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-rw-r--r--coreutils/printf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/coreutils/printf.c b/coreutils/printf.c
index bc22e0e..65bb5a9 100644
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -305,7 +305,7 @@ static char **print_formatted(char *f, char **argv, int *conv_err)
}
break;
}
- if (strchr("-+ #", *f)) {
+ if (*f && strchr("-+ #", *f)) {
++f;
++direc_length;
}
@@ -348,7 +348,7 @@ static char **print_formatted(char *f, char **argv, int *conv_err)
static const char format_chars[] ALIGN1 = "diouxXfeEgGcs";
char *p = strchr(format_chars, *f);
/* needed - try "printf %" without it */
- if (p == NULL) {
+ if (p == NULL || *f == '\0') {
bb_error_msg("%s: invalid format", direc_start);
/* causes main() to exit with error */
return saved_argv - 1;