mdw@git.distorted.org.uk Git - fwd/blob - fattr.h

   1 /* -*-c-*-
   2  *
   3  * Handling of file attributes
   4  *
   5  * (c) 1999 Straylight/Edgeware
   6  */
   7
   8 /*----- Licensing notice --------------------------------------------------*
   9  *
  10  * This file is part of the `fw' port forwarder.
  11  *
  12  * `fw' is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * `fw' is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with `fw'; if not, write to the Free Software Foundation,
  24  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25  */
  26
  27 #ifndef FATTR_H
  28 #define FATTR_H
  29
  30 #ifdef __cplusplus
  31   extern "C" {
  32 #endif
  33
  34 /*----- Header files ------------------------------------------------------*/
  35
  36 #include "config.h"
  37
  38 #include <sys/types.h>
  39
  40 #include "scan.h"
  41
  42 /*----- Data structures ---------------------------------------------------*/
  43
  44 typedef struct fattr {
  45   unsigned mode;
  46   uid_t uid;
  47   gid_t gid;
  48 } fattr;
  49
  50 /*----- Global variables --------------------------------------------------*/
  51
  52 extern fattr fattr_global;
  53
  54 /*----- Functions provided ------------------------------------------------*/
  55
  56 /* --- @fattr_init@ --- *
  57  *
  58  * Arguments:   @fattr *f@ = pointer to file attributes
  59  *
  60  * Returns:     ---
  61  *
  62  * Use:         Initializes a set of file attributes to default values.
  63  */
  64
  65 extern void fattr_init(fattr */*f*/);
  66
  67 /* --- @fattr_option@ --- *
  68  *
  69  * Arguments:   @scanner *sc@ = pointer to scanner to read
  70  *              @fattr *f@ = pointer to file attributes to set
  71  *
  72  * Returns:     Whether the option was clamed.
  73  *
  74  * Use:         Reads file attributes from a scanner.
  75  */
  76
  77 extern int fattr_option(scanner */*sc*/, fattr */*f*/);
  78
  79 /* --- @fattr_apply@ --- *
  80  *
  81  * Arguments:   @const char *file@ = pointer to filename
  82  *              @fattr *f@ = pointer to attribute set
  83  *
  84  * Returns:     @-1@ if it failed.
  85  *
  86  * Use:         Applies file attributes to a file.  For best results, try to
  87  *              create the file with the right permissions and so on.  This
  88  *              call will fix everything up, but there are potential races
  89  *              which might catch you out if you're not careful.
  90  */
  91
  92 extern int fattr_apply(const char */*file*/, fattr */*f*/);
  93
  94 /*----- That's all, folks -------------------------------------------------*/
  95
  96 #ifdef __cplusplus
  97   }
  98 #endif
  99
 100 #endif