TP3

SCR3.1/TP3/diff.c

@@ -0,0 +1,31 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wait.h>
+#include <fcntl.h>
+de
+
+int main(int argc, char **argv){
+	if (argc != 3){
+		printf("Usage : %s <FILE1> <FILE2> | This program compares two files and is able to detect if they are different or same\n", argv[0]);
+		return EXIT_FAILURE;
+	}
+	pid_t p;
+	int fd1, fd2;
+	char buf[BUF_SIZE];
+	fd1 = open(argv[1], O_RDONLY);
+	fd2 = open(argv[2], O_RDONLY);
+	if (fd1 == -1 || fd2 == -1){
+		perror("Error while opening files");
+		return EXIT_FAILURE;
+	}
+	p = fork();
+	switch(p){
+		case -1:
+			perror("Error while creating a new process");
+			return EXIT_FAILURE;
+		case 0:
+			while(read
+