gcc/ada/io-aux.c

   1 /****************************************************************************
   2  *                                                                          *
   3  *                         GNAT RUN-TIME COMPONENTS                         *
   4  *                                                                          *
   5  *                              A - T R A N S                               *
   6  *                                                                          *
   7  *                          C Implementation File                           *
   8  *                                                                          *
   9  *                                                                          *
  10  *           Copyright (C) 1992-2001 Free Software Foundation, Inc.         *
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  12  * GNAT is free software;  you can  redistribute it  and/or modify it under *
  13  * terms of the  GNU General Public License as published  by the Free Soft- *
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  15  * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
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  18  * for  more details.  You should have  received  a copy of the GNU General *
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  26  * ion does not  however invalidate  any other reasons  why the  executable *
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  29  * GNAT was originally developed  by the GNAT team at  New York University. *
  30  * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). *
  31  *                                                                          *
  32  ****************************************************************************/
  33
  34 #include <stdio.h>
  35
  36 /* Function wrappers are needed to access the values from Ada which are */
  37 /* defined as C macros.                                                 */
  38
  39 FILE *c_stdin  (void) { return stdin; }
  40 FILE *c_stdout (void) { return stdout;}
  41 FILE *c_stderr (void) { return stderr;}
  42
  43 #ifndef SEEK_SET    /* Symbolic constants for the "fseek" function: */
  44 #define SEEK_SET 0  /* Set file pointer to offset */
  45 #define SEEK_CUR 1  /* Set file pointer to its current value plus offset */
  46 #define SEEK_END 2  /* Set file pointer to the size of the file plus offset */
  47 #endif
  48
  49 int   seek_set_function (void)  { return SEEK_SET; }
  50 int   seek_end_function (void)  { return SEEK_END; }
  51 void *null_function     (void)  { return NULL;     }
  52
  53 int c_fileno (FILE *s) { return fileno (s); }