Add error checking to 'cmd' buffer as it may not be available (ie. in the case of exec).
llvm-svn: 192318
diff --git a/lldb/source/Host/linux/Host.cpp b/lldb/source/Host/linux/Host.cpp
index c23e8e4..232f0c3 100644
--- a/lldb/source/Host/linux/Host.cpp
+++ b/lldb/source/Host/linux/Host.cpp
@@ -403,18 +403,21 @@
// Get the commond line used to start the process.
buf_sp = ReadProcPseudoFile(pid, "cmdline");
- // Grab Arg0 first.
+ // Grab Arg0 first, if there is one.
char *cmd = (char *)buf_sp->GetBytes();
- process_info.SetArg0(cmd);
-
- // Now process any remaining arguments.
- Args &info_args = process_info.GetArguments();
- char *next_arg = cmd + strlen(cmd) + 1;
- end_buf = cmd + buf_sp->GetByteSize();
- while (next_arg < end_buf && 0 != *next_arg)
+ if (cmd)
{
- info_args.AppendArgument(next_arg);
- next_arg += strlen(next_arg) + 1;
+ process_info.SetArg0(cmd);
+
+ // Now process any remaining arguments.
+ Args &info_args = process_info.GetArguments();
+ char *next_arg = cmd + strlen(cmd) + 1;
+ end_buf = cmd + buf_sp->GetByteSize();
+ while (next_arg < end_buf && 0 != *next_arg)
+ {
+ info_args.AppendArgument(next_arg);
+ next_arg += strlen(next_arg) + 1;
+ }
}
// Read /proc/$PID/stat to get our parent pid.