Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/Wsizeof-pointer-div.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* Test -Wsizeof-pointer-div warnings. */ /* { dg-do compile } */ /* { dg-options "-Wall" } */ int f1 (int *array) { int i; i = sizeof array / sizeof *array; /* { dg-warning "does not compute the number of array elements" } */ i += sizeof array / sizeof array[0]; /* { dg-warning "does not compute the number of array elements" } */ i += sizeof(array) / sizeof(*array); /* { dg-warning "does not compute the number of array elements" } */ i += sizeof(array) / sizeof(array[0]); /* { dg-warning "does not compute the number of array elements" } */ i += (sizeof(array)) / (sizeof(array[0])); /* { dg-warning "does not compute the number of array elements" } */ i += sizeof(array) / sizeof(int); /* { dg-warning "does not compute the number of array elements" } */ i += sizeof(array) / sizeof(char); i += sizeof(*array) / sizeof(char); i += sizeof(array[0]) / sizeof(char); return i; } int f2 (void) { int array[10]; int i; i = sizeof array / sizeof *array; i += sizeof array / sizeof array[0]; i += sizeof(array) / sizeof(*array); i += sizeof(array) / sizeof(array[0]); i += (sizeof(array)) / (sizeof(array[0])); i += sizeof(array) / sizeof(int); i += sizeof(array) / sizeof(char); i += sizeof(*array) / sizeof(char); i += sizeof(array[0]) / sizeof(char); return i; } int f3 (int a[]) { return sizeof a / sizeof *a; /* { dg-warning "Wsizeof-array-argument" } */ }