winsup/cygwin/local_includes/environ.h

   1 /* environ.h: Declarations for environ manipulation
   2
   3 This file is part of Cygwin.
   4
   5 This software is a copyrighted work licensed under the terms of the
   6 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   7 details. */
   8
   9 /* Initialize the environment */
  10 void environ_init (char **, int);
  11
  12 /* The structure below is used to control conversion to/from posix-style
  13    file specs.  Currently, only PATH and HOME are converted, but PATH
  14    needs to use a "convert path list" function while HOME needs a simple
  15    "convert to posix/win32".  */
  16 struct win_env
  17   {
  18     const char *name;
  19     size_t namelen;
  20     char *posix;
  21     char *native;
  22     ssize_t (*toposix) (const void *, void *, size_t);
  23     ssize_t (*towin32) (const void *, void *, size_t);
  24     bool immediate;
  25     void add_cache (const char *in_posix, const char *in_native = NULL);
  26     const char * get_native () const {return native ? native + namelen : NULL;}
  27     const char * get_posix () const {return posix ? posix : NULL;}
  28     struct win_env& operator = (struct win_env& x);
  29     void reset () {native = posix = NULL;}
  30     ~win_env ();
  31   };
  32
  33 win_env *getwinenv (const char *name, const char *posix = NULL, win_env * = NULL);
  34 char *getwinenveq (const char *name, size_t len, int);
  35
  36 char **build_env (const char * const *envp, PWCHAR &envblock,
  37                           int &envc, bool need_envblock, HANDLE new_token);
  38
  39 char **win32env_to_cygenv (PWCHAR rawenv, bool posify);
  40
  41 #define ENV_CVT -1