108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/**
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* @file shellOpt.c
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* @author rick <rick@gnous.eu>
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* @date 2021
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*/
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#include "parser.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/wait.h>
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int main()
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{
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int pid;
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char *args[MAX_LENGTH];
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char *command[MAX_LENGTH];
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int my_pipe[2];
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if (pipe(my_pipe) == -1)
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{
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printf("erreur pipe");
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return 1;
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}
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for (int i = 0; i < MAX_LENGTH; i++)
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{
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args[i] = (char *) calloc(MAX_LENGTH, sizeof(char));
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command[i] = (char *) calloc(MAX_LENGTH, sizeof(char));
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}
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get_command(args, '|');
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int index = 0;
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while (strcmp(args[0], "exit"))
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{
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while (args[index] != NULL)
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{
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if (strncmp(args[index], "cd", 2))
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{
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pid = fork();
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if (!pid)
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{
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parse_string(args[index], command, ' ');
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if (args[1] != NULL)
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{
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if (args[index+1] == NULL)
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dup2(my_pipe[0], STDIN_FILENO);
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else if (index == 0)
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dup2(my_pipe[1], STDOUT_FILENO);
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/*else {
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dup2(my_pipe[0], STDIN_FILENO);
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dup2(my_pipe[1], STDOUT_FILENO);
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}*/
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close(my_pipe[0]);
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close(my_pipe[1]);
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}
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execvp(command[0], command);
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return 0;
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}
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else
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{
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if (args[index + 1] == NULL)
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{
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close(my_pipe[1]);
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close(my_pipe[0]);
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waitpid(pid, NULL, 0);
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}
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}
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}
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else
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{
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parse_string(args[index], command, ' ');
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execvp(command[0], command);
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for (int i = 0; i < MAX_LENGTH; i++)
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{
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free(command[i]);
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command[i] = (char *) calloc(MAX_LENGTH, sizeof(char));
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}
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}
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index++;
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}
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for (int i = 0; i < MAX_LENGTH; i++)
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{
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free(args[i]);
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free(command[i]);
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args[i] = (char *) calloc(MAX_LENGTH, sizeof(char));
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command[i] = (char *) calloc(MAX_LENGTH, sizeof(char));
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}
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get_command(args, '|');
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if (pipe(my_pipe) == -1)
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{
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printf("erreur sur le pipe");
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return 1;
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}
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index = 0;
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}
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for (int i = 0; i < MAX_LENGTH; i++)
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{
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free(command[i]);
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free(args[i]);
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}
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return 0;
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}
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