ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 41af19c 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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Rev | Line | |
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[8d75345a] | 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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[3f654ec] | 12 | // Last Modified On : Wed Jul 17 18:04:44 2019 |
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| 13 | // Update Count : 26 |
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[8d75345a] | 14 | // |
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| 15 | |
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| 16 | #include <fstream.hfa> |
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[3f654ec] | 17 | #include <stdlib.hfa> // new/delete |
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[8d75345a] | 18 | |
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| 19 | int main( int argc, char * argv[] ) { |
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[3f654ec] | 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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[8d75345a] | 31 | |
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[3f654ec] | 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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[8d75345a] | 35 | |
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[3f654ec] | 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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[8d75345a] | 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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