shadow/sgetspent_r.c

   1 /* Copyright (C) 1996 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ctype.h>
  20 #include <shadow.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24 /* Define a line parsing function using the common code
  25    used in the nss_files module.  */
  26
  27 #define STRUCTURE       spwd
  28 #define ENTNAME         spent
  29 struct spent_data {};
  30
  31 /* Predicate which always returns false, needed below.  */
  32 #define FALSE(arg) 0
  33
  34
  35 #include "../nss/nss_files/files-parse.c"
  36 LINE_PARSER
  37 (,
  38  STRING_FIELD (result->sp_namp, ISCOLON, 0);
  39  STRING_FIELD (result->sp_pwdp, ISCOLON, 0);
  40  INT_FIELD (result->sp_lstchg, ISCOLON, 0, 10, (long int));
  41  INT_FIELD (result->sp_min, ISCOLON, 0, 10, (long int));
  42  INT_FIELD (result->sp_max, ISCOLON, 0, 10, (long int));
  43  while (isspace (*line))
  44    ++line;
  45  if (*line == '\0')
  46    {
  47      /* The old form.  */
  48      result->sp_warn = (long int) -1;
  49      result->sp_inact = (long int) -1;
  50      result->sp_expire = (long int) -1;
  51      result->sp_flag = ~0ul;
  52    }
  53  else
  54    {
  55      INT_FIELD_MAYBE_NULL (result->sp_warn, ISCOLON, 0, 10, (long int),
  56                            (long int) -1);
  57      INT_FIELD_MAYBE_NULL (result->sp_inact, ISCOLON, 0, 10, (long int),
  58                            (long int) -1);
  59      INT_FIELD_MAYBE_NULL (result->sp_expire, ISCOLON, 0, 10, (long int),
  60                            (long int) -1);
  61      if (*line != '\0')
  62        INT_FIELD_MAYBE_NULL (result->sp_flag, FALSE, 0, 10,
  63                              (unsigned long int), ~0ul)
  64      else
  65        result->sp_flag = ~0ul;
  66    }
  67  )
  68
  69
  70 /* Read one shadow entry from the given stream.  */
  71 int
  72 __sgetspent_r (const char *string, struct spwd *resbuf, char *buffer,
  73                size_t buflen, struct spwd **result)
  74 {
  75   *result = parse_line (strncpy (buffer, string, buflen), resbuf, NULL, 0)
  76     ? resbuf : NULL;
  77
  78   return *result == NULL ? errno : 0;
  79 }
  80 weak_alias (__sgetspent_r, sgetspent_r)