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[] = "$Id: perlsfio.c,v 8.2 1996/12/18 10:25:12 bostic Exp $ (Berkeley) $Date: 1996/12/18 10:25:12 $";
  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 "../common/common.h"
  31
  32 #include <EXTERN.h>
  33 #include <perl.h>
  34 #include <XSUB.h>
  35
  36 #include "extern.h"
  37
  38 /*
  39  * PUBLIC: #ifdef USE_SFIO
  40  */
  41 #ifdef USE_SFIO
  42
  43 #define NIL(type)       ((type)0)
  44
  45 static int
  46 sfnviwrite(f, buf, n, disc)
  47 Sfio_t* f;      /* stream involved */
  48 char*           buf;    /* buffer to read into */
  49 int             n;      /* number of bytes to read */
  50 Sfdisc_t*       disc;   /* discipline */
  51 {
  52         SCR *scrp;
  53
  54         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  55         msgq(scrp, M_INFO, "%.*s", n, buf);
  56         return n;
  57 }
  58
  59 /*
  60  * sfdcnewnvi --
  61  *      Create nvi discipline
  62  *
  63  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  64  */
  65
  66 Sfdisc_t *
  67 sfdcnewnvi(scrp)
  68         SCR *scrp;
  69 {
  70         Sfdisc_t*   disc;
  71
  72         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  73         if (!disc) return disc;
  74
  75         disc->readf = (Sfread_f)NULL;
  76         disc->writef = sfnviwrite;
  77         disc->seekf = (Sfseek_f)NULL;
  78         disc->exceptf = (Sfexcept_f)NULL;
  79         return disc;
  80 }
  81
  82 /*
  83  * PUBLIC: #endif
  84  */
  85 #endif /* USE_SFIO */