From: Hartmut Knaack <knaack.h@gmx.de>
Date: Sun, 31 May 2015 12:40:03 +0000 (+0200)
Subject: tools:iio:generic_buffer: catch errors for arguments conversion
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c8ce9903cba202936999c2c9463fbb370ee145ba;p=openwrt%2Fstaging%2Fblogic.git

tools:iio:generic_buffer: catch errors for arguments conversion

Add handler to catch errors on conversion of numerical arguments.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
index eb89bc2ca5d0..93ac93f74549 100644
--- a/tools/iio/generic_buffer.c
+++ b/tools/iio/generic_buffer.c
@@ -206,13 +206,22 @@ int main(int argc, char **argv)
 			noevents = 1;
 			break;
 		case 'c':
+			errno = 0;
 			num_loops = strtoul(optarg, &dummy, 10);
+			if (errno)
+				return -errno;
 			break;
 		case 'w':
+			errno = 0;
 			timedelay = strtoul(optarg, &dummy, 10);
+			if (errno)
+				return -errno;
 			break;
 		case 'l':
+			errno = 0;
 			buf_len = strtoul(optarg, &dummy, 10);
+			if (errno)
+				return -errno;
 			break;
 		case 'g':
 			notrigger = 1;