From 0a713d52bbf3e061823d1a7f35e5303e7320f27a Mon Sep 17 00:00:00 2001
From: Philippe Antoine <contact@catenacyber.fr>
Date: Tue, 11 May 2021 14:59:23 +0200
Subject: [PATCH] fuzz: use binary directory for ESPEAK_DATA_PATH

instead of current working directory
so, the fuzzer can be launched from anywhere
---
 tests/ssml-fuzzer.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tests/ssml-fuzzer.c b/tests/ssml-fuzzer.c
index 822a8c1a..dae7bfdf 100644
--- a/tests/ssml-fuzzer.c
+++ b/tests/ssml-fuzzer.c
@@ -20,6 +20,8 @@
 
 #include <stdint.h>
 #include <stdlib.h>
+#include <string.h>
+#include <libgen.h>
 
 #include <espeak-ng/espeak_ng.h>
 
@@ -37,9 +39,19 @@ static int SynthCallback(short *wav, int numsamples, espeak_EVENT *events) {
 
 /* See http://llvm.org/docs/LibFuzzer.html */
 extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
+extern int LLVMFuzzerInitialize(const int* argc, char*** argv);
+
+char *filepath = NULL;
+
+extern int LLVMFuzzerInitialize(const int* argc, char*** argv)
+{
+	filepath = dirname(strdup((*argv)[0]));
+	return 0;
+}
+
 extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 	if (!initialized) {
-               setenv("ESPEAK_DATA_PATH",".",0);
+		setenv("ESPEAK_DATA_PATH",filepath,0);
 		espeak_Initialize(AUDIO_OUTPUT_SYNCHRONOUS, 0, NULL, 0);
 		espeak_SetSynthCallback(SynthCallback);
 		initialized = 1;