seq: fix input handling in non-C locales

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/coreutils/seq.c b/coreutils/seq.c
index bb39a5b54..03ae3c632 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -22,8 +22,15 @@ int seq_main(int argc, char **argv)
 	unsigned width;
 	unsigned frac_part;
 	const char *sep, *opt_s = "\n";
-	unsigned opt = getopt32(argv, "+ws:", &opt_s);
+	unsigned opt;
 
+#if ENABLE_LOCALE_SUPPORT
+	/* Undo busybox.c: on input, we want to use dot
+	 * as fractional separator, regardless of current locale */
+	setlocale(LC_NUMERIC, "C");
+#endif
+
+	opt = getopt32(argv, "+ws:", &opt_s);
 	argc -= optind;
 	argv += optind;
 	first = increment = 1;
@@ -44,6 +51,10 @@ int seq_main(int argc, char **argv)
 			bb_show_usage();
 	}
 
+#if ENABLE_LOCALE_SUPPORT
+	setlocale(LC_NUMERIC, "");
+#endif
+
 	/* Last checked to be compatible with: coreutils-6.10 */
 	width = 0;
 	frac_part = 0;