| 1 |
2 |
drasko |
/* Copyright (C) 2002-2004 Manuel Novoa III <mjn3@codepoet.org>
|
| 2 |
|
|
*
|
| 3 |
|
|
* GNU Library General Public License (LGPL) version 2 or later.
|
| 4 |
|
|
*
|
| 5 |
|
|
* Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
|
| 6 |
|
|
*/
|
| 7 |
|
|
|
| 8 |
|
|
#ifndef _STDIO_H
|
| 9 |
|
|
#error Always include <stdio.h> rather than <bits/uClibc_stdio.h>
|
| 10 |
|
|
#endif
|
| 11 |
|
|
|
| 12 |
|
|
/**********************************************************************/
|
| 13 |
|
|
|
| 14 |
|
|
#define __STDIO_BUFFERS
|
| 15 |
|
|
/* ANSI/ISO mandate at least 256. */
|
| 16 |
|
|
#if defined(__UCLIBC_HAS_STDIO_BUFSIZ_NONE__)
|
| 17 |
|
|
/* Fake this because some apps use stdio.h BUFSIZ. */
|
| 18 |
|
|
#define __STDIO_BUFSIZ 256
|
| 19 |
|
|
#undef __STDIO_BUFFERS
|
| 20 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_256__)
|
| 21 |
|
|
#define __STDIO_BUFSIZ 256
|
| 22 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_512__)
|
| 23 |
|
|
#define __STDIO_BUFSIZ 512
|
| 24 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_1024__)
|
| 25 |
|
|
#define __STDIO_BUFSIZ 1024
|
| 26 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_2048__)
|
| 27 |
|
|
#define __STDIO_BUFSIZ 2048
|
| 28 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_4096__)
|
| 29 |
|
|
#define __STDIO_BUFSIZ 4096
|
| 30 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUFSIZ_8192__)
|
| 31 |
|
|
#define __STDIO_BUFSIZ 8192
|
| 32 |
|
|
#else
|
| 33 |
|
|
#error config seems to be out of sync regarding bufsiz options
|
| 34 |
|
|
#endif
|
| 35 |
|
|
|
| 36 |
|
|
#ifdef __UCLIBC_HAS_STDIO_BUFSIZ_NONE__
|
| 37 |
|
|
#define __STDIO_BUILTIN_BUF_SIZE 0
|
| 38 |
|
|
#else /* __UCLIBC_HAS_STDIO_BUFSIZ_NONE__ */
|
| 39 |
|
|
#if defined(__UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE__)
|
| 40 |
|
|
#define __STDIO_BUILTIN_BUF_SIZE 0
|
| 41 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4__)
|
| 42 |
|
|
#define __STDIO_BUILTIN_BUF_SIZE 4
|
| 43 |
|
|
#elif defined(__UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8__)
|
| 44 |
|
|
#define __STDIO_BUILTIN_BUF_SIZE 8
|
| 45 |
|
|
#else
|
| 46 |
|
|
#error config seems to be out of sync regarding builtin buffer size
|
| 47 |
|
|
#endif
|
| 48 |
|
|
#endif
|
| 49 |
|
|
|
| 50 |
|
|
#if defined(__STDIO_BUFFERS) || defined(__UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__) || defined(__UCLIBC_HAS_THREADS__)
|
| 51 |
|
|
#define __STDIO_HAS_OPENLIST 1
|
| 52 |
|
|
#else
|
| 53 |
|
|
#undef __STDIO_HAS_OPENLIST
|
| 54 |
|
|
#endif
|
| 55 |
|
|
|
| 56 |
|
|
/**********************************************************************/
|
| 57 |
|
|
/* Make sure defines related to large files are consistent. */
|
| 58 |
|
|
#ifdef _LIBC
|
| 59 |
|
|
|
| 60 |
|
|
#ifdef __UCLIBC_HAS_LFS__
|
| 61 |
|
|
#undef __USE_LARGEFILE
|
| 62 |
|
|
#undef __USE_LARGEFILE64
|
| 63 |
|
|
#undef __USE_FILE_OFFSET64
|
| 64 |
|
|
/* If we're actually building uClibc with large file support, only define... */
|
| 65 |
|
|
#define __USE_LARGEFILE64 1
|
| 66 |
|
|
#endif /* __UCLIBC_HAS_LFS__ */
|
| 67 |
|
|
|
| 68 |
|
|
#else /* not _LIBC */
|
| 69 |
|
|
|
| 70 |
|
|
#ifndef __UCLIBC_HAS_LFS__
|
| 71 |
|
|
#if defined(__LARGEFILE64_SOURCE) || defined(__USE_LARGEFILE64) || defined(__USE_FILE_OFFSET64)
|
| 72 |
|
|
#error Sorry... uClibc was built without large file support!
|
| 73 |
|
|
#endif
|
| 74 |
|
|
#endif /* __UCLIBC_HAS_LFS__ */
|
| 75 |
|
|
|
| 76 |
|
|
#endif /* _LIBC */
|
| 77 |
|
|
/**********************************************************************/
|
| 78 |
|
|
#ifdef __UCLIBC_HAS_WCHAR__
|
| 79 |
|
|
|
| 80 |
|
|
#define __need_wchar_t
|
| 81 |
|
|
#include <stddef.h>
|
| 82 |
|
|
|
| 83 |
|
|
/* Note: we don't really need mbstate for 8-bit locales. We do for UTF-8.
|
| 84 |
|
|
* For now, always use it. */
|
| 85 |
|
|
#define __STDIO_MBSTATE
|
| 86 |
|
|
#define __need_mbstate_t
|
| 87 |
|
|
#include <wchar.h>
|
| 88 |
|
|
|
| 89 |
|
|
#endif
|
| 90 |
|
|
/**********************************************************************/
|
| 91 |
|
|
/* Currently unimplemented/untested */
|
| 92 |
|
|
/* #define __STDIO_FLEXIBLE_SETVBUF */
|
| 93 |
|
|
|
| 94 |
|
|
#ifdef __UCLIBC_HAS_STDIO_GETC_MACRO__
|
| 95 |
|
|
#define __STDIO_GETC_MACRO
|
| 96 |
|
|
#endif
|
| 97 |
|
|
|
| 98 |
|
|
#ifdef __UCLIBC_HAS_STDIO_PUTC_MACRO__
|
| 99 |
|
|
#define __STDIO_PUTC_MACRO
|
| 100 |
|
|
#endif
|
| 101 |
|
|
|
| 102 |
|
|
|
| 103 |
|
|
/* These are consistency checks on the different options */
|
| 104 |
|
|
|
| 105 |
|
|
#ifndef __STDIO_BUFFERS
|
| 106 |
|
|
#undef __STDIO_GETC_MACRO
|
| 107 |
|
|
#undef __STDIO_PUTC_MACRO
|
| 108 |
|
|
#endif
|
| 109 |
|
|
|
| 110 |
|
|
#ifdef __BCC__
|
| 111 |
|
|
#undef __UCLIBC_HAS_LFS__
|
| 112 |
|
|
#endif
|
| 113 |
|
|
|
| 114 |
|
|
#ifndef __UCLIBC_HAS_LFS__
|
| 115 |
|
|
#undef __UCLIBC_HAS_FOPEN_LARGEFILE_MODE__
|
| 116 |
|
|
#endif
|
| 117 |
|
|
|
| 118 |
|
|
/**********************************************************************/
|
| 119 |
|
|
#include <bits/uClibc_mutex.h>
|
| 120 |
|
|
|
| 121 |
|
|
/* user_locking
|
| 122 |
|
|
* 0 : do auto locking/unlocking
|
| 123 |
|
|
* 1 : user does locking/unlocking
|
| 124 |
|
|
* 2 : initial state prior to thread initialization
|
| 125 |
|
|
* with no auto locking/unlocking
|
| 126 |
|
|
*
|
| 127 |
|
|
* When threading is initialized, walk the stdio open stream list
|
| 128 |
|
|
* and do "if (user_locking == 2) user_locking = 0;".
|
| 129 |
|
|
*
|
| 130 |
|
|
* This way, we avoid calling the weak lock/unlock functions.
|
| 131 |
|
|
*/
|
| 132 |
|
|
|
| 133 |
|
|
#define __STDIO_AUTO_THREADLOCK_VAR \
|
| 134 |
|
|
__UCLIBC_MUTEX_AUTO_LOCK_VAR(__infunc_user_locking)
|
| 135 |
|
|
|
| 136 |
|
|
#define __STDIO_AUTO_THREADLOCK(__stream) \
|
| 137 |
|
|
__UCLIBC_MUTEX_AUTO_LOCK((__stream)->__lock, __infunc_user_locking, \
|
| 138 |
|
|
(__stream)->__user_locking)
|
| 139 |
|
|
|
| 140 |
|
|
#define __STDIO_AUTO_THREADUNLOCK(__stream) \
|
| 141 |
|
|
__UCLIBC_MUTEX_AUTO_UNLOCK((__stream)->__lock, __infunc_user_locking)
|
| 142 |
|
|
|
| 143 |
|
|
#define __STDIO_ALWAYS_THREADLOCK(__stream) \
|
| 144 |
|
|
__UCLIBC_MUTEX_LOCK((__stream)->__lock)
|
| 145 |
|
|
|
| 146 |
|
|
#define __STDIO_ALWAYS_THREADUNLOCK(__stream) \
|
| 147 |
|
|
__UCLIBC_MUTEX_UNLOCK((__stream)->__lock)
|
| 148 |
|
|
|
| 149 |
|
|
#define __STDIO_ALWAYS_THREADLOCK_CANCEL_UNSAFE(__stream) \
|
| 150 |
|
|
__UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE((__stream)->__lock)
|
| 151 |
|
|
|
| 152 |
|
|
#define __STDIO_ALWAYS_THREADTRYLOCK_CANCEL_UNSAFE(__stream) \
|
| 153 |
|
|
__UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE((__stream)->__lock)
|
| 154 |
|
|
|
| 155 |
|
|
#define __STDIO_ALWAYS_THREADUNLOCK_CANCEL_UNSAFE(__stream) \
|
| 156 |
|
|
__UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE((__stream)->__lock)
|
| 157 |
|
|
|
| 158 |
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
| 159 |
|
|
#define __STDIO_SET_USER_LOCKING(__stream) ((__stream)->__user_locking = 1)
|
| 160 |
|
|
#else
|
| 161 |
|
|
#define __STDIO_SET_USER_LOCKING(__stream) ((void)0)
|
| 162 |
|
|
#endif
|
| 163 |
|
|
|
| 164 |
|
|
/**********************************************************************/
|
| 165 |
|
|
|
| 166 |
|
|
#define __STDIO_IOFBF 0 /* Fully buffered. */
|
| 167 |
|
|
#define __STDIO_IOLBF 1 /* Line buffered. */
|
| 168 |
|
|
#define __STDIO_IONBF 2 /* No buffering. */
|
| 169 |
|
|
|
| 170 |
|
|
typedef struct {
|
| 171 |
|
|
__off_t __pos;
|
| 172 |
|
|
#ifdef __STDIO_MBSTATE
|
| 173 |
|
|
__mbstate_t __mbstate;
|
| 174 |
|
|
#endif
|
| 175 |
|
|
#ifdef __UCLIBC_HAS_WCHAR__
|
| 176 |
|
|
int __mblen_pending;
|
| 177 |
|
|
#endif
|
| 178 |
|
|
} __STDIO_fpos_t;
|
| 179 |
|
|
|
| 180 |
|
|
#ifdef __UCLIBC_HAS_LFS__
|
| 181 |
|
|
typedef struct {
|
| 182 |
|
|
__off64_t __pos;
|
| 183 |
|
|
#ifdef __STDIO_MBSTATE
|
| 184 |
|
|
__mbstate_t __mbstate;
|
| 185 |
|
|
#endif
|
| 186 |
|
|
#ifdef __UCLIBC_HAS_WCHAR__
|
| 187 |
|
|
int __mblen_pending;
|
| 188 |
|
|
#endif
|
| 189 |
|
|
} __STDIO_fpos64_t;
|
| 190 |
|
|
#endif
|
| 191 |
|
|
|
| 192 |
|
|
/**********************************************************************/
|
| 193 |
|
|
#ifdef __UCLIBC_HAS_LFS__
|
| 194 |
|
|
typedef __off64_t __offmax_t; /* TODO -- rename this? */
|
| 195 |
|
|
#else
|
| 196 |
|
|
typedef __off_t __offmax_t; /* TODO -- rename this? */
|
| 197 |
|
|
#endif
|
| 198 |
|
|
|
| 199 |
|
|
/**********************************************************************/
|
| 200 |
|
|
#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
|
| 201 |
|
|
|
| 202 |
|
|
typedef __ssize_t __io_read_fn(void *__cookie, char *__buf, size_t __bufsize);
|
| 203 |
|
|
typedef __ssize_t __io_write_fn(void *__cookie,
|
| 204 |
|
|
__const char *__buf, size_t __bufsize);
|
| 205 |
|
|
/* NOTE: GLIBC difference!!! -- fopencookie seek function
|
| 206 |
|
|
* For glibc, the type of pos is always (__off64_t *) but in our case
|
| 207 |
|
|
* it is type (__off_t *) when the lib is built without large file support.
|
| 208 |
|
|
*/
|
| 209 |
|
|
typedef int __io_seek_fn(void *__cookie, __offmax_t *__pos, int __whence);
|
| 210 |
|
|
typedef int __io_close_fn(void *__cookie);
|
| 211 |
|
|
|
| 212 |
|
|
typedef struct {
|
| 213 |
|
|
__io_read_fn *read;
|
| 214 |
|
|
__io_write_fn *write;
|
| 215 |
|
|
__io_seek_fn *seek;
|
| 216 |
|
|
__io_close_fn *close;
|
| 217 |
|
|
} _IO_cookie_io_functions_t;
|
| 218 |
|
|
|
| 219 |
|
|
#if defined(_LIBC) || defined(_GNU_SOURCE)
|
| 220 |
|
|
|
| 221 |
|
|
typedef __io_read_fn cookie_read_function_t;
|
| 222 |
|
|
typedef __io_write_fn cookie_write_function_t;
|
| 223 |
|
|
typedef __io_seek_fn cookie_seek_function_t;
|
| 224 |
|
|
typedef __io_close_fn cookie_close_function_t;
|
| 225 |
|
|
|
| 226 |
|
|
typedef _IO_cookie_io_functions_t cookie_io_functions_t;
|
| 227 |
|
|
|
| 228 |
|
|
#endif
|
| 229 |
|
|
|
| 230 |
|
|
#endif
|
| 231 |
|
|
/**********************************************************************/
|
| 232 |
|
|
|
| 233 |
|
|
struct __STDIO_FILE_STRUCT {
|
| 234 |
|
|
unsigned short __modeflags;
|
| 235 |
|
|
/* There could be a hole here, but modeflags is used most.*/
|
| 236 |
|
|
#ifdef __UCLIBC_HAS_WCHAR__
|
| 237 |
|
|
unsigned char __ungot_width[2]; /* 0: current (building) char; 1: scanf */
|
| 238 |
|
|
/* Move the following futher down to avoid problems with getc/putc
|
| 239 |
|
|
* macros breaking shared apps when wchar config support is changed. */
|
| 240 |
|
|
/* wchar_t ungot[2]; */
|
| 241 |
|
|
#else /* __UCLIBC_HAS_WCHAR__ */
|
| 242 |
|
|
unsigned char __ungot[2];
|
| 243 |
|
|
#endif /* __UCLIBC_HAS_WCHAR__ */
|
| 244 |
|
|
int __filedes;
|
| 245 |
|
|
#ifdef __STDIO_BUFFERS
|
| 246 |
|
|
unsigned char *__bufstart; /* pointer to buffer */
|
| 247 |
|
|
unsigned char *__bufend; /* pointer to 1 past end of buffer */
|
| 248 |
|
|
unsigned char *__bufpos;
|
| 249 |
|
|
unsigned char *__bufread; /* pointer to 1 past last buffered read char */
|
| 250 |
|
|
|
| 251 |
|
|
#ifdef __STDIO_GETC_MACRO
|
| 252 |
|
|
unsigned char *__bufgetc_u; /* 1 past last readable by getc_unlocked */
|
| 253 |
|
|
#endif /* __STDIO_GETC_MACRO */
|
| 254 |
|
|
#ifdef __STDIO_PUTC_MACRO
|
| 255 |
|
|
unsigned char *__bufputc_u; /* 1 past last writeable by putc_unlocked */
|
| 256 |
|
|
#endif /* __STDIO_PUTC_MACRO */
|
| 257 |
|
|
|
| 258 |
|
|
#endif /* __STDIO_BUFFERS */
|
| 259 |
|
|
|
| 260 |
|
|
#ifdef __STDIO_HAS_OPENLIST
|
| 261 |
|
|
struct __STDIO_FILE_STRUCT *__nextopen;
|
| 262 |
|
|
#endif
|
| 263 |
|
|
#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
|
| 264 |
|
|
void *__cookie;
|
| 265 |
|
|
_IO_cookie_io_functions_t __gcs;
|
| 266 |
|
|
#endif
|
| 267 |
|
|
#ifdef __UCLIBC_HAS_WCHAR__
|
| 268 |
|
|
wchar_t __ungot[2];
|
| 269 |
|
|
#endif
|
| 270 |
|
|
#ifdef __STDIO_MBSTATE
|
| 271 |
|
|
__mbstate_t __state;
|
| 272 |
|
|
#endif
|
| 273 |
|
|
#ifdef __UCLIBC_HAS_XLOCALE__
|
| 274 |
|
|
void *__unused; /* Placeholder for codeset binding. */
|
| 275 |
|
|
#endif
|
| 276 |
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
| 277 |
|
|
int __user_locking;
|
| 278 |
|
|
__UCLIBC_MUTEX(__lock);
|
| 279 |
|
|
#endif
|
| 280 |
|
|
/* Everything after this is unimplemented... and may be trashed. */
|
| 281 |
|
|
#if __STDIO_BUILTIN_BUF_SIZE > 0
|
| 282 |
|
|
unsigned char __builtinbuf[__STDIO_BUILTIN_BUF_SIZE];
|
| 283 |
|
|
#endif /* __STDIO_BUILTIN_BUF_SIZE > 0 */
|
| 284 |
|
|
};
|
| 285 |
|
|
|
| 286 |
|
|
|
| 287 |
|
|
/***********************************************************************/
|
| 288 |
|
|
/* Having ungotten characters implies the stream is reading.
|
| 289 |
|
|
* The scheme used here treats the least significant 2 bits of
|
| 290 |
|
|
* the stream's modeflags member as follows:
|
| 291 |
|
|
* 0 0 Not currently reading.
|
| 292 |
|
|
* 0 1 Reading, but no ungetc() or scanf() push back chars.
|
| 293 |
|
|
* 1 0 Reading with one ungetc() char (ungot[1] is 1)
|
| 294 |
|
|
* or one scanf() pushed back char (ungot[1] is 0).
|
| 295 |
|
|
* 1 1 Reading with both an ungetc() char and a scanf()
|
| 296 |
|
|
* pushed back char. Note that this must be the result
|
| 297 |
|
|
* of a scanf() push back (in ungot[0]) _followed_ by
|
| 298 |
|
|
* an ungetc() call (in ungot[1]).
|
| 299 |
|
|
*
|
| 300 |
|
|
* Notes:
|
| 301 |
|
|
* scanf() can NOT use ungetc() to push back characters.
|
| 302 |
|
|
* (See section 7.19.6.2 of the C9X rationale -- WG14/N897.)
|
| 303 |
|
|
*/
|
| 304 |
|
|
|
| 305 |
|
|
#define __MASK_READING 0x0003U /* (0x0001 | 0x0002) */
|
| 306 |
|
|
#define __FLAG_READING 0x0001U
|
| 307 |
|
|
#define __FLAG_UNGOT 0x0002U
|
| 308 |
|
|
#define __FLAG_EOF 0x0004U
|
| 309 |
|
|
#define __FLAG_ERROR 0x0008U
|
| 310 |
|
|
#define __FLAG_WRITEONLY 0x0010U
|
| 311 |
|
|
#define __FLAG_READONLY 0x0020U /* (__FLAG_WRITEONLY << 1) */
|
| 312 |
|
|
#define __FLAG_WRITING 0x0040U
|
| 313 |
|
|
#define __FLAG_NARROW 0x0080U
|
| 314 |
|
|
|
| 315 |
|
|
#define __FLAG_FBF 0x0000U /* must be 0 */
|
| 316 |
|
|
#define __FLAG_LBF 0x0100U
|
| 317 |
|
|
#define __FLAG_NBF 0x0200U /* (__FLAG_LBF << 1) */
|
| 318 |
|
|
#define __MASK_BUFMODE 0x0300U /* (__FLAG_LBF|__FLAG_NBF) */
|
| 319 |
|
|
#define __FLAG_APPEND 0x0400U /* fixed! == O_APPEND for linux */
|
| 320 |
|
|
#define __FLAG_WIDE 0x0800U
|
| 321 |
|
|
/* available slot 0x1000U */
|
| 322 |
|
|
#define __FLAG_FREEFILE 0x2000U
|
| 323 |
|
|
#define __FLAG_FREEBUF 0x4000U
|
| 324 |
|
|
#define __FLAG_LARGEFILE 0x8000U /* fixed! == 0_LARGEFILE for linux */
|
| 325 |
|
|
#define __FLAG_FAILED_FREOPEN __FLAG_LARGEFILE
|
| 326 |
|
|
|
| 327 |
|
|
/* Note: In no-buffer mode, it would be possible to pack the necessary
|
| 328 |
|
|
* flags into one byte. Since we wouldn't be buffering and there would
|
| 329 |
|
|
* be no support for wchar, the only flags we would need would be:
|
| 330 |
|
|
* 2 bits : ungot count
|
| 331 |
|
|
* 2 bits : eof + error
|
| 332 |
|
|
* 2 bits : readonly + writeonly
|
| 333 |
|
|
* 1 bit : freefile
|
| 334 |
|
|
* 1 bit : appending
|
| 335 |
|
|
* So, for a very small system (< 128 files) we might have a
|
| 336 |
|
|
* 4-byte FILE struct of:
|
| 337 |
|
|
* unsigned char flags;
|
| 338 |
|
|
* signed char filedes;
|
| 339 |
|
|
* unsigned char ungot[2];
|
| 340 |
|
|
*/
|
| 341 |
|
|
/**********************************************************************
|
| 342 |
|
|
* PROTOTYPES OF INTERNAL FUNCTIONS
|
| 343 |
|
|
**********************************************************************/
|
| 344 |
|
|
#if defined _LIBC && (defined IS_IN_libc || defined NOT_IN_libc)
|
| 345 |
|
|
|
| 346 |
|
|
extern void _stdio_init(void) attribute_hidden;
|
| 347 |
|
|
extern void _stdio_term(void) attribute_hidden;
|
| 348 |
|
|
|
| 349 |
|
|
#ifdef __STDIO_HAS_OPENLIST
|
| 350 |
|
|
|
| 351 |
|
|
extern struct __STDIO_FILE_STRUCT *_stdio_openlist;
|
| 352 |
|
|
|
| 353 |
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
| 354 |
|
|
__UCLIBC_MUTEX_EXTERN(_stdio_openlist_add_lock);
|
| 355 |
|
|
#ifdef __STDIO_BUFFERS
|
| 356 |
|
|
__UCLIBC_MUTEX_EXTERN(_stdio_openlist_del_lock);
|
| 357 |
|
|
extern volatile int _stdio_openlist_use_count; /* _stdio_openlist_del_lock */
|
| 358 |
|
|
extern int _stdio_openlist_del_count; /* _stdio_openlist_del_lock */
|
| 359 |
|
|
#endif
|
| 360 |
|
|
extern int _stdio_user_locking;
|
| 361 |
|
|
extern void __stdio_init_mutex(__UCLIBC_MUTEX_TYPE *m) attribute_hidden;
|
| 362 |
|
|
#endif
|
| 363 |
|
|
|
| 364 |
|
|
#endif
|
| 365 |
|
|
|
| 366 |
|
|
#endif
|
| 367 |
|
|
/**********************************************************************/
|
| 368 |
|
|
|
| 369 |
|
|
#define __CLEARERR_UNLOCKED(__stream) \
|
| 370 |
|
|
((void)((__stream)->__modeflags &= ~(__FLAG_EOF|__FLAG_ERROR)))
|
| 371 |
|
|
#define __FEOF_UNLOCKED(__stream) ((__stream)->__modeflags & __FLAG_EOF)
|
| 372 |
|
|
#define __FERROR_UNLOCKED(__stream) ((__stream)->__modeflags & __FLAG_ERROR)
|
| 373 |
|
|
|
| 374 |
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
| 375 |
|
|
# define __CLEARERR(__stream) (clearerr)(__stream)
|
| 376 |
|
|
# define __FERROR(__stream) (ferror)(__stream)
|
| 377 |
|
|
# define __FEOF(__stream) (feof)(__stream)
|
| 378 |
|
|
#else
|
| 379 |
|
|
# define __CLEARERR(__stream) __CLEARERR_UNLOCKED(__stream)
|
| 380 |
|
|
# define __FERROR(__stream) __FERROR_UNLOCKED(__stream)
|
| 381 |
|
|
# define __FEOF(__stream) __FEOF_UNLOCKED(__stream)
|
| 382 |
|
|
#endif
|
| 383 |
|
|
|
| 384 |
|
|
extern int __fgetc_unlocked(FILE *__stream);
|
| 385 |
|
|
extern int __fputc_unlocked(int __c, FILE *__stream);
|
| 386 |
|
|
|
| 387 |
|
|
/* First define the default definitions.
|
| 388 |
|
|
They are overridden below as necessary. */
|
| 389 |
|
|
#define __FGETC_UNLOCKED(__stream) (__fgetc_unlocked)((__stream))
|
| 390 |
|
|
#define __FGETC(__stream) (fgetc)((__stream))
|
| 391 |
|
|
#define __GETC_UNLOCKED_MACRO(__stream) (__fgetc_unlocked)((__stream))
|
| 392 |
|
|
#define __GETC_UNLOCKED(__stream) (__fgetc_unlocked)((__stream))
|
| 393 |
|
|
#define __GETC(__stream) (fgetc)((__stream))
|
| 394 |
|
|
|
| 395 |
|
|
#define __FPUTC_UNLOCKED(__c, __stream) (__fputc_unlocked)((__c),(__stream))
|
| 396 |
|
|
#define __FPUTC(__c, __stream) (fputc)((__c),(__stream))
|
| 397 |
|
|
#define __PUTC_UNLOCKED_MACRO(__c, __stream) (__fputc_unlocked)((__c),(__stream))
|
| 398 |
|
|
#define __PUTC_UNLOCKED(__c, __stream) (__fputc_unlocked)((__c),(__stream))
|
| 399 |
|
|
#define __PUTC(__c, __stream) (fputc)((__c),(__stream))
|
| 400 |
|
|
|
| 401 |
|
|
|
| 402 |
|
|
#ifdef __STDIO_GETC_MACRO
|
| 403 |
|
|
|
| 404 |
|
|
extern FILE *__stdin; /* For getchar() macro. */
|
| 405 |
|
|
|
| 406 |
|
|
# undef __GETC_UNLOCKED_MACRO
|
| 407 |
|
|
# define __GETC_UNLOCKED_MACRO(__stream) \
|
| 408 |
|
|
( ((__stream)->__bufpos < (__stream)->__bufgetc_u) \
|
| 409 |
|
|
? (*(__stream)->__bufpos++) \
|
| 410 |
|
|
: __fgetc_unlocked(__stream) )
|
| 411 |
|
|
|
| 412 |
|
|
# if 0
|
| 413 |
|
|
/* Classic macro approach. getc{_unlocked} can have side effects. */
|
| 414 |
|
|
# undef __GETC_UNLOCKED
|
| 415 |
|
|
# define __GETC_UNLOCKED(__stream) __GETC_UNLOCKED_MACRO((__stream))
|
| 416 |
|
|
# ifndef __UCLIBC_HAS_THREADS__
|
| 417 |
|
|
# undef __GETC
|
| 418 |
|
|
# define __GETC(__stream) __GETC_UNLOCKED_MACRO((__stream))
|
| 419 |
|
|
# endif
|
| 420 |
|
|
|
| 421 |
|
|
# else
|
| 422 |
|
|
/* Using gcc extension for safety and additional inlining. */
|
| 423 |
|
|
# undef __FGETC_UNLOCKED
|
| 424 |
|
|
# define __FGETC_UNLOCKED(__stream) \
|
| 425 |
|
|
(__extension__ ({ \
|
| 426 |
|
|
FILE *__S = (__stream); \
|
| 427 |
|
|
__GETC_UNLOCKED_MACRO(__S); \
|
| 428 |
|
|
}) )
|
| 429 |
|
|
|
| 430 |
|
|
# undef __GETC_UNLOCKED
|
| 431 |
|
|
# define __GETC_UNLOCKED(__stream) __FGETC_UNLOCKED((__stream))
|
| 432 |
|
|
|
| 433 |
|
|
# ifdef __UCLIBC_HAS_THREADS__
|
| 434 |
|
|
# undef __FGETC
|
| 435 |
|
|
# define __FGETC(__stream) \
|
| 436 |
|
|
(__extension__ ({ \
|
| 437 |
|
|
FILE *__S = (__stream); \
|
| 438 |
|
|
((__S->__user_locking ) \
|
| 439 |
|
|
? __GETC_UNLOCKED_MACRO(__S) \
|
| 440 |
|
|
: (fgetc)(__S)); \
|
| 441 |
|
|
}) )
|
| 442 |
|
|
|
| 443 |
|
|
# undef __GETC
|
| 444 |
|
|
# define __GETC(__stream) __FGETC((__stream))
|
| 445 |
|
|
|
| 446 |
|
|
# else
|
| 447 |
|
|
|
| 448 |
|
|
# undef __FGETC
|
| 449 |
|
|
# define __FGETC(__stream) __FGETC_UNLOCKED((__stream))
|
| 450 |
|
|
# undef __GETC
|
| 451 |
|
|
# define __GETC(__stream) __FGETC_UNLOCKED((__stream))
|
| 452 |
|
|
|
| 453 |
|
|
# endif
|
| 454 |
|
|
# endif
|
| 455 |
|
|
|
| 456 |
|
|
#else
|
| 457 |
|
|
|
| 458 |
|
|
#endif /* __STDIO_GETC_MACRO */
|
| 459 |
|
|
|
| 460 |
|
|
|
| 461 |
|
|
#ifdef __STDIO_PUTC_MACRO
|
| 462 |
|
|
|
| 463 |
|
|
extern FILE *__stdout; /* For putchar() macro. */
|
| 464 |
|
|
|
| 465 |
|
|
# undef __PUTC_UNLOCKED_MACRO
|
| 466 |
|
|
# define __PUTC_UNLOCKED_MACRO(__c, __stream) \
|
| 467 |
|
|
( ((__stream)->__bufpos < (__stream)->__bufputc_u) \
|
| 468 |
|
|
? (*(__stream)->__bufpos++) = (__c) \
|
| 469 |
|
|
: __fputc_unlocked((__c),(__stream)) )
|
| 470 |
|
|
|
| 471 |
|
|
# if 0
|
| 472 |
|
|
/* Classic macro approach. putc{_unlocked} can have side effects.*/
|
| 473 |
|
|
# undef __PUTC_UNLOCKED
|
| 474 |
|
|
# define __PUTC_UNLOCKED(__c, __stream) \
|
| 475 |
|
|
__PUTC_UNLOCKED_MACRO((__c), (__stream))
|
| 476 |
|
|
# ifndef __UCLIBC_HAS_THREADS__
|
| 477 |
|
|
# undef __PUTC
|
| 478 |
|
|
# define __PUTC(__c, __stream) __PUTC_UNLOCKED_MACRO((__c), (__stream))
|
| 479 |
|
|
# endif
|
| 480 |
|
|
|
| 481 |
|
|
# else
|
| 482 |
|
|
/* Using gcc extension for safety and additional inlining. */
|
| 483 |
|
|
|
| 484 |
|
|
# undef __FPUTC_UNLOCKED
|
| 485 |
|
|
# define __FPUTC_UNLOCKED(__c, __stream) \
|
| 486 |
|
|
(__extension__ ({ \
|
| 487 |
|
|
FILE *__S = (__stream); \
|
| 488 |
|
|
__PUTC_UNLOCKED_MACRO((__c),__S); \
|
| 489 |
|
|
}) )
|
| 490 |
|
|
|
| 491 |
|
|
# undef __PUTC_UNLOCKED
|
| 492 |
|
|
# define __PUTC_UNLOCKED(__c, __stream) __FPUTC_UNLOCKED((__c), (__stream))
|
| 493 |
|
|
|
| 494 |
|
|
# ifdef __UCLIBC_HAS_THREADS__
|
| 495 |
|
|
# undef __FPUTC
|
| 496 |
|
|
# define __FPUTC(__c, __stream) \
|
| 497 |
|
|
(__extension__ ({ \
|
| 498 |
|
|
FILE *__S = (__stream); \
|
| 499 |
|
|
((__S->__user_locking) \
|
| 500 |
|
|
? __PUTC_UNLOCKED_MACRO((__c),__S) \
|
| 501 |
|
|
: (fputc)((__c),__S)); \
|
| 502 |
|
|
}) )
|
| 503 |
|
|
|
| 504 |
|
|
# undef __PUTC
|
| 505 |
|
|
# define __PUTC(__c, __stream) __FPUTC((__c), (__stream))
|
| 506 |
|
|
|
| 507 |
|
|
# else
|
| 508 |
|
|
|
| 509 |
|
|
# undef __FPUTC
|
| 510 |
|
|
# define __FPUTC(__c, __stream) __FPUTC_UNLOCKED((__c),(__stream))
|
| 511 |
|
|
# undef __PUTC
|
| 512 |
|
|
# define __PUTC(__c, __stream) __FPUTC_UNLOCKED((__c),(__stream))
|
| 513 |
|
|
|
| 514 |
|
|
# endif
|
| 515 |
|
|
# endif
|
| 516 |
|
|
|
| 517 |
|
|
#endif /* __STDIO_PUTC_MACRO */
|
