1 files changed, 45 insertions, 9 deletions

diff --git a/src/util.cc b/src/util.cc
index 73b158d..cfa0d85 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -7,10 +7,17 @@
 #include <fstream>
 #include <algorithm>
 
+namespace {
+char to_lower_c(char ch)
+{
+	return static_cast<char>(::tolower(ch));
+}
+}
+
 std::string to_lower(const std::string& str)
 {
 	std::string out{str};
-	std::transform(out.begin(), out.end(), out.begin(), ::tolower);
+	std::transform(out.begin(), out.end(), out.begin(), to_lower_c);
 	return out;
 }
 
@@ -19,17 +26,25 @@ std::string readFile(const std::string& fileName)
 	std::ifstream ifs(fileName.c_str(),
 	                  std::ios::in | std::ios::binary | std::ios::ate);
 
-	std::ifstream::pos_type fileSize = ifs.tellg();
+	auto tell = ifs.tellg();
+	if(tell < 0)
+	{
+		return {};
+	}
+	auto fileSize = static_cast<std::size_t>(tell);
 	ifs.seekg(0, std::ios::beg);
 
-	std::vector<char> bytes(static_cast<std::size_t>(fileSize));
-	ifs.read(bytes.data(), fileSize);
+	std::vector<char> bytes(fileSize);
+	ifs.read(bytes.data(), static_cast<long>(bytes.size()));
 
-	return {bytes.data(), static_cast<std::size_t>(fileSize)};
+	return { bytes.data(), bytes.size() };
 }
 
 std::vector<std::string> readDeps(const std::string& depFile)
 {
+#if defined(_WIN32)
+	return {};// TODO: parse json
+#endif
 	if(!std::filesystem::exists(depFile))
 	{
 		return {};
@@ -229,15 +244,36 @@ std::string locate(const std::string& prog,
 		}
 	}
 
+	if(std::filesystem::exists(program + ".exe"))
+	{
+		if(check_executable(program + ".exe"))
+		{
+			return program + ".exe";
+		}
+	}
+
 	for(const auto& path_str : paths)
 	{
 		std::filesystem::path path(path_str);
-		auto prog_path = path / program;
-		if(std::filesystem::exists(prog_path))
 		{
-			if(check_executable(prog_path))
+			auto prog_path = path / program;
+			if(std::filesystem::exists(prog_path))
+			{
+				if(check_executable(prog_path))
+				{
+					return prog_path.string();
+				}
+			}
+		}
+
+		{
+			auto prog_path = path / (program + ".exe");
+			if(std::filesystem::exists(prog_path))
 			{
-				return prog_path.string();
+				if(check_executable(prog_path))
+				{
+					return prog_path.string();
+				}
 			}
 		}
 	}