mirror of git://gcc.gnu.org/git/gcc.git
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* PR tree-optimization/85259 - Missing -Wstringop-overflow= since r256683
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{ dg-do compile }
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{ dg-options "-O2 -Wstringop-overflow -ftrack-macro-expansion=0" } */
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#define bos1(p) __builtin_object_size (p, 1)
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#define strcat(d, s) __builtin___strcat_chk (d, s, bos1 (d))
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#define strcpy(d, s) __builtin___strcpy_chk (d, s, bos1 (d))
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char a1[1];
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char a2[2];
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char a3[3];
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char a4[4];
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char a5[5];
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char a6[6];
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char a7[7];
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char a8[8];
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/* Verify that at least one instance of -Wstringop-overflow is issued
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for each pair of strcpy/strcat calls. */
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void test_strcpy_strcat_1 (void)
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{
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strcpy (a1, "1"), strcat (a1, "2"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_2 (void)
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{
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strcpy (a2, "12"), strcat (a2, "3"); /* { dg-warning "\\\[-Wstringop-overflow=]" "bug 86121" { xfail *-*-* } } */
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}
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void test_strcpy_strcat_3 (void)
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{
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strcpy (a3, "123"), strcat (a3, "4"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_4 (void)
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{
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strcpy (a4, "1234"), strcat (a4, "5"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_5 (void)
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{
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strcpy (a5, "12345"), strcat (a5, "6"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_6 (void)
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{
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strcpy (a6, "123456"), strcat (a6, "7"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_7 (void)
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{
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strcpy (a7, "1234567"), strcat (a7, "8"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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void test_strcpy_strcat_8 (void)
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{
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strcpy (a8, "12345678"), strcat (a8, "9"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
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}
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