diff options
Diffstat (limited to '9/platforms/android-21/arch-x86/usr/include/stdio.h')
| -rw-r--r-- | 9/platforms/android-21/arch-x86/usr/include/stdio.h | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-x86/usr/include/stdio.h b/9/platforms/android-21/arch-x86/usr/include/stdio.h new file mode 100644 index 0000000..9edf9d2 --- /dev/null +++ b/9/platforms/android-21/arch-x86/usr/include/stdio.h @@ -0,0 +1,465 @@ +/* $OpenBSD: stdio.h,v 1.35 2006/01/13 18:10:09 miod Exp $ */ +/* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)stdio.h 5.17 (Berkeley) 6/3/91 + */ + +#ifndef _STDIO_H_ +#define _STDIO_H_ + +/* + * This file must contain a reference to __gnuc_va_list so that GCC's + * fixincludes knows that that's what's being used for va_list, and so + * to leave our <stdio.h> alone. (fixincludes gets in the way of pointing + * one toolchain at various different sets of platform headers.) + * If you alter this comment, be sure to keep "__gnuc_va_list" in it! + */ + +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <stdarg.h> +#include <stddef.h> + +#define __need_NULL +#include <stddef.h> + +#define _FSTDIO /* Define for new stdio with functions. */ + +typedef off_t fpos_t; /* stdio file position type */ + +/* + * NB: to fit things in six character monocase externals, the stdio + * code uses the prefix `__s' for stdio objects, typically followed + * by a three-character attempt at a mnemonic. + */ + +/* stdio buffers */ +#if defined(__LP64__) +struct __sbuf { + unsigned char* _base; + size_t _size; +}; +#else +struct __sbuf { + unsigned char *_base; + int _size; +}; +#endif + +/* + * stdio state variables. + * + * The following always hold: + * + * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), + * _lbfsize is -_bf._size, else _lbfsize is 0 + * if _flags&__SRD, _w is 0 + * if _flags&__SWR, _r is 0 + * + * This ensures that the getc and putc macros (or inline functions) never + * try to write or read from a file that is in `read' or `write' mode. + * (Moreover, they can, and do, automatically switch from read mode to + * write mode, and back, on "r+" and "w+" files.) + * + * _lbfsize is used only to make the inline line-buffered output stream + * code as compact as possible. + * + * _ub, _up, and _ur are used when ungetc() pushes back more characters + * than fit in the current _bf, or when ungetc() pushes back a character + * that does not match the previous one in _bf. When this happens, + * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff + * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. + * + * NOTE: if you change this structure, you also need to update the + * std() initializer in findfp.c. + */ +typedef struct __sFILE { + unsigned char *_p; /* current position in (some) buffer */ + int _r; /* read space left for getc() */ + int _w; /* write space left for putc() */ +#if defined(__LP64__) + int _flags; /* flags, below; this FILE is free if 0 */ + int _file; /* fileno, if Unix descriptor, else -1 */ +#else + short _flags; /* flags, below; this FILE is free if 0 */ + short _file; /* fileno, if Unix descriptor, else -1 */ +#endif + struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ + int _lbfsize; /* 0 or -_bf._size, for inline putc */ + + /* operations */ + void *_cookie; /* cookie passed to io functions */ + int (*_close)(void *); + int (*_read)(void *, char *, int); + fpos_t (*_seek)(void *, fpos_t, int); + int (*_write)(void *, const char *, int); + + /* extension data, to avoid further ABI breakage */ + struct __sbuf _ext; + /* data for long sequences of ungetc() */ + unsigned char *_up; /* saved _p when _p is doing ungetc data */ + int _ur; /* saved _r when _r is counting ungetc data */ + + /* tricks to meet minimum requirements even when malloc() fails */ + unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ + unsigned char _nbuf[1]; /* guarantee a getc() buffer */ + + /* separate buffer for fgetln() when line crosses buffer boundary */ + struct __sbuf _lb; /* buffer for fgetln() */ + + /* Unix stdio files get aligned to block boundaries on fseek() */ + int _blksize; /* stat.st_blksize (may be != _bf._size) */ + fpos_t _offset; /* current lseek offset */ +} FILE; + +__BEGIN_DECLS +extern FILE __sF[]; +__END_DECLS + +#define __SLBF 0x0001 /* line buffered */ +#define __SNBF 0x0002 /* unbuffered */ +#define __SRD 0x0004 /* OK to read */ +#define __SWR 0x0008 /* OK to write */ + /* RD and WR are never simultaneously asserted */ +#define __SRW 0x0010 /* open for reading & writing */ +#define __SEOF 0x0020 /* found EOF */ +#define __SERR 0x0040 /* found error */ +#define __SMBF 0x0080 /* _buf is from malloc */ +#define __SAPP 0x0100 /* fdopen()ed in append mode */ +#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ +#define __SOPT 0x0400 /* do fseek() optimization */ +#define __SNPT 0x0800 /* do not do fseek() optimization */ +#define __SOFF 0x1000 /* set iff _offset is in fact correct */ +#define __SMOD 0x2000 /* true => fgetln modified _p text */ +#define __SALC 0x4000 /* allocate string space dynamically */ +#define __SIGN 0x8000 /* ignore this file in _fwalk */ + +/* + * The following three definitions are for ANSI C, which took them + * from System V, which brilliantly took internal interface macros and + * made them official arguments to setvbuf(), without renaming them. + * Hence, these ugly _IOxxx names are *supposed* to appear in user code. + * + * Although numbered as their counterparts above, the implementation + * does not rely on this. + */ +#define _IOFBF 0 /* setvbuf should set fully buffered */ +#define _IOLBF 1 /* setvbuf should set line buffered */ +#define _IONBF 2 /* setvbuf should set unbuffered */ + +#define BUFSIZ 1024 /* size of buffer used by setbuf */ +#define EOF (-1) + +/* + * FOPEN_MAX is a minimum maximum, and is the number of streams that + * stdio can provide without attempting to allocate further resources + * (which could fail). Do not use this for anything. + */ + +#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ +#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ + +/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ +#if __BSD_VISIBLE || __XPG_VISIBLE +#define P_tmpdir "/tmp/" +#endif +#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ +#define TMP_MAX 308915776 + +/* Always ensure that these are consistent with <fcntl.h> and <unistd.h>! */ +#ifndef SEEK_SET +#define SEEK_SET 0 /* set file offset to offset */ +#endif +#ifndef SEEK_CUR +#define SEEK_CUR 1 /* set file offset to current plus offset */ +#endif +#ifndef SEEK_END +#define SEEK_END 2 /* set file offset to EOF plus offset */ +#endif + +#define stdin (&__sF[0]) +#define stdout (&__sF[1]) +#define stderr (&__sF[2]) + +/* + * Functions defined in ANSI C standard. + */ +__BEGIN_DECLS +void clearerr(FILE *); +int fclose(FILE *); +int feof(FILE *); +int ferror(FILE *); +int fflush(FILE *); +int fgetc(FILE *); +char *fgets(char * __restrict, int, FILE * __restrict); +FILE *fopen(const char * __restrict , const char * __restrict); +int fprintf(FILE * __restrict , const char * __restrict, ...) + __printflike(2, 3); +int fputc(int, FILE *); +int fputs(const char * __restrict, FILE * __restrict); +size_t fread(void * __restrict, size_t, size_t, FILE * __restrict); +FILE *freopen(const char * __restrict, const char * __restrict, + FILE * __restrict); +int fscanf(FILE * __restrict, const char * __restrict, ...) + __scanflike(2, 3); +int fseek(FILE *, long, int); +long ftell(FILE *); +size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict); +int getc(FILE *); +int getchar(void); +ssize_t getdelim(char ** __restrict, size_t * __restrict, int, + FILE * __restrict); +ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict); + +void perror(const char *); +int printf(const char * __restrict, ...) + __printflike(1, 2); +int putc(int, FILE *); +int putchar(int); +int puts(const char *); +int remove(const char *); +void rewind(FILE *); +int scanf(const char * __restrict, ...) + __scanflike(1, 2); +void setbuf(FILE * __restrict, char * __restrict); +int setvbuf(FILE * __restrict, char * __restrict, int, size_t); +int sscanf(const char * __restrict, const char * __restrict, ...) + __scanflike(2, 3); +FILE *tmpfile(void); +int ungetc(int, FILE *); +int vfprintf(FILE * __restrict, const char * __restrict, __va_list) + __printflike(2, 0); +int vprintf(const char * __restrict, __va_list) + __printflike(1, 0); + +int dprintf(int, const char * __restrict, ...) __printflike(2, 3); +int vdprintf(int, const char * __restrict, __va_list) __printflike(2, 0); + +#ifndef __AUDIT__ +#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 201112L +char* gets(char*) __warnattr("gets is very unsafe; consider using fgets"); +#endif +int sprintf(char* __restrict, const char* __restrict, ...) + __printflike(2, 3); //__warnattr("sprintf is often misused; please use snprintf"); +char* tmpnam(char*) __warnattr("tmpnam possibly used unsafely; consider using mkstemp"); +int vsprintf(char* __restrict, const char* __restrict, __va_list) + __printflike(2, 0); //__warnattr("vsprintf is often misused; please use vsnprintf"); +#if __XPG_VISIBLE +char* tempnam(const char*, const char*) + __warnattr("tempnam possibly used unsafely; consider using mkstemp"); +#endif +#endif + +extern int rename(const char*, const char*); +extern int renameat(int, const char*, int, const char*); + +int fgetpos(FILE * __restrict, fpos_t * __restrict); +int fsetpos(FILE *, const fpos_t *); + +int fseeko(FILE *, off_t, int); +off_t ftello(FILE *); + +#if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE +int snprintf(char * __restrict, size_t, const char * __restrict, ...) + __printflike(3, 4); +int vfscanf(FILE * __restrict, const char * __restrict, __va_list) + __scanflike(2, 0); +int vscanf(const char *, __va_list) + __scanflike(1, 0); +int vsnprintf(char * __restrict, size_t, const char * __restrict, __va_list) + __printflike(3, 0); +int vsscanf(const char * __restrict, const char * __restrict, __va_list) + __scanflike(2, 0); +#endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ + +__END_DECLS + + +/* + * Functions defined in POSIX 1003.1. + */ +#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE +#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ + +__BEGIN_DECLS +FILE *fdopen(int, const char *); +int fileno(FILE *); + +#if (__POSIX_VISIBLE >= 199209) +int pclose(FILE *); +FILE *popen(const char *, const char *); +#endif + +#if __POSIX_VISIBLE >= 199506 +void flockfile(FILE *); +int ftrylockfile(FILE *); +void funlockfile(FILE *); + +/* + * These are normally used through macros as defined below, but POSIX + * requires functions as well. + */ +int getc_unlocked(FILE *); +int getchar_unlocked(void); +int putc_unlocked(int, FILE *); +int putchar_unlocked(int); +#endif /* __POSIX_VISIBLE >= 199506 */ + +__END_DECLS + +#endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ + +/* + * Routines that are purely local. + */ +#if __BSD_VISIBLE +__BEGIN_DECLS +int asprintf(char ** __restrict, const char * __restrict, ...) + __printflike(2, 3); +char *fgetln(FILE * __restrict, size_t * __restrict); +int fpurge(FILE *); +void setbuffer(FILE *, char *, int); +int setlinebuf(FILE *); +int vasprintf(char ** __restrict, const char * __restrict, + __va_list) + __printflike(2, 0); +__END_DECLS + +/* + * Stdio function-access interface. + */ +__BEGIN_DECLS +FILE *funopen(const void *, + int (*)(void *, char *, int), + int (*)(void *, const char *, int), + fpos_t (*)(void *, fpos_t, int), + int (*)(void *)); +__END_DECLS +#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) +#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) +#endif /* __BSD_VISIBLE */ + +#if defined(__BIONIC_FORTIFY) + +__BEGIN_DECLS + +__BIONIC_FORTIFY_INLINE +__printflike(3, 0) +int vsnprintf(char *dest, size_t size, const char *format, __va_list ap) +{ + return __builtin___vsnprintf_chk(dest, size, 0, __bos(dest), format, ap); +} + +__BIONIC_FORTIFY_INLINE +__printflike(2, 0) +int vsprintf(char *dest, const char *format, __va_list ap) +{ + return __builtin___vsprintf_chk(dest, 0, __bos(dest), format, ap); +} + +#if defined(__clang__) + #if !defined(snprintf) + #define __wrap_snprintf(dest, size, ...) __builtin___snprintf_chk(dest, size, 0, __bos(dest), __VA_ARGS__) + #define snprintf(...) __wrap_snprintf(__VA_ARGS__) + #endif +#else +__BIONIC_FORTIFY_INLINE +__printflike(3, 4) +int snprintf(char *dest, size_t size, const char *format, ...) +{ + return __builtin___snprintf_chk(dest, size, 0, + __bos(dest), format, __builtin_va_arg_pack()); +} +#endif + +#if defined(__clang__) + #if !defined(sprintf) + #define __wrap_sprintf(dest, ...) __builtin___sprintf_chk(dest, 0, __bos(dest), __VA_ARGS__) + #define sprintf(...) __wrap_sprintf(__VA_ARGS__) + #endif +#else +__BIONIC_FORTIFY_INLINE +__printflike(2, 3) +int sprintf(char *dest, const char *format, ...) +{ + return __builtin___sprintf_chk(dest, 0, + __bos(dest), format, __builtin_va_arg_pack()); +} +#endif + +extern char* __fgets_chk(char*, int, FILE*, size_t); +extern char* __fgets_real(char*, int, FILE*) __asm__(__USER_LABEL_PREFIX__ "fgets"); +__errordecl(__fgets_too_big_error, "fgets called with size bigger than buffer"); +__errordecl(__fgets_too_small_error, "fgets called with size less than zero"); + +#if !defined(__clang__) + +__BIONIC_FORTIFY_INLINE +char *fgets(char* dest, int size, FILE* stream) { + size_t bos = __bos(dest); + + // Compiler can prove, at compile time, that the passed in size + // is always negative. Force a compiler error. + if (__builtin_constant_p(size) && (size < 0)) { + __fgets_too_small_error(); + } + + // Compiler doesn't know destination size. Don't call __fgets_chk + if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) { + return __fgets_real(dest, size, stream); + } + + // Compiler can prove, at compile time, that the passed in size + // is always <= the actual object size. Don't call __fgets_chk + if (__builtin_constant_p(size) && (size <= (int) bos)) { + return __fgets_real(dest, size, stream); + } + + // Compiler can prove, at compile time, that the passed in size + // is always > the actual object size. Force a compiler error. + if (__builtin_constant_p(size) && (size > (int) bos)) { + __fgets_too_big_error(); + } + + return __fgets_chk(dest, size, stream, bos); +} + +#endif /* !defined(__clang__) */ + +__END_DECLS + +#endif /* defined(__BIONIC_FORTIFY) */ + +#endif /* _STDIO_H_ */ |