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  if (line[0] == '\0'
  40      && (result->sp_namp[0] == '+' || result->sp_namp[0] == '-'))
  41    {
  42      result->sp_pwdp = NULL;
  43      result->sp_lstchg = 0;
  44      result->sp_min = 0;
  45      result->sp_max = 0;
  46      result->sp_warn = -1l;
  47      result->sp_inact = -1l;
  48      result->sp_expire = -1l;
  49      result->sp_flag = ~0ul;
  50    }
  51  else
  52    {
  53      STRING_FIELD (result->sp_pwdp, ISCOLON, 0);
  54      INT_FIELD (result->sp_lstchg, ISCOLON, 0, 10, (long int));
  55      INT_FIELD (result->sp_min, ISCOLON, 0, 10, (long int));
  56      INT_FIELD (result->sp_max, ISCOLON, 0, 10, (long int));
  57      while (isspace (*line))
  58        ++line;
  59      if (*line == '\0')
  60        {
  61          /* The old form.  */
  62          result->sp_warn = -1l;
  63          result->sp_inact = -1l;
  64          result->sp_expire = -1l;
  65          result->sp_flag = ~0ul;
  66        }
  67      else
  68        {
  69          INT_FIELD_MAYBE_NULL (result->sp_warn, ISCOLON, 0, 10, (long int),
  70                                (long int) -1);
  71          INT_FIELD_MAYBE_NULL (result->sp_inact, ISCOLON, 0, 10, (long int),
  72                                (long int) -1);
  73          INT_FIELD_MAYBE_NULL (result->sp_expire, ISCOLON, 0, 10, (long int),
  74                                (long int) -1);
  75          if (*line != '\0')
  76            INT_FIELD_MAYBE_NULL (result->sp_flag, FALSE, 0, 10,
  77                                  (unsigned long int), ~0ul)
  78          else
  79            result->sp_flag = ~0ul;
  80        }
  81    }
  82  )
  83
  84
  85 /* Read one shadow entry from the given stream.  */
  86 int
  87 __sgetspent_r (const char *string, struct spwd *resbuf, char *buffer,
  88                size_t buflen, struct spwd **result)
  89 {
  90   *result = parse_line (strncpy (buffer, string, buflen), resbuf, NULL, 0)
  91     ? resbuf : NULL;
  92
  93   return *result == NULL ? errno : 0;
  94 }
  95 weak_alias (__sgetspent_r, sgetspent_r)