回答編集履歴
5
誤記修正
test
CHANGED
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@@ -56,8 +56,6 @@
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56
56
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57
57
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}
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58
58
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59
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-
*cp = '\0';
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60
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-
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61
59
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}
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62
60
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63
61
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4
ソース修正
test
CHANGED
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@@ -44,23 +44,27 @@
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44
44
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45
45
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46
46
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47
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-
static void mem_set(unsigned char *
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47
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+
static void mem_set(unsigned char *p, size_t n, unsigned char v)
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48
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49
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{
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48
50
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49
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unsigned char *cp = p;
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50
52
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51
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-
while (n--){
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53
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while (n--) {
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52
54
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53
55
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*cp++ = v;
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54
56
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55
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-
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57
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}
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56
58
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57
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-
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59
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*cp = '\0';
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58
60
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}
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62
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61
63
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62
64
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63
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-
int main()
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65
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int main(void)
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66
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67
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{
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64
68
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65
69
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size_t n;
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66
70
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@@ -78,6 +82,12 @@
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78
82
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79
83
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}
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80
84
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85
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delete[] xp;
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86
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87
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//
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88
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89
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return 0;
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90
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81
91
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}
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82
92
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83
93
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usr ~/Project/test %
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3
ソース追記
test
CHANGED
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@@ -3,3 +3,83 @@
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3
3
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4
4
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5
5
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void*には対象のサイズがありません、必要なタイプ(e.g. unsigned char*)にキャストして使いましょう。
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6
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7
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8
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9
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[追記]・・・意図した結果かどうか？
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10
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11
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```text
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12
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13
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usr ~/Project/test % ./a.out
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14
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15
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total index: 10
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16
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17
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xp[0] = AAAAAAAAAA, A
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18
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19
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xp[1] = AAAAAAAAA, A
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20
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21
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xp[2] = AAAAAAAA, A
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22
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23
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xp[3] = AAAAAAA, A
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24
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25
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xp[4] = AAAAAA, A
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26
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27
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xp[5] = AAAAA, A
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28
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29
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xp[6] = AAAA, A
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30
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31
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xp[7] = AAA, A
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32
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33
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xp[8] = AA, A
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34
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35
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xp[9] = A, A
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36
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37
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usr ~/Project/test % cat t1.cpp
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38
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39
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#include <iostream>
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40
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41
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#include <cstdlib>
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42
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43
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using namespace std;
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44
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45
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46
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47
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static void mem_set(unsigned char * p, size_t n, unsigned char v){
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48
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49
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unsigned char *cp = p;
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50
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+
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51
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while (n--){
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52
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53
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*cp++ = v;
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54
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+
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55
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}
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56
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+
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57
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*cp = '\0';
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58
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+
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59
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}
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60
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+
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61
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+
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62
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+
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63
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int main(){
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64
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+
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65
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size_t n;
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66
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67
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cout << "total index: ";
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68
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69
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cin >> n;
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70
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71
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unsigned char *xp = new unsigned char[n];
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72
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73
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mem_set(xp, n, 'A');
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74
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+
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75
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+
for (size_t i = 0; i < n; i++) {
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76
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+
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77
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+
cout << "xp[" << i << "] = " << xp + i << ", " << *(xp + i) << endl;
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78
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+
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79
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}
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80
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+
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81
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+
}
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82
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+
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83
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+
usr ~/Project/test %
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84
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+
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85
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+
```
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2
誤記修正
test
CHANGED
|
@@ -2,4 +2,4 @@
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2
2
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3
3
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4
4
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5
|
-
void*には対象のサイズがありません、必要なタイプ(e.g.in
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5
|
+
void*には対象のサイズがありません、必要なタイプ(e.g. unsigned char*)にキャストして使いましょう。
|
1
誤記修正
test
CHANGED
|
@@ -2,4 +2,4 @@
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2
2
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3
3
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4
4
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5
|
-
void*には対象のサイズがありません、必要なタイプ(e.
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5
|
+
void*には対象のサイズがありません、必要なタイプ(e.g.int*)にキャストして使いましょう。
|