kern/fmt: fix 0 and octal integer parsing

1 files changed, 6 insertions, 0 deletions

diff --git a/kern/fmt.c b/kern/fmt.c
index 06284de..1c635e1 100644
--- a/kern/fmt.c
+++ b/kern/fmt.c
@@ -1110,11 +1110,17 @@ fmt_sscanf_state_produce_int(struct fmt_sscanf_state *state)
                 c = fmt_sscanf_state_consume_string(state);
             } else {
                 fmt_sscanf_state_restore_string(state);
+                c = '0';
             }
         } else {
             if (state->base == 0) {
                 state->base = 8;
             }
+
+            if (state->base != 8) {
+                fmt_sscanf_state_restore_string(state);
+                c = '0';
+            }
         }
     }