1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <stdio.h>
#include <stdlib.h>
#include <assert.h>
void swap_wrong(int n1, int n2) { // WRONG
int temp = n1;
n1 = n2;
n2 = n1;
}
int main(int argc, char* argv[]) {
int a = 5;
int b = 7;
printf("a == %d b == %d // before calling swap(…)\n", a, b);
swap_wrong(a, b);
printf("a == %d b == %d // before calling swap(…)\n", a, b);
assert(a == 7);
assert(b == 5);
// Program will stop executing if conditions are false.
// Use assert(…) only to check for BUGS in YOUR CODE,
// i.e., things that must be true unless your code is BUGGY.
// Do not use assert(…) to check for existance of files,
// or appropriateness of parameters passed by other people's code.
return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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