diff options
| -rw-r--r-- | sys/src/cmd/qr.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/src/cmd/qr.c b/sys/src/cmd/qr.c index 332da7e3b..408141bfb 100644 --- a/sys/src/cmd/qr.c +++ b/sys/src/cmd/qr.c @@ -732,8 +732,11 @@ main(int argc, char **argv) b = qrcode(ver, lev, mode, buf, rc, &s); if(b == nil) sysfatal("%r"); - print("%11s %11d %11d %11d %11d ", "k8", 0, 0, s, s); - write(1, b, s * s); + if(print("%11s %11d %11d %11d %11d ", "k8", 0, 0, s, s) != 5*12) + sysfatal("print: %r"); + if(write(1, b, s*s) != s*s) + sysfatal("write: %r"); + exits(0); } uchar qrrawpolys[] = { |