exo2

Exemples/04-Exec/exo2TDgr1.c

@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <string.h> 
+
+int main(int argc, char *argv[]) {
+	pid_t pid;
+	int nb_pipe = 0;
+	int valDei;
+	char *argument[10];
+	
+	if (argc <= 1) {
+		perror("pas le bon nb argument");
+		exit(0);
+	}
+	
+	if (argc >= 10) {
+		perror("trop d'arguments");
+		exit(0);
+	}
+	
+	for (int i = 0; i < argc; i++) {
+		argument[i] = argv[i+1];
+		if (strcmp(argument[i],"|") == 0) {
+			argument[i] = NULL;
+			valDei = i+1;
+			nb_pipe = 1;
+		}
+	}
+	argument[argc-1] = NULL;
+	
+	pid = fork();
+	
+	if (pid == 0) {
+		if (execvp(argv[1], argument) == -1)
+			{ 
+				perror("dans le exec");
+				exit (0);
+			}
+		if (nb_pipe > 0) {
+			if (execvp(argument[valDei], &argument[valDei]) == -1) { 
+				perror("dans le exec");
+				exit (0);
+			}
+		}
+		
+	} else {
+		wait(NULL);
+	}
+	return EXIT_SUCCESS;
+}