fix(fmt): incorrect dispatch handlingHEADmaster

1 files changed, 2 insertions, 1 deletions

diff --git a/sys/libfmt/do.c b/sys/libfmt/do.c
index 0a930b0..1e033d6 100644
--- a/sys/libfmt/do.c
+++ b/sys/libfmt/do.c
@@ -139,8 +139,9 @@ dispatch(fmt·State *io, char *fmt)
             i = va_arg(io->args, int);
             if(i < 0){
                 if(io->flag&fmt·Prec){
-                    io->flag = ~fmt·Prec;
+                    io->flag &= ~fmt·Prec;
                     io->prec = 0;
+                    continue;
                 }
                 i = -i;
                 io->flag |= fmt·Left;