[SP/P02] Solved exercises from second practice

1 files changed, 32 insertions, 0 deletions

diff --git a/Year 3/System programming/Practice02/ex1-2.c b/Year 3/System programming/Practice02/ex1-2.c
new file mode 100644
index 0000000..ef98a27
--- /dev/null
+++ b/Year 3/System programming/Practice02/ex1-2.c
@@ -0,0 +1,32 @@
+#include <fcntl.h> // open, close, O_RDONLY
+#include <unistd.h> // read
+#include <stdio.h> // printf, perror
+
+int main(int argc, char* argv[]) {
+	int f1 = open(argv[1], O_RDONLY);
+	if (f1 < 0) {
+		perror("open");
+		return 1;
+	}
+
+	int f2 = dup(f1);
+	if (f2 < 0) {
+		perror("dup");
+		return 2;
+	}
+
+	int readTimes = 10; // няколко пъти
+	char buf1, buf2;
+	while (readTimes > 0 && read(f1, &buf1, 1) && read(f2, &buf2, 1)) {
+		printf("%c%c", buf1, buf2);
+		readTimes--;
+	}
+
+	close(f1);
+
+	while (read(f2, &buf2, 1)) {
+		printf("%c", buf2);
+	}
+
+	close(f2);
+}