Michael McConville wrote:
> fmt.c contains two functions that are only called by command() in
> print.c. One of them is tiny, too. It seems simpler to have them in
> print.c as statics.
I forgot to mention that I also changed their argument leftp's type from
int to size_t, because that's what it's used as. Probably unnecessary.
> Index: Makefile
> ===================================================================
> RCS file: /cvs/src/bin/ps/Makefile,v
> retrieving revision 1.9
> diff -u -p -r1.9 Makefile
> --- Makefile 16 Jul 2014 19:57:34 -0000 1.9
> +++ Makefile 17 Sep 2015 02:24:50 -0000
> @@ -1,7 +1,7 @@
> # $OpenBSD: Makefile,v 1.9 2014/07/16 19:57:34 okan Exp $
>
> PROG= ps
> -SRCS= fmt.c keyword.c nlist.c print.c ps.c
> +SRCS= keyword.c nlist.c print.c ps.c
> DPADD= ${LIBM} ${LIBKVM}
> LDADD= -lm -lkvm
>
> Index: extern.h
> ===================================================================
> RCS file: /cvs/src/bin/ps/extern.h,v
> retrieving revision 1.17
> diff -u -p -r1.17 extern.h
> --- extern.h 29 Jun 2015 15:03:33 -0000 1.17
> +++ extern.h 17 Sep 2015 02:24:50 -0000
> @@ -48,8 +48,6 @@ void command(const struct kinfo_proc *,
> void cputime(const struct kinfo_proc *, VARENT *);
> int donlist(void);
> void emulname(const struct kinfo_proc *, VARENT *);
> -void fmt_puts(const char *, int *);
> -void fmt_putc(int, int *);
> double getpcpu(const struct kinfo_proc *);
> double getpmem(const struct kinfo_proc *);
> void gname(const struct kinfo_proc *, VARENT *);
> Index: fmt.c
> ===================================================================
> RCS file: fmt.c
> diff -N fmt.c
> --- fmt.c 5 Jan 2015 13:14:24 -0000 1.13
> +++ /dev/null 1 Jan 1970 00:00:00 -0000
> @@ -1,82 +0,0 @@
> -/* $OpenBSD: fmt.c,v 1.13 2015/01/05 13:14:24 tedu Exp $ */
> -
> -/*-
> - * Copyright (c) 1990, 1993, 1994
> - * The Regents of the University of California. All rights reserved.
> - *
> - * Redistribution and use in source and binary forms, with or without
> - * modification, are permitted provided that the following conditions
> - * are met:
> - * 1. Redistributions of source code must retain the above copyright
> - * notice, this list of conditions and the following disclaimer.
> - * 2. Redistributions in binary form must reproduce the above copyright
> - * notice, this list of conditions and the following disclaimer in the
> - * documentation and/or other materials provided with the distribution.
> - * 3. Neither the name of the University nor the names of its contributors
> - * may be used to endorse or promote products derived from this software
> - * without specific prior written permission.
> - *
> - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
> - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
> - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
> - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> - * SUCH DAMAGE.
> - */
> -
> -#include <sys/types.h>
> -#include <sys/resource.h>
> -#include <stdio.h>
> -#include <stdlib.h>
> -#include <string.h>
> -#include <unistd.h>
> -#include <vis.h>
> -#include "ps.h"
> -
> -void
> -fmt_puts(const char *s, int *leftp)
> -{
> - static char *v = NULL;
> - static size_t maxlen = 0;
> - size_t len;
> -
> - if (*leftp == 0)
> - return;
> - len = strlen(s) * 4 + 1;
> - if (len > maxlen) {
> - free(v);
> - maxlen = 0;
> - if (len < getpagesize())
> - len = getpagesize();
> - v = malloc(len);
> - if (v == NULL)
> - return;
> - maxlen = len;
> - }
> - strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
> - if (*leftp != -1) {
> - len = strlen(v);
> - if (len > *leftp) {
> - v[*leftp] = '\0';
> - *leftp = 0;
> - } else
> - *leftp -= len;
> - }
> - printf("%s", v);
> -}
> -
> -void
> -fmt_putc(int c, int *leftp)
> -{
> -
> - if (*leftp == 0)
> - return;
> - if (*leftp != -1)
> - *leftp -= 1;
> - putchar(c);
> -}
> Index: print.c
> ===================================================================
> RCS file: /cvs/src/bin/ps/print.c,v
> retrieving revision 1.62
> diff -u -p -r1.62 print.c
> --- print.c 19 Jul 2015 19:26:00 -0000 1.62
> +++ print.c 17 Sep 2015 02:24:50 -0000
> @@ -49,6 +49,7 @@
> #include <unistd.h>
> #include <limits.h>
> #include <pwd.h>
> +#include <vis.h>
>
> #include "ps.h"
>
> @@ -59,6 +60,49 @@ static char *cmdpart(char *);
>
> #define min(a,b) ((a) < (b) ? (a) : (b))
>
> +static void
> +fmt_puts(const char *s, size_t *leftp)
> +{
> + static char *v = NULL;
> + static size_t maxlen = 0;
> + size_t len;
> +
> + if (*leftp == 0)
> + return;
> + len = strlen(s) * 4 + 1;
> + if (len > maxlen) {
> + free(v);
> + maxlen = 0;
> + if (len < getpagesize())
> + len = getpagesize();
> + v = malloc(len);
> + if (v == NULL)
> + return;
> + maxlen = len;
> + }
> + strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
> + if (*leftp != -1) {
> + len = strlen(v);
> + if (len > *leftp) {
> + v[*leftp] = '\0';
> + *leftp = 0;
> + } else
> + *leftp -= len;
> + }
> + printf("%s", v);
> +}
> +
> +static void
> +fmt_putc(int c, size_t *leftp)
> +{
> +
> + if (*leftp == 0)
> + return;
> + if (*leftp != -1)
> + *leftp -= 1;
> + putchar(c);
> +}
> +
> static char *
> cmdpart(char *arg0)
> {
> @@ -94,7 +138,8 @@ void
> command(const struct kinfo_proc *kp, VARENT *ve)
> {
> VAR *v;
> - int left, wantspace = 0;
> + size_t left;
> + int wantspace = 0;
> char **argv, **p;
>
> v = ve->var;