X-Git-Url: https://pd.if.org/git/?p=pdclib.old;a=blobdiff_plain;f=includes%2Fstdio.h;h=274966e87963c9508a3a700cf693a1010b023043;hp=df9bfe4261d16de6ec6e309803e7dbdbb4eb07df;hb=12e17136786afb1775c9dc946cbe41f5e230c24a;hpb=9489b93733c00be5a94e2ee5b349457c78184a1a diff --git a/includes/stdio.h b/includes/stdio.h index df9bfe4..274966e 100644 --- a/includes/stdio.h +++ b/includes/stdio.h @@ -8,23 +8,151 @@ Permission is granted to use, modify, and / or redistribute at will. */ -/* TODO: This is a dummy header to avoid errors when mixing PDCLIB */ -/* with glibc . */ - #ifndef _PDCLIB_STDIO_H #define _PDCLIB_STDIO_H _PDCLIB_STDIO_H -#ifndef _PDCLIB_AUX_H -#define _PDCLIB_AUX_H _PDCLIB_AUX_H -#include <_PDCLIB_aux.h> +#ifndef _PDCLIB_INT_H +#define _PDCLIB_INT_H _PDCLIB_INT_H +#include <_PDCLIB_int.h> +#endif + +#ifndef _PDCLIB_SIZE_T_DEFINED +#define _PDCLIB_SIZE_T_DEFINED _PDCLIB_SIZE_T_DEFINED +typedef _PDCLIB_size_t size_t; #endif -typedef void * FILE; +#ifndef _PDCLIB_NULL_DEFINED +#define _PDCLIB_NULL_DEFINED _PDCLIB_NULL_DEFINED +#define NULL _PDCLIB_NULL +#endif + +/* See setvbuf(), third argument */ +/* Fully buffered - transmit block-wise */ +#define _IOFBF 1 +/* Line buffered - transmit line-wise */ +#define _IOLBF 2 +/* Not buffered - transmit immediately */ +#define _IONBF 4 + +/* See setbuf(). Minimum 256. */ +#define BUFSIZ 1024 + +/* Internal-only flags for representing mode */ +#define _PDCLIB_FREAD 1 +#define _PDCLIB_FWRITE 2 +#define _PDCLIB_FAPPEND 4 +#define _PDCLIB_FRW 8 +#define _PDCLIB_FBIN 16 + +typedef struct _PDCLIB_file_t FILE; +typedef _PDCLIB_fpos_t fpos_t; + +/* Must be integer and of negative value */ +#define EOF -1 + +/* Maximum number of files this implementation can open simultaneously. Minimum 8. */ +#define FOPEN_MAX 1 + +/* Maximum file name length (plus terminating \0) this implementation does + guarantee can be opened. If there is no limit on the length of filenames, + this should be a recommended size for filename buffers. +*/ +#define FILENAME_MAX 1024 -extern void * stderr; +/* Buffer size for tmpnam() */ +#define L_tmpnam 1024 +/* Number of distinct file names that can be generated by tmpnam(). */ +#define TMP_MAX 50 + +/* See fseek(), third argument */ +#define SEEK_CUR 1 +#define SEEK_END 2 +#define SEEK_SET 4 + +typedef struct +{ + _PDCLIB_fd_t handle; /* OS-specific file descriptor */ + _PDCLIB_fpos_t position; /* file position indicator */ + void * buffer; /* file buffer */ + size_t bufsize; /* size of buffer */ + int status; /* misc. status bits */ + /*mbstate_t mbstate;*//* multibyte parse state */ /* TODO: Unmask. */ + FILE * next; /* provisions for linked list handling */ +} FILE; + +/* Text-mode I/O is at liberty to skip non-printing characters and trailing spaces. + Binary I/O is at liberty to add trailing zero bytes. + First operation decides "orientation" of the stream (wide / byte). + freopen() removes orientation; see also fwide(). + Binary wide-oriented streams have the file-positioning restrictions ascribed to both text and binary streams. + For wide-oriented streams, after a successful call to a file-positioning function that leaves the file position indicator prior to the end-of-file, a wide character output function can overwrite a partial multibyte character; any file contents beyond the byte(s) written are henceforth indeterminate. + Whether a file of zero length (unwritten-to) actually exists is implementation-defined. + Wide text input from file: fgetwc() / mbrtowc() + Wide text output to file: wcrtomb() / fputwc() + Multibyte encoding in file may contain embedded null bytes + Multibyte encoding in file need not begin / end in initial shift state. + Conversion may trigger EILSEQ. +*/ + +/* Operations on files */ +int remove( const char * filename ); +int rename( const char * old, const char * new ); +FILE * tmpfile( void ); /* TODO: Implement. */ +char * tmpnam( char * s ); /* TODO: Implement. */ + +/* File access functions */ +int fclose( FILE * stream ); +int fflush( FILE * stream ); +FILE * fopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restrict mode ); +FILE * freopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restrict mode, FILE * _PDCLIB_restrict stream ); +void setbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf ); +int setvbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf, int mode, size_t size ); + +/* Formatted input/output functions */ +int fprintf( FILE * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, ... ); +int fscanf( FILE * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, ... ); int printf( const char * _PDCLIB_restrict format, ... ); +int scanf( const char * _PDCLIB_restrict format, ... ); +int snprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, ... ); +int sprintf( char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, ... ); +int sscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, ... ); +int vfprintf( FILE * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vfscanf( FILE * _PDCLIB_restrict stream, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vprintf( const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vscanf( const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vsnprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vsprintf( char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); +int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, _PDCLIB_va_list arg ); + +/* Character input/output functions */ +int fgetc( FILE * stream ); +char * fgets( char * _PDCLIB_restrict s, int n, FILE * _PDCLIB_restrict stream ); +int fputc( int c, FILE * stream ); int fputs( const char * _PDCLIB_restrict s, FILE * _PDCLIB_restrict stream ); -int puts( const char * _PDCLIB_restrict s ); +int getc( FILE * stream ); +int getchar( void ); +char * gets( char * s ); +int putc( int c, FILE * stream ); +int putchar( int c ); +int puts( const char * s ); +int ungetc( int c, FILE * stream ); + +/* Direct input/output functions */ +size_t fread( void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, FILE * _PDCLIB_restrict stream ); +size_t fwrite( const void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, FILE * _PDCLIB_restrict stream ); + +/* File positioning functions */ +int fgetpos( FILE * _PDCLIB_restrict stream, fpos_t * _PDCLIB_restrict pos ); +int fseek( FILE * stream, long int offset, int whence ); +int fsetpos( FILE * stream, const fpos_t * pos ); +long int ftell( FILE * stream ); +void rewind( FILE * stream ); + +/* Error-handling functions */ +void clearerr( FILE * stream ); +int feof( FILE * stream ); +int ferror( FILE * stream ); +void perror( const char * s ); #endif