chgrp: Update program usage and manpage

-h is incompatible with -R so handle that properly as well.
This commit is contained in:
sin 2015-02-16 16:30:43 +00:00
parent 8f068589fb
commit 1d05b293e1
2 changed files with 18 additions and 13 deletions

21
chgrp.1
View File

@ -6,20 +6,25 @@
.Nd change the file group ownership .Nd change the file group ownership
.Sh SYNOPSIS .Sh SYNOPSIS
.Nm .Nm
.Op Fl R .Op Fl h
.Op Fl H .Oo
.Op Fl L .Fl R
.Op Fl P .Op Fl H | L | P
.Ar groupname .Oc
.Op Ar file... .Ar group
.Ar file...
.Sh DESCRIPTION .Sh DESCRIPTION
.Nm .Nm
sets the group id of the files specified by sets the group id of the files specified by
.Ar file .Ar file
to the gid of the group named to the gid of the group named
.Ar group. .Ar group .
.Sh OPTIONS .Sh OPTIONS
.Bl -tag -width Ds .Bl -tag -width Ds
.It Fl h
Change the group ID of the symlink itself. This flag cannot be used
with
.Op Fl R .
.It Fl R .It Fl R
Change file group ownership recursively. Change file group ownership recursively.
.It Fl H .It Fl H
@ -42,4 +47,4 @@ The
.Nm .Nm
utility is compliant with the utility is compliant with the
.St -p1003.1-2008 .St -p1003.1-2008
specification except from the -h flag. specification.

10
chgrp.c
View File

@ -9,7 +9,7 @@
static int gid; static int gid;
static int status; static int status;
static int rflag; static int Rflag;
static int fflag = 'P'; static int fflag = 'P';
static struct stat st; static struct stat st;
static char *chown_f_name = "chown"; static char *chown_f_name = "chown";
@ -22,14 +22,14 @@ chgrp(const char *path, int fflag)
weprintf("%s %s:", chown_f_name, path); weprintf("%s %s:", chown_f_name, path);
status = 1; status = 1;
} }
if (rflag) if (Rflag)
recurse(path, chgrp, fflag); recurse(path, chgrp, fflag);
} }
static void static void
usage(void) usage(void)
{ {
eprintf("usage: chgrp [-hR] groupname file...\n"); eprintf("usage: chgrp [-h] [-R [-H | -L | -P]] group file ...\n");
} }
int int
@ -43,7 +43,7 @@ main(int argc, char *argv[])
chown_f = lchown; chown_f = lchown;
break; break;
case 'R': case 'R':
rflag = 1; Rflag = 1;
break; break;
case 'H': case 'H':
case 'L': case 'L':
@ -54,7 +54,7 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
if (argc < 2) if (argc < 2 || (chown_f == lchown && Rflag))
usage(); usage();
errno = 0; errno = 0;