printf: fix breakage in handling '*'

diff --git a/coreutils/printf.c b/coreutils/printf.c
index b0a48cda4a1738b0baf95456a4e566efd245e579..ca8e51cf2243dbfb87549641d7ac39db50831786 100644 (file)
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -139,14 +139,14 @@ static void print_direc(char *format, unsigned fmt_length,
        char saved;
        char *have_prec, *have_width;
 
+       saved = format[fmt_length];
+       format[fmt_length] = '\0';
+
        have_prec = strstr(format, ".*");
        have_width = strchr(format, '*');
        if (have_width - 1 == have_prec)
                have_width = NULL;
 
-       saved = format[fmt_length];
-       format[fmt_length] = '\0';
-
        switch (format[fmt_length - 1]) {
        case 'c':
                printf(format, *argument);