contrib/nvi/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 "config.h"
  11
  12 #ifndef lint
  13 static const char sccsid[] = "@(#)perlsfio.c    8.1 (Berkeley) 9/24/96";
  14 #endif /* not lint */
  15
  16 #include <sys/types.h>
  17 #include <sys/param.h>
  18 #include <sys/queue.h>
  19 #include <sys/time.h>
  20
  21 #include <bitstring.h>
  22 #include <ctype.h>
  23 #include <limits.h>
  24 #include <signal.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <termios.h>
  29 #include <unistd.h>
  30 #include <errno.h>
  31
  32 #include "../common/common.h"
  33
  34 #include <EXTERN.h>
  35 #include <perl.h>
  36 #include <XSUB.h>
  37
  38 #include "perl_extern.h"
  39
  40 /*
  41  * PUBLIC: #ifdef USE_SFIO
  42  */
  43 #ifdef USE_SFIO
  44
  45 #define NIL(type)       ((type)0)
  46
  47 static int
  48 sfnviwrite(f, buf, n, disc)
  49 Sfio_t* f;      /* stream involved */
  50 char*           buf;    /* buffer to read into */
  51 int             n;      /* number of bytes to read */
  52 Sfdisc_t*       disc;   /* discipline */
  53 {
  54         SCR *scrp;
  55
  56         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  57         msgq(scrp, M_INFO, "%.*s", n, buf);
  58         return n;
  59 }
  60
  61 /*
  62  * sfdcnewnvi --
  63  *      Create nvi discipline
  64  *
  65  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  66  */
  67
  68 Sfdisc_t *
  69 sfdcnewnvi(scrp)
  70         SCR *scrp;
  71 {
  72         Sfdisc_t*   disc;
  73
  74         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  75         if (!disc) return disc;
  76
  77         disc->readf = (Sfread_f)NULL;
  78         disc->writef = sfnviwrite;
  79         disc->seekf = (Sfseek_f)NULL;
  80         disc->exceptf = (Sfexcept_f)NULL;
  81         return disc;
  82 }
  83
  84 /*
  85  * PUBLIC: #endif
  86  */
  87 #endif /* USE_SFIO */