diff options
Diffstat (limited to 'src/cmd/devdraw/nowsys.c')
-rw-r--r-- | src/cmd/devdraw/nowsys.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/cmd/devdraw/nowsys.c b/src/cmd/devdraw/nowsys.c new file mode 100644 index 00000000..fd8b7ee1 --- /dev/null +++ b/src/cmd/devdraw/nowsys.c @@ -0,0 +1,40 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> +#include <mouse.h> +#include <cursor.h> +#include <drawfcall.h> + +void +usage(void) +{ + fprint(2, "usage: devdraw (don't run directly)\n"); + exits("usage"); +} + +void +main(int argc, char **argv) +{ + int n; + uchar buf[1024*1024]; + Wsysmsg m; + + ARGBEGIN{ + case 'D': + break; + default: + usage(); + }ARGEND + + if(argc != 0) + usage(); + + while((n = readwsysmsg(0, buf, sizeof buf)) > 0){ + convM2W(buf, n, &m); + m.type = Rerror; + m.error = "no window system present"; + n = convW2M(&m, buf, sizeof buf); + write(1, buf, n); + } + exits(0); +} |