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-rw-r--r--gdb/windows-nat.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index f0d97fa..277b473 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -1015,11 +1015,12 @@ static void
child_attach (char *args, int from_tty)
{
BOOL ok;
- DWORD pid = strtoul (args, 0, 0);
+ DWORD pid;
if (!args)
error_no_arg ("process-id to attach");
+ pid = strtoul (args, 0, 0);
ok = DebugActiveProcess (pid);
if (!ok)