usr/src/cmd/sendmail/libsm/fscanf.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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  16
  17 #include <sm/gen.h>
  18 SM_RCSID("@(#)$Id: fscanf.c,v 1.15 2001/03/02 23:53:41 ca Exp $")
  19 #include <sm/varargs.h>
  20 #include <sm/assert.h>
  21 #include <sm/io.h>
  22 #include "local.h"
  23
  24 /*
  25 **  SM_IO_FSCANF -- convert input data to translated format
  26 **
  27 **      Parameters:
  28 **              fp -- the file pointer to obtain the data from
  29 **              timeout -- time to complete scan
  30 **              fmt -- the format to translate the data to
  31 **              ... -- memory locations to place the formated data
  32 **
  33 **      Returns:
  34 **              Failure: returns SM_IO_EOF
  35 **              Success: returns the number of data units translated
  36 */
  37
  38 int
  39 #if SM_VA_STD
  40 sm_io_fscanf(SM_FILE_T *fp, int timeout, char const *fmt, ...)
  41 #else /* SM_VA_STD */
  42 sm_io_fscanf(fp, timeout, fmt, va_alist)
  43         SM_FILE_T *fp;
  44         int timeout;
  45         char *fmt;
  46         va_dcl
  47 #endif /* SM_VA_STD */
  48 {
  49         int ret;
  50         SM_VA_LOCAL_DECL
  51
  52         SM_REQUIRE_ISA(fp, SmFileMagic);
  53         SM_VA_START(ap, fmt);
  54         ret = sm_vfscanf(fp, timeout, fmt, ap);
  55         SM_VA_END(ap);
  56         return ret;
  57 }