dist/nvi/perl_api/perlsfio.c

   1 /*      $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 1996
   5  *      Keith Bostic.  All rights reserved.
   6  * Copyright (c) 1996
   7  *      Sven Verdoolaege. All rights reserved.
   8  *
   9  * See the LICENSE file for redistribution information.
  10  */
  11
  12 #ifndef lint
  13 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";
  14 #endif /* not lint */
  15
  16 #include <sys/types.h>
  17 #include <sys/queue.h>
  18 #include <sys/time.h>
  19
  20 #include <bitstring.h>
  21 #include <ctype.h>
  22 #include <limits.h>
  23 #include <signal.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <termios.h>
  28 #include <unistd.h>
  29
  30 #include <EXTERN.h>
  31 #include <perl.h>
  32 #include <XSUB.h>
  33
  34 /* perl redefines them
  35  * avoid warnings
  36  */
  37 #undef USE_DYNAMIC_LOADING
  38 #undef DEBUG
  39 #undef PACKAGE
  40 #undef ARGS
  41 #define ARGS ARGS
  42
  43 #include "config.h"
  44
  45 #include "../common/common.h"
  46 #include "extern.h"
  47
  48 /*
  49  * PUBLIC: #ifdef USE_SFIO
  50  */
  51 #ifdef USE_SFIO
  52
  53 #define NIL(type)       ((type)0)
  54
  55 static int
  56 sfnviwrite(f, buf, n, disc)
  57 Sfio_t* f;      /* stream involved */
  58 char*           buf;    /* buffer to read into */
  59 int             n;      /* number of bytes to read */
  60 Sfdisc_t*       disc;   /* discipline */
  61 {
  62         SCR *scrp;
  63
  64         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  65         msgq(scrp, M_INFO, "%.*s", n, buf);
  66         return n;
  67 }
  68
  69 /*
  70  * sfdcnewnvi --
  71  *      Create nvi discipline
  72  *
  73  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  74  */
  75
  76 Sfdisc_t *
  77 sfdcnewnvi(scrp)
  78         SCR *scrp;
  79 {
  80         Sfdisc_t*   disc;
  81
  82         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  83         if (!disc) return disc;
  84
  85         disc->readf = (Sfread_f)NULL;
  86         disc->writef = sfnviwrite;
  87         disc->seekf = (Sfseek_f)NULL;
  88         disc->exceptf = (Sfexcept_f)NULL;
  89         return disc;
  90 }
  91
  92 /*
  93  * PUBLIC: #endif
  94  */
  95 #endif /* USE_SFIO */