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annotate gcc/testsuite/g++.dg/warn/Wmemset-transposed-args-1.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 // { dg-do compile }
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2 // { dg-options "-Wall" }
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3
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4 typedef __SIZE_TYPE__ size_t;
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5 extern "C" void *memset (void *, int, size_t);
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6 char buf[1024];
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7 namespace std
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8 {
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9 extern "C" void *memset (void *, int, size_t);
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10 }
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11
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12 template <int N>
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13 void
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14 foo ()
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15 {
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16 memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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17 memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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18 memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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19 memset (buf, sizeof buf, N);
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20 memset (buf, 1, 1 - 1);
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21 memset (buf, 1, 0 - 0);
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22 memset (buf, 1, N - N);
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23 memset (buf, 0, 0);
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24 memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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25 memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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26 memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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27 memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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28 memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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29 memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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30 memset (buf, sizeof buf, (int) 0);
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31 memset (buf, sizeof buf, -0);
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32 }
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33
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34 template <int N>
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35 void
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36 baz ()
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37 {
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38 std::memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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39 std::memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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40 std::memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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41 std::memset (buf, sizeof buf, N);
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42 std::memset (buf, 1, 1 - 1);
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43 std::memset (buf, 1, 0 - 0);
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44 std::memset (buf, 1, N - N);
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45 std::memset (buf, 0, 0);
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46 std::memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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47 std::memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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48 std::memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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49 std::memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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50 std::memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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51 std::memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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52 std::memset (buf, sizeof buf, (int) 0);
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53 std::memset (buf, sizeof buf, -0);
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54 }
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55
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56 void
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57 bar ()
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58 {
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59 foo<0> ();
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60 std::memset (buf, sizeof buf, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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61 std::memset (buf, sizeof buf, '\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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62 std::memset (buf, sizeof buf, L'\0'); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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63 std::memset (buf, 1, 1 - 1);
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64 std::memset (buf, 1, 0 - 0);
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65 std::memset (buf, 0, 0);
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66 std::memset (buf, 1 - 1, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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67 std::memset (buf, 0 - 0, 0); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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68 std::memset (buf, sizeof buf, 0L); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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69 std::memset (buf, sizeof buf, 0UL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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70 std::memset (buf, sizeof buf, 0LL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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71 std::memset (buf, sizeof buf, 0ULL); /* { dg-warning ".memset. used with constant zero length parameter; this could be due to transposed parameters" } */
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72 std::memset (buf, sizeof buf, (int) 0);
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73 std::memset (buf, sizeof buf, -0);
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74 }