strftime.c
1.45 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011 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 3 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, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <mailutils/util.h>
#include <mailutils/stream.h>
#include <mailutils/errno.h>
#include <mailutils/cstr.h>
/* A locale-independent version of strftime */
size_t
mu_strftime (char *buf, size_t size, const char *format, struct tm *tm)
{
int rc;
mu_stream_t str;
mu_stream_stat_buffer stat;
if (mu_fixed_memory_stream_create (&str, buf, size, MU_STREAM_WRITE))
return 0;
mu_stream_set_stat (str, MU_STREAM_STAT_MASK (MU_STREAM_STAT_OUT), stat);
rc = mu_c_streamftime (str, format, tm, NULL);
if (rc == 0)
rc = mu_stream_write (str, "", 1, NULL);
mu_stream_unref (str);
return rc ? 0 : stat[MU_STREAM_STAT_OUT] - 1;
}