Incorrect warning about incompatible arguments

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1 total messages Started by Peter Montgomery Thu, 22 Sep 1988 04:11

#1684

Author: Peter Montgomery
Date: Thu, 22 Sep 1988 04:11

17 lines
950 bytes

/*
        On a SUN 3 at OS 4.0, GCC 1.28 warns "argument passing between
incompatible pointer types" for the call to mat_print.  The warning does
not appear if "const" is omitted from the declaration of mat_print.  GCC
1.26 did not give this warning.  The object code is correct, with or
without optimization.
*/

void mat_print(const int mat[2][2]) {
    printf("Matrix elements are %d %d %d %d\n", mat[0][0], mat[0][1],
						mat[1][0], mat[1][1]);
}
main()
{
    int a[2][2] = {10, 20, 30, 40};
    mat_print(a);
}

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