patches/16.oss_fuzz_import.patch

Change 409297624 by jvoisin@jvoisin:CS-wordlist2hunspell-2021-11-11_155813:9670:citc on 2021/11/11 19:00:20

	Import hunspell's fuzzer from OSS-Fuzz
	
	PRESUBMIT=passed
	BUG=202533043
	R=jiho
	APPROVED=jiho
	REQUIRED_REVIEW=1
	DELTA=99 (99 added, 0 deleted, 0 changed)
	DELTA_BY_EXTENSION=cxx=81
	OCL=409141596

Affected files ...

... //depot//BUILD#25 edit
... //depot//src/tools/fuzzer.cxx#1 add

==== //depot//src/tools/fuzzer.cxx - /google/src/files/409297624/depot//src/tools/fuzzer.cxx ====
--- /dev/null	2024-07-09 14:08:07.516000169 -0400
+++ /google/src/files/409297624/depot//src/tools/fuzzer.cxx	2021-11-11 22:00:20.000000000 -0500
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <../hunspell/hunspell.hxx>
+#include <sys/types.h>
+#include <dirent.h>
+#include <string.h>
+#include <libgen.h>
+#include <memory>
+#include <vector>
+#include <string>
+
+std::vector<std::unique_ptr<Hunspell>> dictionaries;
+
+bool endswith(const std::string &str, const std::string &suffix)
+{
+    return str.size() >= suffix.size() &&
+           str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
+}
+
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
+{
+    char* exe_path = (*argv)[0];
+    // dirname() can modify its argument.
+    char* exe_path_copy = strdup(exe_path);
+    char* dir = dirname(exe_path_copy);
+    DIR* d = opendir(dir);
+    struct dirent *direntry;
+    while ((direntry = readdir(d)) != NULL)
+    {
+        std::string entry(direntry->d_name);
+        if (endswith(entry, ".aff"))
+        {
+            std::string dic = entry.substr(0, entry.size() - 4) + ".dic";
+            dictionaries.emplace_back(new Hunspell(entry.c_str(), dic.c_str()));
+        }
+    }
+    closedir(d);
+    free(exe_path_copy);
+
+    return 0;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const char* data, size_t size)
+{
+    std::string word(data, size);
+    char **slist;
+    for (auto& dict : dictionaries)
+    {
+        if (!dict->spell(word.c_str()))
+            dict->suggest( &slist, word.c_str());
+    }
+    return 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
\ No newline at end of file