diff --git a/lib/iolog/regress/iolog_path/check_iolog_path.c b/lib/iolog/regress/iolog_path/check_iolog_path.c
index 11f77d444..4e5dc683c 100644
--- a/lib/iolog/regress/iolog_path/check_iolog_path.c
+++ b/lib/iolog/regress/iolog_path/check_iolog_path.c
@@ -54,7 +54,7 @@ static void
 usage(void)
 {
     fprintf(stderr, "usage: %s datafile\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 static void
diff --git a/lib/util/mksiglist.c b/lib/util/mksiglist.c
index 0c5b27a49..122200cbd 100644
--- a/lib/util/mksiglist.c
+++ b/lib/util/mksiglist.c
@@ -56,5 +56,5 @@ main(int argc, char *argv[])
     }
     printf("};\n");
 
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/lib/util/mksigname.c b/lib/util/mksigname.c
index 32e3e17a0..8693fe882 100644
--- a/lib/util/mksigname.c
+++ b/lib/util/mksigname.c
@@ -56,5 +56,5 @@ main(int argc, char *argv[])
     }
     printf("};\n");
 
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/lib/util/regress/fnmatch/fnm_test.c b/lib/util/regress/fnmatch/fnm_test.c
index a70a84786..85589d1c5 100644
--- a/lib/util/regress/fnmatch/fnm_test.c
+++ b/lib/util/regress/fnmatch/fnm_test.c
@@ -39,7 +39,7 @@ main(int argc, char *argv[])
 	if (argc > 1) {
 		if ((fp = fopen(argv[1], "r")) == NULL) {
 			perror(argv[1]);
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 	}
 
diff --git a/lib/util/regress/getdelim/getdelim_test.c b/lib/util/regress/getdelim/getdelim_test.c
index 7c399ddcf..b813c451e 100644
--- a/lib/util/regress/getdelim/getdelim_test.c
+++ b/lib/util/regress/getdelim/getdelim_test.c
@@ -87,7 +87,7 @@ runtests(char **buf, size_t *buflen)
 		sudo_warn_nodebug("send");
 		_exit(127);
 	    }
-	    _exit(0);
+	    _exit(EXIT_SUCCESS);
 	    break;
 	default:
 	    /* parent */
diff --git a/lib/util/regress/glob/globtest.c b/lib/util/regress/glob/globtest.c
index 99859f0ba..707af613a 100644
--- a/lib/util/regress/glob/globtest.c
+++ b/lib/util/regress/glob/globtest.c
@@ -51,7 +51,7 @@ main(int argc, char **argv)
 	if (argc > 1) {
 		if ((fp = fopen(argv[1], "r")) == NULL) {
 			perror(argv[1]);
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 	}
 
@@ -74,7 +74,7 @@ main(int argc, char **argv)
 			if (buf[len - 1] != '\n') {
 				fprintf(stderr,
 				    "globtest: missing newline at EOF\n");
-				exit(1);
+				exit(EXIT_FAILURE);
 			}
 			buf[--len] = '\0';
 		}
@@ -93,14 +93,14 @@ main(int argc, char **argv)
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(1);
+				exit(EXIT_FAILURE);
 			}
 			len = cp - buf - 1;
 			if (len >= sizeof(entry.pattern)) {
 				fprintf(stderr,
 				    "globtest: pattern too big on line %d\n",
 				    lineno);
-				exit(1);
+				exit(EXIT_FAILURE);
 			}
 			memcpy(entry.pattern, buf + 1, len);
 			entry.pattern[len] = '\0';
@@ -110,14 +110,14 @@ main(int argc, char **argv)
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(1);
+				exit(EXIT_FAILURE);
 			}
 			ep = strchr(cp, '>');
 			if (ep == NULL) {
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(1);
+				exit(EXIT_FAILURE);
 			}
 			*ep = '\0';
 			entry.flags = 0;
@@ -144,7 +144,7 @@ main(int argc, char **argv)
 					fprintf(stderr,
 					    "globtest: invalid flags on line %d\n",
 					    lineno);
-					exit(1);
+					exit(EXIT_FAILURE);
 				}
 			}
 			entry.nresults = 0;
@@ -153,14 +153,14 @@ main(int argc, char **argv)
 		if (!entry.pattern[0]) {
 			fprintf(stderr, "globtest: missing entry on line %d\n",
 			    lineno);
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 
 		if (entry.nresults + 1 > MAX_RESULTS) {
 			fprintf(stderr,
 			    "globtest: too many results for %s, max %d\n",
 			    entry.pattern, MAX_RESULTS);
-			exit(1);
+			exit(EXIT_FAILURE);
 		}
 		entry.results[entry.nresults++] = strdup(buf);
 	}
@@ -185,7 +185,7 @@ int test_glob(struct gl_entry *entry)
 	if (glob(entry->pattern, entry->flags, NULL, &gl) != 0) {
 		fprintf(stderr, "glob failed: %s: %s\n", entry->pattern,
 		    strerror(errno));
-		exit(1);
+		exit(EXIT_FAILURE);
 	}
 
 	for (ap = gl.gl_pathv; *ap != NULL; ap++)
diff --git a/lib/util/regress/parse_gids/parse_gids_test.c b/lib/util/regress/parse_gids/parse_gids_test.c
index efe7f6d29..9c16bbfdd 100644
--- a/lib/util/regress/parse_gids/parse_gids_test.c
+++ b/lib/util/regress/parse_gids/parse_gids_test.c
@@ -87,7 +87,7 @@ main(int argc, char *argv[])
 	free(gidlist);
 	ngids = sudo_parse_gids(test_data[i].gids, test_data[i].baseptr, &gidlist);
 	if (ngids == -1)
-	    exit(1);	/* out of memory? */
+	    exit(EXIT_FAILURE);	/* out of memory? */
 	ntests++;
 	if (ngids != test_data[i].ngids) {
 	    sudo_warnx_nodebug("test #%d: expected %d gids, got %d",
diff --git a/lib/util/regress/progname/progname_test.c b/lib/util/regress/progname/progname_test.c
index 4e99feb55..34cb3c95d 100644
--- a/lib/util/regress/progname/progname_test.c
+++ b/lib/util/regress/progname/progname_test.c
@@ -60,8 +60,8 @@ main(int argc, char *argv[])
     if (strcmp(getprogname(), progbase) != 0) {
 	printf("%s: FAIL: incorrect program name \"%s\"\n",
 	    progbase, getprogname());
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/lib/util/regress/sudo_parseln/parseln_test.c b/lib/util/regress/sudo_parseln/parseln_test.c
index 68d984b26..ecf9d3d9c 100644
--- a/lib/util/regress/sudo_parseln/parseln_test.c
+++ b/lib/util/regress/sudo_parseln/parseln_test.c
@@ -56,5 +56,5 @@ main(int argc, char *argv[])
     while (sudo_parseln(&line, &linesize, &lineno, stdin, 0) != -1)
 	printf("%6u\t%s\n", lineno, line);
     free(line);
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/logsrvd/logsrvd.c b/logsrvd/logsrvd.c
index d2f003a3f..14443cc00 100644
--- a/logsrvd/logsrvd.c
+++ b/logsrvd/logsrvd.c
@@ -1604,7 +1604,7 @@ daemonize(bool nofork)
 	    break;
 	default:
 	    /* parent, exit */
-	    _exit(0);
+	    _exit(EXIT_SUCCESS);
 	}
     }
 
@@ -1627,7 +1627,7 @@ usage(bool fatal)
     fprintf(stderr, "usage: %s [-n] [-f conf_file] [-R percentage]\n",
 	getprogname());
     if (fatal)
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 static void
@@ -1642,7 +1642,7 @@ help(void)
 	"  -n, --no-fork            do not fork, run in the foreground\n"
 	"  -R, --random-drop        percent chance connections will drop\n"
 	"  -V, --version            display version information and exit\n"));
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 
 static const char short_opts[] = "f:hnR:V";
diff --git a/logsrvd/sendlog.c b/logsrvd/sendlog.c
index 04e2325ea..d78a139ac 100644
--- a/logsrvd/sendlog.c
+++ b/logsrvd/sendlog.c
@@ -104,7 +104,7 @@ usage(bool fatal)
     fprintf(stderr, "usage: %s [-h host] [-i iolog-id] [-p port] "
 #endif
 	"[-r restart-point] /path/to/iolog\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 static void
@@ -126,7 +126,7 @@ help(void)
 	"  -k, --key                private key file\n"
 #endif
 	"  -V, --version            display version information and exit\n"));
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 
 #if defined(HAVE_OPENSSL)
diff --git a/plugins/group_file/plugin_test.c b/plugins/group_file/plugin_test.c
index 947836209..dba784c23 100644
--- a/plugins/group_file/plugin_test.c
+++ b/plugins/group_file/plugin_test.c
@@ -175,7 +175,7 @@ usage(void)
 {
     fprintf(stderr,
 	"usage: plugin_test [-p \"plugin.so plugin_args ...\"] user:group ...\n");
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 int
@@ -203,7 +203,7 @@ main(int argc, char *argv[])
 
     if (group_plugin_load(plugin) != 1) {
 	fprintf(stderr, "unable to load plugin: %s\n", plugin);
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     for (i = 0; argv[i] != NULL; i++) {
@@ -218,6 +218,6 @@ main(int argc, char *argv[])
     }
     group_plugin_unload();
 
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 
diff --git a/plugins/sudoers/cvtsudoers.c b/plugins/sudoers/cvtsudoers.c
index c6e2a06da..d8164abd5 100644
--- a/plugins/sudoers/cvtsudoers.c
+++ b/plugins/sudoers/cvtsudoers.c
@@ -1310,7 +1310,7 @@ usage(int fatal)
 	"[-I increment] [-m filter] [-o output_file] [-O start_point] "
 	"[-P padding] [-s sections] [input_file]\n", getprogname());
     if (fatal)
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 static void
@@ -1335,5 +1335,5 @@ help(void)
 	"  -P, --padding=num          base padding for sudoOrder increment\n"
 	"  -s, --suppress=sections    suppress output of certain sections\n"
 	"  -V, --version              display version information and exit"));
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/plugins/sudoers/logging.c b/plugins/sudoers/logging.c
index 643ea9828..92229ea56 100644
--- a/plugins/sudoers/logging.c
+++ b/plugins/sudoers/logging.c
@@ -801,14 +801,14 @@ send_mail(const char *fmt, ...)
 		    sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to fork: %s",
 			strerror(errno));
 		    sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
-		    _exit(1);
+		    _exit(EXIT_FAILURE);
 		case 0:
 		    /* Grandchild continues below. */
 		    sudo_debug_enter(__func__, __FILE__, __LINE__, sudo_debug_subsys);
 		    break;
 		default:
 		    /* Parent will wait for us. */
-		    _exit(0);
+		    _exit(EXIT_SUCCESS);
 	    }
 	    break;
 	default:
@@ -847,7 +847,7 @@ send_mail(const char *fmt, ...)
 	sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to open pipe: %s",
 	    strerror(errno));
 	sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
-	_exit(1);
+	_exit(EXIT_FAILURE);
     }
 
     switch (pid = sudo_debug_fork()) {
@@ -857,7 +857,7 @@ send_mail(const char *fmt, ...)
 	    sudo_debug_printf(SUDO_DEBUG_ERROR, "unable to fork: %s",
 		strerror(errno));
 	    sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
-	    _exit(1);
+	    _exit(EXIT_FAILURE);
 	    break;
 	case 0:
 	    /* Child. */
@@ -913,7 +913,7 @@ send_mail(const char *fmt, ...)
     sudo_debug_printf(SUDO_DEBUG_INFO|SUDO_DEBUG_LINENO,
 	"child (%d) exit value %d", (int)rv, status);
     sudo_debug_exit(__func__, __FILE__, __LINE__, sudo_debug_subsys);
-    _exit(0);
+    _exit(EXIT_SUCCESS);
 }
 
 /*
diff --git a/plugins/sudoers/regress/check_symbols/check_symbols.c b/plugins/sudoers/regress/check_symbols/check_symbols.c
index ccb2ad773..a1c15163b 100644
--- a/plugins/sudoers/regress/check_symbols/check_symbols.c
+++ b/plugins/sudoers/regress/check_symbols/check_symbols.c
@@ -41,7 +41,7 @@ static void
 usage(void)
 {
     fprintf(stderr, "usage: %s plugin.so symbols_file\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 int
diff --git a/plugins/sudoers/regress/env_match/check_env_pattern.c b/plugins/sudoers/regress/env_match/check_env_pattern.c
index eece41e57..1855bceb9 100644
--- a/plugins/sudoers/regress/env_match/check_env_pattern.c
+++ b/plugins/sudoers/regress/env_match/check_env_pattern.c
@@ -46,7 +46,7 @@ main(int argc, char *argv[])
     if (argc > 1) {
 	if ((fp = fopen(argv[1], "r")) == NULL) {
 	    perror(argv[1]);
-	    exit(1);
+	    exit(EXIT_FAILURE);
 	}
     }
 
diff --git a/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c b/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
index c11b8bb89..42f1035ec 100644
--- a/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
+++ b/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
@@ -52,7 +52,7 @@ static void
 usage(void)
 {
     fprintf(stderr, "usage: %s pathname\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 static int
diff --git a/plugins/sudoers/regress/logging/check_wrap.c b/plugins/sudoers/regress/logging/check_wrap.c
index a1988f265..c99b4ec55 100644
--- a/plugins/sudoers/regress/logging/check_wrap.c
+++ b/plugins/sudoers/regress/logging/check_wrap.c
@@ -44,7 +44,7 @@ static void
 usage(void)
 {
     fprintf(stderr, "usage: %s inputfile\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 int
diff --git a/plugins/sudoers/regress/parser/check_addr.c b/plugins/sudoers/regress/parser/check_addr.c
index 2a7b0f361..3c7cbcd8f 100644
--- a/plugins/sudoers/regress/parser/check_addr.c
+++ b/plugins/sudoers/regress/parser/check_addr.c
@@ -77,7 +77,7 @@ static void
 usage(void)
 {
     fprintf(stderr, "usage: %s datafile\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 int
diff --git a/plugins/sudoers/sudoreplay.c b/plugins/sudoers/sudoreplay.c
index d6a9c5509..62ecd1ad1 100644
--- a/plugins/sudoers/sudoreplay.c
+++ b/plugins/sudoers/sudoreplay.c
@@ -1572,7 +1572,7 @@ usage(int fatal)
 	_("usage: %s [-h] [-d dir] -l [search expression]\n"),
 	getprogname());
     if (fatal)
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 static void
@@ -1591,7 +1591,7 @@ help(void)
 	"  -S, --suspend-wait     wait while the command was suspended\n"
 	"  -s, --speed=num        speed up or slow down output\n"
 	"  -V, --version          display version information and exit"));
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
 
 /*
diff --git a/plugins/sudoers/testsudoers.c b/plugins/sudoers/testsudoers.c
index 66b35e2b8..80aa1950d 100644
--- a/plugins/sudoers/testsudoers.c
+++ b/plugins/sudoers/testsudoers.c
@@ -606,5 +606,5 @@ static void
 usage(void)
 {
     (void) fprintf(stderr, "usage: %s [-dt] [-G sudoers_gid] [-g group] [-h host] [-i input_format] [-P grfile] [-p pwfile] [-U sudoers_uid] [-u user] <user> <command> [args]\n", getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
diff --git a/plugins/sudoers/tsdump.c b/plugins/sudoers/tsdump.c
index d69c77d8e..9297b5431 100644
--- a/plugins/sudoers/tsdump.c
+++ b/plugins/sudoers/tsdump.c
@@ -314,5 +314,5 @@ usage(void)
 {
     fprintf(stderr, "usage: %s [-f timestamp_file] | [-u username]\n",
 	getprogname());
-    exit(1);
+    exit(EXIT_FAILURE);
 }
diff --git a/plugins/sudoers/visudo.c b/plugins/sudoers/visudo.c
index 6a9925bad..3a39e3402 100644
--- a/plugins/sudoers/visudo.c
+++ b/plugins/sudoers/visudo.c
@@ -263,7 +263,7 @@ main(int argc, char *argv[])
      * errors and to pull in editor and env_editor conf values.
      */
     if ((sudoersin = open_sudoers(sudoers_file, true, NULL)) == NULL)
-	exit(1);
+	exit(EXIT_FAILURE);
     init_parser(sudoers_file, quiet, true);
     sudoers_setlocale(SUDOERS_LOCALE_SUDOERS, &oldlocale);
     (void) sudoersparse();
@@ -1283,7 +1283,7 @@ usage(int fatal)
     (void) fprintf(fatal ? stderr : stdout,
 	"usage: %s [-chqsV] [[-f] sudoers ]\n", getprogname());
     if (fatal)
-	exit(1);
+	exit(EXIT_FAILURE);
 }
 
 static void
@@ -1298,5 +1298,5 @@ help(void)
 	"  -q, --quiet              less verbose (quiet) syntax error messages\n"
 	"  -s, --strict             strict syntax checking\n"
 	"  -V, --version            display version information and exit\n"));
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/src/exec.c b/src/exec.c
index 8e51dd23b..5337599a0 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -363,7 +363,7 @@ sudo_execute(struct command_details *details, struct command_status *cstat)
 		/* parent exits (but does not flush buffers) */
 		sudo_debug_exit_int(__func__, __FILE__, __LINE__,
 		    sudo_debug_subsys, 0);
-		_exit(0);
+		_exit(EXIT_SUCCESS);
 	}
     }
 
diff --git a/src/exec_monitor.c b/src/exec_monitor.c
index 87204fef7..fd3267c35 100644
--- a/src/exec_monitor.c
+++ b/src/exec_monitor.c
@@ -124,7 +124,7 @@ deliver_signal(struct monitor_closure *mc, int signo, bool from_parent)
 	killpg(mc->cmnd_pid, SIGCONT);
 	break;
     case SIGKILL:
-	_exit(1); /* XXX */
+	_exit(EXIT_FAILURE); /* XXX */
 	/* NOTREACHED */
     default:
 	/* Relay signal to command. */
@@ -635,7 +635,7 @@ exec_monitor(struct command_details *details, sigset_t *oset,
 	exec_cmnd_pty(details, foreground, errpipe[1]);
 	if (write(errpipe[1], &errno, sizeof(int)) == -1)
 	    sudo_warn(U_("unable to execute %s"), details->command);
-	_exit(1);
+	_exit(EXIT_FAILURE);
     }
     close(errpipe[1]);
 
@@ -721,7 +721,7 @@ exec_monitor(struct command_details *details, sigset_t *oset,
     }
 #endif
     sudo_debug_exit_int(__func__, __FILE__, __LINE__, sudo_debug_subsys, 1);
-    _exit(1);
+    _exit(EXIT_FAILURE);
 
 bad:
     debug_return_int(-1);
diff --git a/src/exec_nopty.c b/src/exec_nopty.c
index 577e7b2ce..abea42023 100644
--- a/src/exec_nopty.c
+++ b/src/exec_nopty.c
@@ -402,7 +402,7 @@ exec_nopty(struct command_details *details, struct command_status *cstat)
 		break;
 	}
 	sudo_debug_exit_int(__func__, __FILE__, __LINE__, sudo_debug_subsys, 1);
-	_exit(1);
+	_exit(EXIT_FAILURE);
     }
     sudo_debug_printf(SUDO_DEBUG_INFO, "executed %s, pid %d", details->command,
 	(int)ec.cmnd_pid);
diff --git a/src/exec_pty.c b/src/exec_pty.c
index 9d192b900..9cc37d274 100644
--- a/src/exec_pty.c
+++ b/src/exec_pty.c
@@ -1553,7 +1553,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
             sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_ERRNO,
                 "%s: unable to send status to parent", __func__);
 	}
-	_exit(1);
+	_exit(EXIT_FAILURE);
     }
 
     /*
diff --git a/src/parse_args.c b/src/parse_args.c
index aae71859a..bcdf4ae92 100644
--- a/src/parse_args.c
+++ b/src/parse_args.c
@@ -583,7 +583,7 @@ parse_args(int argc, char **argv, int *old_optind, int *nargc, char ***nargv,
 	    if (cmnd == NULL)
 		sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
 	    if (!gc_add(GC_PTR, cmnd))
-		exit(1);
+		exit(EXIT_FAILURE);
 
 	    for (av = argv; *av != NULL; av++) {
 		for (src = *av; *src != '\0'; src++) {
@@ -605,7 +605,7 @@ parse_args(int argc, char **argv, int *old_optind, int *nargc, char ***nargv,
 	if (av == NULL)
 	    sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
 	if (!gc_add(GC_PTR, av))
-	    exit(1);
+	    exit(EXIT_FAILURE);
 
 	av[0] = (char *)user_details.shell; /* plugin may override shell */
 	if (cmnd != NULL) {
@@ -630,7 +630,7 @@ parse_args(int argc, char **argv, int *old_optind, int *nargc, char ***nargv,
 	if (av == NULL)
 	    sudo_fatalx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
 	if (!gc_add(GC_PTR, av))
-	    exit(1);
+	    exit(EXIT_FAILURE);
 
 	/* Must have the command in argv[0]. */
 	av[0] = "sudoedit";
@@ -712,7 +712,7 @@ void
 usage(void)
 {
     display_usage(usage_err);
-    exit(1);
+    exit(EXIT_FAILURE);
 }
 
 /*
@@ -816,5 +816,5 @@ help(void)
     sudo_lbuf_print(&lbuf);
     sudo_lbuf_destroy(&lbuf);
     sudo_debug_exit_int(__func__, __FILE__, __LINE__, sudo_debug_subsys, 0);
-    exit(0);
+    exit(EXIT_SUCCESS);
 }
diff --git a/src/regress/noexec/check_noexec.c b/src/regress/noexec/check_noexec.c
index e617bb277..bff30f060 100644
--- a/src/regress/noexec/check_noexec.c
+++ b/src/regress/noexec/check_noexec.c
@@ -184,7 +184,7 @@ main(int argc, char *argv[], char *envp[])
 
     if (argc != 2) {
 	fprintf(stderr, "usage: %s regress | /path/to/sudo_noexec.so\n", getprogname());
-	exit(1);
+	exit(EXIT_FAILURE);
     }
 
     /* Disable execution for post-exec and re-exec ourself. */