perl_api/perlsfio.c

   1 /*-
   2  * Copyright (c) 1996
   3  *      Keith Bostic.  All rights reserved.
   4  * Copyright (c) 1996
   5  *      Sven Verdoolaege. All rights reserved.
   6  *
   7  * See the LICENSE file for redistribution information.
   8  */
   9
  10 #ifndef lint
  11 static const char sccsid[] = "$Id: perlsfio.c,v 8.3 2000/04/30 17:00:15 skimo Exp $ (Berkeley) $Date: 2000/04/30 17:00:15 $";
  12 #endif /* not lint */
  13
  14 #include <sys/types.h>
  15 #include <sys/queue.h>
  16 #include <sys/time.h>
  17
  18 #include <bitstring.h>
  19 #include <ctype.h>
  20 #include <limits.h>
  21 #include <signal.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <termios.h>
  26 #include <unistd.h>
  27
  28 #include <EXTERN.h>
  29 #include <perl.h>
  30 #include <XSUB.h>
  31
  32 /* perl redefines them
  33  * avoid warnings
  34  */
  35 #undef USE_DYNAMIC_LOADING
  36 #undef DEBUG
  37 #undef PACKAGE
  38 #undef ARGS
  39 #define ARGS ARGS
  40
  41 #include "config.h"
  42
  43 #include "../common/common.h"
  44 #include "extern.h"
  45
  46 /*
  47  * PUBLIC: #ifdef USE_SFIO
  48  */
  49 #ifdef USE_SFIO
  50
  51 #define NIL(type)       ((type)0)
  52
  53 static int
  54 sfnviwrite(f, buf, n, disc)
  55 Sfio_t* f;      /* stream involved */
  56 char*           buf;    /* buffer to read into */
  57 int             n;      /* number of bytes to read */
  58 Sfdisc_t*       disc;   /* discipline */
  59 {
  60         SCR *scrp;
  61
  62         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  63         msgq(scrp, M_INFO, "%.*s", n, buf);
  64         return n;
  65 }
  66
  67 /*
  68  * sfdcnewnvi --
  69  *      Create nvi discipline
  70  *
  71  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  72  */
  73
  74 Sfdisc_t *
  75 sfdcnewnvi(scrp)
  76         SCR *scrp;
  77 {
  78         Sfdisc_t*   disc;
  79
  80         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  81         if (!disc) return disc;
  82
  83         disc->readf = (Sfread_f)NULL;
  84         disc->writef = sfnviwrite;
  85         disc->seekf = (Sfseek_f)NULL;
  86         disc->exceptf = (Sfexcept_f)NULL;
  87         return disc;
  88 }
  89
  90 /*
  91  * PUBLIC: #endif
  92  */
  93 #endif /* USE_SFIO */