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;