1 |
27 |
unneback |
#ifndef CYGONCE_LIBC_STDIO_STDIO_H
|
2 |
|
|
#define CYGONCE_LIBC_STDIO_STDIO_H
|
3 |
|
|
//========================================================================
|
4 |
|
|
//
|
5 |
|
|
// stdio.h
|
6 |
|
|
//
|
7 |
|
|
// ISO C standard I/O routines - with some POSIX 1003.1 extensions
|
8 |
|
|
//
|
9 |
|
|
//========================================================================
|
10 |
|
|
//####ECOSGPLCOPYRIGHTBEGIN####
|
11 |
|
|
// -------------------------------------------
|
12 |
|
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
13 |
|
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
|
14 |
|
|
//
|
15 |
|
|
// eCos is free software; you can redistribute it and/or modify it under
|
16 |
|
|
// the terms of the GNU General Public License as published by the Free
|
17 |
|
|
// Software Foundation; either version 2 or (at your option) any later version.
|
18 |
|
|
//
|
19 |
|
|
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
|
20 |
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
21 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
22 |
|
|
// for more details.
|
23 |
|
|
//
|
24 |
|
|
// You should have received a copy of the GNU General Public License along
|
25 |
|
|
// with eCos; if not, write to the Free Software Foundation, Inc.,
|
26 |
|
|
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
|
27 |
|
|
//
|
28 |
|
|
// As a special exception, if other files instantiate templates or use macros
|
29 |
|
|
// or inline functions from this file, or you compile this file and link it
|
30 |
|
|
// with other works to produce a work based on this file, this file does not
|
31 |
|
|
// by itself cause the resulting work to be covered by the GNU General Public
|
32 |
|
|
// License. However the source code for this file must still be made available
|
33 |
|
|
// in accordance with section (3) of the GNU General Public License.
|
34 |
|
|
//
|
35 |
|
|
// This exception does not invalidate any other reasons why a work based on
|
36 |
|
|
// this file might be covered by the GNU General Public License.
|
37 |
|
|
//
|
38 |
|
|
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
|
39 |
|
|
// at http://sources.redhat.com/ecos/ecos-license/
|
40 |
|
|
// -------------------------------------------
|
41 |
|
|
//####ECOSGPLCOPYRIGHTEND####
|
42 |
|
|
//========================================================================
|
43 |
|
|
//#####DESCRIPTIONBEGIN####
|
44 |
|
|
//
|
45 |
|
|
// Author(s): jlarmour
|
46 |
|
|
// Contributors:
|
47 |
|
|
// Date: 2000-04-19
|
48 |
|
|
// Purpose: ISO C standard I/O routines
|
49 |
|
|
// Description:
|
50 |
|
|
// Usage: Do not include this file directly - use #include <stdio.h>
|
51 |
|
|
//
|
52 |
|
|
//####DESCRIPTIONEND####
|
53 |
|
|
//
|
54 |
|
|
//========================================================================
|
55 |
|
|
|
56 |
|
|
// CONFIGURATION
|
57 |
|
|
|
58 |
|
|
#include <pkgconf/libc_stdio.h> // Configuration header
|
59 |
|
|
|
60 |
|
|
// INCLUDES
|
61 |
|
|
|
62 |
|
|
#include <cyg/infra/cyg_type.h> // common type definitions and support
|
63 |
|
|
#include <stdarg.h> // va_list from compiler
|
64 |
|
|
|
65 |
|
|
// CONSTANTS
|
66 |
|
|
|
67 |
|
|
// Some of these values are odd to ensure that asserts have better effect
|
68 |
|
|
// should spurious values be passed to functions expecting these constants.
|
69 |
|
|
|
70 |
|
|
// _IOFBF, _IOLBF, and _IONBF specify full, line or no buffering when used
|
71 |
|
|
// with setvbuf() - ISO C standard chap 7.9.1
|
72 |
|
|
|
73 |
|
|
#define _IOFBF (-2)
|
74 |
|
|
#define _IOLBF (-4)
|
75 |
|
|
#define _IONBF (-8)
|
76 |
|
|
|
77 |
|
|
// EOF is a macro defined to any negative integer constant - ISO C standard
|
78 |
|
|
// chap. 7.9.1
|
79 |
|
|
#define EOF (-1)
|
80 |
|
|
|
81 |
|
|
// SEEK_CUR, SEEK_END and SEEK_SET are used with fseek() as position
|
82 |
|
|
// anchors - ISO C standard chap. 7.9.1
|
83 |
|
|
#define SEEK_SET 0
|
84 |
|
|
#define SEEK_CUR 1
|
85 |
|
|
#define SEEK_END 2
|
86 |
|
|
|
87 |
|
|
|
88 |
|
|
// TYPE DEFINITIONS
|
89 |
|
|
|
90 |
|
|
// A type capable of specifying uniquely every file position - ISO C
|
91 |
|
|
// standard chap 7.9.1
|
92 |
|
|
typedef cyg_ucount32 fpos_t;
|
93 |
|
|
|
94 |
|
|
|
95 |
|
|
// FILE is just cast to an address here. It is uncast internally to the
|
96 |
|
|
// C library in stream.hxx as the C++ Cyg_StdioStream class.
|
97 |
|
|
// Optional run-time checking can be enabled to ensure that the cast is
|
98 |
|
|
// valid, using the standard assertion functionality.
|
99 |
|
|
//
|
100 |
|
|
// The array size is irrelevant other than being more than 8, and is present
|
101 |
|
|
// to stop references to FILEs being marked as able to be put in the small
|
102 |
|
|
// data section. We can't just mark it as in the ".data" section as on some
|
103 |
|
|
// targets it may actually be ".common".
|
104 |
|
|
typedef CYG_ADDRESS FILE[9999];
|
105 |
|
|
|
106 |
|
|
// EXTERNAL VARIABLES
|
107 |
|
|
|
108 |
|
|
// Default file streams for input/output. These only need to be
|
109 |
|
|
// expressions, not l-values - ISO C standard chap. 7.9.1
|
110 |
|
|
//
|
111 |
|
|
// CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS is used when initializing
|
112 |
|
|
// stdin/out/err privately inside the C library
|
113 |
|
|
|
114 |
|
|
#ifndef CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS
|
115 |
|
|
__externC FILE *stdin, *stdout, *stderr;
|
116 |
|
|
#endif
|
117 |
|
|
|
118 |
|
|
// FUNCTION PROTOTYPES
|
119 |
|
|
|
120 |
|
|
//========================================================================
|
121 |
|
|
|
122 |
|
|
// ISO C 7.9.5 File access functions
|
123 |
|
|
|
124 |
|
|
externC int
|
125 |
|
|
fclose( FILE * /* stream */ );
|
126 |
|
|
|
127 |
|
|
externC int
|
128 |
|
|
fflush( FILE * /* stream */ );
|
129 |
|
|
|
130 |
|
|
externC FILE *
|
131 |
|
|
fopen( const char * /* filename */, const char * /* mode */ );
|
132 |
|
|
|
133 |
|
|
externC FILE *
|
134 |
|
|
freopen( const char * /* filename */, const char * /* mode */,
|
135 |
|
|
FILE * /* stream */ );
|
136 |
|
|
|
137 |
|
|
externC void
|
138 |
|
|
setbuf( FILE * /* stream */, char * /* buffer */ );
|
139 |
|
|
|
140 |
|
|
externC int
|
141 |
|
|
setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */,
|
142 |
|
|
size_t /* size */ );
|
143 |
|
|
|
144 |
|
|
//========================================================================
|
145 |
|
|
|
146 |
|
|
// ISO C 7.9.6 Formatted input/output functions
|
147 |
|
|
|
148 |
|
|
externC int
|
149 |
|
|
fprintf( FILE * /* stream */, const char * /* format */, ... );
|
150 |
|
|
|
151 |
|
|
externC int
|
152 |
|
|
fscanf( FILE * /* stream */, const char * /* format */, ... );
|
153 |
|
|
|
154 |
|
|
externC int
|
155 |
|
|
printf( const char * /* format */, ... );
|
156 |
|
|
|
157 |
|
|
externC int
|
158 |
|
|
scanf( const char * /* format */, ... );
|
159 |
|
|
|
160 |
|
|
externC int
|
161 |
|
|
sprintf( char * /* str */, const char * /* format */, ... );
|
162 |
|
|
|
163 |
|
|
externC int
|
164 |
|
|
sscanf( const char * /* str */, const char * /* format */, ... );
|
165 |
|
|
|
166 |
|
|
externC int
|
167 |
|
|
vfprintf( FILE * /* stream */, const char * /* format */,
|
168 |
|
|
va_list /* args */ );
|
169 |
|
|
|
170 |
|
|
externC int
|
171 |
|
|
vprintf( const char * /* format */, va_list /* args */ );
|
172 |
|
|
|
173 |
|
|
externC int
|
174 |
|
|
vsprintf( char * /* str */, const char * /* format */,
|
175 |
|
|
va_list /* args */ );
|
176 |
|
|
|
177 |
|
|
//========================================================================
|
178 |
|
|
|
179 |
|
|
// ISO C 7.9.7 Character input/output functions
|
180 |
|
|
|
181 |
|
|
externC int
|
182 |
|
|
fgetc( FILE * /* stream */ );
|
183 |
|
|
|
184 |
|
|
externC char *
|
185 |
|
|
fgets( char * /* str */, int /* length */, FILE * /* stream */ );
|
186 |
|
|
|
187 |
|
|
externC int
|
188 |
|
|
fputc( int /* c */, FILE * /* stream */ );
|
189 |
|
|
|
190 |
|
|
externC int
|
191 |
|
|
putc( int /* c */, FILE * /* stream */ );
|
192 |
|
|
|
193 |
|
|
externC int
|
194 |
|
|
putchar( int /* c */ );
|
195 |
|
|
|
196 |
|
|
externC int
|
197 |
|
|
fputs( const char * /* str */, FILE * /* stream */ );
|
198 |
|
|
|
199 |
|
|
externC char *
|
200 |
|
|
gets( char * );
|
201 |
|
|
|
202 |
|
|
externC int
|
203 |
|
|
getc( FILE * /* stream */ );
|
204 |
|
|
|
205 |
|
|
externC int
|
206 |
|
|
getchar( void );
|
207 |
|
|
|
208 |
|
|
externC int
|
209 |
|
|
puts( const char * /* str */ );
|
210 |
|
|
|
211 |
|
|
externC int
|
212 |
|
|
ungetc( int /* c */, FILE * /* stream */ );
|
213 |
|
|
|
214 |
|
|
// no function equivalent is required for getchar() or putchar(), so we can
|
215 |
|
|
// just #define them
|
216 |
|
|
|
217 |
|
|
#define getchar() fgetc( stdin )
|
218 |
|
|
|
219 |
|
|
#define putchar(__c) fputc(__c, stdout)
|
220 |
|
|
|
221 |
|
|
//========================================================================
|
222 |
|
|
|
223 |
|
|
// ISO C 7.9.8 Direct input/output functions
|
224 |
|
|
|
225 |
|
|
externC size_t
|
226 |
|
|
fread( void * /* ptr */, size_t /* object_size */,
|
227 |
|
|
size_t /* num_objects */, FILE * /* stream */ );
|
228 |
|
|
|
229 |
|
|
externC size_t
|
230 |
|
|
fwrite( const void * /* ptr */, size_t /* object_size */,
|
231 |
|
|
size_t /* num_objects */, FILE * /* stream */ );
|
232 |
|
|
|
233 |
|
|
//========================================================================
|
234 |
|
|
|
235 |
|
|
// ISO C 7.9.9 File positioning functions
|
236 |
|
|
|
237 |
|
|
externC int
|
238 |
|
|
fgetpos( FILE * /* stream */, fpos_t * /* pos */ );
|
239 |
|
|
|
240 |
|
|
externC int
|
241 |
|
|
fseek( FILE * /* stream */, long int /* offset */, int /* whence */ );
|
242 |
|
|
|
243 |
|
|
externC int
|
244 |
|
|
fsetpos( FILE * /* stream */, const fpos_t * /* pos */ );
|
245 |
|
|
|
246 |
|
|
externC long int
|
247 |
|
|
ftell( FILE * /* stream */ );
|
248 |
|
|
|
249 |
|
|
externC void
|
250 |
|
|
rewind( FILE * /* stream */ );
|
251 |
|
|
|
252 |
|
|
//========================================================================
|
253 |
|
|
|
254 |
|
|
// ISO C 7.9.10 Error-handling functions
|
255 |
|
|
|
256 |
|
|
externC void
|
257 |
|
|
clearerr( FILE * /* stream */ );
|
258 |
|
|
|
259 |
|
|
externC int
|
260 |
|
|
feof( FILE * /* stream */ );
|
261 |
|
|
|
262 |
|
|
externC int
|
263 |
|
|
ferror( FILE * /* stream */ );
|
264 |
|
|
|
265 |
|
|
externC void
|
266 |
|
|
perror( const char * /* prefix_str */ );
|
267 |
|
|
|
268 |
|
|
//========================================================================
|
269 |
|
|
|
270 |
|
|
// Other non-ISO C functions
|
271 |
|
|
|
272 |
|
|
externC int
|
273 |
|
|
fnprintf( FILE * /* stream */, size_t /* length */,
|
274 |
|
|
const char * /* format */, ... ) CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4);
|
275 |
|
|
|
276 |
|
|
externC int
|
277 |
|
|
snprintf( char * /* str */, size_t /* length */, const char * /* format */,
|
278 |
|
|
... ) CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4);
|
279 |
|
|
|
280 |
|
|
externC int
|
281 |
|
|
vfnprintf( FILE * /* stream */, size_t /* length */,
|
282 |
|
|
const char * /* format */, va_list /* args */ );
|
283 |
|
|
|
284 |
|
|
externC int
|
285 |
|
|
vsnprintf( char * /* str */, size_t /* length */,
|
286 |
|
|
const char * /* format */, va_list /* args */ );
|
287 |
|
|
|
288 |
|
|
externC int
|
289 |
|
|
vscanf( const char * /* format */, va_list /* args */ );
|
290 |
|
|
|
291 |
|
|
externC int
|
292 |
|
|
vsscanf( const char * /* str */, const char * /* format */,
|
293 |
|
|
va_list /* args */ );
|
294 |
|
|
|
295 |
|
|
externC int
|
296 |
|
|
vfscanf( FILE * /* stream */, const char * /* format */,
|
297 |
|
|
va_list /* args */ );
|
298 |
|
|
|
299 |
|
|
|
300 |
|
|
// INLINE FUNCTIONS
|
301 |
|
|
|
302 |
|
|
#ifdef CYGIMP_LIBC_STDIO_INLINES
|
303 |
|
|
# include <cyg/libc/stdio/stdio.inl>
|
304 |
|
|
#endif
|
305 |
|
|
|
306 |
|
|
#endif // CYGONCE_LIBC_STDIO_STDIO_H multiple inclusion protection
|
307 |
|
|
|
308 |
|
|
// EOF stdio.h
|