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#ifndef CYGONCE_LIBC_STDIO_STDIO_H #define CYGONCE_LIBC_STDIO_STDIO_H //======================================================================== // // stdio.h // // ISO C standard I/O routines - with some POSIX 1003.1 extensions // //======================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //======================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: // Date: 2000-04-19 // Purpose: ISO C standard I/O routines // Description: // Usage: Do not include this file directly - use #include <stdio.h> // //####DESCRIPTIONEND#### // //======================================================================== // CONFIGURATION #include <pkgconf/libc_stdio.h> // Configuration header // INCLUDES #include <cyg/infra/cyg_type.h> // common type definitions and support #include <stdarg.h> // va_list from compiler // CONSTANTS // Some of these values are odd to ensure that asserts have better effect // should spurious values be passed to functions expecting these constants. // _IOFBF, _IOLBF, and _IONBF specify full, line or no buffering when used // with setvbuf() - ISO C standard chap 7.9.1 #define _IOFBF (-2) #define _IOLBF (-4) #define _IONBF (-8) // EOF is a macro defined to any negative integer constant - ISO C standard // chap. 7.9.1 #define EOF (-1) // SEEK_CUR, SEEK_END and SEEK_SET are used with fseek() as position // anchors - ISO C standard chap. 7.9.1 #define SEEK_SET 0 #define SEEK_CUR 1 #define SEEK_END 2 // TYPE DEFINITIONS // A type capable of specifying uniquely every file position - ISO C // standard chap 7.9.1 typedef cyg_ucount32 fpos_t; // FILE is just cast to an address here. It is uncast internally to the // C library in stream.hxx as the C++ Cyg_StdioStream class. // Optional run-time checking can be enabled to ensure that the cast is // valid, using the standard assertion functionality. // // The array size is irrelevant other than being more than 8, and is present // to stop references to FILEs being marked as able to be put in the small // data section. We can't just mark it as in the ".data" section as on some // targets it may actually be ".common". typedef CYG_ADDRESS FILE[9999]; // EXTERNAL VARIABLES // Default file streams for input/output. These only need to be // expressions, not l-values - ISO C standard chap. 7.9.1 // // CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS is used when initializing // stdin/out/err privately inside the C library #ifndef CYGPRI_LIBC_STDIO_NO_DEFAULT_STREAMS __externC FILE *stdin, *stdout, *stderr; #endif // FUNCTION PROTOTYPES //======================================================================== // ISO C 7.9.5 File access functions externC int fclose( FILE * /* stream */ ); externC int fflush( FILE * /* stream */ ); externC FILE * fopen( const char * /* filename */, const char * /* mode */ ); externC FILE * freopen( const char * /* filename */, const char * /* mode */, FILE * /* stream */ ); externC void setbuf( FILE * /* stream */, char * /* buffer */ ); externC int setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */, size_t /* size */ ); //======================================================================== // ISO C 7.9.6 Formatted input/output functions externC int fprintf( FILE * /* stream */, const char * /* format */, ... ); externC int fscanf( FILE * /* stream */, const char * /* format */, ... ); externC int printf( const char * /* format */, ... ); externC int scanf( const char * /* format */, ... ); externC int sprintf( char * /* str */, const char * /* format */, ... ); externC int sscanf( const char * /* str */, const char * /* format */, ... ); externC int vfprintf( FILE * /* stream */, const char * /* format */, va_list /* args */ ); externC int vprintf( const char * /* format */, va_list /* args */ ); externC int vsprintf( char * /* str */, const char * /* format */, va_list /* args */ ); //======================================================================== // ISO C 7.9.7 Character input/output functions externC int fgetc( FILE * /* stream */ ); externC char * fgets( char * /* str */, int /* length */, FILE * /* stream */ ); externC int fputc( int /* c */, FILE * /* stream */ ); externC int putc( int /* c */, FILE * /* stream */ ); externC int putchar( int /* c */ ); externC int fputs( const char * /* str */, FILE * /* stream */ ); externC char * gets( char * ); externC int getc( FILE * /* stream */ ); externC int getchar( void ); externC int puts( const char * /* str */ ); externC int ungetc( int /* c */, FILE * /* stream */ ); // no function equivalent is required for getchar() or putchar(), so we can // just #define them #define getchar() fgetc( stdin ) #define putchar(__c) fputc(__c, stdout) //======================================================================== // ISO C 7.9.8 Direct input/output functions externC size_t fread( void * /* ptr */, size_t /* object_size */, size_t /* num_objects */, FILE * /* stream */ ); externC size_t fwrite( const void * /* ptr */, size_t /* object_size */, size_t /* num_objects */, FILE * /* stream */ ); //======================================================================== // ISO C 7.9.9 File positioning functions externC int fgetpos( FILE * /* stream */, fpos_t * /* pos */ ); externC int fseek( FILE * /* stream */, long int /* offset */, int /* whence */ ); externC int fsetpos( FILE * /* stream */, const fpos_t * /* pos */ ); externC long int ftell( FILE * /* stream */ ); externC void rewind( FILE * /* stream */ ); //======================================================================== // ISO C 7.9.10 Error-handling functions externC void clearerr( FILE * /* stream */ ); externC int feof( FILE * /* stream */ ); externC int ferror( FILE * /* stream */ ); externC void perror( const char * /* prefix_str */ ); //======================================================================== // Other non-ISO C functions externC int fnprintf( FILE * /* stream */, size_t /* length */, const char * /* format */, ... ) CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4); externC int snprintf( char * /* str */, size_t /* length */, const char * /* format */, ... ) CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4); externC int vfnprintf( FILE * /* stream */, size_t /* length */, const char * /* format */, va_list /* args */ ); externC int vsnprintf( char * /* str */, size_t /* length */, const char * /* format */, va_list /* args */ ); externC int vscanf( const char * /* format */, va_list /* args */ ); externC int vsscanf( const char * /* str */, const char * /* format */, va_list /* args */ ); externC int vfscanf( FILE * /* stream */, const char * /* format */, va_list /* args */ ); // INLINE FUNCTIONS #ifdef CYGIMP_LIBC_STDIO_INLINES # include <cyg/libc/stdio/stdio.inl> #endif #endif // CYGONCE_LIBC_STDIO_STDIO_H multiple inclusion protection // EOF stdio.h
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