[PATCH] [TESTUSB] Add '-o' option

[PATCH] Add "-o" option to redirect the output of testusb to a file.

Signed-off-by: Felipe Balbi <[email protected]>
---

--- testusb.c.orig	2007-04-02 13:42:33.000000000 -0400
+++ testusb.c	2007-04-02 14:42:19.000000000 -0400
@@ -37,6 +37,9 @@
 
 #define	TEST_CASES	30
 
+/* File pointer for output */
+FILE	*file;
+
 // FIXME make these public somewhere; usbdevfs.h?
 
 struct usbtest_param {
@@ -261,19 +264,22 @@
 				snprintf (buf, sizeof buf, "error %d", err);
 				errno = err;
 			}
-			printf ("%s test %d --> %d (%s)\n",
-				dev->name, i, errno, buf);
-		} else
-			printf ("%s test %d, %4d.%.06d secs\n", dev->name, i,
-				(int) dev->param.duration.tv_sec,
-				(int) dev->param.duration.tv_usec);
-
-		fflush (stdout);
+			fprintf(file, "%s test %d --> %d (%s)\n",
+					dev->name, i , errno, buf);
+		} else 
+			fprintf(file, "%s test %d, %4d.%.06d secs\n", 
+					dev->name, i,
+					(int) dev->param.duration.tv_sec,
+					(int) dev->param.duration.tv_usec);
+		}
+			
+		fflush (file);
 	}
 	if (dev->forever)
 		goto restart;
 
 	close (fd);
+	fclose (file);
 	return arg;
 }
 
@@ -302,8 +308,9 @@
 
 	/* for easy use when hotplugging */
 	device = getenv ("DEVICE");
+	file = stdout;
 
-	while ((c = getopt (argc, argv, "D:ac:g:hns:t:v:")) != EOF)
+	while ((c = getopt (argc, argv, "D:ac:g:hns:t:v:o:")) != EOF)
 	switch (c) {
 	case 'D':	/* device, if only one */
 		device = optarg;
@@ -343,13 +350,21 @@
 		if (param.vary < 0)
 			goto usage;
 		continue;
+	case 'o': /* output file */
+		file = fopen (optarg, "w");
+		if (file == NULL) {
+			printf ("Can't open %s\n", optarg);
+			goto usage;
+		}
+		continue;
 	case '?':
 	case 'h':
 	default:
 usage:
 		fprintf (stderr, "usage: %s [-an] [-D dev]\n"
 			"\t[-c iterations]  [-t testnum]\n"
-			"\t[-s packetsize] [-g sglen] [-v vary]\n",
+			"\t[-s packetsize] [-g sglen] [-v vary]\n"
+			"\t[-o output_file]\n",
 			argv [0]);
 		return 1;
 	}

-- 
Best Regards,

Felipe Balbi
[email protected]

Nokia Institute of Technology - INdT
Kernel Developers Team

+55 92 2126 1003

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