Author: mckusick
Date: Fri Jan 25 20:07:18 2019
New Revision: 343449
URL: https://svnweb.freebsd.org/changeset/base/343449
Log:
Allow tunefs to include '_' as a legal character in label names
to make it consistent with newfs. Document the legality of '_'
in label names in both tunefs(8) and newfs(8).
PR: 235182
Submitted by: dar...@dons.net.au
Reviewed by: Conrad Meyer
MFC after: 3 days
Sponsored by: Netflix
Modified:
head/sbin/newfs/newfs.8
head/sbin/tunefs/tunefs.8
head/sbin/tunefs/tunefs.c
Modified: head/sbin/newfs/newfs.8
==============================================================================
--- head/sbin/newfs/newfs.8 Fri Jan 25 20:02:55 2019 (r343448)
+++ head/sbin/newfs/newfs.8 Fri Jan 25 20:07:18 2019 (r343449)
@@ -89,6 +89,7 @@ See
for details.
.It Fl L Ar volname
Add a volume label to the new file system.
+Legal characters are alphanumerics and underscores.
.It Fl N
Cause the file system parameters to be printed out
without really creating the file system.
Modified: head/sbin/tunefs/tunefs.8
==============================================================================
--- head/sbin/tunefs/tunefs.8 Fri Jan 25 20:02:55 2019 (r343448)
+++ head/sbin/tunefs/tunefs.8 Fri Jan 25 20:07:18 2019 (r343449)
@@ -112,6 +112,7 @@ By default
sets it to half of the space reserved to minfree.
.It Fl L Ar volname
Add/modify an optional file system volume label.
+Legal characters are alphanumerics and underscores.
.It Fl l Cm enable | disable
Turn on/off MAC multilabel flag.
.It Fl m Ar minfree
Modified: head/sbin/tunefs/tunefs.c
==============================================================================
--- head/sbin/tunefs/tunefs.c Fri Jan 25 20:02:55 2019 (r343448)
+++ head/sbin/tunefs/tunefs.c Fri Jan 25 20:07:18 2019 (r343449)
@@ -189,7 +189,7 @@ main(int argc, char *argv[])
name = "volume label";
Lvalue = optarg;
i = -1;
- while (isalnum(Lvalue[++i]));
+ while (isalnum(Lvalue[++i]) || Lvalue[i] == '_');
if (Lvalue[i] != '\0') {
errx(10,
"bad %s. Valid characters are alphanumerics.",
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