Fix #281

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -283,12 +283,11 @@ int64_t         wrap_ts = 0;
 unsigned int    u_sf_mode = 0;                         // 1=record, 2=replay
 unsigned int    u_sf_record = 0;                       // record mode
 unsigned int    u_sf_replay = 0;                       // replay mode
-char            u_sf_filename[1024];                   // subframes file path
+char            u_sf_filename[1024] = "";              // subframes file path
 unsigned int    u_sf_max = DEF_NB_SF;                  // max number of recorded subframes
 unsigned int    u_sf_loops = DEF_SF_NB_LOOP;           // number of loops in replay mode
 unsigned int    u_sf_read_delay = DEF_SF_DELAY_READ;   // read delay in replay mode
 unsigned int    u_sf_write_delay = DEF_SF_DELAY_WRITE; // write delay in replay mode
-char           *tmp_filename[1];                       // use an array of pointer (libconfig does not seems to work with char array yet)
 
 char config_opt_sf_file[] = CONFIG_OPT_SF_FILE;
 char config_def_sf_file[] = DEF_SF_FILE;
@@ -837,7 +836,7 @@ int trx_usrp_recplay_config_init(paramdef_t *usrp_recplay_params) {
     memcpy(usrp_recplay_params[0].optname, config_opt_sf_file, strlen(config_opt_sf_file));
     usrp_recplay_params[0].helpstr = config_hlp_sf_file;
     usrp_recplay_params[0].paramflags=PARAMFLAG_NOFREE;
-    usrp_recplay_params[0].strptr=(char **)&tmp_filename[0];
+    usrp_recplay_params[0].strptr=(char **)&u_sf_filename;
     usrp_recplay_params[0].defstrval = NULL;
     usrp_recplay_params[0].type=TYPE_STRING;
     usrp_recplay_params[0].numelt=sizeof(u_sf_filename);
@@ -912,16 +911,13 @@ extern "C" {
       // end to check
       memset(usrp_recplay_params, 0, 7*sizeof(paramdef_t));
       memset(&u_sf_filename[0], 0, 1024);
-      tmp_filename[0] = u_sf_filename;
       if (trx_usrp_recplay_config_init(usrp_recplay_params) != 0) {
 	std::cerr << "USRP device record/replay mode configuration error exiting" << std::endl;
 	return -1;
       }
       config_process_cmdline(usrp_recplay_params,sizeof(usrp_recplay_params)/sizeof(paramdef_t),NULL);
 
-      if (strlen(tmp_filename[0]) != 0) {
-	(void) strcpy(u_sf_filename, tmp_filename[0]);
-      } else {
+      if (strlen(u_sf_filename) == 0) {
 	(void) strcpy(u_sf_filename, DEF_SF_FILE);
       }