contrib/sendmail-8.13.7/libsm/put.c

   1 /*
   2  * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Chris Torek.
   9  *
  10  * By using this file, you agree to the terms and conditions set
  11  * forth in the LICENSE file which can be found at the top level of
  12  * the sendmail distribution.
  13  */
  14
  15 #include <sm/gen.h>
  16 SM_RCSID("@(#)$Id: put.c,v 1.27 2001/12/19 05:19:35 ca Exp $")
  17 #include <string.h>
  18 #include <errno.h>
  19 #include <sm/io.h>
  20 #include <sm/assert.h>
  21 #include <sm/errstring.h>
  22 #include <sm/string.h>
  23 #include "local.h"
  24 #include "fvwrite.h"
  25
  26 /*
  27 **  SM_IO_PUTC -- output a character to the file
  28 **
  29 **  Function version of the macro sm_io_putc (in <sm/io.h>).
  30 **
  31 **      Parameters:
  32 **              fp -- file to output to
  33 **              timeout -- time to complete putc
  34 **              c -- int value of character to output
  35 **
  36 **      Returns:
  37 **              Failure: returns SM_IO_EOF _and_ sets errno
  38 **              Success: returns sm_putc() value.
  39 **
  40 */
  41
  42 #undef sm_io_putc
  43
  44 int
  45 sm_io_putc(fp, timeout, c)
  46         SM_FILE_T *fp;
  47         int timeout;
  48         int c;
  49 {
  50         SM_REQUIRE_ISA(fp, SmFileMagic);
  51         if (cantwrite(fp))
  52         {
  53                 errno = EBADF;
  54                 return SM_IO_EOF;
  55         }
  56         return sm_putc(fp, timeout, c);
  57 }
  58
  59
  60 /*
  61 **  SM_PERROR -- print system error messages to smioerr
  62 **
  63 **      Parameters:
  64 **              s -- message to print
  65 **
  66 **      Returns:
  67 **              none
  68 */
  69
  70 void
  71 sm_perror(s)
  72         const char *s;
  73 {
  74         int save_errno = errno;
  75
  76         if (s != NULL && *s != '\0')
  77                 (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s: ", s);
  78         (void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n",
  79                              sm_errstring(save_errno));
  80 }