author | Markus Bröker <mbroeker@largo.dyndns.tv> |
Sat, 13 Dec 2008 17:58:06 +0100 | |
changeset 13 | 2640a7fd96ca |
parent 9 | c3fecc82ade6 |
child 20 | 5fec678f931b |
permissions | -rw-r--r-- |
0 | 1 |
/** |
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c3fecc82ade6
standard tags for git projects
Markus Bröker <mbroeker@largo.dyndns.tv>
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* test/demos/tree.c |
c3fecc82ade6
standard tags for git projects
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
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* Copyright (C) 2008 Markus Broeker |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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int compare (unsigned char *a, unsigned char *b) |
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{ |
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if (*a > *b) |
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return 1; |
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return -1; |
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} |
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int main (int argc, char **argv) |
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{ |
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int i; |
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int elements; |
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int fd; |
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unsigned char numbers[256] = { 0 }; |
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fd = open ("/dev/urandom", O_RDONLY); |
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if (fd == -1) |
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return EXIT_FAILURE; |
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elements = read (fd, numbers, 255); |
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numbers[elements] = 0; |
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qsort (numbers, elements, sizeof (unsigned char), (void *)&compare); |
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for (i = 0; i < elements; i++) { |
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printf ("Number: %d\n", numbers[i]); |
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} |
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close (fd); |
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96d16dfe787a
We use return EXIT_SUCCESS instead of return 0
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
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return EXIT_SUCCESS; |
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} |