diff --git a/lib/eventlog/regress/logwrap/check_wrap.c b/lib/eventlog/regress/logwrap/check_wrap.c
index 9e0b1fae4..5d67e6ee7 100644
--- a/lib/eventlog/regress/logwrap/check_wrap.c
+++ b/lib/eventlog/regress/logwrap/check_wrap.c
@@ -36,27 +36,40 @@ sudo_dso_public int main(int argc, char *argv[]);
 static void
 usage(void)
 {
-    fprintf(stderr, "usage: %s inputfile\n", getprogname());
+    fprintf(stderr, "usage: %s [-v] inputfile\n", getprogname());
     exit(EXIT_FAILURE);
 }
 
 int
 main(int argc, char *argv[])
 {
+    int ch, lineno = 0, which = 0;
+    char *line, lines[2][2048];
+    const char *infile;
     size_t len;
     FILE *fp;
-    char *line, lines[2][2048];
-    int lineno = 0;
-    int which = 0;
 
     initprogname(argc > 0 ? argv[0] : "check_wrap");
 
-    if (argc != 2)
-	usage();
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignored */
+	    break;
+	default:
+	    usage();
+	}
+    }
+    argc -= optind;
+    argv += optind;
 
-    fp = fopen(argv[1], "r");
+    if (argc != 1)
+	usage();
+    infile = argv[0];
+
+    fp = fopen(infile, "r");
     if (fp == NULL)
-	sudo_fatalx("unable to open %s", argv[1]);
+	sudo_fatalx("unable to open %s", infile);
 
     /*
      * Each test record consists of a log entry on one line and a list of
@@ -89,8 +102,9 @@ main(int argc, char *argv[])
 		} else {
 		    len = maxlen = sudo_strtonum(cp, 0, INT_MAX, &errstr);
 		}
-		if (errstr != NULL)
-		    sudo_fatalx("%s: invalid length on line %d\n", argv[1], lineno);
+		if (errstr != NULL) {
+		    sudo_fatalx("%s: invalid length on line %d\n", infile, lineno);
+		}
 		while (len <= maxlen) {
 		    if (len == 0)
 			printf("# word wrap disabled\n");
@@ -104,5 +118,5 @@ main(int argc, char *argv[])
 	which = !which;
     }
 
-    exit(0);
+    return EXIT_SUCCESS;
 }
diff --git a/lib/iolog/regress/host_port/host_port_test.c b/lib/iolog/regress/host_port/host_port_test.c
index 109393a23..065e216e7 100644
--- a/lib/iolog/regress/host_port/host_port_test.c
+++ b/lib/iolog/regress/host_port/host_port_test.c
@@ -141,5 +141,5 @@ main(int argc, char *argv[])
 	printf("%s: %d tests run, %d errors, %d%% success rate\n",
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
-    exit(errors);
+    return errors;
 }
diff --git a/lib/iolog/regress/iolog_filter/check_iolog_filter.c b/lib/iolog/regress/iolog_filter/check_iolog_filter.c
index 1bea04477..d24f12f84 100644
--- a/lib/iolog/regress/iolog_filter/check_iolog_filter.c
+++ b/lib/iolog/regress/iolog_filter/check_iolog_filter.c
@@ -38,25 +38,38 @@ int
 main(int argc, char *argv[])
 {
     int dfd = -1, ttyin_fd = -1, ttyout_fd = -1, ttyin_ok_fd = -1;
-    int i, tests = 0, errors = 0;
+    int ch, i, ntests = 0, errors = 0;
     void *passprompt_regex = NULL;
 
     initprogname(argc > 0 ? argv[0] : "check_iolog_filter");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v] iolog_dir ...\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     passprompt_regex = iolog_pwfilt_alloc();
     if (passprompt_regex == NULL)
 	sudo_fatalx("unable to allocate memory");
     if (!iolog_pwfilt_add(passprompt_regex, "(?i)password[: ]*"))
 	exit(1);
 
-    for (i = 1; i < argc; i++) {
+    for (i = 0; i < argc; i++) {
 	struct iolog_file iolog_timing = { true };
 	struct timing_closure timing;
 	const char *logdir = argv[i];
 	char tbuf[8192], fbuf[8192];
 	ssize_t nread;
 
-	tests++;
+	ntests++;
 
 	/* I/O logs consist of multiple files in a directory. */
 	dfd = open(logdir, O_RDONLY);
@@ -180,11 +193,11 @@ next:
     }
     iolog_pwfilt_free(passprompt_regex);
 
-    if (tests != 0) {
-	printf("%s: %d test%s run, %d errors, %d%% success rate\n",
-	    getprogname(), tests, tests == 1 ? "" : "s", errors,
-	    (tests - errors) * 100 / tests);
+    if (ntests != 0) {
+	printf("iolog_filter: %d test%s run, %d errors, %d%% success rate\n",
+	    ntests, ntests == 1 ? "" : "s", errors,
+	    (ntests - errors) * 100 / ntests);
     }
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/iolog/regress/iolog_json/check_iolog_json.c b/lib/iolog/regress/iolog_json/check_iolog_json.c
index 5770faf82..df6841135 100644
--- a/lib/iolog/regress/iolog_json/check_iolog_json.c
+++ b/lib/iolog/regress/iolog_json/check_iolog_json.c
@@ -171,7 +171,7 @@ int
 main(int argc, char *argv[])
 {
     struct json_object root;
-    int ch, i, tests = 0, errors = 0;
+    int ch, i, ntests = 0, errors = 0;
     bool cat = false;
 
     initprogname(argc > 0 ? argv[0] : "check_iolog_json");
@@ -200,7 +200,7 @@ main(int argc, char *argv[])
 	FILE *infp = NULL;
 	FILE *outfp = NULL;
 
-	tests++;
+	ntests++;
 
 	if (!sudo_json_init(&json, 4, false, true)) {
 	    errors++;
@@ -255,11 +255,11 @@ next:
 	    fclose(outfp);
     }
 
-    if (tests != 0) {
+    if (ntests != 0) {
 	printf("iolog_json: %d test%s run, %d errors, %d%% success rate\n",
-	    tests, tests == 1 ? "" : "s", errors,
-	    (tests - errors) * 100 / tests);
+	    ntests, ntests == 1 ? "" : "s", errors,
+	    (ntests - errors) * 100 / ntests);
     }
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c b/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c
index bb1378712..5d05f8239 100644
--- a/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c
+++ b/lib/iolog/regress/iolog_mkpath/check_iolog_mkpath.c
@@ -67,25 +67,38 @@ main(int argc, char *argv[])
 {
     char testdir[] = "mkpath.XXXXXX";
     char *rmargs[] = { "rm", "-rf", NULL, NULL };
-    int status, tests = 0, errors = 0;
+    int ch, status, ntests = 0, errors = 0;
 
     initprogname(argc > 0 ? argv[0] : "check_iolog_mkpath");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     if (mkdtemp(testdir) == NULL)
 	sudo_fatal("unable to create test dir");
     rmargs[2] = testdir;
 
-    test_iolog_mkpath(testdir, &tests, &errors);
+    test_iolog_mkpath(testdir, &ntests, &errors);
 
-    if (tests != 0) {
+    if (ntests != 0) {
 	printf("iolog_mkpath: %d test%s run, %d errors, %d%% success rate\n",
-	    tests, tests == 1 ? "" : "s", errors,
-	    (tests - errors) * 100 / tests);
+	    ntests, ntests == 1 ? "" : "s", errors,
+	    (ntests - errors) * 100 / ntests);
     }
 
     /* Clean up (avoid running via shell) */
     execvp("rm", rmargs);
     wait(&status);
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/iolog/regress/iolog_path/check_iolog_path.c b/lib/iolog/regress/iolog_path/check_iolog_path.c
index 807128aad..72548aeea 100644
--- a/lib/iolog/regress/iolog_path/check_iolog_path.c
+++ b/lib/iolog/regress/iolog_path/check_iolog_path.c
@@ -180,18 +180,29 @@ main(int argc, char *argv[])
     char line[2048];
     char *file_in = NULL, *file_out = NULL;
     char *dir_in = NULL, *dir_out = NULL;
-    int state = 0;
-    int errors = 0;
-    int tests = 0;
+    int ch, state = 0, errors = 0, ntests = 0;
 
     initprogname(argc > 0 ? argv[0] : "check_iolog_path");
 
-    if (argc != 2)
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v] data\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
+    if (argc != 1)
 	usage();
 
-    fp = fopen(argv[1], "r");
+    fp = fopen(argv[0], "r");
     if (fp == NULL)
-	sudo_fatalx("unable to open %s", argv[1]);
+	sudo_fatalx("unable to open %s", argv[0]);
 
     /*
      * Input consists of 12 lines:
@@ -262,7 +273,7 @@ main(int argc, char *argv[])
 	    break;
 	case 11:
 	    errors += do_check(dir_in, file_in, dir_out, file_out);
-	    tests++;
+	    ntests++;
 	    reset_escape_data(&escape_data);
 	    break;
 	default:
@@ -271,11 +282,11 @@ main(int argc, char *argv[])
 	state = (state + 1) % MAX_STATE;
     }
 
-    if (tests != 0) {
+    if (ntests != 0) {
 	printf("iolog_path: %d test%s run, %d errors, %d%% success rate\n",
-	    tests, tests == 1 ? "" : "s", errors,
-	    (tests - errors) * 100 / tests);
+	    ntests, ntests == 1 ? "" : "s", errors,
+	    (ntests - errors) * 100 / ntests);
     }
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/iolog/regress/iolog_timing/check_iolog_timing.c b/lib/iolog/regress/iolog_timing/check_iolog_timing.c
index 89fc45db3..e0db4167e 100644
--- a/lib/iolog/regress/iolog_timing/check_iolog_timing.c
+++ b/lib/iolog/regress/iolog_timing/check_iolog_timing.c
@@ -130,19 +130,32 @@ test_adjust_delay(int *ntests, int *nerrors)
 int
 main(int argc, char *argv[])
 {
-    int tests = 0, errors = 0;
+    int ch, ntests = 0, errors = 0;
 
     initprogname(argc > 0 ? argv[0] : "check_iolog_timing");
 
-    test_parse_delay(&tests, &errors);
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
 
-    test_adjust_delay(&tests, &errors);
+    test_parse_delay(&ntests, &errors);
 
-    if (tests != 0) {
+    test_adjust_delay(&ntests, &errors);
+
+    if (ntests != 0) {
 	printf("iolog_timing: %d test%s run, %d errors, %d%% success rate\n",
-	    tests, tests == 1 ? "" : "s", errors,
-	    (tests - errors) * 100 / tests);
+	    ntests, ntests == 1 ? "" : "s", errors,
+	    (ntests - errors) * 100 / ntests);
     }
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/closefrom/closefrom_test.c b/lib/util/regress/closefrom/closefrom_test.c
index af591efa3..5b1bc34d7 100644
--- a/lib/util/regress/closefrom/closefrom_test.c
+++ b/lib/util/regress/closefrom/closefrom_test.c
@@ -39,9 +39,22 @@ sudo_dso_public int main(int argc, char *argv[]);
 int
 main(int argc, char *argv[])
 {
-    int fds[2], flag, maxfd, minfd, errors = 0, ntests = 0;
+    int ch, fds[2], flag, maxfd, minfd, errors = 0, ntests = 0;
     initprogname(argc > 0 ? argv[0] : "closefrom_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     /* We use pipe() because it doesn't rely on the filesystem. */
     ntests++;
     if (pipe(fds) == -1) {
@@ -103,5 +116,5 @@ done:
 	printf("%s: %d tests run, %d errors, %d%% success rate\n",
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/fnmatch/fnm_test.c b/lib/util/regress/fnmatch/fnm_test.c
index 9f2f01c28..a9f6b1afb 100644
--- a/lib/util/regress/fnmatch/fnm_test.c
+++ b/lib/util/regress/fnmatch/fnm_test.c
@@ -25,14 +25,27 @@ main(int argc, char *argv[])
 {
 	FILE *fp = stdin;
 	char pattern[1024], string[1024], flagstr[1024];
-	int errors = 0, tests = 0, flags, got, want;
+	int ch, errors = 0, ntests = 0, flags, got, want;
 
 	initprogname(argc > 0 ? argv[0] : "fnm_test");
 
-	if (argc > 1) {
-		if ((fp = fopen(argv[1], "r")) == NULL) {
-			perror(argv[1]);
-			exit(EXIT_FAILURE);
+	while ((ch = getopt(argc, argv, "v")) != -1) {
+	    switch (ch) {
+	    case 'v':
+		/* ignore */
+		break;
+	    default:
+		fprintf(stderr, "usage: %s [-v]\n", getprogname());
+		return EXIT_FAILURE;
+	    }
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc > 0) {
+		if ((fp = fopen(argv[0], "r")) == NULL) {
+			perror(argv[0]);
+			return EXIT_FAILURE;
 		}
 	}
 
@@ -66,13 +79,13 @@ main(int argc, char *argv[])
 				    pattern, string, flags, want, got);
 				errors++;
 			}
-			tests++;
+			ntests++;
 		}
 	}
-	if (tests != 0) {
+	if (ntests != 0) {
 		printf("fnmatch: %d test%s run, %d errors, %d%% success rate\n",
-		    tests, tests == 1 ? "" : "s", errors,
-		    (tests - errors) * 100 / tests);
+		    ntests, ntests == 1 ? "" : "s", errors,
+		    (ntests - errors) * 100 / ntests);
 	}
-	exit(errors);
+	return errors;
 }
diff --git a/lib/util/regress/getdelim/getdelim_test.c b/lib/util/regress/getdelim/getdelim_test.c
index affd704cd..15f4650d4 100644
--- a/lib/util/regress/getdelim/getdelim_test.c
+++ b/lib/util/regress/getdelim/getdelim_test.c
@@ -154,9 +154,23 @@ main(int argc, char *argv[])
 {
     size_t buflen = 0;
     char *buf = NULL;
+    int ch;
 
     initprogname(argc > 0 ? argv[0] : "getdelim_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     runtests(&buf, &buflen);
 
     /* XXX - redo tests with preallocated buffer filled with junk */
@@ -164,5 +178,5 @@ main(int argc, char *argv[])
 	printf("%s: %d tests run, %d errors, %d%% success rate\n",
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/getgrouplist/getgids.c b/lib/util/regress/getgrouplist/getgids.c
index 6673c1731..f366f83ed 100644
--- a/lib/util/regress/getgrouplist/getgids.c
+++ b/lib/util/regress/getgrouplist/getgids.c
@@ -48,16 +48,26 @@ main(int argc, char *argv[])
     char *username = NULL;
     GETGROUPS_T *groups = NULL;
     struct passwd *pw;
-    int i, ngroups;
+    int ch, i, ngroups;
     gid_t basegid;
+
     initprogname(argc > 0 ? argv[0] : "getgids");
 
-    if (getopt(argc, argv, "") != -1) {
-	fprintf(stderr, "usage: %s [user]\n", getprogname());
-	return EXIT_FAILURE;
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v] [user]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
     }
-    if (argc > 1)
-	username = argv[1];
+    argc -= optind;
+    argv += optind;
+
+    if (argc > 0)
+	username = argv[0];
 
     if (username != NULL) {
 	if ((pw = getpwnam(username)) == NULL)
diff --git a/lib/util/regress/getgrouplist/getgrouplist_test.c b/lib/util/regress/getgrouplist/getgrouplist_test.c
index 4c2c1d3ab..f34fe09be 100644
--- a/lib/util/regress/getgrouplist/getgrouplist_test.c
+++ b/lib/util/regress/getgrouplist/getgrouplist_test.c
@@ -48,11 +48,25 @@ main(int argc, char *argv[])
     struct passwd *pw;
     struct group *grp;
     char *username;
-    int i, j, ntests = 0;
+    int ch, i, j, ntests = 0;
     int ngroups;
     gid_t basegid;
+
     initprogname(argc > 0 ? argv[0] : "getgrouplist_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     if ((pw = getpwuid(0)) == NULL)
 	sudo_fatal_nodebug("getpwuid(0)");
     basegid = pw->pw_gid;
@@ -96,5 +110,5 @@ main(int argc, char *argv[])
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
 #endif /* HAVE_GETGROUPLIST_2 */
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/glob/globtest.c b/lib/util/regress/glob/globtest.c
index a98d03ca2..ec8cef579 100644
--- a/lib/util/regress/glob/globtest.c
+++ b/lib/util/regress/glob/globtest.c
@@ -36,16 +36,29 @@ main(int argc, char **argv)
 {
 	FILE *fp = stdin;
 	char buf[2048], *cp, *ep;
-	int errors = 0, tests = 0, lineno;
+	int ch, errors = 0, ntests = 0, lineno;
 	struct gl_entry entry;
 	size_t len;
 
 	initprogname(argc > 0 ? argv[0] : "globtest");
 
-	if (argc > 1) {
-		if ((fp = fopen(argv[1], "r")) == NULL) {
-			perror(argv[1]);
-			exit(EXIT_FAILURE);
+	while ((ch = getopt(argc, argv, "v")) != -1) {
+	    switch (ch) {
+	    case 'v':
+		/* ignore */
+		break;
+	    default:
+		fprintf(stderr, "usage: %s [-v]\n", getprogname());
+		return EXIT_FAILURE;
+	    }
+	}
+	argc -= optind;
+	argv += optind;
+
+	if (argc > 0) {
+		if ((fp = fopen(argv[0], "r")) == NULL) {
+			perror(argv[0]);
+			return EXIT_FAILURE;
 		}
 	}
 
@@ -68,7 +81,7 @@ main(int argc, char **argv)
 			if (buf[len - 1] != '\n') {
 				fprintf(stderr,
 				    "globtest: missing newline at EOF\n");
-				exit(EXIT_FAILURE);
+				return EXIT_FAILURE;
 			}
 			buf[--len] = '\0';
 		}
@@ -79,7 +92,7 @@ main(int argc, char **argv)
 			/* check previous pattern */
 			if (entry.pattern[0]) {
 				errors += test_glob(&entry);
-				tests++;
+				ntests++;
 			}
 
 			/* start new entry */
@@ -87,14 +100,14 @@ main(int argc, char **argv)
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(EXIT_FAILURE);
+				return EXIT_FAILURE;
 			}
 			len = cp - buf - 1;
 			if (len >= sizeof(entry.pattern)) {
 				fprintf(stderr,
 				    "globtest: pattern too big on line %d\n",
 				    lineno);
-				exit(EXIT_FAILURE);
+				return EXIT_FAILURE;
 			}
 			memcpy(entry.pattern, buf + 1, len);
 			entry.pattern[len] = '\0';
@@ -104,14 +117,14 @@ main(int argc, char **argv)
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(EXIT_FAILURE);
+				return EXIT_FAILURE;
 			}
 			ep = strchr(cp, '>');
 			if (ep == NULL) {
 				fprintf(stderr,
 				    "globtest: invalid entry on line %d\n",
 				    lineno);
-				exit(EXIT_FAILURE);
+				return EXIT_FAILURE;
 			}
 			*ep = '\0';
 			entry.flags = 0;
@@ -138,7 +151,7 @@ main(int argc, char **argv)
 					fprintf(stderr,
 					    "globtest: invalid flags on line %d\n",
 					    lineno);
-					exit(EXIT_FAILURE);
+					return EXIT_FAILURE;
 				}
 			}
 			entry.nresults = 0;
@@ -147,27 +160,27 @@ main(int argc, char **argv)
 		if (!entry.pattern[0]) {
 			fprintf(stderr, "globtest: missing entry on line %d\n",
 			    lineno);
-			exit(EXIT_FAILURE);
+			return EXIT_FAILURE;
 		}
 
 		if (entry.nresults + 1 > MAX_RESULTS) {
 			fprintf(stderr,
 			    "globtest: too many results for %s, max %d\n",
 			    entry.pattern, MAX_RESULTS);
-			exit(EXIT_FAILURE);
+			return EXIT_FAILURE;
 		}
 		entry.results[entry.nresults++] = strdup(buf);
 	}
 	if (entry.pattern[0]) {
 		errors += test_glob(&entry); /* test last pattern */
-		tests++;
+		ntests++;
 	}
-        if (tests != 0) {
+        if (ntests != 0) {
 		printf("glob: %d test%s run, %d errors, %d%% success rate\n",
-		    tests, tests == 1 ? "" : "s", errors,
-		    (tests - errors) * 100 / tests);
+		    ntests, ntests == 1 ? "" : "s", errors,
+		    (ntests - errors) * 100 / ntests);
         }
-	exit(errors);
+	return errors;
 }
 
 int test_glob(struct gl_entry *entry)
@@ -179,7 +192,7 @@ 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(EXIT_FAILURE);
+		return 1;
 	}
 
 	for (ap = gl.gl_pathv; *ap != NULL; ap++)
diff --git a/lib/util/regress/mktemp/mktemp_test.c b/lib/util/regress/mktemp/mktemp_test.c
index 73a5b2919..002f7b050 100644
--- a/lib/util/regress/mktemp/mktemp_test.c
+++ b/lib/util/regress/mktemp/mktemp_test.c
@@ -15,6 +15,7 @@
 
 #include <errno.h>
 #include <limits.h>
+#include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>
@@ -132,10 +133,23 @@ main(int argc, char *argv[])
 	char *p;
 	size_t clen;
 	long pg;
-	int i;
+	int ch, i;
 
 	initprogname(argc > 0 ? argv[0] : "mktemp_test");
 
+	while ((ch = getopt(argc, argv, "v")) != -1) {
+	    switch (ch) {
+	    case 'v':
+		/* ignore */
+		break;
+	    default:
+		fprintf(stderr, "usage: %s [-v]\n", getprogname());
+		return EXIT_FAILURE;
+	    }
+	}
+	argc -= optind;
+	argv += optind;
+
 	pg = sysconf(_SC_PAGESIZE);
 	if (getcwd(cwd, sizeof cwd - 1) == NULL)
 		sudo_fatal("getcwd");
diff --git a/lib/util/regress/parse_gids/parse_gids_test.c b/lib/util/regress/parse_gids/parse_gids_test.c
index d96a8a0e0..c0d35746f 100644
--- a/lib/util/regress/parse_gids/parse_gids_test.c
+++ b/lib/util/regress/parse_gids/parse_gids_test.c
@@ -69,14 +69,28 @@ main(int argc, char *argv[])
 {
     GETGROUPS_T *gidlist = NULL;
     int i, j, errors = 0, ntests = 0;
-    int ngids;
+    int ch, ngids;
+
     initprogname(argc > 0 ? argv[0] : "parse_gids_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (i = 0; test_data[i].gids != NULL; i++) {
 	free(gidlist);
 	ngids = sudo_parse_gids(test_data[i].gids, test_data[i].baseptr, &gidlist);
 	if (ngids == -1)
-	    exit(EXIT_FAILURE);	/* out of memory? */
+	    sudo_fatal_nodebug("sudo_parse_gids");
 	ntests++;
 	if (ngids != test_data[i].ngids) {
 	    sudo_warnx_nodebug("test #%d: expected %d gids, got %d",
@@ -101,5 +115,5 @@ main(int argc, char *argv[])
 	printf("%s: %d tests run, %d errors, %d%% success rate\n",
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/progname/progname_test.c b/lib/util/regress/progname/progname_test.c
index f6a9d48e3..1c7cb13d9 100644
--- a/lib/util/regress/progname/progname_test.c
+++ b/lib/util/regress/progname/progname_test.c
@@ -36,17 +36,31 @@ int
 main(int argc, char *argv[])
 {
     char *progbase = "progname_test";
+    int ch;
 
     if (argc > 0)
 	progbase = sudo_basename(argv[0]);
     initprogname(progbase);
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", progbase);
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     /* Make sure getprogname() matches basename of argv[0]. */
     if (strcmp(getprogname(), progbase) != 0) {
 	printf("%s: FAIL: incorrect program name \"%s\"\n",
 	    progbase, getprogname());
-	exit(EXIT_FAILURE);
+	return EXIT_FAILURE;
     }
 
-    exit(EXIT_SUCCESS);
+    return EXIT_SUCCESS;
 }
diff --git a/lib/util/regress/strsig/strsig_test.c b/lib/util/regress/strsig/strsig_test.c
index 573dc1d08..35b03a9d5 100644
--- a/lib/util/regress/strsig/strsig_test.c
+++ b/lib/util/regress/strsig/strsig_test.c
@@ -288,11 +288,23 @@ void init_sigrt(void)
 int
 main(int argc, char *argv[])
 {
-    int errors = 0;
-    int ntests = 0;
+    int ch, errors = 0, ntests = 0;
 
     initprogname(argc > 0 ? argv[0] : "strsig_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     init_sigrt();
     errors += test_sig2str(&ntests);
     errors += test_str2sig(&ntests);
@@ -302,5 +314,5 @@ main(int argc, char *argv[])
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
 
-    exit(errors);
+    return errors;
 }
diff --git a/lib/util/regress/strsplit/strsplit_test.c b/lib/util/regress/strsplit/strsplit_test.c
index d44f19e0e..39549127f 100644
--- a/lib/util/regress/strsplit/strsplit_test.c
+++ b/lib/util/regress/strsplit/strsplit_test.c
@@ -62,10 +62,24 @@ int
 main(int argc, char *argv[])
 {
     const char *cp, *ep, *input_end;
-    int i, j, errors = 0, ntests = 0;
+    int ch, i, j, errors = 0, ntests = 0;
     size_t len;
+
     initprogname(argc > 0 ? argv[0] : "strsplit_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (i = 0; test_data[i].input != NULL; i++) {
 	input_end = test_data[i].input + test_data[i].input_len;
 	cp = sudo_strsplit(test_data[i].input, input_end, " \t", &ep);
diff --git a/lib/util/regress/strtofoo/strtobool_test.c b/lib/util/regress/strtofoo/strtobool_test.c
index 10cd82f3d..d616f7c60 100644
--- a/lib/util/regress/strtofoo/strtobool_test.c
+++ b/lib/util/regress/strtofoo/strtobool_test.c
@@ -61,12 +61,24 @@ int
 main(int argc, char *argv[])
 {
     struct strtobool_data *d;
-    int errors = 0;
-    int ntests = 0;
-    int value;
+    int errors = 0, ntests = 0;
+    int ch, value;
 
     initprogname(argc > 0 ? argv[0] : "strtobool_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (d = strtobool_data; d->bool_str != NULL; d++) {
 	ntests++;
 	value = sudo_strtobool(d->bool_str);
diff --git a/lib/util/regress/strtofoo/strtoid_test.c b/lib/util/regress/strtofoo/strtoid_test.c
index 306eccb00..facaeebc8 100644
--- a/lib/util/regress/strtofoo/strtoid_test.c
+++ b/lib/util/regress/strtofoo/strtoid_test.c
@@ -56,15 +56,27 @@ static struct strtoidx_data {
 int
 main(int argc, char *argv[])
 {
+    int ch, errors = 0, ntests = 0;
     struct strtoidx_data *d;
     const char *errstr;
     char *ep;
-    int errors = 0;
-    int ntests = 0;
     id_t value;
 
     initprogname(argc > 0 ? argv[0] : "strtoid_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (d = strtoidx_data; d->idstr != NULL; d++) {
 	ntests++;
 	errstr = "some error";
diff --git a/lib/util/regress/strtofoo/strtomode_test.c b/lib/util/regress/strtofoo/strtomode_test.c
index 3855f2a7a..480da5a1f 100644
--- a/lib/util/regress/strtofoo/strtomode_test.c
+++ b/lib/util/regress/strtofoo/strtomode_test.c
@@ -47,12 +47,24 @@ main(int argc, char *argv[])
 {
     struct strtomode_data *d;
     const char *errstr;
-    int errors = 0;
-    int ntests = 0;
+    int ch, errors = 0, ntests = 0;
     mode_t mode;
 
     initprogname(argc > 0 ? argv[0] : "strtomode_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (d = strtomode_data; d->mode_str != NULL; d++) {
 	ntests++;
 	errstr = "some error";
diff --git a/lib/util/regress/strtofoo/strtonum_test.c b/lib/util/regress/strtofoo/strtonum_test.c
index cefb88d8b..cf715d2e3 100644
--- a/lib/util/regress/strtofoo/strtonum_test.c
+++ b/lib/util/regress/strtofoo/strtonum_test.c
@@ -78,14 +78,26 @@ static struct strtonum_data {
 int
 main(int argc, char *argv[])
 {
+    int ch, errors = 0, ntests = 0;
     struct strtonum_data *d;
     const char *errstr;
-    int errors = 0;
-    int ntests = 0;
     long long value;
 
     initprogname(argc > 0 ? argv[0] : "strtonum_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     for (d = strtonum_data; d->str != NULL; d++) {
 	ntests++;
 	errstr = "some error";
diff --git a/lib/util/regress/sudo_conf/conf_test.c b/lib/util/regress/sudo_conf/conf_test.c
index 18d42ba6d..25e893515 100644
--- a/lib/util/regress/sudo_conf/conf_test.c
+++ b/lib/util/regress/sudo_conf/conf_test.c
@@ -37,6 +37,13 @@ sudo_dso_public int main(int argc, char *argv[]);
 # define GROUP_SOURCE_ADAPTIVE GROUP_SOURCE_DYNAMIC
 #endif
 
+static void
+usage(void)
+{
+    fprintf(stderr, "usage: %s [-v] conf_file\n", getprogname());
+    exit(EXIT_FAILURE);
+}
+
 /*
  * Simple test driver for sudo_conf().
  * Parses the given configuration file and dumps the resulting
@@ -45,17 +52,31 @@ sudo_dso_public int main(int argc, char *argv[]);
 int
 main(int argc, char *argv[])
 {
+    int ch;
+
     initprogname(argc > 0 ? argv[0] : "conf_test");
-    if (argc != 2) {
-	fprintf(stderr, "usage: %s conf_file\n", getprogname());
-	exit(EXIT_FAILURE);
+
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    usage();
+	}
     }
+    argc -= optind;
+    argv += optind;
+
+    if (argc != 1)
+	usage();
+
     sudo_conf_clear_paths();
-    if (sudo_conf_read(argv[1], SUDO_CONF_ALL) == -1)
-	exit(EXIT_FAILURE);
+    if (sudo_conf_read(argv[0], SUDO_CONF_ALL) == -1)
+	return EXIT_FAILURE;
     sudo_conf_dump();
 
-    exit(EXIT_SUCCESS);
+    return EXIT_SUCCESS;
 }
 
 static void
diff --git a/lib/util/regress/sudo_parseln/parseln_test.c b/lib/util/regress/sudo_parseln/parseln_test.c
index 9176ebdbc..8f3892b7a 100644
--- a/lib/util/regress/sudo_parseln/parseln_test.c
+++ b/lib/util/regress/sudo_parseln/parseln_test.c
@@ -39,11 +39,25 @@ main(int argc, char *argv[])
     unsigned int lineno = 0;
     size_t linesize = 0;
     char *line = NULL;
+    int ch;
 
     initprogname(argc > 0 ? argv[0] : "parseln_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     while (sudo_parseln(&line, &linesize, &lineno, stdin, 0) != -1)
 	printf("%6u\t%s\n", lineno, line);
     free(line);
-    exit(EXIT_SUCCESS);
+    return EXIT_SUCCESS;
 }
diff --git a/lib/util/regress/tailq/hltq_test.c b/lib/util/regress/tailq/hltq_test.c
index ff2db51a7..489911ca7 100644
--- a/lib/util/regress/tailq/hltq_test.c
+++ b/lib/util/regress/tailq/hltq_test.c
@@ -51,11 +51,23 @@ main(int argc, char *argv[])
     struct test_data d1, d2, d3;
     struct test_data *hltq;
     struct test_data_list tq;
-    int errors = 0;
-    int ntests = 0;
+    int ch, errors = 0, ntests = 0;
 
     initprogname(argc > 0 ? argv[0] : "hltq_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     /*
      * Initialize three data elements and concatenate them in order.
      */
diff --git a/lib/util/regress/uuid/uuid_test.c b/lib/util/regress/uuid/uuid_test.c
index 9c21bc28a..8baa0e7d2 100644
--- a/lib/util/regress/uuid/uuid_test.c
+++ b/lib/util/regress/uuid/uuid_test.c
@@ -51,15 +51,27 @@ struct uuid {
 int
 main(int argc, char *argv[])
 {
+    int ch, errors = 0, ntests = 0;
     union {
         struct uuid id;
         unsigned char u8[16];
     } uuid;
-    int errors = 0;
-    int ntests = 0;
 
     initprogname(argc > 0 ? argv[0] : "uuid_test");
 
+    while ((ch = getopt(argc, argv, "v")) != -1) {
+	switch (ch) {
+	case 'v':
+	    /* ignore */
+	    break;
+	default:
+	    fprintf(stderr, "usage: %s [-v]\n", getprogname());
+	    return EXIT_FAILURE;
+	}
+    }
+    argc -= optind;
+    argv += optind;
+
     /* Do 16 passes. */
     for (ntests = 0; ntests < 16; ntests++) {
 	sudo_uuid_create(uuid.u8);
@@ -88,5 +100,5 @@ main(int argc, char *argv[])
 	printf("%s: %d tests run, %d errors, %d%% success rate\n",
 	    getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
     }
-    return 0;
+    return errors;
 }