PosixExt.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "Posix.hpp"
#include <string>
#include <limits>
 
AST_NAMESPACE_BEGIN
 
namespace posix
{
#if defined(PATH_MAX)
constexpr size_t kMaxPath = PATH_MAX;
#elif defined (MAX_PATH)
constexpr size_t kMaxPath = MAX_PATH;
#elif defined(_MAX_PATH)
constexpr size_t kMaxPath = _MAX_PATH;
#elif defined(_POSIX_PATH_MAX)
constexpr size_t kMaxPath = _POSIX_PATH_MAX;
#else
constexpr size_t kMaxPath = 255; // default max path length
#endif
 
    A_ALWAYS_INLINE std::string getcwd()
    {
        char buffer[kMaxPath];
        if (posix::getcwd(buffer, sizeof(buffer)) != nullptr) {
            return buffer;
        }
        return std::string();
    }
#if defined(_WIN32) || defined(AST_PARSED_BY_DOXYGEN)
    A_ALWAYS_INLINE
    bool isdir(const stat& st)
    {
        return (_S_IFDIR & st.st_mode) != 0;
    }
#else
    A_ALWAYS_INLINE
    bool isdir(const struct stat& st)
    {
        return S_ISDIR(st.st_mode);
    }
#endif
}
 
AST_NAMESPACE_END