Remove multicall binary structure from OpenRC
This eliminates the need for the selinux-specific wrapper scrript we
were installing in /lib*/rc/{bin,sbin}.
This commit is contained in:
William Hubbs
228
src/rc/do_e.c
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228
src/rc/do_e.c
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@@ -0,0 +1,228 @@
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/*
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* Copyright (c) 2007-2015 The OpenRC Authors.
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* See the Authors file at the top-level directory of this distribution and
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* https://github.com/OpenRC/openrc/blob/master/AUTHORS
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*
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* This file is part of OpenRC. It is subject to the license terms in
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* the LICENSE file found in the top-level directory of this
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* distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
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* This file may not be copied, modified, propagated, or distributed
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* except according to the terms contained in the LICENSE file.
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*/
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#define SYSLOG_NAMES
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#include <sys/types.h>
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#include <sys/time.h>
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#include <errno.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <syslog.h>
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#include <time.h>
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#include <unistd.h>
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#include "einfo.h"
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#include "helpers.h"
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/* usecs to wait while we poll the file existance */
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#define WAIT_INTERVAL 20000000
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const char *applet = NULL;
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static int syslog_decode(char *name, CODE *codetab)
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{
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CODE *c;
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if (isdigit((unsigned char)*name))
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return atoi(name);
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for (c = codetab; c->c_name; c++)
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if (! strcasecmp(name, c->c_name))
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return c->c_val;
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return -1;
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}
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int main(int argc, char **argv)
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{
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int retval = EXIT_SUCCESS;
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int i;
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size_t l = 0;
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char *message = NULL;
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char *p;
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int level = 0;
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struct timespec ts;
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struct timeval stop, now;
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int (*e) (const char *, ...) EINFO_PRINTF(1, 2) = NULL;
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int (*ee) (int, const char *, ...) EINFO_PRINTF(2, 3) = NULL;
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applet = basename_c(argv[0]);
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argc--;
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argv++;
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if (strcmp(applet, "eval_ecolors") == 0) {
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printf("GOOD='%s'\nWARN='%s'\nBAD='%s'\nHILITE='%s'\nBRACKET='%s'\nNORMAL='%s'\n",
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ecolor(ECOLOR_GOOD),
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ecolor(ECOLOR_WARN),
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ecolor(ECOLOR_BAD),
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ecolor(ECOLOR_HILITE),
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ecolor(ECOLOR_BRACKET),
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ecolor(ECOLOR_NORMAL));
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exit(EXIT_SUCCESS);
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}
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if (argc > 0) {
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if (strcmp(applet, "eend") == 0 ||
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strcmp(applet, "ewend") == 0 ||
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strcmp(applet, "veend") == 0 ||
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strcmp(applet, "vweend") == 0 ||
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strcmp(applet, "ewaitfile") == 0)
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{
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errno = 0;
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retval = (int)strtoimax(argv[0], &p, 0);
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if (!p || *p != '\0')
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errno = EINVAL;
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if (errno)
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retval = EXIT_FAILURE;
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else {
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argc--;
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argv++;
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}
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} else if (strcmp(applet, "esyslog") == 0 ||
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strcmp(applet, "elog") == 0) {
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p = strchr(argv[0], '.');
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if (!p ||
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(level = syslog_decode(p + 1, prioritynames)) == -1)
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eerrorx("%s: invalid log level `%s'", applet, argv[0]);
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if (argc < 3)
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eerrorx("%s: not enough arguments", applet);
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unsetenv("EINFO_LOG");
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setenv("EINFO_LOG", argv[1], 1);
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argc -= 2;
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argv += 2;
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}
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}
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if (strcmp(applet, "ewaitfile") == 0) {
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if (errno)
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eerrorx("%s: invalid timeout", applet);
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if (argc == 0)
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eerrorx("%s: not enough arguments", applet);
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gettimeofday(&stop, NULL);
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/* retval stores the timeout */
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stop.tv_sec += retval;
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ts.tv_sec = 0;
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ts.tv_nsec = WAIT_INTERVAL;
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for (i = 0; i < argc; i++) {
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ebeginv("Waiting for %s", argv[i]);
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for (;;) {
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if (exists(argv[i]))
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break;
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if (nanosleep(&ts, NULL) == -1)
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return EXIT_FAILURE;
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gettimeofday(&now, NULL);
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if (retval <= 0)
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continue;
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if (timercmp(&now, &stop, <))
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continue;
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eendv(EXIT_FAILURE,
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"timed out waiting for %s", argv[i]);
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return EXIT_FAILURE;
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}
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eendv(EXIT_SUCCESS, NULL);
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}
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return EXIT_SUCCESS;
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}
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if (argc > 0) {
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for (i = 0; i < argc; i++)
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l += strlen(argv[i]) + 1;
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message = xmalloc(l);
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p = message;
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for (i = 0; i < argc; i++) {
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if (i > 0)
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*p++ = ' ';
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l = strlen(argv[i]);
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memcpy(p, argv[i], l);
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p += l;
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}
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*p = 0;
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}
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if (strcmp(applet, "einfo") == 0)
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e = einfo;
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else if (strcmp(applet, "einfon") == 0)
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e = einfon;
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else if (strcmp(applet, "ewarn") == 0)
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e = ewarn;
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else if (strcmp(applet, "ewarnn") == 0)
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e = ewarnn;
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else if (strcmp(applet, "eerror") == 0) {
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e = eerror;
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retval = 1;
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} else if (strcmp(applet, "eerrorn") == 0) {
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e = eerrorn;
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retval = 1;
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} else if (strcmp(applet, "ebegin") == 0)
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e = ebegin;
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else if (strcmp(applet, "eend") == 0)
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ee = eend;
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else if (strcmp(applet, "ewend") == 0)
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ee = ewend;
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else if (strcmp(applet, "esyslog") == 0) {
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elog(retval, "%s", message);
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retval = 0;
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} else if (strcmp(applet, "veinfo") == 0)
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e = einfov;
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else if (strcmp(applet, "veinfon") == 0)
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e = einfovn;
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else if (strcmp(applet, "vewarn") == 0)
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e = ewarnv;
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else if (strcmp(applet, "vewarnn") == 0)
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e = ewarnvn;
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else if (strcmp(applet, "vebegin") == 0)
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e = ebeginv;
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else if (strcmp(applet, "veend") == 0)
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ee = eendv;
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else if (strcmp(applet, "vewend") == 0)
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ee = ewendv;
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else if (strcmp(applet, "eindent") == 0)
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eindent();
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else if (strcmp(applet, "eoutdent") == 0)
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eoutdent();
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else if (strcmp(applet, "veindent") == 0)
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eindentv();
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else if (strcmp(applet, "veoutdent") == 0)
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eoutdentv();
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else {
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eerror("%s: unknown applet", applet);
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retval = EXIT_FAILURE;
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}
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if (message) {
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if (e)
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e("%s", message);
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else if (ee)
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ee(retval, "%s", message);
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} else {
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if (e)
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e(NULL);
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else if (ee)
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ee(retval, NULL);
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}
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free(message);
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return retval;
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}
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