[src/trunk]: src/usr.bin/man Constify some more.

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

details:   https://anonhg.NetBSD.org/src/rev/9b0280d68389
branches:  trunk
changeset: 788765:9b0280d68389
user:      uwe <uwe%NetBSD.org@localhost>
date:      Fri Jul 19 05:05:59 2013 +0000

description:
Constify some more.

diffstat:

 usr.bin/man/man.c |  22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)

diffs (77 lines):

diff -r 662856adb3f4 -r 9b0280d68389 usr.bin/man/man.c
--- a/usr.bin/man/man.c Fri Jul 19 04:59:46 2013 +0000
+++ b/usr.bin/man/man.c Fri Jul 19 05:05:59 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: man.c,v 1.54 2013/07/19 04:59:46 uwe Exp $     */
+/*     $NetBSD: man.c,v 1.55 2013/07/19 05:05:59 uwe Exp $     */
 
 /*
  * Copyright (c) 1987, 1993, 1994, 1995
@@ -40,7 +40,7 @@
 #if 0
 static char sccsid[] = "@(#)man.c      8.17 (Berkeley) 1/31/95";
 #else
-__RCSID("$NetBSD: man.c,v 1.54 2013/07/19 04:59:46 uwe Exp $");
+__RCSID("$NetBSD: man.c,v 1.55 2013/07/19 05:05:59 uwe Exp $");
 #endif
 #endif /* not lint */
 
@@ -109,11 +109,11 @@
 /*
  * prototypes
  */
-static void     build_page(char *, char **, struct manstate *);
-static void     cat(char *);
+static void     build_page(const char *, char **, struct manstate *);
+static void     cat(const char *);
 static const char      *check_pager(const char *);
 static int      cleanup(void);
-static void     how(char *);
+static void     how(const char *);
 static void     jump(char **, const char *, const char *);
 static int      manual(char *, struct manstate *, glob_t *);
 static void     onsig(int);
@@ -470,7 +470,8 @@
 {
        ENTRY *suffix;
        int found;
-       char *p, buf[MAXPATHLEN];
+       char buf[MAXPATHLEN];
+       const char *p;
        int suflen;
 
        found = 0;
@@ -696,7 +697,7 @@
  *     Build a man page for display.
  */
 static void
-build_page(char *fmt, char **pathp, struct manstate *mp)
+build_page(const char *fmt, char **pathp, struct manstate *mp)
 {
        static int warned;
        int olddir, fd, n;
@@ -793,12 +794,13 @@
  *     display how information
  */
 static void
-how(char *fname)
+how(const char *fname)
 {
        FILE *fp;
 
        int lcnt, print;
-       char *p, buf[256];
+       char buf[256];
+       const char *p;
 
        if (!(fp = fopen(fname, "r"))) {
                warn("%s", fname);
@@ -840,7 +842,7 @@
  *     cat out the file
  */
 static void
-cat(char *fname)
+cat(const char *fname)
 {
        int fd;
        ssize_t n;