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