mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-27 11:59:32 +08:00
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#ifndef NULL
|
|
/* ANSI C */
|
|
#include <stddef.h>
|
|
#endif
|
|
#ifdef STDC_HEADERS
|
|
#include <string.h>
|
|
#endif
|
|
|
|
#ifndef SEEK_SET
|
|
#define SEEK_SET 0
|
|
#define SEEK_CUR 1
|
|
#define SEEK_END 2
|
|
#endif
|
|
|
|
/* Only use fseeko/ftello if they are both there. */
|
|
|
|
#if defined (HAVE_FSEEKO) && defined (HAVE_FTELLO)
|
|
#define FSEEK fseeko
|
|
#define FTELL ftello
|
|
#else
|
|
#define FSEEK fseek
|
|
#define FTELL ftell
|
|
#endif
|
|
|
|
#if defined (MSDOS) && !defined (GO32)
|
|
#ifndef NON_UNIX_STDIO
|
|
#define NON_UNIX_STDIO
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef UIOLEN_int
|
|
typedef int uiolen;
|
|
#else
|
|
typedef long uiolen;
|
|
#endif
|
|
|
|
/*units*/
|
|
typedef struct
|
|
{
|
|
FILE *ufd; /*0=unconnected */
|
|
char *ufnm;
|
|
#if !(defined (MSDOS) && !defined (GO32))
|
|
long uinode;
|
|
int udev;
|
|
#endif
|
|
int url; /*0=sequential */
|
|
flag useek; /*true=can backspace, use dir, ... */
|
|
flag ufmt;
|
|
flag urw; /* (1 for can read) | (2 for can write) */
|
|
flag ublnk;
|
|
flag uend;
|
|
flag uwrt; /*last io was write */
|
|
flag uscrtch;
|
|
}
|
|
unit;
|
|
|
|
extern int f__init;
|
|
extern cilist *f__elist; /*active external io list */
|
|
extern flag f__reading, f__external, f__sequential, f__formatted;
|
|
extern int (*f__getn) (void); /* for formatted input */
|
|
extern void (*f__putn) (int); /* for formatted output */
|
|
extern void x_putc (int);
|
|
extern long f__inode (char *, int *);
|
|
extern void sig_die (char *, int);
|
|
extern void f__fatal (int, char *);
|
|
extern int t_runc (alist *);
|
|
extern int f__nowreading (unit *), f__nowwriting (unit *);
|
|
extern int fk_open (int, int, ftnint);
|
|
extern int en_fio (void);
|
|
extern void f_init (void);
|
|
extern int (*f__donewrec) (void), t_putc (int), x_wSL (void);
|
|
extern void b_char (char *, char *, ftnlen), g_char (char *, ftnlen, char *);
|
|
extern int c_sfe (cilist *), z_rnew (void);
|
|
extern int isatty (int);
|
|
extern int err__fl (int, int, char *);
|
|
extern int xrd_SL (void);
|
|
extern int f__putbuf (int);
|
|
extern int (*f__doend) (void);
|
|
extern FILE *f__cf; /*current file */
|
|
extern unit *f__curunit; /*current unit */
|
|
extern unit f__units[];
|
|
#define err(f,m,s) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
|
|
#define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
|
|
|
|
/*Table sizes*/
|
|
#define MXUNIT 100
|
|
|
|
extern int f__recpos; /*position in current record */
|
|
extern int f__cursor; /* offset to move to */
|
|
extern int f__hiwater; /* so TL doesn't confuse us */
|
|
|
|
#define WRITE 1
|
|
#define READ 2
|
|
#define SEQ 3
|
|
#define DIR 4
|
|
#define FMT 5
|
|
#define UNF 6
|
|
#define EXT 7
|
|
#define INT 8
|
|
|
|
#define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)
|