[060d28d] | 1 | /*- |
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| 2 | * Copyright (c) 1990, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * This code is derived from software contributed to Berkeley by |
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| 6 | * Chris Torek. |
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| 7 | * |
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[66659ff] | 8 | * Copyright (c) 2011 The FreeBSD Foundation |
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| 9 | * All rights reserved. |
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| 10 | * Portions of this software were developed by David Chisnall |
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| 11 | * under sponsorship from the FreeBSD Foundation. |
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| 12 | * |
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[060d28d] | 13 | * Redistribution and use in source and binary forms, with or without |
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| 14 | * modification, are permitted provided that the following conditions |
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| 15 | * are met: |
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| 16 | * 1. Redistributions of source code must retain the above copyright |
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| 17 | * notice, this list of conditions and the following disclaimer. |
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| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 19 | * notice, this list of conditions and the following disclaimer in the |
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| 20 | * documentation and/or other materials provided with the distribution. |
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| 21 | * 4. Neither the name of the University nor the names of its contributors |
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| 22 | * may be used to endorse or promote products derived from this software |
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| 23 | * without specific prior written permission. |
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| 24 | * |
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| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 35 | * SUCH DAMAGE. |
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| 36 | * |
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| 37 | * @(#)local.h 8.3 (Berkeley) 7/3/94 |
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| 38 | * $FreeBSD$ |
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| 39 | */ |
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| 40 | |
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[3d1e767] | 41 | #include <sys/types.h> /* for off_t */ |
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[060d28d] | 42 | #include <pthread.h> |
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| 43 | #include <string.h> |
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| 44 | #include <wchar.h> |
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[66659ff] | 45 | #include <locale.h> |
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[060d28d] | 46 | |
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| 47 | /* |
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| 48 | * Information local to this implementation of stdio, |
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| 49 | * in particular, macros and private variables. |
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| 50 | */ |
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| 51 | |
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| 52 | extern int _sread(FILE *, char *, int); |
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| 53 | extern int _swrite(FILE *, char const *, int); |
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| 54 | extern fpos_t _sseek(FILE *, fpos_t, int); |
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| 55 | extern int _ftello(FILE *, fpos_t *); |
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| 56 | extern int _fseeko(FILE *, off_t, int, int); |
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| 57 | extern int __fflush(FILE *fp); |
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| 58 | extern void __fcloseall(void); |
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[66659ff] | 59 | #ifndef __rtems__ |
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| 60 | extern wint_t __fgetwc(FILE *, locale_t); |
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| 61 | extern wint_t __fputwc(wchar_t, FILE *, locale_t); |
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| 62 | #endif /* __rtems__ */ |
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[060d28d] | 63 | extern int __sflush(FILE *); |
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| 64 | extern FILE *__sfp(void); |
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| 65 | extern int __slbexpand(FILE *, size_t); |
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| 66 | #ifndef __rtems__ |
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| 67 | extern int __srefill(FILE *); |
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| 68 | #else |
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| 69 | /* |
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| 70 | * __srefill is used by fgetln(). The method is in newlib but the |
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| 71 | * prototype is in a private .h which is not installed. |
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| 72 | * allows it to be pulled from newlib. |
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| 73 | */ |
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| 74 | extern int __srefill_r(struct _reent *,FILE *); |
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| 75 | |
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| 76 | #define __srefill(_x) __srefill_r(__getreent(), _x) |
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| 77 | #endif |
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| 78 | extern int __sread(void *, char *, int); |
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| 79 | extern int __swrite(void *, char const *, int); |
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| 80 | extern fpos_t __sseek(void *, fpos_t, int); |
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| 81 | extern int __sclose(void *); |
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| 82 | extern void __sinit(void); |
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| 83 | extern void _cleanup(void); |
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| 84 | extern void __smakebuf(FILE *); |
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| 85 | extern int __swhatbuf(FILE *, size_t *, int *); |
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| 86 | extern int _fwalk(int (*)(FILE *)); |
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[66659ff] | 87 | #ifndef __rtems__ |
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| 88 | extern int __svfscanf(FILE *, locale_t, const char *, __va_list); |
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| 89 | #endif /* __rtems__ */ |
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[060d28d] | 90 | extern int __swsetup(FILE *); |
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| 91 | extern int __sflags(const char *, int *); |
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| 92 | extern int __ungetc(int, FILE *); |
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[66659ff] | 93 | #ifndef __rtems__ |
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| 94 | extern wint_t __ungetwc(wint_t, FILE *, locale_t); |
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| 95 | extern int __vfprintf(FILE *, locale_t, const char *, __va_list); |
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| 96 | #endif /* __rtems__ */ |
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[060d28d] | 97 | extern int __vfscanf(FILE *, const char *, __va_list); |
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[66659ff] | 98 | #ifndef __rtems__ |
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| 99 | extern int __vfwprintf(FILE *, locale_t, const wchar_t *, __va_list); |
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| 100 | extern int __vfwscanf(FILE * __restrict, locale_t, const wchar_t * __restrict, |
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[060d28d] | 101 | __va_list); |
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[66659ff] | 102 | #endif /* __rtems__ */ |
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[060d28d] | 103 | extern size_t __fread(void * __restrict buf, size_t size, size_t count, |
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| 104 | FILE * __restrict fp); |
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| 105 | extern int __sdidinit; |
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| 106 | |
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| 107 | |
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| 108 | /* |
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| 109 | * Prepare the given FILE for writing, and return 0 iff it |
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| 110 | * can be written now. Otherwise, return EOF and set errno. |
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| 111 | */ |
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| 112 | #define prepwrite(fp) \ |
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| 113 | ((((fp)->_flags & __SWR) == 0 || \ |
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| 114 | ((fp)->_bf._base == NULL && ((fp)->_flags & __SSTR) == 0)) && \ |
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| 115 | __swsetup(fp)) |
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| 116 | |
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| 117 | /* |
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| 118 | * Test whether the given stdio file has an active ungetc buffer; |
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| 119 | * release such a buffer, without restoring ordinary unread data. |
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| 120 | */ |
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| 121 | #define HASUB(fp) ((fp)->_ub._base != NULL) |
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| 122 | #define FREEUB(fp) { \ |
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| 123 | if ((fp)->_ub._base != (fp)->_ubuf) \ |
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| 124 | free((char *)(fp)->_ub._base); \ |
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| 125 | (fp)->_ub._base = NULL; \ |
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| 126 | } |
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| 127 | |
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| 128 | /* |
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| 129 | * test for an fgetln() buffer. |
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| 130 | */ |
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| 131 | #define HASLB(fp) ((fp)->_lb._base != NULL) |
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| 132 | #define FREELB(fp) { \ |
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| 133 | free((char *)(fp)->_lb._base); \ |
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| 134 | (fp)->_lb._base = NULL; \ |
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| 135 | } |
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| 136 | |
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| 137 | /* |
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| 138 | * Structure initializations for 'fake' FILE objects. |
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| 139 | */ |
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| 140 | #define FAKE_FILE { \ |
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| 141 | ._file = -1, \ |
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| 142 | ._fl_mutex = PTHREAD_MUTEX_INITIALIZER, \ |
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| 143 | } |
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| 144 | |
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| 145 | /* |
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| 146 | * Set the orientation for a stream. If o > 0, the stream has wide- |
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| 147 | * orientation. If o < 0, the stream has byte-orientation. |
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| 148 | */ |
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| 149 | #ifdef __rtems__ |
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| 150 | #define ORIENT(fp, o) |
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| 151 | #else |
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| 152 | #define ORIENT(fp, o) do { \ |
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| 153 | if ((fp)->_orientation == 0) \ |
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| 154 | (fp)->_orientation = (o); \ |
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| 155 | } while (0) |
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| 156 | #endif |
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