X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udevinfo.c;h=ffc5e31f04ac58bbbeb24909c3dd954bcafe256f;hb=fa19f1811c20b6ec3631cecca9aa18ff2413eebb;hp=01c2a2a8ae646a6cd0d19e67a8052f2816cf5393;hpb=8ea84a8a781c22f67def088eb9df581590393cda;p=elogind.git

diff --git a/udevinfo.c b/udevinfo.c
index 01c2a2a8a..ffc5e31f0 100644
--- a/udevinfo.c
+++ b/udevinfo.c
@@ -41,7 +41,7 @@ char **main_argv;
 int main_argc;
 
 #ifdef LOG
-unsigned char logname[42];
+unsigned char logname[LOGNAME_SIZE];
 void log_message (int level, const char *format, ...)
 {
 	va_list	args;
@@ -149,7 +149,14 @@ static int print_device_chain(const char *path)
 		retval = -1;
 		goto exit;
 	}
-	printf("\ndevice '%s' has major:minor %s", class_dev->path, attr->value);
+
+	printf("\nudevinfo starts with the device the node belongs to and then walks up the\n"
+	       "device chain, to print for every device found, all possibly useful attributes\n"
+	       "in the udev key format.\n"
+	       "Only attributes within one device section may be used together in one rule,\n"
+	       "to match the device for which the node will be created.\n"
+	       "\n");
+	printf("device '%s' has major:minor %s", class_dev->path, attr->value);
 	sysfs_close_attribute(attr);
 
 	/* open sysfs class device directory and print all attributes */