Add cmake build instructions

1 files changed, 0 insertions, 104 deletions

diff --git a/change_log.cc b/change_log.cc
deleted file mode 100644
index 5ca0e8e..0000000
--- a/change_log.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <memory>
-#include <functional>
-#include <unordered_set>
-
-#include "io.h"
-#include "utility.h"
-
-static std::unique_ptr<std::unordered_set<std::string>> tracked_files;
-static std::unique_ptr<io::FileDescriptorGuard>         fd_guard;
-static std::unique_ptr<utility::Logger>                 log;
-
-template <class Result, typename... Arguments>
-std::function<Result(Arguments...)> get_real_function(
-	const std::string& symbol_name) {
-
-	Result (*real_function)(Arguments...) = nullptr;
-	const void* symbol_address = dlsym(RTLD_NEXT, symbol_name.c_str());
-
-	std::memcpy(&real_function, &symbol_address, sizeof(symbol_address));
-
-	return std::function<Result(Arguments...)>(real_function);
-}
-
-void init() __attribute__ ((constructor));
-void init() {
-	tracked_files = std::make_unique<std::unordered_set<std::string>>();
-
-	if ( getenv("CHANGE_LOG_TARGET") != NULL ) {
-		fd_guard = std::make_unique<io::FileDescriptorGuard>(
-			getenv("CHANGE_LOG_TARGET")
-		);
-		log      = std::make_unique<utility::Logger>(*fd_guard);
-	} else {
-		log      = std::make_unique<utility::Logger>(STDERR_FILENO);
-	}
-}
-
-void exit(int status) {
-	get_real_function<void, int>("exit")(status);
-}
-
-bool is_tracked_file(const std::string& file_name) {
-	return tracked_files->find(file_name) != tracked_files->end();
-}
-
-bool track_file(const std::string& file_name) {
-	return tracked_files->emplace(file_name).second;
-}
-
-ssize_t write(int fd, const void* buffer, size_t count) {
-	static auto real_write = get_real_function<ssize_t, int, const void*, size_t>("write");
-
-	if ( io::is_regular_file(fd) ) {
-		const std::string file_name{ io::get_file_name(fd) };
-
-		if ( !is_tracked_file(file_name) ) {
-			track_file(file_name);
-
-			log->append("wrote to '" + file_name + "'");
-		}
-	}
-
-	return real_write(fd, buffer, count);
-}
-
-int rename(const char* old_path, const char* new_path) {
-	static auto real_rename = get_real_function<int, const char*, const char*>("rename");
-
-	log->append("renamed '" + std::string(old_path) + "' to '" + std::string(new_path) + "'");
-
-	return real_rename(old_path, new_path);
-}
-
-int rmdir(const char* path) {
-	static auto real_rmdir = get_real_function<int, const char*>("rmdir");
-
-	log->append("removed directory '" + std::string(path) + "'");
-
-	return real_rmdir(path);
-}
-
-int unlink(const char* path) {
-	static auto real_unlink = get_real_function<int, const char*>("unlink");
-
-	log->append("removed '" + std::string(path) + "'");
-
-	return real_unlink(path);
-}
-
-int unlinkat(int dirfd, const char* path, int flags) {
-	static auto real_unlinkat = get_real_function<int, int, const char*, int>("unlinkat");
-
-	if ( dirfd == AT_FDCWD ) {
-		log->append("removed '" + std::string(path) + "'");
-	} else {
-		log->append("removed '" + io::get_file_name(dirfd) + path + "'");
-	}
-
-	return real_unlinkat(dirfd, path, flags);
-}