Module Name:src
Committed By: martin
Date: Sun Mar 10 19:03:30 UTC 2024
Modified Files:
src/usr.bin/getconf [netbsd-10]: getconf.1 getconf.c
Log Message:
Pull up following revision(s) (requested by riastradh in ticket #617):
usr.bin/getconf/getconf.c: revision 1.37
usr.bin/getconf/getconf.1: revision 1.14
PR/57875: Jason Bacon: Try again without an _ for portability.
getconf.1: Note that leading underscores in configuration
variable names are ignored by getconf(1).
While here, add a section with examples, and make the synopsis
more concise.
PR bin/57875
To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.13.34.1 src/usr.bin/getconf/getconf.1
cvs rdiff -u -r1.35 -r1.35.36.1 src/usr.bin/getconf/getconf.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/getconf/getconf.1
diff -u src/usr.bin/getconf/getconf.1:1.13 src/usr.bin/getconf/getconf.1:1.13.34.1
--- src/usr.bin/getconf/getconf.1:1.13 Sun Apr 13 01:45:34 2014
+++ src/usr.bin/getconf/getconf.1 Sun Mar 10 19:03:30 2024
@@ -1,4 +1,4 @@
-.\" $NetBSD: getconf.1,v 1.13 2014/04/13 01:45:34 snj Exp $
+.\" $NetBSD: getconf.1,v 1.13.34.1 2024/03/10 19:03:30 martin Exp $
.\"
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -27,7 +27,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd August 9, 2011
+.Dd February 18, 2024
.Dt GETCONF 1
.Os
.Sh NAME
@@ -37,13 +37,10 @@
.Nm
.Ar system_var
.Nm
-.Fl a
-.Nm
.Ar path_var
.Ar pathname
.Nm
-.Fl a
-.Ar pathname
+.Fl a Op Ar pathname
.Sh DESCRIPTION
The
.Nm
@@ -80,8 +77,28 @@ standard output, in the format
=
.Va value
.Dc .
+.Pp
+For compatibility with other operating systems,
+.Nm
+will ignore leading underscores in the names specified in the
+.Ar system_var
+and
+.Ar path_var
+arguments.
.Sh EXIT STATUS
.Ex -std
+.Sh EXAMPLES
+To retrieve the number of configured processors, use:
+.Bd -literal -offset indent
+$ getconf NPROCESSORS_CONF
+.Ed
+.Pp
+To retrieve the maximum number of bytes (excluding the trailing
+.Dv NUL )
+for a filename in the current directory, use:
+.Bd -literal -offset indent
+$ getconf NAME_MAX .
+.Ed
.Sh SEE ALSO
.Xr pathconf 2 ,
.Xr confstr 3 ,
Index: src/usr.bin/getconf/getconf.c
diff -u src/usr.bin/getconf/getconf.c:1.35 src/usr.bin/getconf/getconf.c:1.35.36.1
--- src/usr.bin/getconf/getconf.c:1.35 Thu Dec 19 19:11:50 2013
+++ src/usr.bin/getconf/getconf.c Sun Mar 10 19:03:30 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: getconf.c,v 1.35 2013/12/19 19:11:50 rmind Exp $ */
+/* $NetBSD: getconf.c,v 1.35.36.1 2024/03/10 19:03:30 martin Exp $ */
/*-
* Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
#include
#ifndef lint
-__RCSID("$NetBSD: getconf.c,v 1.35 2013/12/19 19:11:50 rmind Exp $");
+__RCSID("$NetBSD: getconf.c,v 1.35.36.1 2024/03/10 19:03:30 martin Exp $");
#endif /* not lint */
#include
@@ -193,7 +193,7 @@ main(int argc, char **argv)
{
int ch;
const struct conf_variable *cp;
- const char *varname, *pathname;
+ const char *varname, *pathname, *vn;
int found;
setprogname(argv[0]);
@@ -226,8 +226,10 @@ main(int argc, char **argv)
pathname = argv[0]; /* may be NULL */
found = 0;
+ vn = varname;
+again:
for (cp = conf_table; cp->name != NULL; cp++) {
- if (a_flag || strcmp(varname, cp->name) == 0) {
+ if (a_flag || strcmp(vn, cp->name) == 0) {
/*LINTED weird expression*/
if ((cp->type == PATHCONF) == (pathname != NULL)) {
printvar(cp, pathname);
@@ -238,8 +240,11 @@ main(int argc, char **argv)
}
}
- if (!a_flag && !found)
+ if (!a_flag && !found) {
+ if (*vn++ == '_')
+ goto again;
errx(EXIT_FAILURE, "%s: unknown variable", varname);
+ }
(void)fflush(stdout);
return ferror(stdout) ? EXIT_FAILURE : EXIT_SUCCESS;
