From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/internal/stdio_impl.h | 100 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 src/internal/stdio_impl.h (limited to 'src/internal/stdio_impl.h') diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h new file mode 100644 index 00000000..1e9159f6 --- /dev/null +++ b/src/internal/stdio_impl.h @@ -0,0 +1,100 @@ +#ifndef _STDIO_IMPL_H +#define _STDIO_IMPL_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "syscall.h" +#include "libc.h" + +#define UNGET 4 + +#define FLOCK(f) LOCK(&f->lock) +#define FUNLOCK(f) UNLOCK(&f->lock) + +#define F_PERM 1 +#define F_NORD 4 +#define F_NOWR 8 +#define F_EOF 16 +#define F_ERR 32 + +struct __FILE_s { + unsigned flags; + unsigned char *rpos, *rstop; + unsigned char *rend, *wend; + unsigned char *wpos, *wstop; + unsigned char *wbase; + unsigned char *dummy01[3]; + unsigned char *buf; + size_t buf_size; + FILE *prev, *next; + int fd; + int pipe_pid; + long dummy2; + short dummy3; + char dummy4; + signed char lbf; + int lock; + int lockcount; + void *owner; + off_t off; + int (*flush)(FILE *); + void **wide_data; /* must be NULL */ + size_t (*read)(FILE *, unsigned char *, size_t); + size_t (*write)(FILE *, const unsigned char *, size_t); + off_t (*seek)(FILE *, off_t, int); + int mode; + int (*close)(FILE *); +}; + +size_t __stdio_read(FILE *, unsigned char *, size_t); +size_t __stdio_write(FILE *, const unsigned char *, size_t); +off_t __stdio_seek(FILE *, off_t, int); +int __stdio_close(FILE *); + +int __overflow(FILE *, int); +int __oflow(FILE *); +int __uflow(FILE *); +int __underflow(FILE *); + +int __fseeko(FILE *, off_t, int); +int __fseeko_unlocked(FILE *, off_t, int); +off_t __ftello(FILE *); +off_t __ftello_unlocked(FILE *); +size_t __fwritex(const unsigned char *, size_t, FILE *); +int __putc_unlocked(int, FILE *); + +FILE *__fdopen(int, const char *); + +extern struct ofl +{ + FILE *head; + int lock; +} __ofl; + +#define OFLLOCK() LOCK(&__ofl.lock) +#define OFLUNLOCK() UNLOCK(&__ofl.lock) +#define ofl_head (__ofl.head) + +#define feof(f) ((f)->flags & F_EOF) +#define ferror(f) ((f)->flags & F_ERR) + +/* Caller-allocated FILE * operations */ +FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t); +int __fclose_ca(FILE *); + +#endif -- cgit v1.2.1