| /* PR tree-optimization/85259 - Missing -Wstringop-overflow= since r256683 |
| { dg-do compile } |
| { dg-options "-O2 -Wstringop-overflow -ftrack-macro-expansion=0" } */ |
| |
| #define bos1(p) __builtin_object_size (p, 1) |
| #define strcat(d, s) __builtin___strcat_chk (d, s, bos1 (d)) |
| #define strcpy(d, s) __builtin___strcpy_chk (d, s, bos1 (d)) |
| |
| char a1[1]; |
| char a2[2]; |
| char a3[3]; |
| char a4[4]; |
| char a5[5]; |
| char a6[6]; |
| char a7[7]; |
| char a8[8]; |
| |
| /* Verify that at least one instance of -Wstringop-overflow is issued |
| for each pair of strcpy/strcat calls. */ |
| |
| void test_strcpy_strcat_1 (void) |
| { |
| strcpy (a1, "1"), strcat (a1, "2"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_2 (void) |
| { |
| strcpy (a2, "12"), strcat (a2, "3"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_3 (void) |
| { |
| strcpy (a3, "123"), strcat (a3, "4"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_4 (void) |
| { |
| strcpy (a4, "1234"), strcat (a4, "5"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_5 (void) |
| { |
| strcpy (a5, "12345"), strcat (a5, "6"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_6 (void) |
| { |
| strcpy (a6, "123456"), strcat (a6, "7"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_7 (void) |
| { |
| strcpy (a7, "1234567"), strcat (a7, "8"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |
| |
| void test_strcpy_strcat_8 (void) |
| { |
| strcpy (a8, "12345678"), strcat (a8, "9"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ |
| } |