Fix bug (wrong value computed) when reading file from stdin, implement

[oweals/busybox.git] / coreutils / fold.c

diff --git a/coreutils/fold.c b/coreutils/fold.c
index f9ae526df55791127a3edd75058ebbe8e325a5fb..df51107553b0e596f3ebbcc40e9cf0f9c6da520a 100644 (file)
--- a/coreutils/fold.c
+++ b/coreutils/fold.c
@@ -97,15 +97,7 @@ extern int fold_main(int argc, char **argv)
                                break_spaces = 1;
                                break;
                        case 'w': {     /* Line width. */
-                               long int tmp_long;
-                               char *end_ptr;
-
-                               errno = 0;
-                               tmp_long = strtol(optarg, &end_ptr, 10);
-                               if (!end_ptr || errno || tmp_long < 1) {
-                                       bb_error_msg_and_die("invalid number of columns: `%s'", optarg);
-                               }
-                               width = (int) tmp_long;
+                               width = bb_xgetlarg(optarg, 10, 1, 10000);
                                break;
                        }
                        default: