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From: Sami Kerola <kerolasa@iki.fi>
To: util-linux@vger.kernel.org
Cc: kerolasa@iki.fi
Subject: [PATCH 02/15] cytune: remove unnecessary variables
Date: Sun,  4 May 2014 16:49:43 +0100	[thread overview]
Message-ID: <1399218596-21321-3-git-send-email-kerolasa@iki.fi> (raw)
In-Reply-To: <1399218596-21321-1-git-send-email-kerolasa@iki.fi>

Exit immediately at error.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 sys-utils/cytune.c | 46 ++++++++++++++++------------------------------
 1 file changed, 16 insertions(+), 30 deletions(-)

diff --git a/sys-utils/cytune.c b/sys-utils/cytune.c
index 544865f..64e15cc 100644
--- a/sys-utils/cytune.c
+++ b/sys-utils/cytune.c
@@ -274,9 +274,7 @@ int main(int argc, char **argv)
 {
 	int query = 0;
 	int interval = 1;
-	int errflg = 0;
 	int file;
-	int numfiles;
 	int i;
 
 	int get_current = 0;
@@ -327,49 +325,39 @@ int main(int argc, char **argv)
 		case 'i':
 			interval = strtou32_or_err(optarg,
 						_("Invalid interval value"));
-			if (interval < 1) {
-				warnx(_("Invalid interval value: %d"),
-				      interval);
-				errflg++;
-			}
+			if (interval < 1)
+				errx(EXIT_FAILURE, _("Invalid interval value: %d"),
+						     interval);
 			break;
 		case 's':
 			++set_threshold;
 			threshold_val = strtou32_or_err(optarg, _("Invalid threshold value"));
-			if (threshold_val < 1 || 12 < threshold_val) {
-				warnx(_("Invalid threshold value: %d"), threshold_val);
-				errflg++;
-			}
+			if (threshold_val < 1 || 12 < threshold_val)
+				errx(EXIT_FAILURE, _("Invalid threshold value: %d"), threshold_val);
 			break;
 		case 'S':
 			++set_threshold_def;
 			threshold_def_val = strtou32_or_err(optarg,
 						_("Invalid threshold default value"));
-			if (threshold_def_val < 0 || 12 < threshold_def_val) {
-				warnx(_("Invalid threshold default value: %d"),
-				      threshold_def_val);
-				errflg++;
-			}
+			if (threshold_def_val < 0 || 12 < threshold_def_val)
+				errx(EXIT_FAILURE, ("Invalid threshold default value: %d"),
+						    threshold_def_val);
 			break;
 		case 't':
 			++set_timeout;
 			timeout_val = strtou32_or_err(optarg,
 						_("Invalid set timeout value"));
-			if (timeout_val < 1 || 255 < timeout_val) {
-				warnx(_("Invalid set timeout value: %d"),
-				      timeout_val);
-				errflg++;
-			}
+			if (timeout_val < 1 || 255 < timeout_val)
+				errx(EXIT_FAILURE, _("Invalid set timeout value: %d"),
+						     timeout_val);
 			break;
 		case 'T':
 			++set_threshold_def;
 			timeout_def_val = strtou32_or_err(optarg,
 						_("Invalid default timeout value"));
-			if (timeout_def_val < 0 || 255 < timeout_def_val) {
-				warnx(_("Invalid default time value: %d"),
-				      timeout_def_val);
-				errflg++;
-			}
+			if (timeout_def_val < 0 || 255 < timeout_def_val)
+				errx(EXIT_FAILURE, _("Invalid default time value: %d"),
+						     timeout_def_val);
 			break;
 		case 'g':
 			++get_current;
@@ -387,10 +375,8 @@ int main(int argc, char **argv)
 			usage(stderr);
 		}
 	}
-	numfiles = argc - optind;
 
-	if (errflg
-	    || (numfiles == 0)
+	if (argc - optind == 0
 	    || (!query && !set_threshold && !set_threshold_def && !get_defaults && !get_current && !set_timeout && !set_timeout_def)
 	    || (set_threshold && set_threshold_def)
 	    || (set_timeout && set_timeout_def)
@@ -458,7 +444,7 @@ int main(int argc, char **argv)
 	if (!query)
 		return EXIT_SUCCESS;
 
-	query_tty_stats(argc, argv, interval, numfiles, &threshold_value, &timeout_value);
+	query_tty_stats(argc, argv, interval, argc - optind, &threshold_value, &timeout_value);
 
 	return EXIT_SUCCESS;
 }
-- 
1.9.2


  parent reply	other threads:[~2014-05-04 15:50 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-04 15:49 [PATCH 00/15] cytune modernization Sami Kerola
2014-05-04 15:49 ` [PATCH 01/15] cytune: rename threshold and timeout variables Sami Kerola
2014-05-05  8:34   ` Benno Schulenberg
2014-05-04 15:49 ` Sami Kerola [this message]
2014-05-05  8:29   ` [PATCH 02/15] cytune: remove unnecessary variables Benno Schulenberg
2014-05-04 15:49 ` [PATCH 03/15] cytune: be consistent with interval data type Sami Kerola
2014-05-04 15:49 ` [PATCH 04/15] cytune: use single loop for setting and getting ioctl() calls Sami Kerola
2014-05-05  8:24   ` Benno Schulenberg
2014-05-04 15:49 ` [PATCH 05/15] cytune: kernel still does not have send_count in cyclades_monitor structure Sami Kerola
2014-05-04 15:49 ` [PATCH 06/15] cytune: prefer sigaction(), and remove unnecessary abstractions Sami Kerola
2014-05-04 15:49 ` [PATCH 07/15] cytune: add cyg_get_mon() to avoid duplicate code Sami Kerola
2014-05-04 15:49 ` [PATCH 08/15] cytune: add structure to hold run time configuration Sami Kerola
2014-05-04 15:49 ` [PATCH 09/15] cytune: pull signal handling and statistic priting apart Sami Kerola
2014-05-04 15:49 ` [PATCH 10/15] cytune: remove unnecessary type casts Sami Kerola
2014-05-04 15:49 ` [PATCH 11/15] cytune: deprecate undescriptive options Sami Kerola
2014-05-04 15:49 ` [PATCH 12/15] cytune: add filename to struct cyclades_control Sami Kerola
2014-05-04 15:49 ` [PATCH 13/15] cytune: add noreturn function attributes Sami Kerola
2014-05-04 15:49 ` [PATCH 14/15] cytune: use matching type in struct cyclades_control with kernel Sami Kerola
2014-05-04 15:49 ` [PATCH 15/15] cytune: update copyright Sami Kerola
2014-05-07  7:10 ` [PATCH 00/15] cytune modernization Karel Zak
2014-05-07  8:12   ` Sami Kerola

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