printf: (allegedly) fix testsuite failure

Signed-off-by: Colin Watson <cjwatson@ubuntu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/coreutils/printf.c b/coreutils/printf.c
index 5b326c643..eb53fa490 100644
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -152,6 +152,8 @@ static void print_direc(char *format, unsigned fmt_length,
         if (have_width - 1 == have_prec)
                 have_width = NULL;
 
+        errno = 0;
+
         switch (format[fmt_length - 1]) {
         case 'c':
                 printf(format, *argument);