grep: error if sbrk fails

[plan9front.git] / sys / src / cmd / mug.c

diff --git a/sys/src/cmd/mug.c b/sys/src/cmd/mug.c
old mode 100755 (executable)
new mode 100644 (file)
index 27c4d66..19099c8
--- a/sys/src/cmd/mug.c
+++ b/sys/src/cmd/mug.c
@@ -1041,7 +1041,7 @@ main(int argc, char **argv)
                fd = 0;
 
        if (initdraw(0, 0, "mug") < 0)
-               sysfatal("initdraw failed");
+               sysfatal("initdraw failed: %r");
 
        if((orig = readimage(display, fd, 0)) == nil)
                sysfatal("readimage: %r");