (gpt == NULL || argc != optind)
 		return usage();
 

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