422 lines
10 KiB
C
422 lines
10 KiB
C
/* $NetBSD: perform.c,v 1.40 2004/12/29 11:35:00 agc Exp $ */
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static const char *rcsid = "from FreeBSD Id: perform.c,v 1.38 1997/10/13 15:03:51 jkh Exp";
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#else
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__RCSID("$NetBSD: perform.c,v 1.40 2004/12/29 11:35:00 agc Exp $");
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#endif
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#endif
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 18 July 1993
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*
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* This is the main body of the create module.
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*
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*/
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#include "lib.h"
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#include "create.h"
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#include <err.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <unistd.h>
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static char *Home;
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static void
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make_dist(const char *home, const char *pkg, const char *suffix, const package_t *plist)
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{
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char tball[MaxPathSize];
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const plist_t *p;
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int ret;
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char *args[50]; /* Much more than enough. */
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int nargs = 1;
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int pipefds[2];
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FILE *totar;
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pid_t pid;
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if ((args[0] = strrchr(TAR_CMD, '/')) == NULL)
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args[0] = TAR_CMD;
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else
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args[0]++;
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if (*pkg == '/')
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(void) snprintf(tball, sizeof(tball), "%s.%s", pkg, suffix);
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else
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(void) snprintf(tball, sizeof(tball), "%s/%s.%s", home, pkg, suffix);
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args[nargs++] = "-c";
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args[nargs++] = "-f";
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args[nargs++] = tball;
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if (strstr(suffix, "bz")) {
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args[nargs++] = "--use-compress-program";
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args[nargs++] = "bzip2";
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} else if (strchr(suffix, 'z'))/* Compress/gzip? */
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args[nargs++] = "-z";
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if (Dereference)
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args[nargs++] = "-h";
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if (ExcludeFrom) {
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args[nargs++] = "-X";
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args[nargs++] = ExcludeFrom;
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}
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args[nargs++] = "-T"; /* Take filenames from file instead of args. */
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args[nargs++] = "-"; /* Use stdin for the file. */
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args[nargs] = NULL;
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/* Set up a pipe for passing the filenames, and fork off a tar process. */
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if (pipe(pipefds) == -1) {
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cleanup(0);
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errx(2, "cannot create pipe");
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}
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if ((pid = fork()) == -1) {
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cleanup(0);
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errx(2, "cannot fork process for %s", TAR_CMD);
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}
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if (pid == 0) { /* The child */
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dup2(pipefds[0], 0);
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close(pipefds[0]);
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close(pipefds[1]);
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execvp(TAR_CMD, args);
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cleanup(0);
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errx(2, "failed to execute %s command", TAR_CMD);
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}
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/* Meanwhile, back in the parent process ... */
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close(pipefds[0]);
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if ((totar = fdopen(pipefds[1], "w")) == NULL) {
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cleanup(0);
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errx(2, "fdopen failed");
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}
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fprintf(totar, "%s\n", CONTENTS_FNAME);
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fprintf(totar, "%s\n", COMMENT_FNAME);
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fprintf(totar, "%s\n", DESC_FNAME);
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if (Install) {
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fprintf(totar, "%s\n", INSTALL_FNAME);
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}
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if (DeInstall) {
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fprintf(totar, "%s\n", DEINSTALL_FNAME);
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}
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if (Require) {
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fprintf(totar, "%s\n", REQUIRE_FNAME);
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}
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if (Display) {
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fprintf(totar, "%s\n", DISPLAY_FNAME);
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}
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if (Mtree) {
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fprintf(totar, "%s\n", MTREE_FNAME);
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}
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if (BuildVersion) {
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(void) fprintf(totar, "%s\n", BUILD_VERSION_FNAME);
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}
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if (BuildInfo) {
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(void) fprintf(totar, "%s\n", BUILD_INFO_FNAME);
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}
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if (SizePkg) {
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(void) fprintf(totar, "%s\n", SIZE_PKG_FNAME);
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}
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if (SizeAll) {
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(void) fprintf(totar, "%s\n", SIZE_ALL_FNAME);
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}
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if (Preserve) {
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(void) fprintf(totar, "%s\n", PRESERVE_FNAME);
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}
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if (create_views) {
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(void) fprintf(totar, "%s\n", VIEWS_FNAME);
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}
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for (p = plist->head; p; p = p->next) {
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if (p->type == PLIST_FILE) {
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fprintf(totar, "%s\n", p->name);
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} else if (p->type == PLIST_CWD || p->type == PLIST_SRC) {
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/* XXX let PLIST_SRC override PLIST_CWD */
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if (p->type == PLIST_CWD && p->next != NULL &&
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p->next->type == PLIST_SRC) {
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continue;
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}
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fprintf(totar, "-C\n%s\n", p->name);
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} else if (p->type == PLIST_IGNORE) {
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p = p->next;
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}
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}
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fclose(totar);
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wait(&ret);
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/* assume either signal or bad exit is enough for us */
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if (ret) {
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cleanup(0);
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errx(2, "%s command failed with code %d", TAR_CMD, ret);
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}
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}
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static void
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sanity_check(void)
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{
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if (!Comment) {
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cleanup(0);
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errx(2, "required package comment string is missing (-c comment)");
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}
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if (!Desc) {
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cleanup(0);
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errx(2, "required package description string is missing (-d desc)");
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}
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if (!Contents) {
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cleanup(0);
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errx(2, "required package contents list is missing (-f [-]file)");
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}
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}
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/*
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* Clean up those things that would otherwise hang around
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*/
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void
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cleanup(int sig)
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{
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static int alreadyCleaning;
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void (*oldint) (int);
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void (*oldhup) (int);
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oldint = signal(SIGINT, SIG_IGN);
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oldhup = signal(SIGHUP, SIG_IGN);
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if (!alreadyCleaning) {
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alreadyCleaning = 1;
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if (sig)
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printf("Signal %d received, cleaning up.\n", sig);
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leave_playpen(Home);
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if (sig)
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exit(1);
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}
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signal(SIGINT, oldint);
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signal(SIGHUP, oldhup);
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}
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int
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pkg_perform(lpkg_head_t *pkgs)
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{
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const char *pkg;
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char *cp;
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FILE *pkg_in, *fp;
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package_t plist;
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char *suffix; /* What we tack on to the end of the finished package */
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lpkg_t *lpp;
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char installed[MaxPathSize];
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lpp = TAILQ_FIRST(pkgs);
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pkg = lpp->lp_name; /* Only one arg to create */
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/* Preliminary setup */
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sanity_check();
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if (Verbose && !PlistOnly)
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printf("Creating package %s\n", pkg);
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get_dash_string(&Comment);
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get_dash_string(&Desc);
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if (IS_STDIN(Contents))
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pkg_in = stdin;
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else {
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pkg_in = fopen(Contents, "r");
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if (!pkg_in) {
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cleanup(0);
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errx(2, "unable to open contents file '%s' for input", Contents);
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}
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}
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plist.head = plist.tail = NULL;
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/* Break the package name into base and desired suffix (if any) */
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if ((cp = strrchr(pkg, '.')) != NULL) {
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suffix = cp + 1;
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*cp = '\0';
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} else
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suffix = "tgz";
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/* If a SrcDir override is set, add it now */
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if (SrcDir) {
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if (Verbose && !PlistOnly)
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printf("Using SrcDir value of %s\n", (realprefix) ? realprefix : SrcDir);
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add_plist(&plist, PLIST_SRC, SrcDir);
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}
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/* Stick the dependencies, if any, at the top */
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if (Pkgdeps) {
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if (Verbose && !PlistOnly)
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printf("Registering depends:");
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while (Pkgdeps) {
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cp = strsep(&Pkgdeps, " \t\n");
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if (*cp) {
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if (findmatchingname(_pkgdb_getPKGDB_DIR(), cp, note_whats_installed, installed) > 0) {
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add_plist(&plist, PLIST_BLDDEP, installed);
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}
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add_plist(&plist, PLIST_PKGDEP, cp);
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if (Verbose && !PlistOnly)
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printf(" %s", cp);
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}
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}
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if (Verbose && !PlistOnly)
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printf(".\n");
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}
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/* Put the conflicts directly after the dependencies, if any */
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if (Pkgcfl) {
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if (Verbose && !PlistOnly)
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printf("Registering conflicts:");
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while (Pkgcfl) {
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cp = strsep(&Pkgcfl, " \t\n");
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if (*cp) {
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add_plist(&plist, PLIST_PKGCFL, cp);
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if (Verbose && !PlistOnly)
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printf(" %s", cp);
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}
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}
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if (Verbose && !PlistOnly)
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printf(".\n");
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}
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/* Slurp in the packing list */
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read_plist(&plist, pkg_in);
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if (pkg_in != stdin)
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fclose(pkg_in);
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/* Prefix should override the packing list */
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if (Prefix) {
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delete_plist(&plist, FALSE, PLIST_CWD, NULL);
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add_plist_top(&plist, PLIST_CWD, Prefix);
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}
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/*
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* Run down the list and see if we've named it, if not stick in a name
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* at the top.
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*/
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if (find_plist(&plist, PLIST_NAME) == NULL) {
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add_plist_top(&plist, PLIST_NAME, basename_of(pkg));
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}
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/*
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* We're just here for to dump out a revised plist for the FreeBSD ports
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* hack. It's not a real create in progress.
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*/
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if (PlistOnly) {
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check_list(Home, &plist, basename_of(pkg));
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write_plist(&plist, stdout, realprefix);
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exit(0);
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}
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/* Make a directory to stomp around in */
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Home = make_playpen(PlayPen, PlayPenSize, 0);
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signal(SIGINT, cleanup);
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signal(SIGHUP, cleanup);
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/* Make first "real contents" pass over it */
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check_list(Home, &plist, basename_of(pkg));
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(void) umask(DEF_UMASK);/* make sure gen'ed directories, files
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* don't have group or other write bits. */
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/* Now put the release specific items in */
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add_plist(&plist, PLIST_CWD, ".");
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write_file(COMMENT_FNAME, Comment);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, COMMENT_FNAME);
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write_file(DESC_FNAME, Desc);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DESC_FNAME);
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if (Install) {
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copy_file(Home, Install, INSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, INSTALL_FNAME);
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}
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if (DeInstall) {
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copy_file(Home, DeInstall, DEINSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DEINSTALL_FNAME);
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}
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if (Require) {
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copy_file(Home, Require, REQUIRE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, REQUIRE_FNAME);
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}
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if (Display) {
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copy_file(Home, Display, DISPLAY_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DISPLAY_FNAME);
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add_plist(&plist, PLIST_DISPLAY, DISPLAY_FNAME);
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}
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if (Mtree) {
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copy_file(Home, Mtree, MTREE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, MTREE_FNAME);
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add_plist(&plist, PLIST_MTREE, MTREE_FNAME);
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}
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if (BuildVersion) {
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copy_file(Home, BuildVersion, BUILD_VERSION_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, BUILD_VERSION_FNAME);
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}
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if (BuildInfo) {
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copy_file(Home, BuildInfo, BUILD_INFO_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, BUILD_INFO_FNAME);
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}
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if (SizePkg) {
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copy_file(Home, SizePkg, SIZE_PKG_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, SIZE_PKG_FNAME);
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}
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if (SizeAll) {
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copy_file(Home, SizeAll, SIZE_ALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, SIZE_ALL_FNAME);
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}
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if (Preserve) {
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copy_file(Home, Preserve, PRESERVE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, PRESERVE_FNAME);
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}
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if (create_views) {
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write_file(VIEWS_FNAME, "");
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, VIEWS_FNAME);
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}
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/* Finally, write out the packing list */
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fp = fopen(CONTENTS_FNAME, "w");
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if (!fp) {
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cleanup(0);
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errx(2, "can't open file %s for writing", CONTENTS_FNAME);
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}
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write_plist(&plist, fp, realprefix);
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if (fclose(fp)) {
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cleanup(0);
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errx(2, "error while closing %s", CONTENTS_FNAME);
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}
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/* And stick it into a tar ball */
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make_dist(Home, pkg, suffix, &plist);
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/* Cleanup */
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free(Comment);
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free(Desc);
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free_plist(&plist);
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leave_playpen(Home);
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return TRUE; /* Success */
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}
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