mdw@git.distorted.org.uk Git - qmail/blob - substdio.h

   1 #ifndef SUBSTDIO_H
   2 #define SUBSTDIO_H
   3
   4 typedef struct substdio {
   5   char *x;
   6   int p;
   7   int n;
   8   int fd;
   9   int (*op)();
  10 } substdio;
  11
  12 #define SUBSTDIO_FDBUF(op,fd,buf,len) { (buf), 0, (len), (fd), (op) }
  13
  14 extern void substdio_fdbuf();
  15
  16 extern int substdio_flush();
  17 extern int substdio_put();
  18 extern int substdio_bput();
  19 extern int substdio_putflush();
  20 extern int substdio_puts();
  21 extern int substdio_bputs();
  22 extern int substdio_putsflush();
  23
  24 extern int substdio_get();
  25 extern int substdio_bget();
  26 extern int substdio_feed();
  27
  28 extern char *substdio_peek();
  29 extern void substdio_seek();
  30
  31 #define substdio_fileno(s) ((s)->fd)
  32
  33 #define SUBSTDIO_INSIZE 8192
  34 #define SUBSTDIO_OUTSIZE 8192
  35
  36 #define substdio_PEEK(s) ( (s)->x + (s)->n )
  37 #define substdio_SEEK(s,len) ( ( (s)->p -= (len) ) , ( (s)->n += (len) ) )
  38
  39 #define substdio_BPUTC(s,c) \
  40   ( ((s)->n != (s)->p) \
  41     ? ( (s)->x[(s)->p++] = (c), 0 ) \
  42     : substdio_bput((s),&(c),1) \
  43   )
  44
  45 extern int substdio_copy();
  46
  47 #endif