compiler/stdc/vsscanf.c

   1 /*
   2     Copyright © 1995-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     C99 function vsscanf().
   6 */
   7 /* Original source from libnix */
   8 #include <stdio.h>
   9
  10 static int _vsscanf_get (char ** str)
  11 {
  12     if (!**str)
  13         return EOF;
  14
  15     return *(*str)++;
  16 }
  17
  18 static int _vsscanf_unget (int c, char ** str)
  19 {
  20     (*str)--;
  21
  22     return c;
  23 }
  24
  25 /*****************************************************************************
  26
  27     NAME */
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30
  31         int vsscanf (
  32
  33 /*  SYNOPSIS */
  34         const char *str,
  35         const char *format,
  36         va_list     args)
  37
  38 /*  FUNCTION
  39         Scan a string and convert it into the arguments as specified
  40         by format.
  41
  42     INPUTS
  43         str - Scan this string
  44         format - A scanf() format string.
  45         args - A list of arguments for the results
  46
  47     RESULT
  48         The number of arguments converted.
  49
  50     NOTES
  51
  52     EXAMPLE
  53
  54     BUGS
  55
  56     SEE ALSO
  57         scanf(), sscanf(), fscanf(), vscanf(), vfscanf()
  58
  59     INTERNALS
  60
  61 ******************************************************************************/
  62 {
  63     int rc;
  64
  65     rc = __vcscan (&str,
  66             (void *)_vsscanf_get,
  67             (void *)_vsscanf_unget,
  68             format,
  69             args
  70     );
  71
  72     return rc;
  73 } /* vsscanf */