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docs: document what configure does with virtual environments
[qmiga/qemu.git]
/
qemu-edid.c
diff --git
a/qemu-edid.c
b/qemu-edid.c
index
20c958d
..
92e1a66
100644
(file)
--- a/
qemu-edid.c
+++ b/
qemu-edid.c
@@
-92,6
+92,10
@@
int main(int argc, char *argv[])
fprintf(stderr, "not a number: %s\n", optarg);
exit(1);
}
+ if (dpi == 0) {
+ fprintf(stderr, "cannot be zero: %s\n", optarg);
+ exit(1);
+ }
break;
case 'v':
info.vendor = optarg;