This commit is contained in:
Arnaud NGWALA NGWALA 2023-10-09 15:56:41 +02:00
parent d7a70d5d8c
commit 458013fe74

31
SCR3.1/TP3/diff.c Normal file
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#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