external/bsd/nvi/dist/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 #include <sys/cdefs.h>
  11 #if 0
  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 #else
  16 __RCSID("$NetBSD: perlsfio.c,v 1.3 2014/01/26 21:43:45 christos Exp $");
  17 #endif
  18
  19 #include <sys/types.h>
  20 #include <sys/queue.h>
  21 #include <sys/time.h>
  22
  23 #include <bitstring.h>
  24 #include <ctype.h>
  25 #include <limits.h>
  26 #include <signal.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <termios.h>
  31 #include <unistd.h>
  32
  33 #include <EXTERN.h>
  34 #include <perl.h>
  35 #include <XSUB.h>
  36
  37 /* perl redefines them
  38  * avoid warnings
  39  */
  40 #undef USE_DYNAMIC_LOADING
  41 #undef DEBUG
  42 #undef PACKAGE
  43 #undef ARGS
  44 #define ARGS ARGS
  45
  46 #include "config.h"
  47
  48 #include "../common/common.h"
  49 #include "perl_api_extern.h"
  50
  51 /*
  52  * PUBLIC: #ifdef USE_SFIO
  53  */
  54 #ifdef USE_SFIO
  55
  56 #define NIL(type)       ((type)0)
  57
  58 static int
  59 sfnviwrite(f, buf, n, disc)
  60 Sfio_t* f;      /* stream involved */
  61 char*           buf;    /* buffer to read into */
  62 int             n;      /* number of bytes to read */
  63 Sfdisc_t*       disc;   /* discipline */
  64 {
  65         SCR *scrp;
  66
  67         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  68         msgq(scrp, M_INFO, "%.*s", n, buf);
  69         return n;
  70 }
  71
  72 /*
  73  * sfdcnewnvi --
  74  *      Create nvi discipline
  75  *
  76  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  77  */
  78
  79 Sfdisc_t *
  80 sfdcnewnvi(scrp)
  81         SCR *scrp;
  82 {
  83         Sfdisc_t*   disc;
  84
  85         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  86         if (!disc) return disc;
  87
  88         disc->readf = (Sfread_f)NULL;
  89         disc->writef = sfnviwrite;
  90         disc->seekf = (Sfseek_f)NULL;
  91         disc->exceptf = (Sfexcept_f)NULL;
  92         return disc;
  93 }
  94
  95 /*
  96  * PUBLIC: #endif
  97  */
  98 #endif /* USE_SFIO */