Bugfix: Correct handling of n in strncat()

src/jolly/dsp.c

@@ -144,7 +144,7 @@ void set_speech_string(jolly_t *jolly, char announcement, const char *number)
 {
 	jolly->speech_string[0] = announcement;
 	jolly->speech_string[1] = '\0';
-	strncat(jolly->speech_string, number, sizeof(jolly->speech_string) - 1);
+	strncat(jolly->speech_string, number, sizeof(jolly->speech_string) - strlen(number) - 1);
 	jolly->speech_digit = 0;
 	jolly->speech_pos = 0;
 }

src/libsdr/sdr.c

@@ -636,7 +636,7 @@ int sdr_start(void *inst)
 			return rc;
 		}
 		pthread_getname_np(tid, tname, sizeof(tname));
-		strncat(tname, "-sdr_tx", sizeof(tname) - 1);
+		strncat(tname, "-sdr_tx", sizeof(tname) - 7 - 1);
 		tname[sizeof(tname) - 1] = '\0';
 		pthread_setname_np(tid, tname);
 		sdr->thread_read.running = 1;
@@ -648,7 +648,7 @@ int sdr_start(void *inst)
 			return rc;
 		}
 		pthread_getname_np(tid, tname, sizeof(tname));
-		strncat(tname, "-sdr_rx", sizeof(tname) - 1);
+		strncat(tname, "-sdr_rx", sizeof(tname) - 7 - 1);
 		tname[sizeof(tname) - 1] = '\0';
 		pthread_setname_np(tid, tname);
 	}