From 8eeb81b97870153a57c9dff79540c70d89ef87a4 Mon Sep 17 00:00:00 2001
From: Ken Hornstein <kenh@pobox.com>
Date: Tue, 13 Mar 2012 15:25:41 -0400
Subject: [PATCH] Modify getfullname so it performs the same processing that
 mts.c:getuserinfo() does.

---
 test/getfullname.c |   37 ++++++++++++++++++++++++++++++++++---
 1 file changed, 34 insertions(+), 3 deletions(-)

diff --git a/test/getfullname.c b/test/getfullname.c
index f0c8a2d..3dc221e 100644
--- a/test/getfullname.c
+++ b/test/getfullname.c
@@ -9,6 +9,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <pwd.h>
@@ -16,12 +17,13 @@
 int
 main(int argc, char *argv[])
 {
+	struct passwd *pwd;
+	char name[BUFSIZ], *p;
+
 	if (argc > 1) {
 		fprintf (stderr, "usage: %s\n", argv[0]);
 	}
 
-	struct passwd *pwd;
-
 	pwd = getpwuid(getuid());
 
 	if (! pwd) {
@@ -30,7 +32,36 @@ main(int argc, char *argv[])
 		exit(1);
 	}
 
-	printf("%s\n", pwd->pw_gecos);
+	/*
+	 * Perform the same processing that getuserinfo() does.
+	 */
+
+	strncpy(name, pwd->pw_gecos, sizeof(name));
+
+	name[sizeof(name) - 1] = '\0';
+
+	/*
+	 * Stop at the first comma
+	 */
+
+	if ((p = strchr(name, ',')))
+		*p = '\0';
+
+	/*
+	 * Quote the entire string if it has a "." in it
+	 */
+
+	if (strchr(name, '.')) {
+		char tmp[BUFSIZ];
+
+		snprintf(tmp, sizeof(tmp), "\"%s\"", name);
+		strncpy(name, tmp, sizeof(name));
+
+		name[sizeof(name) - 2] = '"';
+		name[sizeof(name) - 1] = '\0';
+	}
+
+	printf("%s\n", name);
 
 	exit(0);
 }
-- 
1.7.10.4