質問編集履歴
2
修正後のコード追加
title
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File without changes
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body
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@@ -48,4 +48,46 @@
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48
48
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49
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return 0;
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50
50
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}
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51
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```
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52
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53
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###execvpに変更後のソースコード
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54
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```C
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55
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#include <stdio.h>
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56
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#include <unistd.h>
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57
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#include <string.h>
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58
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#include <sys/wait.h>
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59
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#define S 1000
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60
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+
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61
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int main(int argc, char *argv[]){
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62
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char* token[S];
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63
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char usrin[S];
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64
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int pid, status, count;
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65
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66
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67
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printf(">>");
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68
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fgets(usrin, sizeof(usrin), stdin);
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69
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usrin[strlen(usrin)-1] = '\0';
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70
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71
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72
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token[0] = strtok(usrin, " ");
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73
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for(count=1; count<S; ++count){
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74
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token[count] = strtok(NULL, " ");
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75
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if(token[count]==NULL)
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76
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break;
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77
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}
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78
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79
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80
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pid = fork();
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81
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82
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if(pid==0){ /* token[0] => ls, token[1] => NULL */
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83
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execvp(token[0], token);
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84
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}
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85
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else {
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86
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wait(&status);
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87
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88
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}
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89
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90
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return 0;
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91
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}
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92
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+
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51
93
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```
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1
質問訂正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -38,6 +38,7 @@
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38
38
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pid = fork();
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39
39
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40
40
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if(pid==0){
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41
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/* この時点で入力がlsの場合 token[0]="/usr/bin/ls" token[1]=NULLを確認済 */
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41
42
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execv(token[0], token);
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42
43
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}
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43
44
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else {
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