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Diffstat (limited to 'grp/fgetgrent_r.c')
-rw-r--r-- | grp/fgetgrent_r.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/grp/fgetgrent_r.c b/grp/fgetgrent_r.c new file mode 100644 index 0000000..f8b8d97 --- /dev/null +++ b/grp/fgetgrent_r.c @@ -0,0 +1,63 @@ +/* Copyright (C) 1991, 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ctype.h> +#include <grp.h> +#include <stdio.h> + +/* Define a line parsing function using the common code + used in the nss_files module. */ + +#define STRUCTURE group +#define ENTNAME grent +struct grent_data {}; + +#define TRAILING_LIST_MEMBER gr_mem +#define TRAILING_LIST_SEPARATOR_P(c) ((c) == ',') +#include "../nss/nss_files/files-parse.c" +LINE_PARSER +(, + STRING_FIELD (result->gr_name, ISCOLON, 0); + STRING_FIELD (result->gr_passwd, ISCOLON, 0); + INT_FIELD (result->gr_gid, ISCOLON, 0, 10,); + ) + + +/* Read one entry from the given stream. */ +struct group * +__fgetgrent_r (FILE *stream, struct group *result, char *buffer, int buflen) +{ + char *p; + + do + { + p = fgets (buffer, buflen, stream); + if (p == NULL) + return NULL; + + /* Skip leading blanks. */ + while (isspace (*p)) + ++p; + } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */ + /* Parse the line. If it is invalid, loop to + get the next line of the file to parse. */ + ! parse_line (p, result, (void *) buffer, buflen)); + + return result; +} +weak_alias (__fgetgrent_r, fgetgrent_r) |