106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/****************************************************************************
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* *
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* GNAT RUN-TIME COMPONENTS *
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* *
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* A - T R A N S *
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* *
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* C Implementation File *
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* *
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* Copyright (C) 1992-2020, Free Software Foundation, Inc. *
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* *
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* GNAT is free software; you can redistribute it and/or modify it under *
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* terms of the GNU General Public License as published by the Free Soft- *
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* ware Foundation; either version 3, or (at your option) any later ver- *
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* sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* As a special exception under Section 7 of GPL version 3, you are granted *
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* additional permissions described in the GCC Runtime Library Exception, *
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* version 3.1, as published by the Free Software Foundation. *
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* *
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* You should have received a copy of the GNU General Public License and *
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* a copy of the GCC Runtime Library Exception along with this program; *
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* GNAT was originally developed by the GNAT team at New York University. *
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* Extensive contributions were provided by Ada Core Technologies Inc. *
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* *
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****************************************************************************/
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#include <stdio.h>
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#ifndef IN_RTS
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#include "config.h"
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#include "system.h"
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#endif
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/* Don't use macros versions of this functions on VxWorks since they cause
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imcompatible changes in some VxWorks versions */
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#ifdef __vxworks
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#undef getchar
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#undef putchar
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#undef feof
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#undef ferror
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#undef fileno
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#endif
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/* Function wrappers are needed to access the values from Ada which are
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defined as C macros. */
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FILE *c_stdin (void);
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FILE *c_stdout (void);
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FILE *c_stderr (void);
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int seek_set_function (void);
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int seek_end_function (void);
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void *null_function (void);
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int c_fileno (FILE *);
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FILE *
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c_stdin (void)
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{
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return stdin;
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}
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FILE *
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c_stdout (void)
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{
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return stdout;
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}
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FILE *
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c_stderr (void)
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{
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return stderr;
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}
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#ifndef SEEK_SET /* Symbolic constants for the "fseek" function: */
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#define SEEK_SET 0 /* Set file pointer to offset */
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#define SEEK_CUR 1 /* Set file pointer to its current value plus offset */
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#define SEEK_END 2 /* Set file pointer to the size of the file plus offset */
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#endif
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int
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seek_set_function (void)
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{
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return SEEK_SET;
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}
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int
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seek_end_function (void)
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{
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return SEEK_END;
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}
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void *null_function (void)
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{
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return NULL;
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}
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int
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c_fileno (FILE *s)
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{
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return fileno (s);
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}
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