374 lines
12 KiB
C
374 lines
12 KiB
C
/*
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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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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @(#)stdio.h 5.3 (Berkeley) 3/15/86
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*/
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/*
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* NB: to fit things in six character monocase externals, the
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* stdio code uses the prefix `__s' for stdio objects, typically
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* followed by a three-character attempt at a mnemonic.
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*/
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#ifndef _STDIO_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _STDIO_H_
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#include "_ansi.h"
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#define _FSTDIO /* ``function stdio'' */
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#define __need_size_t
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#include <stddef.h>
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#define __need___va_list
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#include <stdarg.h>
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/*
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* <sys/reent.h> defines __sFILE, _fpos_t.
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* They must be defined there because struct _reent needs them (and we don't
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* want reent.h to include this file.
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*/
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#include <sys/reent.h>
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typedef _fpos_t fpos_t;
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typedef struct __sFILE FILE;
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#define __SLBF 0x0001 /* line buffered */
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#define __SNBF 0x0002 /* unbuffered */
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#define __SRD 0x0004 /* OK to read */
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#define __SWR 0x0008 /* OK to write */
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/* RD and WR are never simultaneously asserted */
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#define __SRW 0x0010 /* open for reading & writing */
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#define __SEOF 0x0020 /* found EOF */
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#define __SERR 0x0040 /* found error */
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#define __SMBF 0x0080 /* _buf is from malloc */
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#define __SAPP 0x0100 /* fdopen()ed in append mode - so must write to end */
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#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
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#define __SOPT 0x0400 /* do fseek() optimisation */
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#define __SNPT 0x0800 /* do not do fseek() optimisation */
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#define __SOFF 0x1000 /* set iff _offset is in fact correct */
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#define __SMOD 0x2000 /* true => fgetline modified _p text */
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#if defined(__CYGWIN__) || defined(__CYGWIN__)
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#define __SCLE 0x4000 /* convert line endings CR/LF <-> NL */
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#endif
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/*
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* The following three definitions are for ANSI C, which took them
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* from System V, which stupidly took internal interface macros and
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* made them official arguments to setvbuf(), without renaming them.
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* Hence, these ugly _IOxxx names are *supposed* to appear in user code.
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*
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* Although these happen to match their counterparts above, the
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* implementation does not rely on that (so these could be renumbered).
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*/
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#define _IOFBF 0 /* setvbuf should set fully buffered */
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#define _IOLBF 1 /* setvbuf should set line buffered */
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#define _IONBF 2 /* setvbuf should set unbuffered */
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#ifndef NULL
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#define NULL 0
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#endif
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#define EOF (-1)
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#ifdef __BUFSIZ__
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#define BUFSIZ __BUFSIZ__
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#else
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#define BUFSIZ 1024
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#endif
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#ifdef __FOPEN_MAX__
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#define FOPEN_MAX __FOPEN_MAX__
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#else
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#define FOPEN_MAX 20
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#endif
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#ifdef __FILENAME_MAX__
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#define FILENAME_MAX __FILENAME_MAX__
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#else
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#define FILENAME_MAX 1024
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#endif
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#ifdef __L_tmpnam__
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#define L_tmpnam __L_tmpnam__
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#else
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#define L_tmpnam FILENAME_MAX
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#endif
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#ifndef __STRICT_ANSI__
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#define P_tmpdir "/tmp"
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0 /* set file offset to offset */
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1 /* set file offset to current plus offset */
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2 /* set file offset to EOF plus offset */
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#endif
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#define TMP_MAX 26
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#define stdin (_impure_ptr->_stdin)
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#define stdout (_impure_ptr->_stdout)
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#define stderr (_impure_ptr->_stderr)
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#define _stdin_r(x) ((x)->_stdin)
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#define _stdout_r(x) ((x)->_stdout)
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#define _stderr_r(x) ((x)->_stderr)
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/*
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* Functions defined in ANSI C standard.
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*/
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#ifdef __GNUC__
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#define __VALIST __gnuc_va_list
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#else
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#define __VALIST char*
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#endif
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FILE * _EXFUN(tmpfile, (void));
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char * _EXFUN(tmpnam, (char *));
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int _EXFUN(fclose, (FILE *));
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int _EXFUN(fflush, (FILE *));
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FILE * _EXFUN(freopen, (const char *, const char *, FILE *));
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void _EXFUN(setbuf, (FILE *, char *));
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int _EXFUN(setvbuf, (FILE *, char *, int, size_t));
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int _EXFUN(fprintf, (FILE *, const char *, ...));
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int _EXFUN(fscanf, (FILE *, const char *, ...));
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int _EXFUN(printf, (const char *, ...));
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int _EXFUN(scanf, (const char *, ...));
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int _EXFUN(sscanf, (const char *, const char *, ...));
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int _EXFUN(vfprintf, (FILE *, const char *, __VALIST));
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int _EXFUN(vprintf, (const char *, __VALIST));
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int _EXFUN(vsprintf, (char *, const char *, __VALIST));
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int _EXFUN(fgetc, (FILE *));
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char * _EXFUN(fgets, (char *, int, FILE *));
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int _EXFUN(fputc, (int, FILE *));
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int _EXFUN(fputs, (const char *, FILE *));
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int _EXFUN(getc, (FILE *));
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int _EXFUN(getchar, (void));
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char * _EXFUN(gets, (char *));
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int _EXFUN(putc, (int, FILE *));
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int _EXFUN(putchar, (int));
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int _EXFUN(puts, (const char *));
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int _EXFUN(ungetc, (int, FILE *));
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size_t _EXFUN(fread, (_PTR, size_t _size, size_t _n, FILE *));
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size_t _EXFUN(fwrite, (const _PTR , size_t _size, size_t _n, FILE *));
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int _EXFUN(fgetpos, (FILE *, fpos_t *));
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int _EXFUN(fseek, (FILE *, long, int));
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int _EXFUN(fsetpos, (FILE *, const fpos_t *));
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long _EXFUN(ftell, ( FILE *));
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void _EXFUN(rewind, (FILE *));
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void _EXFUN(clearerr, (FILE *));
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int _EXFUN(feof, (FILE *));
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int _EXFUN(ferror, (FILE *));
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void _EXFUN(perror, (const char *));
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#ifndef _REENT_ONLY
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FILE * _EXFUN(fopen, (const char *_name, const char *_type));
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int _EXFUN(sprintf, (char *, const char *, ...));
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int _EXFUN(remove, (const char *));
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int _EXFUN(rename, (const char *, const char *));
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#endif
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#ifndef __STRICT_ANSI__
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int _EXFUN(vfiprintf, (FILE *, const char *, __VALIST));
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int _EXFUN(iprintf, (const char *, ...));
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int _EXFUN(fiprintf, (FILE *, const char *, ...));
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int _EXFUN(siprintf, (char *, const char *, ...));
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char * _EXFUN(tempnam, (const char *, const char *));
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int _EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST));
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int _EXFUN(vfscanf, (FILE *, const char *, __VALIST));
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int _EXFUN(vscanf, (const char *, __VALIST));
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int _EXFUN(vsscanf, (const char *, const char *, __VALIST));
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#ifndef _REENT_ONLY
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int _EXFUN(snprintf, (char *, size_t, const char *, ...));
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#endif
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#endif
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/*
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* Routines in POSIX 1003.1.
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*/
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#ifndef __STRICT_ANSI__
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#ifndef _REENT_ONLY
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FILE * _EXFUN(fdopen, (int, const char *));
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#endif
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int _EXFUN(fileno, (FILE *));
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int _EXFUN(getw, (FILE *));
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int _EXFUN(pclose, (FILE *));
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FILE * _EXFUN(popen, (const char *, const char *));
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int _EXFUN(putw, (int, FILE *));
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void _EXFUN(setbuffer, (FILE *, char *, int));
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int _EXFUN(setlinebuf, (FILE *));
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#endif
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/*
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* Recursive versions of the above.
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*/
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FILE * _EXFUN(_fdopen_r, (struct _reent *, int, const char *));
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FILE * _EXFUN(_fopen_r, (struct _reent *, const char *, const char *));
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int _EXFUN(_fscanf_r, (struct _reent *, FILE *, const char *, ...));
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int _EXFUN(_getchar_r, (struct _reent *));
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char * _EXFUN(_gets_r, (struct _reent *, char *));
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int _EXFUN(_iprintf_r, (struct _reent *, const char *, ...));
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int _EXFUN(_mkstemp_r, (struct _reent *, char *));
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char * _EXFUN(_mktemp_r, (struct _reent *, char *));
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void _EXFUN(_perror_r, (struct _reent *, const char *));
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int _EXFUN(_printf_r, (struct _reent *, const char *, ...));
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int _EXFUN(_putchar_r, (struct _reent *, int));
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int _EXFUN(_puts_r, (struct _reent *, const char *));
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int _EXFUN(_remove_r, (struct _reent *, const char *));
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int _EXFUN(_rename_r, (struct _reent *,
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const char *_old, const char *_new));
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int _EXFUN(_scanf_r, (struct _reent *, const char *, ...));
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int _EXFUN(_sprintf_r, (struct _reent *, char *, const char *, ...));
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int _EXFUN(_snprintf_r, (struct _reent *, char *, size_t, const char *, ...));
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int _EXFUN(_sscanf_r, (struct _reent *, const char *, const char *, ...));
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char * _EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
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FILE * _EXFUN(_tmpfile_r, (struct _reent *));
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char * _EXFUN(_tmpnam_r, (struct _reent *, char *));
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int _EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST));
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int _EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST));
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int _EXFUN(_vsprintf_r, (struct _reent *, char *, const char *, __VALIST));
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int _EXFUN(_vsnprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST));
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int _EXFUN(_vfscanf_r, (struct _reent *, FILE *, const char *, __VALIST));
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int _EXFUN(_vscanf_r, (struct _reent *, const char *, __VALIST));
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int _EXFUN(_vsscanf_r, (struct _reent *, const char *, const char *, __VALIST));
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/*
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* Routines internal to the implementation.
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*/
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int _EXFUN(__srget, (FILE *));
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int _EXFUN(__swbuf, (int, FILE *));
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/*
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* Stdio function-access interface.
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*/
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#ifndef __STRICT_ANSI__
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FILE *_EXFUN(funopen,(const _PTR _cookie,
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int (*readfn)(_PTR _cookie, char *_buf, int _n),
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int (*writefn)(_PTR _cookie, const char *_buf, int _n),
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fpos_t (*seekfn)(_PTR _cookie, fpos_t _off, int _whence),
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int (*closefn)(_PTR _cookie)));
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#define fropen(cookie, fn) funopen(cookie, fn, (int (*)())0, (fpos_t (*)())0, (int (*)())0)
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#define fwopen(cookie, fn) funopen(cookie, (int (*)())0, fn, (fpos_t (*)())0, (int (*)())0)
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#endif
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/*
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* The __sfoo macros are here so that we can
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* define function versions in the C library.
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*/
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#define __sgetc_raw(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
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#ifdef __SCLE
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static __inline__ int __sgetc(FILE *__p)
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{
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int __c = __sgetc_raw(__p);
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if ((__p->_flags & __SCLE) && (__c == '\r'))
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{
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int __c2 = __sgetc_raw(__p);
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if (__c2 == '\n')
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__c = __c2;
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else
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ungetc(__c2, __p);
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}
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return __c;
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}
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#else
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#define __sgetc(p) __sgetc_raw(p)
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#endif
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#ifdef _never /* __GNUC__ */
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/* If this inline is actually used, then systems using coff debugging
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info get hopelessly confused. 21sept93 rich@cygnus.com. */
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static __inline int __sputc(int _c, FILE *_p) {
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if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
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return (*_p->_p++ = _c);
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else
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return (__swbuf(_c, _p));
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}
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#else
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/*
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* This has been tuned to generate reasonable code on the vax using pcc
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*/
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#define __sputc_raw(c, p) \
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(--(p)->_w < 0 ? \
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(p)->_w >= (p)->_lbfsize ? \
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(*(p)->_p = (c)), *(p)->_p != '\n' ? \
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(int)*(p)->_p++ : \
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__swbuf('\n', p) : \
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__swbuf((int)(c), p) : \
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(*(p)->_p = (c), (int)*(p)->_p++))
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#ifdef __SCLE
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#define __sputc(c, p) \
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((((p)->_flags & __SCLE) && ((c) == '\n')) \
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? __sputc_raw('\r', (p)) : 0 , \
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__sputc_raw((c), (p)))
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#else
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#define __sputc(c, p) __sputc_raw(c, p)
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#endif
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#endif
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#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
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#define __sferror(p) (((p)->_flags & __SERR) != 0)
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#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
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#define __sfileno(p) ((p)->_file)
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#define feof(p) __sfeof(p)
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#define ferror(p) __sferror(p)
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#define clearerr(p) __sclearerr(p)
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#if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
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#define fileno(p) __sfileno(p)
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#endif
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#ifndef __CYGWIN__
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#ifndef lint
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#define getc(fp) __sgetc(fp)
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#define putc(x, fp) __sputc(x, fp)
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#endif /* lint */
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#endif /* __CYGWIN__ */
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#define getchar() getc(stdin)
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#define putchar(x) putc(x, stdout)
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#ifndef __STRICT_ANSI__
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/* fast always-buffered version, true iff error */
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#define fast_putc(x,p) (--(p)->_w < 0 ? \
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__swbuf((int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))
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#define L_cuserid 9 /* posix says it goes in stdio.h :( */
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#ifdef __CYGWIN__
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#define L_ctermid 16
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _STDIO_H_ */
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