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annotate gcc/testsuite/gcc.dg/nonnull-4.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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111
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1 /* PR c/78673 - sprintf missing attribute nonnull on destination argument
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2 Test to verify that calls to user-defined functions declared with
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3 the "nonnull" function attribute are diagnosed. */
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4 /* { dg-do compile } */
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5 /* { dg-options "-O2 -Wnonnull" } */
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6
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7 #define N(...) __attribute__ ((nonnull (__VA_ARGS__)))
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8
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9 void N (1) f1_1 (void*);
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10
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11 void N (1) f2_1 (void*, void*);
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12 void N (1) N (2) f2_1_2 (void*, void*);
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13
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14 void N (1) N (3) f3_1_3 (void*, void*, void*);
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15
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16 void N (1, 2) N (4) g4_1_2_4 (void*, void*, void*, void*);
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17 void N (1, 3) N (4) g4_1_3_4 (void*, void*, void*, void*);
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18 void N (2, 3, 4) g4_2_3_4 (void*, void*, void*, void*);
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19
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20 void N () g4_all (void*, void*, void*, void*);
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21
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22 void N (1, 3, 5, 7, 11, 13)
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23 g16_1_3_5_7_11_13 (void*, void*, void*, void*,
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24 void*, void*, void*, void*,
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25 void*, void*, void*, void*,
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26 void*, void*, void*, void*);
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27
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28 void* null (void) { return 0; }
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29
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30 void test (void)
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31 {
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32 void *p0 = null ();
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33 void *px = &px;
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34
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35 f1_1 (p0); /* { dg-warning "argument 1 null where non-null expected " } */
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36 f1_1 (px);
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37
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38 f2_1 (p0, px); /* { dg-warning "argument 1 null" } */
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39 f2_1 (px, p0);
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40 f2_1 (p0, p0); /* { dg-warning "argument 1 null" } */
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41
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42 f2_1_2 (p0, px); /* { dg-warning "argument 1 null" } */
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43 f2_1_2 (px, p0); /* { dg-warning "argument 2 null" } */
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44 f2_1_2 (p0, p0); /* { dg-warning "argument 1 null" } */
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45 /* { dg-warning "argument 2 null" "argument 2" { target *-*-* } .-1 } */
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46
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47 f3_1_3 (p0, px, px); /* { dg-warning "argument 1 null" } */
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48 f3_1_3 (px, p0, px);
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49 f3_1_3 (px, px, p0); /* { dg-warning "argument 3 null" } */
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50 f3_1_3 (p0, p0, px); /* { dg-warning "argument 1 null" } */
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51 f3_1_3 (px, p0, p0); /* { dg-warning "argument 3 null" } */
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52 f3_1_3 (p0, p0, p0); /* { dg-warning "argument 1 null" } */
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53 /* { dg-warning "argument 3 null" "argument 3" { target *-*-* } .-1 } */
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54
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55 g4_1_2_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */
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56 g4_1_2_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */
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57 g4_1_2_4 (px, px, p0, px);
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58 g4_1_2_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
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59
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60 g4_1_3_4 (p0, px, px, px); /* { dg-warning "argument 1 null" } */
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61 g4_1_3_4 (px, p0, px, px);
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62 g4_1_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */
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63 g4_1_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
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64
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65 g4_2_3_4 (p0, px, px, px);
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66 g4_2_3_4 (px, p0, px, px); /* { dg-warning "argument 2 null" } */
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67 g4_2_3_4 (px, px, p0, px); /* { dg-warning "argument 3 null" } */
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68 g4_2_3_4 (px, px, px, p0); /* { dg-warning "argument 4 null" } */
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69
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70 g4_all (p0, px, px, px); /* { dg-warning "argument 1 null" } */
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71 g4_all (px, p0, px, px); /* { dg-warning "argument 2 null" } */
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72 g4_all (px, px, p0, px); /* { dg-warning "argument 3 null" } */
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73 g4_all (px, px, px, p0); /* { dg-warning "argument 4 null" } */
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74
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75 g16_1_3_5_7_11_13 (px, px, px, px, px, px, px, px,
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76 px, px, px, px, px, px, px, px);
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77
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78 g16_1_3_5_7_11_13 (px, p0, px, p0, px, p0, px, p0, p0, p0, px, p0, p0, p0, p0, p0); /* { dg-warning "argument 13 null" } */
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79 }