fix: Regex crashes with too long input strings

cmake/build_helpers.cmake

@@ -702,6 +702,12 @@ macro(addBundledLibraries)
         set(JTHREAD_LIBRARIES jthread)
     endif()
 
+    if (USE_SYSTEM_BOOST)
+        find_package(boost REQUIRED)
+    else()
+        add_subdirectory(${THIRD_PARTY_LIBS_FOLDER}/boost ${CMAKE_CURRENT_BINARY_DIR}/boost EXCLUDE_FROM_ALL)
+    endif()
+
     set(LIBPL_BUILD_CLI_AS_EXECUTABLE OFF CACHE BOOL "" FORCE)
     set(LIBPL_ENABLE_PRECOMPILED_HEADERS ${IMHEX_ENABLE_PRECOMPILED_HEADERS} CACHE BOOL "" FORCE)
 

lib/libimhex/CMakeLists.txt

@@ -142,7 +142,7 @@ if (NOT IMHEX_EXTERNAL_PLUGIN_BUILD)
     precompileHeaders(libimhex "${CMAKE_CURRENT_SOURCE_DIR}/include")
 endif()
 
-target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} ${NLOHMANN_JSON_LIBRARIES} imgui_all_includes ${MBEDTLS_LIBRARIES} ${FMT_LIBRARIES} ${LUNASVG_LIBRARIES})
+target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} ${NLOHMANN_JSON_LIBRARIES} imgui_all_includes ${MBEDTLS_LIBRARIES} ${FMT_LIBRARIES} ${LUNASVG_LIBRARIES} boost::regex)
 
 set_property(TARGET libimhex PROPERTY INTERPROCEDURAL_OPTIMIZATION FALSE)
 

lib/third_party/boost/CMakeLists.txt

@@ -0,0 +1,3 @@
+project(boost)
+
+add_subdirectory(regex)

lib/third_party/boost/regex/CMakeLists.txt

@@ -0,0 +1,10 @@
+project(boost-regex)
+
+add_library(boost-regex INTERFACE)
+
+target_include_directories(boost-regex INTERFACE
+    include
+)
+target_compile_definitions(boost-regex INTERFACE BOOST_REGEX_STANDALONE)
+
+add_library(boost::regex ALIAS boost-regex)

lib/third_party/boost/regex/include/boost/cregex.hpp

@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org/libs/regex for most recent version.
+  *   FILE         cregex.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Declares POSIX API functions
+  *                + boost::RegEx high level wrapper.
+  */
+
+#ifndef BOOST_RE_CREGEX_HPP
+#define BOOST_RE_CREGEX_HPP
+
+#ifndef BOOST_REGEX_CONFIG_HPP
+#include <boost/regex/config.hpp>
+#endif
+
+#ifdef BOOST_REGEX_CXX03
+#include <boost/regex/v4/cregex.hpp>
+#else
+#include <boost/regex/v5/cregex.hpp>
+#endif
+
+#endif /* include guard */
+
+
+
+
+
+
+
+
+
+

lib/third_party/boost/regex/include/boost/regex.h

@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright (c) 1998-2000
+ * Dr John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org/libs/regex for documentation.
+  *   FILE         regex.h
+  *   VERSION      3.12
+  *   DESCRIPTION: Declares POSIX API functions
+  */
+
+#ifndef BOOST_RE_REGEX_H
+#define BOOST_RE_REGEX_H
+
+#include <boost/cregex.hpp>
+
+/*
+*  add using declarations to bring POSIX API functions into
+* global scope, only if this is C++ (and not C).
+*/
+#ifdef __cplusplus
+
+using boost::regoff_t;
+using boost::regex_tA;
+using boost::regmatch_t;
+using boost::REG_BASIC;
+using boost::REG_EXTENDED;
+using boost::REG_ICASE;
+using boost::REG_NOSUB;
+using boost::REG_NEWLINE;
+using boost::REG_NOSPEC;
+using boost::REG_PEND;
+using boost::REG_DUMP;
+using boost::REG_NOCOLLATE;
+using boost::REG_ESCAPE_IN_LISTS;
+using boost::REG_NEWLINE_ALT;
+using boost::REG_PERL;
+using boost::REG_AWK;
+using boost::REG_GREP;
+using boost::REG_EGREP;
+using boost::REG_ASSERT;
+using boost::REG_INVARG;
+using boost::REG_ATOI;
+using boost::REG_ITOA;
+
+using boost::REG_NOTBOL;
+using boost::REG_NOTEOL;
+using boost::REG_STARTEND;
+
+using boost::reg_comp_flags;
+using boost::reg_exec_flags;
+using boost::regcompA;
+using boost::regerrorA;
+using boost::regexecA;
+using boost::regfreeA;
+
+#ifndef BOOST_NO_WREGEX
+using boost::regcompW;
+using boost::regerrorW;
+using boost::regexecW;
+using boost::regfreeW;
+using boost::regex_tW;
+#endif
+
+using boost::REG_NOERROR;
+using boost::REG_NOMATCH;
+using boost::REG_BADPAT;
+using boost::REG_ECOLLATE;
+using boost::REG_ECTYPE;
+using boost::REG_EESCAPE;
+using boost::REG_ESUBREG;
+using boost::REG_EBRACK;
+using boost::REG_EPAREN;
+using boost::REG_EBRACE;
+using boost::REG_BADBR;
+using boost::REG_ERANGE;
+using boost::REG_ESPACE;
+using boost::REG_BADRPT;
+using boost::REG_EEND;
+using boost::REG_ESIZE;
+using boost::REG_ERPAREN;
+using boost::REG_EMPTY;
+using boost::REG_E_MEMORY;
+using boost::REG_E_UNKNOWN;
+using boost::reg_errcode_t;
+
+#endif /* __cplusplus */
+
+#endif /* BOOST_RE_REGEX_H */
+
+
+
+

lib/third_party/boost/regex/include/boost/regex.hpp

@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+ /*
+  *   LOCATION:    see http://www.boost.org/libs/regex for documentation.
+  *   FILE         regex.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Declares boost::basic_regex<> and associated
+  *                functions and classes. This header is the main
+  *                entry point for the template regex code.
+  */
+
+
+/* start with C compatibility API */
+
+#ifndef BOOST_RE_REGEX_HPP
+#define BOOST_RE_REGEX_HPP
+
+#ifndef BOOST_REGEX_CONFIG_HPP
+#include <boost/regex/config.hpp>
+#endif
+
+#ifdef BOOST_REGEX_CXX03
+#include <boost/regex/v4/regex.hpp>
+#else
+#include <boost/regex/v5/regex.hpp>
+#endif
+
+#endif  // include
+
+
+
+