[src/trunk]: src/usr.sbin/pkg_install/lib add some comments.

[yamt <yamt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/619ee7200973
branches:  trunk
changeset: 535001:619ee7200973
user:      yamt <yamt%NetBSD.org@localhost>
date:      Thu Aug 08 00:17:39 2002 +0000

description:
add some comments.

diffstat:

 usr.sbin/pkg_install/lib/path.c |  18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)

diffs (53 lines):

diff -r e1cf1cd9e86d -r 619ee7200973 usr.sbin/pkg_install/lib/path.c
--- a/usr.sbin/pkg_install/lib/path.c   Thu Aug 08 00:15:32 2002 +0000
+++ b/usr.sbin/pkg_install/lib/path.c   Thu Aug 08 00:17:39 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: path.c,v 1.1 2002/07/19 19:04:40 yamt Exp $    */
+/*     $NetBSD: path.c,v 1.2 2002/08/08 00:17:39 yamt Exp $    */
 
 /*-
  * Copyright (c)2002 YAMAMOTO Takashi,
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: path.c,v 1.1 2002/07/19 19:04:40 yamt Exp $");
+__RCSID("$NetBSD: path.c,v 1.2 2002/08/08 00:17:39 yamt Exp $");
 #endif
 
 #include <err.h>
@@ -37,6 +37,12 @@
 
 struct pathhead PkgPath = TAILQ_HEAD_INITIALIZER(PkgPath);
 
+/*
+ * path_create: make PkgPath from a given string.
+ *
+ * => relative pathes are resolved to absolute ones.
+ * => if NULL is passed, use "." instead. XXX
+ */
 void
 path_create(const char *path)
 {
@@ -99,6 +105,9 @@
        }
 }
 
+/*
+ * path_free: free PkgPath.
+ */
 void
 path_free()
 {
@@ -111,6 +120,11 @@
        }
 }
 
+/*
+ * path_setenv: construct string from PkgPath and set it to a environment.
+ *
+ * => the environment name is given by envname.
+ */
 void
 path_setenv(const char *envname)
 {