#include <sys/wait.h>
#include <math.h>
#include <float.h>
+#include <sys/uio.h>
#include "syscall.h"
#include "libc.h"
-#define UNGET 4
+#define UNGET 8
-#define FLOCK(f) LOCK(&f->lock)
-#define FUNLOCK(f) UNLOCK(&f->lock)
+#define FLOCK(f) ((libc.threads_minus_1 && (f)->lock>=0) ? (__lockfile((f)),0) : 0)
+#define FUNLOCK(f) ((f)->lockcount && (--(f)->lockcount || ((f)->lock=0)))
#define F_PERM 1
#define F_NORD 4
#define F_NOWR 8
#define F_EOF 16
#define F_ERR 32
+#define F_SVB 64
struct __FILE_s {
unsigned flags;
- unsigned char *rpos, *rstop;
- unsigned char *rend, *wend;
- unsigned char *wpos, *wstop;
+ unsigned char *rpos, *rend;
+ int (*close)(FILE *);
+ unsigned char *wend, *wpos;
+ unsigned char *mustbezero_1;
unsigned char *wbase;
- unsigned char *dummy01[3];
+ size_t (*read)(FILE *, unsigned char *, size_t);
+ size_t (*write)(FILE *, const unsigned char *, size_t);
+ off_t (*seek)(FILE *, off_t, int);
unsigned char *buf;
size_t buf_size;
FILE *prev, *next;
int pipe_pid;
long dummy2;
short dummy3;
- char dummy4;
+ signed char mode;
signed char lbf;
int lock;
int lockcount;
- void *owner;
+ void *cookie;
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 *);
+ void *mustbezero_2;
};
size_t __stdio_read(FILE *, unsigned char *, size_t);
size_t __stdio_write(FILE *, const unsigned char *, size_t);
+size_t __stdout_write(FILE *, const unsigned char *, size_t);
off_t __stdio_seek(FILE *, off_t, int);
int __stdio_close(FILE *);
+int __toread(FILE *);
+int __towrite(FILE *);
+
int __overflow(FILE *, int);
int __oflow(FILE *);
int __uflow(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 OFLLOCK() LOCK(&libc.ofl_lock)
+#define OFLUNLOCK() UNLOCK(&libc.ofl_lock)
+#define ofl_head (libc.ofl_head)
#define feof(f) ((f)->flags & F_EOF)
#define ferror(f) ((f)->flags & F_ERR)
+#define getc_unlocked(f) \
+ ( ((f)->rpos < (f)->rend) ? *(f)->rpos++ : __uflow((f)) )
+
+#define putc_unlocked(c, f) ( ((c)!=(f)->lbf && (f)->wpos<(f)->wend) \
+ ? *(f)->wpos++ = (c) : __overflow((f),(c)) )
+
/* Caller-allocated FILE * operations */
FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t);
int __fclose_ca(FILE *);