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