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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 Free Software Foundation, 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., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public 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_count32 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 C89 7.9.4 Functions for operations on files __externC int remove( const char * /* pathname */ ) __THROW; __externC int rename( const char * /* oldpath */, const char * /* newpath */ ) __THROW; __externC FILE * tmpfile( void ) __THROW; __externC char * tmpnam(char * /* s */ ) __THROW; //======================================================================== // ISO C89 7.9.5 File access functions __externC int fclose( FILE * /* stream */ ) __THROW; __externC int fflush( FILE * /* stream */ ) __THROW; __externC FILE * fopen( const char * /* filename */, const char * /* mode */ ) __THROW; __externC FILE * freopen( const char * /* filename */, const char * /* mode */, FILE * /* stream */ ) __THROW; __externC void setbuf( FILE * /* stream */, char * /* buffer */ ) __THROW; __externC int setvbuf( FILE * /* stream */, char * /* buffer */, int /* mode */, size_t /* size */ ) __THROW; //======================================================================== // ISO C89 7.9.6 Formatted input/output functions __externC int fprintf( FILE * /* stream */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(2, 3); __externC int fscanf( FILE * /* stream */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_SCANF_FORMAT(2, 3); __externC int printf( const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(1, 2); __externC int scanf( const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_SCANF_FORMAT(1, 2); __externC int sprintf( char * /* str */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(2, 3); __externC int sscanf( const char * /* str */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_SCANF_FORMAT(2, 3); __externC int vfprintf( FILE * /* stream */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(2, 0); __externC int vprintf( const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(1, 0); __externC int vsprintf( char * /* str */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(2, 0); //======================================================================== // ISO C89 7.9.7 Character input/output functions __externC int fgetc( FILE * /* stream */ ) __THROW; __externC char * fgets( char * /* str */, int /* length */, FILE * /* stream */ ) __THROW; __externC int fputc( int /* c */, FILE * /* stream */ ) __THROW; __externC int putc( int /* c */, FILE * /* stream */ ) __THROW; __externC int putchar( int /* c */ ) __THROW; __externC int fputs( const char * /* str */, FILE * /* stream */ ) __THROW; __externC char * gets( char * ) __THROW; __externC int getc( FILE * /* stream */ ) __THROW; __externC int getchar( void ) __THROW; __externC int puts( const char * /* str */ ) __THROW; __externC int ungetc( int /* c */, FILE * /* stream */ ) __THROW; // 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 C89 7.9.8 Direct input/output functions __externC size_t fread( void * /* ptr */, size_t /* object_size */, size_t /* num_objects */, FILE * /* stream */ ) __THROW; __externC size_t fwrite( const void * /* ptr */, size_t /* object_size */, size_t /* num_objects */, FILE * /* stream */ ) __THROW; //======================================================================== // ISO C89 7.9.9 File positioning functions __externC int fgetpos( FILE * /* stream */, fpos_t * /* pos */ ) __THROW; __externC int fseek( FILE * /* stream */, long int /* offset */, int /* whence */ ) __THROW; __externC int fsetpos( FILE * /* stream */, const fpos_t * /* pos */ ) __THROW; __externC long int ftell( FILE * /* stream */ ) __THROW; __externC void rewind( FILE * /* stream */ ) __THROW; //======================================================================== // ISO C89 7.9.10 Error-handling functions __externC void clearerr( FILE * /* stream */ ) __THROW; __externC int feof( FILE * /* stream */ ) __THROW; __externC int ferror( FILE * /* stream */ ) __THROW; __externC void perror( const char * /* prefix_str */ ) __THROW; //======================================================================== // Other non-ISO C functions __externC int fnprintf( FILE * /* stream */, size_t /* length */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4); __externC int snprintf( char * /* str */, size_t /* length */, const char * /* format */, ... ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(3, 4); __externC int vfnprintf( FILE * /* stream */, size_t /* length */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(3, 0); __externC int vsnprintf( char * /* str */, size_t /* length */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(3, 0); __externC int vscanf( const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_SCANF_FORMAT(1, 0); __externC int vsscanf( const char * /* str */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_SCANF_FORMAT(2, 0); __externC int vfscanf( FILE * /* stream */, const char * /* format */, va_list /* args */ ) __THROW CYGBLD_ATTRIB_PRINTF_FORMAT(2, 0); // 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