sendmail/libsm/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.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#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));
}