Last change
on this file since 8315947 was
a573c22,
checked in by Peter A. Buhr <pabuhr@…>, 5 years ago
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example programs updated for concurrency paper
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-
Property mode set to
100644
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File size:
1.0 KB
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1 | #include <stdio.h> |
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2 | |
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3 | typedef struct { |
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4 | int restart, g, b; |
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5 | char ch; |
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6 | } Fmt; |
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7 | |
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8 | void format( Fmt * f ) { |
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9 | static void * states[] = {&&s0, &&s1}; |
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10 | goto *states[f->restart]; |
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11 | s0: f->restart = 1; |
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12 | for ( ;; ) { |
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13 | for ( f->g = 0; f->g < 5; f->g += 1 ) { // groups |
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14 | for ( f->b = 0; f->b < 4; f->b += 1 ) { // blocks |
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15 | return; |
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16 | s1: if ( f->ch == '\0' ) goto fini; // EOF ? |
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17 | while ( f->ch == '\n' ) return; // ignore |
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18 | // printf( "%c", f->ch ); // print character |
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19 | } |
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20 | // printf( " " ); // block separator |
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21 | } |
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22 | // printf( "\n" ); // group separator |
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23 | } |
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24 | fini:; |
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25 | // if ( f->g != 0 || f->b != 0 ) printf( "\n" ); |
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26 | } |
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27 | |
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28 | int main() { |
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29 | Fmt fmt = { 0 }; |
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30 | format( &fmt ); // prime |
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31 | fmt.ch = 'a'; |
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32 | for ( long int i = 0; i < 1000000000; i += 1 ) { |
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33 | // scanf( "%c", &fmt.ch ); // direct read into communication variable |
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34 | // if ( feof( stdin ) ) break; |
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35 | format( &fmt ); |
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36 | } |
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37 | fmt.ch = '\0'; // sentential (EOF) |
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38 | format( &fmt ); |
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39 | } |
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40 | |
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41 | // Local Variables: // |
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42 | // tab-width: 4 // |
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43 | // compile-command: "gcc-8 Format1.c" // |
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44 | // End: // |
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