Update 'ASR3.1/TP02 Fichier/copy2.c'

ASR3.1/TP02 Fichier/copy2.c

@@ -1,33 +1,36 @@
-#include <stdio.h>
 #include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <unistd.h>
 
-int main(int argc, char *argv[]) {
+#define N 1
 
-	FILE *fileIn, *fileOut;
-	int val;
-	char ch;
 
-	if (argc!=3) {
+int main(int argc, char const *argv[]) {
-    		printf("Il me faut deux noms de fichiers\n");
+	
-    		return EXIT_FAILURE;
+	int fIn, fOut;
-	}
+	char buff [N];
-	if ((fileIn= fopen(argv[1], "r")) == NULL) {
+
-     		printf("Je ne peux pas ouvrir %s \n", argv[1]);
+	fIn = open (argv[1], O_RDONLY);
-     		return EXIT_FAILURE;
+	assert (fIn >= 0);
-	}
+
-	if ((fileOut= fopen(argv[2], "w")) == NULL) {
+	fOut = open (argv[2	], O_WRONLY | O_CREAT, 0600);
-     		printf("Je ne peux pas ouvrir %s\n", argv[2]);
+	assert (fOut >=0);
-     		return EXIT_FAILURE;
+
+	while (1){
+		ssize_t nbRead = read (fIn, buff, N);
+
+		if (nbRead <=0) {
+			break;
+		} else {
+			write (fOut, buff, N);
+		}
+
 	}
 
-	while ((val=fgetc(fileIn)) !=EOF) {
+	close (fIn);
-		printf("%d ", val);
+	close (fOut);
-		fputc(val, fileOut);
+
-                ch = val; 
-                printf("%d\n", ch);
-	}
 	
-	fclose(fileIn);
-	fclose(fileOut);
-	return EXIT_SUCCESS;
 }