mu_util.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#include "mu_scm.h"
SCM_DEFINE (scm_mu_getpwuid, "mu-getpwuid", 1, 0, 0,
(SCM USER),
"Look up an entry in the user database. USER can be an integer,\n"
"or a string, giving the behaviour of @code{mu_get_auth_by_uid} or\n"
"@code{mu_get_auth_by_name} respectively.\n"
"\n"
"Returns a vector with fields corresponding to those of the @code{mu_auth_data}\n"
"entry in question. If no matching entry was found, returns @code{#f}.\n")
#define FUNC_NAME s_scm_mu_getpwuid
{
SCM result;
struct mu_auth_data *entry;
SCM *ve;
DECL_SCM_T_ARRAY_HANDLE(handle);
result = scm_c_make_vector (8, SCM_UNSPECIFIED);
ve = scm_vector_writable_elements (result,
SCM_T_ARRAY_HANDLE_PTR(handle),
NULL, NULL);
if (scm_is_integer (USER))
{
entry = mu_get_auth_by_uid (scm_to_int32 (USER));
}
else
{
SCM_VALIDATE_STRING (1, USER);
if (scm_is_string (USER))
USER = scm_from_locale_stringn (scm_i_string_chars (USER),
scm_i_string_length (USER));
entry = mu_get_auth_by_name (scm_i_string_chars (USER));
}
if (!entry)
mu_scm_error (FUNC_NAME, errno,
"Cannot get user credentials", SCM_BOOL_F);
ve[0] = scm_makfrom0str (entry->name);
ve[1] = scm_makfrom0str (entry->passwd);
ve[2] = scm_ulong2num ((unsigned long) entry->uid);
ve[3] = scm_ulong2num ((unsigned long) entry->gid);
ve[4] = scm_makfrom0str (entry->gecos);
if (!entry->dir)
ve[5] = scm_makfrom0str ("");
else
ve[5] = scm_makfrom0str (entry->dir);
if (!entry->shell)
ve[6] = scm_makfrom0str ("");
else
ve[6] = scm_makfrom0str (entry->shell);
ve[7] = scm_makfrom0str (entry->mailbox);
scm_array_handle_release (SCM_T_ARRAY_HANDLE_PTR (handle));
mu_auth_data_free (entry);
return result;
}
#undef FUNC_NAME
void
mu_scm_mutil_init ()
{
#include "mu_util.x"
}