grp.hpp

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#ifndef __STOUT_INTERNAL_WINDOWS_GRP_HPP__
#define __STOUT_INTERNAL_WINDOWS_GRP_HPP__

#include <sys/types.h>

#include <stout/windows.hpp>


// Dummy struct for POSIX compliance.
struct group
{
  char* gr_name; // The name of the group.
  gid_t gr_gid;  // Numerical group ID.
  char** gr_mem; // Pointer to a null-terminated array of character pointers to
                 // member names.
};


// Dummy implementation of `getgrgid` for POSIX compliance. Per the POSIX
// specification[1], we are to return `nullptr` if an entry matching the GID is
// not found. On Windows, we will never find such an entry, so we always return
// `nullptr`. Just to be safe, we also set `errno` to `ENOSYS` which indicates
// the function is not implemented.
//
// [1] http://pubs.opengroup.org/onlinepubs/009695399/functions/getgrgid.html
inline struct group* getgrgid(gid_t)
{
  errno = ENOSYS;
  return nullptr;
}

#endif // __STOUT_INTERNAL_WINDOWS_GRP_HPP__