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-rw-r--r--include/afl-fuzz.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/afl-fuzz.h b/include/afl-fuzz.h
index 69fea579..1e8d085d 100644
--- a/include/afl-fuzz.h
+++ b/include/afl-fuzz.h
@@ -344,6 +344,7 @@ enum {
   /* 12 */ PY_FUNC_INTROSPECTION,
   /* 13 */ PY_FUNC_DESCRIBE,
   /* 14 */ PY_FUNC_FUZZ_SEND,
+  /* 15 */ PY_FUNC_SPLICE_OPTOUT,
   PY_FUNC_COUNT
 
 };
@@ -495,6 +496,7 @@ typedef struct afl_state {
       no_unlink,                        /* do not unlink cur_input          */
       debug,                            /* Debug mode                       */
       custom_only,                      /* Custom mutator only mode         */
+      custom_splice_optout,             /* Custom mutator no splice buffer  */
       is_main_node,                     /* if this is the main node         */
       is_secondary_node,                /* if this is a secondary instance  */
       pizza_is_served;                  /* pizza mode                       */
@@ -829,6 +831,17 @@ struct custom_mutator {
   u32 (*afl_custom_fuzz_count)(void *data, const u8 *buf, size_t buf_size);
 
   /**
+   * Opt-out of a splicing input for the fuzz mutator
+   *
+   * Empty dummy function. It's presence tells afl-fuzz not to pass a
+   * splice data pointer and len.
+   *
+   * @param data pointer returned in afl_custom_init by this custom mutator
+   * @noreturn
+   */
+  void (*afl_custom_splice_optout)(void *data);
+
+  /**
    * Perform custom mutations on a given input
    *
    * (Optional for now. Required in the future)
@@ -1057,6 +1070,7 @@ u8          havoc_mutation_probability_py(void *);
 u8          queue_get_py(void *, const u8 *);
 const char *introspection_py(void *);
 u8          queue_new_entry_py(void *, const u8 *, const u8 *);
+void        splice_optout(void *);
 void        deinit_py(void *);
 
 #endif