From: Karel Zak <kzak@redhat.com>
Date: Wed, 23 Aug 2023 09:36:45 +0000 (+0200)
Subject: uuidgen: mark some options mutually exclusive
X-Git-Tag: v2.40-rc1~261^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=28387664019c17cf69324e4f29711018422c4e07;p=thirdparty%2Futil-linux.git

uuidgen: mark some options mutually exclusive

* types cannot be mixed (--time, --random, --md5 and --sha1)
* --count makes sense only for --time and --random
* --name and --namespace makes sense only for --md5 and --sha1

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/misc-utils/uuidgen.c b/misc-utils/uuidgen.c
index 5af35ff96d..ee1235d32f 100644
--- a/misc-utils/uuidgen.c
+++ b/misc-utils/uuidgen.c
@@ -18,6 +18,7 @@
 #include "c.h"
 #include "closestream.h"
 #include "strutils.h"
+#include "optutils.h"
 
 static void __attribute__((__noreturn__)) usage(void)
 {
@@ -106,12 +107,24 @@ main (int argc, char *argv[])
 		{NULL, 0, NULL, 0}
 	};
 
+	static const ul_excl_t excl[] = {
+		{ 'C', 'm', 's' },
+		{ 'N', 'r', 't' },
+		{ 'm', 'r', 's', 't' },
+		{ 'n', 'r', 't' },
+		{ 0 }
+	};
+	int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
+
 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 	close_stdout_atexit();
 
 	while ((c = getopt_long(argc, argv, "C:rtVhn:N:msx", longopts, NULL)) != -1) {
+
+		err_exclusive_options(c, longopts, excl, excl_st);
+
 		switch (c) {
 		case 't':
 			do_type = UUID_TYPE_DCE_TIME;