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put.c

/*
 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
 *      All rights reserved.
 * Copyright (c) 1990, 1993
 *    The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#include <sm/gen.h>
SM_RCSID("@(#)$Id: put.c,v 1.27 2001/12/19 05:19:35 ca Exp $")
#include <string.h>
#include <errno.h>
#include <sm/io.h>
#include <sm/assert.h>
#include <sm/errstring.h>
#include <sm/string.h>
#include "local.h"
#include "fvwrite.h"

/*
**  SM_IO_PUTC -- output a character to the file
**
**  Function version of the macro sm_io_putc (in <sm/io.h>).
**
**    Parameters:
**          fp -- file to output to
**          timeout -- time to complete putc
**          c -- int value of character to output
**
**    Returns:
**          Failure: returns SM_IO_EOF _and_ sets errno
**          Success: returns sm_putc() value.
**
*/

#undef sm_io_putc

int
sm_io_putc(fp, timeout, c)
      SM_FILE_T *fp;
      int timeout;
      int c;
{
      SM_REQUIRE_ISA(fp, SmFileMagic);
      if (cantwrite(fp))
      {
            errno = EBADF;
            return SM_IO_EOF;
      }
      return sm_putc(fp, timeout, c);
}


/*
**  SM_PERROR -- print system error messages to smioerr
**
**    Parameters:
**          s -- message to print
**
**    Returns:
**          none
*/

void
sm_perror(s)
      const char *s;
{
      int save_errno = errno;

      if (s != NULL && *s != '\0')
            (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s: ", s);
      (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n",
                       sm_errstring(save_errno));
}

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