remove warnings

include/afl-fuzz.h

@@ -390,7 +390,8 @@ typedef struct afl_env_vars {
       *afl_hang_tmout, *afl_forksrv_init_tmout, *afl_skip_crashes, *afl_preload,
       *afl_max_det_extras, *afl_statsd_host, *afl_statsd_port,
       *afl_crash_exitcode, *afl_statsd_tags_flavor, *afl_testcache_size,
-      *afl_testcache_entries, *afl_kill_signal, *afl_target_env, *afl_persistent_record;
+      *afl_testcache_entries, *afl_kill_signal, *afl_target_env,
+      *afl_persistent_record;
 
 } afl_env_vars_t;
 

include/config.h

@@ -77,8 +77,9 @@
 
 /* If a persistent target keeps state and found crashes are not reproducable
    then enable this option and set the AFL_PERSISTENT_RECORD env variable
-   to a number. These number of testcases prior the crash will be kept and
-   also written to the crash/ directory */
+   to a number. These number of testcases prior and including the crash case
+   will be kept and written to the crash/ directory as RECORD:... files.
+   Note that every crash will be written, not only unique ones! */
 
 //#define AFL_PERSISTENT_RECORD
 

include/forkserver.h

@@ -96,12 +96,14 @@ typedef struct afl_forkserver {
 
   /* persistent mode replay functionality */
   u32 persistent_record;                /* persistent replay setting        */
+#ifdef AFL_PERSISTENT_RECORD
   u32  persistent_record_idx;           /* persistent replay cache ptr      */
   u32  persistent_record_cnt;           /* persistent replay counter        */
   u8 * persistent_record_dir;
   u8 **persistent_record_data;
   u32 *persistent_record_len;
   s32  persistent_record_pid;
+#endif
 
   /* Function to kick off the forkserver child */
   void (*init_child_func)(struct afl_forkserver *fsrv, char **argv);

src/afl-forkserver.c

@@ -380,6 +380,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
     }
 
   }
+
 #endif
 
   if (fsrv->use_fauxsrv) {
@@ -1073,6 +1074,7 @@ void afl_fsrv_write_to_testcase(afl_forkserver_t *fsrv, u8 *buf, size_t len) {
     }
 
   }
+
 #endif
 
   if (likely(fsrv->use_shmem_fuzz && fsrv->shmem_fuzz)) {
@@ -1206,6 +1208,7 @@ fsrv_run_result_t afl_fsrv_run_target(afl_forkserver_t *fsrv, u32 timeout,
     fsrv->persistent_record_len[idx] = val;
 
   }
+
 #endif
 
   if (fsrv->child_pid <= 0) {
@@ -1336,6 +1339,7 @@ fsrv_run_result_t afl_fsrv_run_target(afl_forkserver_t *fsrv, u32 timeout,
       ++fsrv->persistent_record_cnt;
 
     }
+
 #endif
 
     /* For a proper crash, set last_kill_signal to WTERMSIG, else set it to 0 */

src/afl-fuzz.c

@@ -1048,7 +1048,9 @@ int main(int argc, char **argv_orig, char **envp) {
 
   #else
 
-    FATAL("afl-fuzz was not compiled with AFL_PERSISTENT_RECORD enabled in config.h!");
+    FATAL(
+        "afl-fuzz was not compiled with AFL_PERSISTENT_RECORD enabled in "
+        "config.h!");
 
   #endif
 
@@ -1520,6 +1522,7 @@ int main(int argc, char **argv_orig, char **envp) {
 
   check_binary(afl, argv[optind]);
 
+  #ifdef AFL_PERSISTENT_RECORD
   if (unlikely(afl->fsrv.persistent_record)) {
 
     if (!getenv(PERSIST_ENV_VAR)) {
@@ -1534,6 +1537,8 @@ int main(int argc, char **argv_orig, char **envp) {
 
   }
 
+  #endif
+
   if (afl->shmem_testcase_mode) { setup_testcase_shmem(afl); }
 
   afl->start_time = get_cur_time();

src/afl-showmap.c

@@ -955,7 +955,6 @@ int main(int argc, char **argv_orig, char **envp) {
 
   }
 
-
   if (in_dir) {
 
     /* If we don't have a file name chosen yet, use a safe default. */