.

Fichiers/ex1/copy_sys.c

@@ -0,0 +1,35 @@
+#include <fcntl.h>
+#include <unistd.h>
+#include <assert.h>
+
+#define BLOCK_SIZE 1
+
+
+int main(int argc, char *argv[])
+{
+	int fin,
+		fout;
+	char buf[BLOCK_SIZE];
+
+	assert( argc == 3 );
+
+	fin = open(argv[1],O_RDONLY);
+	assert( fin >= 0 );
+
+	fout = open(argv[2],O_CREAT|O_WRONLY|O_TRUNC,0600);
+	assert( fout >= 0 );
+
+	while(1){
+		ssize_t nb_read; 
+		nb_read = read(fin,buf,BLOCK_SIZE);
+		if (nb_read <= 0)
+			break;
+		write(fout,buf,nb_read);
+	}
+
+	close(fin);
+	close(fout);
+
+	return 0;
+}
+