[PATCH 1/2] xfs_fsr: replace atoi() with strtol()

[Andrey Albershteyn <aalbersh@xxxxxxxxxx>]

Replace atoi() which silently fails with strtol() and report the
error.

Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
---
 fsr/xfs_fsr.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c
index 4e29a8a2c548..5fabc965183e 100644
--- a/fsr/xfs_fsr.c
+++ b/fsr/xfs_fsr.c
@@ -164,7 +164,12 @@ main(int argc, char **argv)
 			usage(1);
 			break;
 		case 't':
-			howlong = atoi(optarg);
+			howlong = strtol(optarg, NULL, 10);
+			if (errno) {
+				fprintf(stderr, _("%s: invalid interval: %s\n"),
+					progname, strerror(errno));
+				exit(1);
+			}
 			if (howlong > INT_MAX) {
 				fprintf(stderr, _("%s: too long\n"), progname);
 				exit(1);
@@ -177,10 +182,22 @@ main(int argc, char **argv)
 			mtab = optarg;
 			break;
 		case 'b':
-			argv_blksz_dio = atoi(optarg);
+			argv_blksz_dio = strtol(optarg, NULL, 10);
+			if (errno) {
+				fprintf(stderr,
+					_("%s: invalid block size: %s\n"),
+					progname, strerror(errno));
+				exit(1);
+			}
 			break;
 		case 'p':
-			npasses = atoi(optarg);
+			npasses = strtol(optarg, NULL, 10);
+			if (errno) {
+				fprintf(stderr,
+					_("%s: invalid number of passes: %s\n"),
+					progname, strerror(errno));
+				exit(1);
+			}
 			break;
 		case 'C':
 			/* Testing opt: coerses frag count in result */
-- 
2.42.0