| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo
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| 3 | //
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| 4 | // manipulatorsInput.cfa --
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| 5 | //
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| 6 | // Author : Peter A. Buhr
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| 7 | // Created On : Sat Jun 8 17:58:54 2019
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| 8 | // Last Modified By : Peter A. Buhr
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| 9 | // Last Modified On : Wed Jan 3 11:15:04 2024
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| 10 | // Update Count : 103
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| 11 | //
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| 12 |
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| 13 | #include <fstream.hfa>
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| 14 | #include <stdio.h> // scanf
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| 15 |
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| 16 | int main() {
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| 17 | {
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| 18 | // Upfront checks to ensure buffer safety. Once these pass, the simpler `wdi(sizeof(s),s)`
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| 19 | // usage, as in the scanf alignment cases below, is justified.
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| 20 | struct {
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| 21 | char buf[8];
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| 22 | char canary;
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| 23 | } data;
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| 24 | static_assert( sizeof(data.buf) == 8 );
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| 25 | static_assert( &data.buf[8] == &data.canary ); // canary comes right after buf
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| 26 |
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| 27 | void rep(const char* casename) {
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| 28 | data.canary = 42;
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| 29 | bool caught = false;
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| 30 | try {
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| 31 | sin | wdi( sizeof(data.buf), data.buf );
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| 32 | } catch (cstring_length*) {
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| 33 | caught = true;
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| 34 | }
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| 35 | printf( "%s \"%s\"", casename, data.buf );
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| 36 | if ( caught ) {
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| 37 | printf(", exception occurred");
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| 38 | }
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| 39 | if ( data.canary == 42 ) {
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| 40 | printf(", canary ok");
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| 41 | } else {
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| 42 | printf(", canary overwritten to %d", data.canary);
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| 43 | }
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| 44 | printf("\n");
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| 45 | }
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| 46 |
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| 47 | rep("pre1"); // 123456 | 123456
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| 48 | rep("pre2"); // 1234567 | 1234567
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| 49 | rep("pre3a"); // 12345678 | 1234567
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| 50 | rep("pre3b"); // | 8
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| 51 | rep("pre4a"); // 123456789 | 1234567
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| 52 | rep("pre4b"); // | 89
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| 53 |
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| 54 | scanf("\n"); // next test does not start with %s so does not tolerate leading whitespace
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| 55 | }
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| 56 | {
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| 57 | char s[] = "yyyyyyyyyyyyyyyyyyyy";
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| 58 | const char sk_fmt[] = "%*[abc]";
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| 59 | scanf( "abc " ); scanf( sk_fmt ); for ( 5 ) scanf( "%*c" ); printf( "1 %s\n", s );
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| 60 | scanf( "%s", s ); printf( "2 %s\n", s );
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| 61 | scanf( "%*s" ); printf( "3 %s\n", s );
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| 62 | scanf( "%8s", s ); printf( "4 %s\n", s );
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| 63 | scanf( "%*8s" ); printf( "5 %s\n", s );
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| 64 |
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| 65 | scanf( "%[abc]", s ); printf( "6 %s\n", s );
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| 66 | scanf( "%[^abc]", s ); printf( "7 %s\n", s );
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| 67 | scanf( "%*[abc]" ); printf( "8 %s\n", s );
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| 68 | scanf( "%*[^abc]" ); printf( "9 %s\n", s );
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| 69 | scanf( "%8[abc]", s ); printf( "10 %s\n", s );
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| 70 | scanf( "%8[^abc]", s ); printf( "11 %s\n", s );
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| 71 | scanf( "%*8[abc]" ); printf( "12 %s\n", s );
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| 72 | scanf( "%*8[^abc]" ); printf( "13 %s\n", s );
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| 73 |
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| 74 | int rc;
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| 75 | s[0] = 'q'; s[1] = '\0'; rc = 99;
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| 76 | rc = scanf( "%[abc]", s ); printf( "14 rc=%d, %s\n", rc, s );
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| 77 | s[0] = 'q'; s[1] = '\0'; rc = 99;
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| 78 | rc = scanf( "%[^u]", s ); printf( "15 rc=%d, %s\n", rc, s );
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| 79 | scanf( "%*[u]\n" );
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| 80 | scanf( "%[^\n]\n", s ); printf( "16 %s\n", s );
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| 81 | scanf( "%[^%%]%%\n", s ); printf( "17 %s\n", s );
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| 82 |
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| 83 | scanf( "%*[ \f\n\r\t\v]" ); // ignore whitespace
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| 84 | scanf( "\"%[^\"]\"", s ); printf( "18 %s\n", s );
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| 85 | scanf( "%*[ \f\n\r\t\v]" ); // ignore whitespace
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| 86 | scanf( "'%[^']'", s ); printf( "19 %s\n", s );
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| 87 | scanf( "%*[ \f\n\r\t\v]" ); // ignore whitespace
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| 88 | scanf( "{%[^}]}", s ); printf( "20 %s\n", s );
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| 89 | scanf( "%*[ \f\n\r\t\v]" ); // ignore whitespace
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| 90 | scanf( "X%[^Y]Y", s ); printf( "21 %s\n", s );
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| 91 | scanf( "\n" ); // must start next line
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| 92 | }
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| 93 | {
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| 94 | char s[] = "yyyyyyyyyyyyyyyyyyyy";
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| 95 | char sk[] = "abc";
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| 96 | sin | "abc " | skip( sk ) | skip( 5 ); sout | "1" | s;
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| 97 | sin | wdi( sizeof(s), s ); sout | "2" | s;
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| 98 | sin | ignore( s ); sout | "3" | s;
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| 99 | sin | wdi( sizeof(s), 8, s ); sout | "4" | s;
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| 100 | sin | ignore( wdi( sizeof(s), 8, s ) ); sout | "5" | s;
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| 101 |
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| 102 | sin | incl( "abc", wdi( sizeof(s), s ) ); sout | "6" | s;
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| 103 | sin | excl( "abc", wdi( sizeof(s), s ) ); sout | "7" | s;
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| 104 | sin | ignore( incl( "abc", wdi( sizeof(s), s ) ) ); sout | "8" | s;
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| 105 | sin | ignore( excl( "abc", wdi( sizeof(s), s ) ) ); sout | "9" | s;
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| 106 | sin | incl( "abc", wdi( sizeof(s), 8, s ) ); sout | "10" | s;
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| 107 | sin | excl( "abc", wdi( sizeof(s), 8, s ) ); sout | "11" | s;
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| 108 | sin | ignore( incl( "abc", wdi( sizeof(s), 8, s ) ) ); sout | "12" | s;
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| 109 | sin | ignore( excl( "abc", wdi( sizeof(s), 8, s ) ) ); sout | "13" | s;
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| 110 |
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| 111 | s[0] = 'q'; s[1] = '\0';
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| 112 | sin | incl( "abc", wdi( sizeof(s), s ) ); sout | "14" | s;
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| 113 | s[0] = 'q'; s[1] = '\0';
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| 114 | sin | excl( "u", wdi( sizeof(s), s ) ); sout | "15" | s;
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| 115 | sin | skip( "u" ) | "\n";
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| 116 | sin | getline( wdi( sizeof(s), s ) ); sout | "16" | s;
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| 117 | sin | getline( wdi( sizeof(s), s ), '%' ) | "\n"; sout | "17" | s;
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| 118 |
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| 119 | sin | quoted( wdi( sizeof(s), s ) ); sout | "18" | s;
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| 120 | sin | quoted( wdi( sizeof(s), s ), '\'' ); sout | "19" | s;
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| 121 | sin | quoted( wdi( sizeof(s), s ), '{', '}' ); sout | "20" | s;
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| 122 | sin | quoted( wdi( sizeof(s), s ), 'X', 'Y' ); sout | "21" | s;
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| 123 | }
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| 124 | // Keep harmonized with collections/string-istream-manip
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| 125 | {
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| 126 | char c;
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| 127 | sin | c; sout | c;
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| 128 | sin | ignore( c ); sout | c;
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| 129 |
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| 130 | signed char sc;
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| 131 | sin | sc; sout | sc;
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| 132 | sin | wdi( 3, sc ); sout | sc;
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| 133 | sin | ignore( sc ); sout | sc;
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| 134 | sin | ignore( wdi( 3, sc ) ); sout | sc;
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| 135 |
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| 136 | unsigned char usc;
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| 137 | sin | usc; sout | usc;
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| 138 | sin | wdi( 3, usc ); sout | usc;
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| 139 | sin | ignore( usc ); sout | usc;
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| 140 | sin | ignore( wdi( 3, usc ) ); sout | usc;
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| 141 |
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| 142 | signed short int ssi;
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| 143 | sin | ssi; sout | ssi;
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| 144 | sin | wdi( 3, ssi ); sout | ssi;
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| 145 | sin | ignore( ssi ); sout | ssi;
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| 146 | sin | ignore( wdi( 3, ssi ) ); sout | ssi;
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| 147 |
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| 148 | unsigned short int usi;
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| 149 | sin | usi; sout | usi;
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| 150 | sin | wdi( 3, usi ); sout | usi;
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| 151 | sin | ignore( usi ); sout | usi;
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| 152 | sin | ignore( wdi( 3, usi ) ); sout | usi;
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| 153 |
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| 154 | signed int si;
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| 155 | sin | si; sout | si;
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| 156 | sin | wdi( 3, si ); sout | si;
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| 157 | sin | ignore( si ); sout | si;
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| 158 | sin | ignore( wdi( 3, si ) ); sout | si;
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| 159 |
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| 160 | unsigned int ui;
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| 161 | sin | ui; sout | ui;
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| 162 | sin | wdi( 3, ui ); sout | ui;
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| 163 | sin | ignore( ui ); sout | ui;
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| 164 | sin | ignore( wdi( 3, ui ) ); sout | ui;
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| 165 |
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| 166 | signed long int sli;
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| 167 | sin | sli; sout | sli;
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| 168 | sin | wdi( 3, sli ); sout | sli;
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| 169 | sin | ignore( sli ); sout | sli;
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| 170 | sin | ignore( wdi( 3, sli ) ); sout | sli;
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| 171 |
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| 172 | unsigned long int uli;
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| 173 | sin | uli; sout | uli;
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| 174 | sin | wdi( 3, uli ); sout | uli;
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| 175 | sin | ignore( uli ); sout | uli;
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| 176 | sin | ignore( wdi( 3, uli ) ); sout | uli;
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| 177 |
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| 178 | signed long long int slli;
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| 179 | sin | slli; sout | slli;
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| 180 | sin | wdi( 3, slli ); sout | slli;
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| 181 | sin | ignore( slli ); sout | slli;
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| 182 | sin | ignore( wdi( 3, slli ) ); sout | slli;
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| 183 |
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| 184 | unsigned long long int ulli;
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| 185 | sin | ulli; sout | ulli;
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| 186 | sin | wdi( 3, ulli ); sout | ulli;
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| 187 | sin | ignore( ulli ); sout | ulli;
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| 188 | sin | ignore( wdi( 3, ulli ) ); sout | ulli;
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| 189 |
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| 190 | float f;
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| 191 | sin | f; sout | f;
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| 192 | sin | wdi( 8, f ); sout | f;
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| 193 | sin | ignore( f ); sout | f;
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| 194 | sin | ignore( wdi( 8, f ) ); sout | f;
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| 195 |
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| 196 | double d;
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| 197 | sin | d; sout | d;
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| 198 | sin | wdi( 8, d ); sout | d;
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| 199 | sin | ignore( d ); sout | d;
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| 200 | sin | ignore( wdi( 8, d ) ); sout | d;
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| 201 |
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| 202 | long double ld;
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| 203 | sin | ld; sout | ld;
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| 204 | sin | wdi( 8, ld ); sout | ld;
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| 205 | sin | ignore( ld ); sout | ld;
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| 206 | sin | ignore( wdi( 8, ld ) ); sout | ld;
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| 207 |
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| 208 | float _Complex fc;
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| 209 | sin | fc; sout | fc;
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| 210 | sin | wdi( 8, fc ); sout | fc;
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| 211 | sin | ignore( fc ); sout | fc;
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| 212 | sin | ignore( wdi( 8, fc ) ); sout | fc;
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| 213 |
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| 214 | double _Complex dc;
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| 215 | sin | dc; sout | dc;
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| 216 | sin | wdi( 8, dc ); sout | dc;
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| 217 | sin | ignore( dc ); sout | dc;
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| 218 | sin | ignore( wdi( 8, dc ) ); sout | dc;
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| 219 |
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| 220 | long double _Complex ldc;
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| 221 | sin | ldc; sout | ldc;
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| 222 | sin | wdi( 8, ldc ); sout | ldc;
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| 223 | sin | ignore( ldc ); sout | ldc;
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| 224 | sin | ignore( wdi( 8, ldc ) ); sout | ldc;
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| 225 | }
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| 226 | #if defined( __SIZEOF_INT128__ )
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| 227 | {
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| 228 | int128 val;
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| 229 | for ( 15 ) {
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| 230 | sin | val;
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| 231 | sout | val;
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| 232 | }
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| 233 | }
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| 234 | #endif // __SIZEOF_INT128__
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| 235 | } // main
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| 236 |
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| 237 | // Local Variables: //
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| 238 | // tab-width: 4 //
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| 239 | // compile-command: "cfa -Wall -Wextra manipulatorsInput.cfa" //
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| 240 | // End: //
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