From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Thu, 15 Apr 2021 15:44:52 +0000 (-0700)
Subject: Added Z_FIXED and direct gzip out modes to minigzip fuzzer.
X-Git-Tag: 2.0.3~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dce3a097dd25fd9aeb02c24ce31cae3606b0e3f1;p=thirdparty%2Fzlib-ng.git

Added Z_FIXED and direct gzip out modes to minigzip fuzzer.
---

diff --git a/test/fuzz/minigzip_fuzzer.c b/test/fuzz/minigzip_fuzzer.c
index 5a15c662b..7c5d3ef63 100644
--- a/test/fuzz/minigzip_fuzzer.c
+++ b/test/fuzz/minigzip_fuzzer.c
@@ -267,7 +267,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataLen) {
     /* Compression level: [0..9]. */
     outmode[2] = data[0] % 10;
 
-    switch (data[dataLen-1] % 4) {
+    switch (data[dataLen-1] % 6) {
     default:
     case 0:
         outmode[3] = 0;
@@ -284,6 +284,14 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataLen) {
         /* compress with Z_RLE */
         outmode[3] = 'R';
         break;
+    case 4:
+        /* compress with Z_FIXED */
+        outmode[3] = 'F';
+        break;
+    case 5:
+        /* direct */
+        outmode[3] = 'T';
+        break;
     }
 
     file_compress(inFileName, outmode);