altos: Shrink ao_config_callsign_set

[fw/altos] / src / ao_config.c

diff --git a/src/ao_config.c b/src/ao_config.c
index c7fc7dd234786debbe434da390ba378ff286d2c0..2434bc6cd273d0b162a733480f70dd614b9c3759 100644 (file)
--- a/src/ao_config.c
+++ b/src/ao_config.c
@@ -116,8 +116,9 @@ void
 ao_config_callsign_set(void) __reentrant
 {
        uint8_t c;
-       char callsign[AO_MAX_CALLSIGN + 1];
+       static __xdata char callsign[AO_MAX_CALLSIGN + 1];
 
+       memset(callsign, '\0', sizeof callsign);
        ao_cmd_white();
        c = 0;
        while (ao_cmd_lex_c != '\n') {
@@ -131,8 +132,6 @@ ao_config_callsign_set(void) __reentrant
                return;
        ao_mutex_get(&ao_config_mutex);
        _ao_config_get();
-       while (c < AO_MAX_CALLSIGN + 1)
-               callsign[c++] = '\0';
        memcpy(&ao_config.callsign, &callsign,
               AO_MAX_CALLSIGN + 1);
        ao_config_dirty = 1;