source: rtems-libbsd/freebsd/lib/libc/stdio/local.h @ 453ff00

Last change on this file since 453ff00 was 453ff00, checked in by Sebastian Huber <sebastian.huber@…>, on 05/18/22 at 07:37:10

libc: Avoid conflict with Newlib sinit()

  • Property mode set to 100644
File size: 6.1 KB
Line 
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993
5 *      The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Chris Torek.
9 *
10 * Copyright (c) 2011 The FreeBSD Foundation
11 * All rights reserved.
12 * Portions of this software were developed by David Chisnall
13 * under sponsorship from the FreeBSD Foundation.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 *    notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 *    notice, this list of conditions and the following disclaimer in the
22 *    documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *      @(#)local.h     8.3 (Berkeley) 7/3/94
40 * $FreeBSD$
41 */
42
43#ifndef _STDIO_LOCAL_H
44#define _STDIO_LOCAL_H
45
46#include <sys/types.h>  /* for off_t */
47#include <pthread.h>
48#include <string.h>
49#include <wchar.h>
50#include <locale.h>
51
52/*
53 * Information local to this implementation of stdio,
54 * in particular, macros and private variables.
55 */
56
57extern int      _sread(FILE *, char *, int);
58extern int      _swrite(FILE *, char const *, int);
59extern fpos_t   _sseek(FILE *, fpos_t, int);
60extern int      _ftello(FILE *, fpos_t *);
61extern int      _fseeko(FILE *, off_t, int, int);
62extern int      __fflush(FILE *fp);
63extern void     __fcloseall(void);
64extern wint_t   __fgetwc_mbs(FILE *, mbstate_t *, int *, locale_t);
65#ifndef __rtems__
66extern wint_t   __fputwc(wchar_t, FILE *, locale_t);
67#endif /* __rtems__ */
68extern int      __sflush(FILE *);
69extern FILE     *__sfp(void);
70extern int      __slbexpand(FILE *, size_t);
71#ifndef __rtems__
72extern int      __srefill(FILE *);
73#else /* __rtems__ */
74/*
75 * __srefill is used by fgetln().  The method is in newlib but the
76 * prototype is in a private .h which is not installed.
77 * allows it to be pulled from newlib.
78 */
79extern int __srefill_r(struct _reent *,FILE *);
80
81#define __srefill(_x) __srefill_r(__getreent(), _x)
82#endif /* __rtems__ */
83extern int      __sread(void *, char *, int);
84extern int      __swrite(void *, char const *, int);
85extern fpos_t   __sseek(void *, fpos_t, int);
86extern int      __sclose(void *);
87#ifndef __rtems__
88extern void     __sinit(void);
89#endif /* __rtems__ */
90extern void     _cleanup(void);
91extern void     __smakebuf(FILE *);
92extern int      __swhatbuf(FILE *, size_t *, int *);
93extern int      _fwalk(int (*)(FILE *));
94#ifndef __rtems__
95extern int      __svfscanf(FILE *, locale_t, const char *, __va_list);
96#endif /* __rtems__ */
97extern int      __swsetup(FILE *);
98extern int      __sflags(const char *, int *);
99extern int      __ungetc(int, FILE *);
100#ifndef __rtems__
101extern wint_t   __ungetwc(wint_t, FILE *, locale_t);
102extern int      __vfprintf(FILE *, locale_t, const char *, __va_list);
103#endif /* __rtems__ */
104extern int      __vfscanf(FILE *, const char *, __va_list);
105#ifndef __rtems__
106extern int      __vfwprintf(FILE *, locale_t, const wchar_t *, __va_list);
107extern int      __vfwscanf(FILE * __restrict, locale_t, const wchar_t * __restrict,
108                    __va_list);
109#endif /* __rtems__ */
110extern size_t   __fread(void * __restrict buf, size_t size, size_t count,
111                FILE * __restrict fp);
112extern int      __sdidinit;
113
114static inline wint_t
115__fgetwc(FILE *fp, locale_t locale)
116{
117        int nread;
118
119        return (__fgetwc_mbs(fp, &fp->_mbstate, &nread, locale));
120}
121
122/*
123 * Prepare the given FILE for writing, and return 0 iff it
124 * can be written now.  Otherwise, return EOF and set errno.
125 */
126#define prepwrite(fp) \
127        ((((fp)->_flags & __SWR) == 0 || \
128            ((fp)->_bf._base == NULL && ((fp)->_flags & __SSTR) == 0)) && \
129         __swsetup(fp))
130
131/*
132 * Test whether the given stdio file has an active ungetc buffer;
133 * release such a buffer, without restoring ordinary unread data.
134 */
135#define HASUB(fp) ((fp)->_ub._base != NULL)
136#define FREEUB(fp) { \
137        if ((fp)->_ub._base != (fp)->_ubuf) \
138                free((char *)(fp)->_ub._base); \
139        (fp)->_ub._base = NULL; \
140}
141
142/*
143 * test for an fgetln() buffer.
144 */
145#define HASLB(fp) ((fp)->_lb._base != NULL)
146#define FREELB(fp) { \
147        free((char *)(fp)->_lb._base); \
148        (fp)->_lb._base = NULL; \
149}
150
151/*
152 * Structure initializations for 'fake' FILE objects.
153 */
154#define FAKE_FILE {                             \
155        ._file = -1,                            \
156        ._fl_mutex = PTHREAD_MUTEX_INITIALIZER, \
157}
158
159/*
160 * Set the orientation for a stream. If o > 0, the stream has wide-
161 * orientation. If o < 0, the stream has byte-orientation.
162 */
163#ifdef __rtems__
164#define ORIENT(fp, o)
165#else /* __rtems__ */
166#define ORIENT(fp, o)   do {                            \
167        if ((fp)->_orientation == 0)                    \
168                (fp)->_orientation = (o);               \
169} while (0)
170
171void __stdio_cancel_cleanup(void *);
172#define FLOCKFILE_CANCELSAFE(fp)                                        \
173        {                                                               \
174                struct _pthread_cleanup_info __cleanup_info__;          \
175                if (__isthreaded) {                                     \
176                        _FLOCKFILE(fp);                                 \
177                        ___pthread_cleanup_push_imp(                    \
178                            __stdio_cancel_cleanup, (fp),               \
179                            &__cleanup_info__);                         \
180                } else {                                                \
181                        ___pthread_cleanup_push_imp(                    \
182                            __stdio_cancel_cleanup, NULL,               \
183                            &__cleanup_info__);                         \
184                }                                                       \
185                {
186#define FUNLOCKFILE_CANCELSAFE()                                        \
187                        (void)0;                                        \
188                }                                                       \
189                ___pthread_cleanup_pop_imp(1);                          \
190        }
191
192#endif /* __rtems__ */
193#endif /* _STDIO_LOCAL_H */
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