ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 746157e was
3f654ec,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
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update copyfile idiom
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Property mode set to
100644
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File size:
1.5 KB
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // copyfile.cfa -- |
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8 | // |
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9 | // Author : Peter A. Buhr |
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10 | // Created On : Tue Jul 16 16:47:22 2019 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Wed Jul 17 18:04:44 2019 |
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13 | // Update Count : 26 |
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14 | // |
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15 | |
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16 | #include <fstream.hfa> |
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17 | #include <stdlib.hfa> // new/delete |
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18 | |
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19 | int main( int argc, char * argv[] ) { |
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20 | ifstream * in = &stdin; // default files |
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21 | ofstream * out = &stdout; |
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22 | try { |
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23 | choose ( argc ) { |
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24 | case 2, 3: |
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25 | in = new( (const char *)argv[1] ); // open input file first as output creates file |
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26 | if ( argc == 3 ) out = new( (const char *)argv[2] ); // only open output if input opens as output created if nonexistent |
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27 | case 1: ; // use default files |
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28 | default: |
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29 | exit | "Usage [ input-file (default stdin) [ output-file (default stdout) ] ]"; |
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30 | } // choose |
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31 | |
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32 | char ch; |
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33 | *out | nlOff; // turn off auto newline |
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34 | *in | nlOn; // turn on reading newline |
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35 | |
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36 | for () { // read all characters |
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37 | *in | ch; |
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38 | if ( eof( *in ) ) break; // eof ? |
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39 | *out | ch; |
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40 | } // for |
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41 | } finally { |
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42 | if ( in != &stdin ) delete( in ); // close file, do not delete stdin! |
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43 | if ( out != &stdout ) delete( out ); // close file, do not delete stdout! |
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44 | } // try |
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45 | } // main |
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46 | |
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47 | // Local Variables: // |
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48 | // tab-width: 4 // |
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49 | // compile-command: "cfa copyfile.cfa" // |
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50 | // End: // |
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