3 .\" The contents of this file are subject to the terms of the
4 .\" Common Development and Distribution License (the "License").
5 .\" You may not use this file except in compliance with the License.
7 .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
8 .\" or http://www.opensolaris.org/os/licensing.
9 .\" See the License for the specific language governing permissions
10 .\" and limitations under the License.
12 .\" When distributing Covered Code, include this CDDL HEADER in each
13 .\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
14 .\" If applicable, add the following below this CDDL HEADER, with the
15 .\" fields enclosed by brackets "[]" replaced with your own identifying
16 .\" information: Portions Copyright [yyyy] [name of copyright owner]
20 .\" Copyright 2008 Sun Microsystems, Inc. All rights reserved.
21 .\" Use is subject to license terms.
23 .TH HDRCHK 1ONBLD "Jul 02, 2008"
25 hdrchk \- check that header files conform to ON standards
28 \fBhdrchk\fR [\fB-a\fP] \fIfile\fR [\fIfile ...\fR]\fP
33 verifies that C header files (*.h) conform to the standards of the ON
35 See HEADER STANDARDS for details.
39 Apply (more lenient) application header rules.
42 Standards for all header files:
45 Begin with a comment containing a copyright message.
48 Enclosed in a guard of the form:
57 The preferred form is without the bang character, but either is
62 Has a valid ident declaration.
64 Additional standards for system header files:
67 The file guard must take the form '_\fBFILENAME\fP_H[_]', where
68 \fBFILENAME\fP matches the basename of the file.
69 If it is installed in a subdirectory, it should be of the
70 form '_\fBDIR\fP_\fBFILENAME\fP_H[_]', though this is not currently enforced.
71 The form without the trailing underscore is preferred in both cases.
74 All #include directives must use the <> form.
77 If the header file contains anything besides comments and preprocessor
78 directives, then it must be enclosed in a C++ guard of the form: