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 re_compile
  36 #undef USE_DYNAMIC_LOADING
  37 #undef DEBUG
  38 #undef PACKAGE
  39 #undef ARGS
  40 #define ARGS ARGS
  41
  42 #include "config.h"
  43
  44 #include "../common/common.h"
  45 #include "extern.h"
  46
  47 /*
  48  * PUBLIC: #ifdef USE_SFIO
  49  */
  50 #ifdef USE_SFIO
  51
  52 #define NIL(type)       ((type)0)
  53
  54 static int
  55 sfnviwrite(f, buf, n, disc)
  56 Sfio_t* f;      /* stream involved */
  57 char*           buf;    /* buffer to read into */
  58 int             n;      /* number of bytes to read */
  59 Sfdisc_t*       disc;   /* discipline */
  60 {
  61         SCR *scrp;
  62
  63         scrp = (SCR *)SvIV((SV*)SvRV(perl_get_sv("curscr", FALSE)));
  64         msgq(scrp, M_INFO, "%.*s", n, buf);
  65         return n;
  66 }
  67
  68 /*
  69  * sfdcnewnvi --
  70  *      Create nvi discipline
  71  *
  72  * PUBLIC: Sfdisc_t* sfdcnewnvi __P((SCR*));
  73  */
  74
  75 Sfdisc_t *
  76 sfdcnewnvi(scrp)
  77         SCR *scrp;
  78 {
  79         Sfdisc_t*   disc;
  80
  81         MALLOC(scrp, disc, Sfdisc_t*, sizeof(Sfdisc_t));
  82         if (!disc) return disc;
  83
  84         disc->readf = (Sfread_f)NULL;
  85         disc->writef = sfnviwrite;
  86         disc->seekf = (Sfseek_f)NULL;
  87         disc->exceptf = (Sfexcept_f)NULL;
  88         return disc;
  89 }
  90
  91 /*
  92  * PUBLIC: #endif
  93  */
  94 #endif /* USE_SFIO */