source: src/examples/iostream.c @ 86bd7c1f

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglergc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newstringwith_gc
Last change on this file since 86bd7c1f was 86bd7c1f, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago

licencing: eighth groups of files

  • Property mode set to 100644
File size: 1.9 KB
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1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// iostream.c --
8//
9// Author           : Richard C. Bilson
10// Created On       : Wed May 27 17:56:53 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Wed May 27 18:18:13 2015
13// Update Count     : 2
14//
15
16#include "iostream.h"
17extern "C" {
18#include <stdio.h>
19//#include <string.h>
20//#include <ctype.h>
21        typedef long unsigned int size_t;
22        size_t strlen(const char *s);
23}
24
25forall( dtype ostype | ostream( ostype ) )
26ostype * ?<<?( ostype *os, char c ) {
27        return write( os, &c, 1 );
28}
29
30forall( dtype ostype | ostream( ostype ) )
31ostype * ?<<?( ostype *os, int i ) {
32        char buffer[20];      // larger than the largest integer
33        sprintf( buffer, "%d", i );
34        return write( os, buffer, strlen( buffer ) );
35}
36
37forall( dtype ostype | ostream( ostype ) )
38ostype * ?<<?( ostype *os, double d ) {
39        char buffer[32];      // larger than the largest double
40        sprintf( buffer, "%g", d );
41        return write( os, buffer, strlen( buffer ) );
42}
43
44forall( dtype ostype | ostream( ostype ) )
45ostype * ?<<?( ostype *os, const char *cp ) {
46        return write( os, cp, strlen( cp ) );
47}
48
49forall( dtype istype | istream( istype ) )
50istype * ?>>?( istype *is, char *cp ) {
51        return read( is, cp, 1 );
52}
53
54forall( dtype istype | istream( istype ) )
55istype * ?>>?( istype *is, int *ip ) {
56        char cur;
57 
58        // skip some whitespace
59        do {
60                is >> &cur;
61                if ( fail( is ) || eof( is ) ) return is;
62        } while ( !( cur >= '0' && cur <= '9' ) );
63 
64        // accumulate digits
65        *ip = 0;
66        while ( cur >= '0' && cur <= '9' ) {
67                *ip = *ip * 10 + ( cur - '0' );
68                is >> &cur;
69                if ( fail( is ) || eof( is ) ) return is;
70        }
71 
72        unread( is, cur );
73        return is;
74}
75
76// Local Variables: //
77// tab-width: 4 //
78// compile-command: "cfa iostream.c" //
79// End: //
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