165 lines
5.2 KiB
C
165 lines
5.2 KiB
C
/* stdioP.h - header file for ANSI stdio library */
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/* Copyright 1992 Wind River Systems, Inc. */
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/*
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modification history
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--------------------
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01d,14nov92,jcf removed redundant prototypes.
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01c,22sep92,rrr added support for c++
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01b,02aug92,jcf moved srget/swbuf prototypes to stdio.h.
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01a,29jul92,jcf added stdio internal routines to manage memory.
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smb taken from UCB stdio library.
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*/
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#ifndef __INCstdioPh
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#define __INCstdioPh
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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DESCRIPTION
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)local.h 5.2 (Berkeley) 2/5/91
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*
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* Information local to this implementation of stdio,
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* in particular, macros and private variables.
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*
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SEE ALSO: American National Standard X3.159-1989
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*/
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#include "stdio.h"
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/*
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* This is a #define because the function is used internally and
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* (unlike vfscanf) the name __svfscanf is guaranteed not to collide
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* with a user function when _ANSI_SOURCE or _POSIX_SOURCE is defined.
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*/
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#define vfscanf __svfscanf
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/* Routines that are purely local to the implementation */
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#if defined(__STDC__) || defined(__cplusplus)
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extern STATUS stdioFpDestroy (FILE *fp);
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extern FILE * stdioFpCreate (void);
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extern char * fgetline (FILE *, size_t *);
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extern int fpurge (FILE *);
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extern int pclose (FILE *);
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extern FILE * popen (const char *, const char *);
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extern char * tempnam (const char *, const char *);
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extern int snprintf (char *, size_t, const char *, ...);
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extern int vsnprintf (char *, size_t, const char *, va_list);
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extern int vscanf (const char *, va_list);
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extern int vsscanf (const char *, const char *, va_list);
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extern int __svfscanf (FILE *, const char *, va_list);
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extern int __sflush (FILE *);
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extern FILE * __sfp (void);
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extern int __srefill (FILE *);
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extern int __sread (FILE *, char *, int);
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extern int __swrite (FILE *, char const *, int);
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extern fpos_t __sseek (FILE *, fpos_t, int);
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extern int __sclose (FILE *);
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extern void __sinit (void);
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extern void __smakebuf (FILE *);
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extern int __swsetup (FILE *);
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extern int __sflags (const char *, int *);
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#else /* __STDC__ */
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extern STATUS stdioFpDestroy ();
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extern FILE * stdioFpCreate ();
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extern char * fgetline ();
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extern int fpurge ();
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extern int pclose ();
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extern FILE * popen ();
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extern char * tempnam ();
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extern int snprintf ();
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extern int vsnprintf ();
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extern int vscanf ();
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extern int vsscanf ();
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extern int __svfscanf ();
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extern int __sflush ();
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extern FILE * __sfp ();
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extern int __srefill ();
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extern int __sread ();
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extern int __swrite ();
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extern fpos_t __sseek ();
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extern int __sclose ();
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extern void __sinit ();
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extern void __smakebuf ();
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extern int __swsetup ();
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extern int __sflags ();
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#endif /* __STDC__ */
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/* Return true iff the given FILE cannot be written now. */
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#define cantwrite(fp) \
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((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
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__swsetup(fp))
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/* Test whether the given stdio file has an active ungetc buffer;
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* release such a buffer, without restoring ordinary unread data.
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*/
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#define HASUB(fp) ((fp)->_ub._base != NULL)
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#define FREEUB(fp) \
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{ \
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if ((fp)->_ub._base != (fp)->_ubuf) \
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free ((char *)(fp)->_ub._base); \
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(fp)->_ub._base = NULL; \
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}
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/* test for an fgetline() buffer. */
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#define HASLB(fp) ((fp)->_lb._base != NULL)
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#define FREELB(fp) \
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{ \
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free ((char *)(fp)->_lb._base); \
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(fp)->_lb._base = NULL; \
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCstdioPh */
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