From 8f9c4ec4a245751aa7aaa71673b68032f123bf21 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Marjam=C3=A4ki?= <daniel.marjamaki@gmail.com>
Date: Sat, 30 Mar 2019 11:40:30 +0100
Subject: [PATCH] oss-fuzz: max size of input data to analyze 10000

---
 oss-fuzz/main.cpp      | 10 ++++++----
 oss-fuzz/translate.cpp |  3 ++-
 oss-fuzz/type2.cpp     | 24 ++++++++++++++----------
 runastyle              |  2 ++
 4 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/oss-fuzz/main.cpp b/oss-fuzz/main.cpp
index ec40bd60e..e25050c84 100644
--- a/oss-fuzz/main.cpp
+++ b/oss-fuzz/main.cpp
@@ -27,10 +27,12 @@ public:
 };
 
 
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataSize) {
-
-    CppcheckExecutor cppcheckExecutor;
-    cppcheckExecutor.run(generateCode2(data, dataSize));
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataSize)
+{
+    if (dataSize < 10000) {
+        CppcheckExecutor cppcheckExecutor;
+        cppcheckExecutor.run(generateCode2(data, dataSize));
+    }
     return 0;
 }
 
diff --git a/oss-fuzz/translate.cpp b/oss-fuzz/translate.cpp
index 4edd2b568..6167ffced 100644
--- a/oss-fuzz/translate.cpp
+++ b/oss-fuzz/translate.cpp
@@ -4,7 +4,8 @@
 
 #include "type2.h"
 
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
     const char *filename = argc==2 ? argv[1] : nullptr;
 
     if (!filename) {
diff --git a/oss-fuzz/type2.cpp b/oss-fuzz/type2.cpp
index c127ad2f8..d5cc04d15 100644
--- a/oss-fuzz/type2.cpp
+++ b/oss-fuzz/type2.cpp
@@ -4,7 +4,8 @@
 
 
 
-static int getValue(const uint8_t *data, size_t dataSize, uint8_t maxValue, bool *done = nullptr) {
+static int getValue(const uint8_t *data, size_t dataSize, uint8_t maxValue, bool *done = nullptr)
+{
     static size_t pos;    // current "data" position
     static int dataValue; // value extracted from data
     static int ones;      // ones. This variable tracks if we need to add more stuff in "dataValue".
@@ -29,14 +30,15 @@ static int getValue(const uint8_t *data, size_t dataSize, uint8_t maxValue, bool
     return ret;
 }
 
-static std::string generateExpression2_lvalue(const uint8_t *data, size_t dataSize) {
+static std::string generateExpression2_lvalue(const uint8_t *data, size_t dataSize)
+{
     return "var" + std::to_string(1 + getValue(data, dataSize, 5));
 }
 
-static std::string generateExpression2_Op(const uint8_t *data, size_t dataSize, int numberOfGlobalConstants) {
+static std::string generateExpression2_Op(const uint8_t *data, size_t dataSize, int numberOfGlobalConstants)
+{
     std::ostringstream code;
-    switch (getValue(data, dataSize, 3))
-    {
+    switch (getValue(data, dataSize, 3)) {
     case 0:
         code << generateExpression2_lvalue(data, dataSize);
         break;
@@ -50,7 +52,8 @@ static std::string generateExpression2_Op(const uint8_t *data, size_t dataSize,
     return code.str();
 }
 
-static std::string generateExpression2_Expr(const uint8_t *data, size_t dataSize, int numberOfGlobalConstants, int depth=0) {
+static std::string generateExpression2_Expr(const uint8_t *data, size_t dataSize, int numberOfGlobalConstants, int depth=0)
+{
     ++depth;
     const unsigned int type = (depth > 3) ? 0 : getValue(data, dataSize, 3);
     const char binop[] = "=<>+-*/%&|^";
@@ -94,7 +97,8 @@ static std::string generateExpression2_Cond(const uint8_t *data, size_t dataSize
 }
 
 
-static std::string functionStart() {
+static std::string functionStart()
+{
     static int functionNumber;
     return "int f" + std::to_string(++functionNumber) + "()\n"
            "{\n";
@@ -112,8 +116,7 @@ static std::string generateExpression2_conditionalCode(const std::string &indent
     else
         code << indent << "{\n";
 
-    for (int line = 0; line < 4 || indent.empty(); ++line)
-    {
+    for (int line = 0; line < 4 || indent.empty(); ++line) {
         bool done = false;
         const int type1 = getValue(data, dataSize, 8, &done);
         if (done)
@@ -154,7 +157,8 @@ static std::string generateExpression2_conditionalCode(const std::string &indent
     return code.str();
 }
 
-std::string generateCode2(const uint8_t *data, size_t dataSize) {
+std::string generateCode2(const uint8_t *data, size_t dataSize)
+{
     std::ostringstream code;
 
     // create global constants
diff --git a/runastyle b/runastyle
index 218cb1ab5..60a34865b 100755
--- a/runastyle
+++ b/runastyle
@@ -52,6 +52,8 @@ formatCplusplusRecursive "gui/test/*.cpp"
 formatCplusplusRecursive "gui/test/*.h"
 formatCplusplus "lib/*.cpp"
 formatCplusplus "lib/*.h"
+formatCplusplus "oss-fuzz/*.cpp"
+formatCplusplus "oss-fuzz/*.h"
 formatCplusplus "test/*.cpp"
 formatCplusplus "test/cfg/*.c"
 formatCplusplus "test/cfg/*.cpp"