Retire dialog

This is the last remaining piece of GPL software in the base system.
The installer transitioned to bsddialog four years ago, and the last
remaining dialog consumer, dpv, was turned off more than two years ago.
Retire dpv, libdpv, libfigpar (used only by dpv), and dialog itself.

Reviewed by:	dteske
Differential Revision:	https://reviews.freebsd.org/D55424

1 files changed, 0 insertions, 104 deletions

diff --git a/lib/libdpv/util.c b/lib/libdpv/util.c
deleted file mode 100644
index 4b2393b45821..000000000000
--- a/lib/libdpv/util.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*-
- * Copyright (c) 2013-2018 Devin Teske <dteske@FreeBSD.org>
- * 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.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/cdefs.h>
-#include <err.h>
-#include <limits.h>
-#include <spawn.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "util.h"
-
-extern char **environ;
-static char cmdbuf[CMDBUFMAX]	= "";
-static char shellcmd[PATH_MAX]	= PATH_SHELL;
-static char *shellcmd_argv[6]	= {
-	shellcmd,
-	__DECONST(char *, "-c"),
-	cmdbuf,
-	__DECONST(char *, "--"),
-	shellcmd,
-	NULL,
-};
-
-/*
- * Spawn a sh(1) command. Writes the resulting process ID to the pid_t pointed
- * at by `pid'. Returns a file descriptor (int) suitable for writing data to
- * the spawned command (data written to file descriptor is seen as standard-in
- * by the spawned sh(1) command). Returns `-1' if unable to spawn command.
- *
- * If cmd contains a single "%s" sequence, replace it with label if non-NULL.
- */
-int
-shell_spawn_pipecmd(const char *cmd, const char *label, pid_t *pid)
-{
-	int error;
-	int len;
-	posix_spawn_file_actions_t action;
-#if SHELL_SPAWN_DEBUG
-	unsigned int i;
-#endif
-	int stdin_pipe[2] = { -1, -1 };
-
-	/* Populate argument array */
-	if (label != NULL && fmtcheck(cmd, "%s") == cmd)
-		len = snprintf(cmdbuf, CMDBUFMAX, cmd, label);
-	else
-		len = snprintf(cmdbuf, CMDBUFMAX, "%s", cmd);
-	if (len >= CMDBUFMAX) {
-		warnx("%s:%d:%s: cmdbuf[%u] too small to hold cmd argument",
-		    __FILE__, __LINE__, __func__, CMDBUFMAX);
-		return (-1);
-	}
-
-	/* Open a pipe to communicate with [X]dialog(1) */
-	if (pipe(stdin_pipe) < 0)
-		err(EXIT_FAILURE, "%s: pipe(2)", __func__);
-
-	/* Fork sh(1) process */
-#if SHELL_SPAWN_DEBUG
-	fprintf(stderr, "%s: spawning `", __func__);
-	for (i = 0; shellcmd_argv[i] != NULL; i++) {
-		if (i == 0)
-			fprintf(stderr, "%s", shellcmd_argv[i]);
-		else if (i == 2)
-			fprintf(stderr, " '%s'", shellcmd_argv[i]);
-		else
-			fprintf(stderr, " %s", shellcmd_argv[i]);
-	}
-	fprintf(stderr, "'\n");
-#endif
-	posix_spawn_file_actions_init(&action);
-	posix_spawn_file_actions_adddup2(&action, stdin_pipe[0], STDIN_FILENO);
-	posix_spawn_file_actions_addclose(&action, stdin_pipe[1]);
-	error = posix_spawnp(pid, shellcmd, &action,
-	    (const posix_spawnattr_t *)NULL, shellcmd_argv, environ);
-	if (error != 0) err(EXIT_FAILURE, "%s", shellcmd);
-
-	return stdin_pipe[1];
-}