diff options
Diffstat (limited to 'gpsd.c')
| -rw-r--r-- | gpsd.c | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -1332,13 +1332,18 @@ static void handle_control(int sfd, char *buf) *eq++ = '\0'; len = strlen(eq)+5; if ((chp = find_device(stash)) != NULL) { - gpsd_report(LOG_INF,"<= control(%d): writing fromhex(%s) to %s\n", sfd, eq, stash); /* NOTE: this destroys the original buffer contents */ len = (size_t)gpsd_hexpack(eq, eq, len); - ignore_return(write(chp->gpsdata.gps_fd, eq, len)); - ignore_return(write(sfd, "OK\n", 3)); + if (len < 0) + gpsd_report(LOG_INF,"<= control(%d): invalid hex string (error %d)\n", sfd, len); + else + { + gpsd_report(LOG_INF,"<= control(%d): writing fromhex(%s) to %s\n", sfd, eq, stash); + ignore_return(write(chp->gpsdata.gps_fd, eq, len)); + ignore_return(write(sfd, "OK\n", 3)); + } } else { - gpsd_report(LOG_INF,"<= control(%d): %s not active \n", sfd, stash); + gpsd_report(LOG_INF,"<= control(%d): %s not active\n", sfd, stash); ignore_return(write(sfd, "ERROR\n", 6)); } } |