xref: /titanic_52/usr/src/head/iso/stdio_iso.h (revision b0f673c4626e4cb1db7785287eaeed2731dfefe8)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 /*
31  * An application should not include this header directly.  Instead it
32  * should be included only through the inclusion of other Sun headers.
33  *
34  * The contents of this header is limited to identifiers specified in the
35  * C Standard.  Any new identifiers specified in future amendments to the
36  * C Standard must be placed in this header.  If these new identifiers
37  * are required to also be in the C++ Standard "std" namespace, then for
38  * anything other than macro definitions, corresponding "using" directives
39  * must also be added to <stdio.h>.
40  */
41 
42 /*
43  * User-visible pieces of the ANSI C standard I/O package.
44  */
45 
46 #ifndef _ISO_STDIO_ISO_H
47 #define	_ISO_STDIO_ISO_H
48 
49 #include <sys/feature_tests.h>
50 #include <sys/va_list.h>
51 #include <stdio_tag.h>
52 #include <stdio_impl.h>
53 
54 /*
55  * If feature test macros are set that enable interfaces that use types
56  * defined in <sys/types.h>, get those types by doing the include.
57  *
58  * Note that in asking for the interfaces associated with this feature test
59  * macro one also asks for definitions of the POSIX types.
60  */
61 
62 #ifdef	__cplusplus
63 extern "C" {
64 #endif
65 
66 #if !defined(_LP64) && (_FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE))
67 /*
68  * The following typedefs are adopted from ones in <sys/types.h> (with leading
69  * underscores added to avoid polluting the ANSI C name space).  See the
70  * commentary there for further explanation.
71  */
72 #if defined(_LONGLONG_TYPE)
73 typedef	long long	__longlong_t;
74 #else
75 /* used to reserve space and generate alignment */
76 typedef union {
77 	double	_d;
78 	int	_l[2];
79 } __longlong_t;
80 #endif
81 #endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE) */
82 
83 #if __cplusplus >= 199711L
84 namespace std {
85 #endif
86 
87 #if !defined(_FILEDEFED) || __cplusplus >= 199711L
88 #define	_FILEDEFED
89 typedef	__FILE FILE;
90 #endif
91 
92 #if !defined(_SIZE_T) || __cplusplus >= 199711L
93 #define	_SIZE_T
94 #if defined(_LP64) || defined(_I32LPx)
95 typedef unsigned long	size_t;		/* size of something in bytes */
96 #else
97 typedef unsigned int	size_t;		/* (historical version) */
98 #endif
99 #endif	/* !_SIZE_T */
100 
101 #if defined(_LP64) || _FILE_OFFSET_BITS == 32
102 typedef long		fpos_t;
103 #else
104 typedef	__longlong_t	fpos_t;
105 #endif
106 
107 #if __cplusplus >= 199711L
108 }
109 #endif /* end of namespace std */
110 
111 #ifndef	NULL
112 #if defined(_LP64)
113 #define	NULL	0L
114 #else
115 #define	NULL	0
116 #endif
117 #endif
118 
119 #define	BUFSIZ	1024
120 
121 /*
122  * The value of _NFILE is defined in the Processor Specific ABI.  The value
123  * is chosen for historical reasons rather than for truly processor related
124  * attribute.  Note that the SPARC Processor Specific ABI uses the common
125  * UNIX historical value of 20 so it is allowed to fall through.
126  */
127 #if defined(__i386)
128 #define	_NFILE	60	/* initial number of streams: Intel x86 ABI */
129 #else
130 #define	_NFILE	20	/* initial number of streams: SPARC ABI and default */
131 #endif
132 
133 #define	_SBFSIZ	8	/* compatibility with shared libs */
134 
135 #define	_IOFBF		0000	/* full buffered */
136 #define	_IOLBF		0100	/* line buffered */
137 #define	_IONBF		0004	/* not buffered */
138 #define	_IOEOF		0020	/* EOF reached on read */
139 #define	_IOERR		0040	/* I/O error from system */
140 
141 #define	_IOREAD		0001	/* currently reading */
142 #define	_IOWRT		0002	/* currently writing */
143 #define	_IORW		0200	/* opened for reading and writing */
144 #define	_IOMYBUF	0010	/* stdio malloc()'d buffer */
145 
146 #ifndef EOF
147 #define	EOF	(-1)
148 #endif
149 
150 #define	FOPEN_MAX	_NFILE
151 #define	FILENAME_MAX    1024	/* max # of characters in a path name */
152 
153 #define	SEEK_SET	0
154 #define	SEEK_CUR	1
155 #define	SEEK_END	2
156 #define	TMP_MAX		17576	/* 26 * 26 * 26 */
157 
158 #define	L_tmpnam	25	/* (sizeof(P_tmpdir) + 15) */
159 
160 #if defined(__STDC__)
161 extern __FILE	__iob[_NFILE];
162 #define	stdin	(&__iob[0])
163 #define	stdout	(&__iob[1])
164 #define	stderr	(&__iob[2])
165 #else
166 extern __FILE	_iob[_NFILE];
167 #define	stdin	(&_iob[0])
168 #define	stdout	(&_iob[1])
169 #define	stderr	(&_iob[2])
170 #endif	/* __STDC__ */
171 
172 #if __cplusplus >= 199711L
173 namespace std {
174 #endif
175 
176 #if !defined(_LP64) && !defined(_LONGLONG_TYPE)
177 
178 #ifdef __PRAGMA_REDEFINE_EXTNAME
179 #pragma redefine_extname fprintf	_fprintf_c89
180 #pragma redefine_extname printf		_printf_c89
181 #pragma redefine_extname sprintf	_sprintf_c89
182 #pragma redefine_extname vfprintf	_vfprintf_c89
183 #pragma redefine_extname vprintf	_vprintf_c89
184 #pragma redefine_extname vsprintf	_vsprintf_c89
185 #pragma redefine_extname fscanf		_fscanf_c89
186 #pragma redefine_extname scanf		_scanf_c89
187 #pragma redefine_extname sscanf		_sscanf_c89
188 #else
189 #define	fprintf		_fprintf_c89
190 #define	printf		_printf_c89
191 #define	sprintf		_sprintf_c89
192 #define	vfprintf	_vfprintf_c89
193 #define	vprintf		_vprintf_c89
194 #define	vsprintf	_vsprintf_c89
195 #define	fscanf		_fscanf_c89
196 #define	scanf		_scanf_c89
197 #define	sscanf		_sscanf_c89
198 #endif
199 
200 #endif /* !defined(_LP64) && !defined(_LONGLONG_TYPE) */
201 
202 #if defined(__STDC__)
203 
204 extern int	remove(const char *);
205 extern int	rename(const char *, const char *);
206 extern FILE	*tmpfile(void);
207 extern char	*tmpnam(char *);
208 extern int	fclose(FILE *);
209 extern int	fflush(FILE *);
210 extern FILE	*fopen(const char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD);
211 extern FILE	*freopen(const char *_RESTRICT_KYWD,
212 			const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
213 extern void	setbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
214 extern int	setvbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD, int,
215 			size_t);
216 /* PRINTFLIKE2 */
217 extern int	fprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
218 /* SCANFLIKE2 */
219 extern int	fscanf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
220 /* PRINTFLIKE1 */
221 extern int	printf(const char *_RESTRICT_KYWD, ...);
222 /* SCANFLIKE1 */
223 extern int	scanf(const char *_RESTRICT_KYWD, ...);
224 /* PRINTFLIKE2 */
225 extern int	sprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
226 /* SCANFLIKE2 */
227 extern int	sscanf(const char *_RESTRICT_KYWD,
228 			const char *_RESTRICT_KYWD, ...);
229 extern int	vfprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
230 			__va_list);
231 extern int	vprintf(const char *_RESTRICT_KYWD, __va_list);
232 extern int	vsprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
233 			__va_list);
234 extern int	fgetc(FILE *);
235 extern char	*fgets(char *_RESTRICT_KYWD, int, FILE *_RESTRICT_KYWD);
236 extern int	fputc(int, FILE *);
237 extern int	fputs(const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
238 #if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
239 	__cplusplus < 199711L
240 extern int	getc(FILE *);
241 extern int	putc(int, FILE *);
242 #endif
243 #if (__cplusplus >= 199711L && defined(_REENTRANT)) || \
244 	__cplusplus < 199711L
245 extern int	getchar(void);
246 extern int	putchar(int);
247 #endif
248 extern char	*gets(char *);
249 extern int	puts(const char *);
250 extern int	ungetc(int, FILE *);
251 extern size_t	fread(void *_RESTRICT_KYWD, size_t, size_t,
252 	FILE *_RESTRICT_KYWD);
253 extern size_t	fwrite(const void *_RESTRICT_KYWD, size_t, size_t,
254 	FILE *_RESTRICT_KYWD);
255 #if !defined(__lint) || defined(_LP64) || _FILE_OFFSET_BITS == 32
256 extern int	fgetpos(FILE *_RESTRICT_KYWD, fpos_t *_RESTRICT_KYWD);
257 extern int	fsetpos(FILE *, const fpos_t *);
258 #endif
259 extern int	fseek(FILE *, long, int);
260 extern long	ftell(FILE *);
261 extern void	rewind(FILE *);
262 #if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
263 	__cplusplus < 199711L
264 extern void	clearerr(FILE *);
265 extern int	feof(FILE *);
266 extern int	ferror(FILE *);
267 #endif
268 extern void	perror(const char *);
269 
270 #ifndef	_LP64
271 extern int	__filbuf(FILE *);
272 extern int	__flsbuf(int, FILE *);
273 #endif	/*	_LP64	*/
274 
275 #else	/* !defined __STDC__ */
276 
277 extern int	remove();
278 extern int	rename();
279 extern FILE	*tmpfile();
280 extern char	*tmpnam();
281 extern int	fclose();
282 extern int	fflush();
283 extern FILE	*fopen();
284 extern FILE	*freopen();
285 extern void	setbuf();
286 extern int	setvbuf();
287 extern int	fprintf();
288 extern int	fscanf();
289 extern int	printf();
290 extern int	scanf();
291 extern int	sprintf();
292 extern int	sscanf();
293 extern int	vfprintf();
294 extern int	vprintf();
295 extern int	vsprintf();
296 extern int	fgetc();
297 extern char	*fgets();
298 extern int	fputc();
299 extern int	fputs();
300 extern int	getc();
301 extern int	getchar();
302 extern char	*gets();
303 extern int	putc();
304 extern int	putchar();
305 extern int	puts();
306 extern int	ungetc();
307 extern size_t	fread();
308 extern size_t	fwrite();
309 extern int	fgetpos();
310 extern int	fseek();
311 extern int	fsetpos();
312 extern long	ftell();
313 extern void	rewind();
314 extern void	clearerr();
315 extern int	feof();
316 extern int	ferror();
317 extern void	perror();
318 
319 #ifndef	_LP64
320 extern int	_filbuf();
321 extern int	_flsbuf();
322 #endif	/*	_LP64	*/
323 
324 #endif	/* __STDC__ */
325 
326 #if __cplusplus >= 199711L
327 }
328 #endif /* end of namespace std */
329 
330 #if !defined(__lint)
331 
332 #if	!defined(_REENTRANT) && !defined(_LP64)
333 
334 #ifdef	__STDC__
335 #if __cplusplus >= 199711L
336 namespace std {
337 inline int getc(FILE *_p) {
338 	return (--_p->_cnt < 0 ? __filbuf(_p) : (int)*_p->_ptr++); }
339 inline int putc(int _x, FILE *_p) {
340 	return (--_p->_cnt < 0 ? __flsbuf(_x, _p)
341 		: (int)(*_p->_ptr++ = (unsigned char) _x)); }
342 }
343 #else /* __cplusplus >= 199711L */
344 #define	getc(p)		(--(p)->_cnt < 0 ? __filbuf(p) : (int)*(p)->_ptr++)
345 #define	putc(x, p)	(--(p)->_cnt < 0 ? __flsbuf((x), (p)) \
346 				: (int)(*(p)->_ptr++ = (unsigned char) (x)))
347 #endif /* __cplusplus >= 199711L */
348 #else /* __STDC__ */
349 #define	getc(p)		(--(p)->_cnt < 0 ? _filbuf(p) : (int)*(p)->_ptr++)
350 #define	putc(x, p)	(--(p)->_cnt < 0 ? _flsbuf((x), (p)) : \
351 				(int)(*(p)->_ptr++ = (unsigned char) (x)))
352 #endif	/* __STDC__ */
353 
354 #endif /* !defined(_REENTRANT) && !defined(_LP64) */
355 
356 #ifndef	_REENTRANT
357 
358 #if __cplusplus >= 199711L
359 namespace std {
360 inline int getchar() { return getc(stdin); }
361 inline int putchar(int _x) { return putc(_x, stdout); }
362 }
363 #else
364 #define	getchar()	getc(stdin)
365 #define	putchar(x)	putc((x), stdout)
366 #endif /* __cplusplus >= 199711L */
367 
368 #ifndef	_LP64
369 #if __cplusplus >= 199711L
370 namespace std {
371 inline void clearerr(FILE *_p) { _p->_flag &= ~(_IOERR | _IOEOF); }
372 inline int feof(FILE *_p) { return _p->_flag & _IOEOF; }
373 inline int ferror(FILE *_p) { return _p->_flag & _IOERR; }
374 }
375 #else /* __cplusplus >= 199711L */
376 #define	clearerr(p)	((void)((p)->_flag &= ~(_IOERR | _IOEOF)))
377 #define	feof(p)		((p)->_flag & _IOEOF)
378 #define	ferror(p)	((p)->_flag & _IOERR)
379 #endif /* __cplusplus >= 199711L */
380 #endif	/* _LP64 */
381 
382 #endif	/* _REENTRANT */
383 
384 #endif	/* !defined(__lint) */
385 
386 #ifdef	__cplusplus
387 }
388 #endif
389 
390 #endif	/* _ISO_STDIO_ISO_H */
391