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comparison gcc/testsuite/gcc.dg/Wstringop-overflow-5.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* PR tree-optimization/85259 - Missing -Wstringop-overflow= since r256683
2 { dg-do compile }
3 { dg-options "-O2 -Wstringop-overflow" } */
4
5 extern char* strcpy (char*, const char*);
6 extern char* strcat (char*, const char*);
7
8 char a1[1];
9 char a2[2];
10 char a3[3];
11 char a4[4];
12 char a5[5];
13 char a6[6];
14 char a7[7];
15 char a8[8];
16
17 /* Verify that at least one instance of -Wstringop-overflow is issued
18 for each pair of strcpy/strcat calls. */
19
20 void test_strcpy_strcat_1 (void)
21 {
22 strcpy (a1, "1"), strcat (a1, "2"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
23 }
24
25 void test_strcpy_strcat_2 (void)
26 {
27 strcpy (a2, "12"), strcat (a2, "3"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
28 }
29
30 void test_strcpy_strcat_3 (void)
31 {
32 strcpy (a3, "123"), strcat (a3, "4"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
33 }
34
35 void test_strcpy_strcat_4 (void)
36 {
37 strcpy (a4, "1234"), strcat (a4, "5"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
38 }
39
40 void test_strcpy_strcat_5 (void)
41 {
42 strcpy (a5, "12345"), strcat (a5, "6"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
43 }
44
45 void test_strcpy_strcat_6 (void)
46 {
47 strcpy (a6, "123456"), strcat (a6, "7"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
48 }
49
50 void test_strcpy_strcat_7 (void)
51 {
52 strcpy (a7, "1234567"), strcat (a7, "8"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
53 }
54
55 void test_strcpy_strcat_8 (void)
56 {
57 strcpy (a8, "12345678"), strcat (a8, "9"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */
58 }