gdb/
* remote.c (remote_get_noisy_reply): Replace `sprintf' with
`xsnprintf'.
(remote_query_attached): Likewise.
(remote_static_tracepoint_marker_at): Likewise.
(remote_set_permissions): Likewise.
(remote_detach_1, extended_remote_attach_1): Likewise.
(send_g_packet, remote_vkill): Likewise.
(extended_remote_disable_randomization): Likewise.
(remote_add_target_side_condition): Likewise.
(remote_insert_breakpoint): Likewise.
(remote_remove_breakpoint): Likewise.
(remote_insert_watchpoint): Likewise.
(remote_remove_watchpoint): Likewise.
(remote_insert_hw_breakpoint): Likewise.
(remote_insert_hw_breakpoint): Likewise.
(remote_remove_hw_breakpoint): Likewise.
(remote_download_command_source): Likewise.
(remote_download_tracepoint): Likewise.
(remote_download_trace_state_variable): Likewise.
(remote_disable_tracepoint): Likewise.
(remote_trace_set_readonly_regions): Likewise.
(remote_get_tracepoint_status): Likewise.
(remote_trace_find): Likewise.
(remote_get_trace_state_variable_value): Likewise.
(remote_set_disconnected_tracing): Likewise.
(remote_set_circular_trace_buffer): Likewise.
(remote_get_min_fast_tracepoint_insn_len): Likewise.
(remote_use_agent): Likewise.
(remote_add_target_side_condition): Add one parameter BUF_SIZE.
Update callers.