Finish video player

1 files changed, 30 insertions, 0 deletions

diff --git a/video_player/include/Utils.hpp b/video_player/include/Utils.hpp
new file mode 100644
index 0000000..a5219f4
--- /dev/null
+++ b/video_player/include/Utils.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <unistd.h>
+#include <errno.h>
+
+static ssize_t read_eintr(int fd, void *buffer, size_t size) {
+    while(true) {
+        ssize_t bytes_read = read(fd, buffer, size);
+        if(bytes_read == -1) {
+            if(errno != EINTR)
+                return -1;
+        } else {
+            return bytes_read;
+        }
+    }
+}
+
+static ssize_t write_all(int fd, const void *buffer, size_t size) {
+    ssize_t bytes_written = 0;
+    while((size_t)bytes_written < size) {
+        ssize_t written = write(fd, (char*)buffer + bytes_written, size - bytes_written);
+        if(written == -1) {
+            if(errno != EINTR)
+                return -1;
+        } else {
+            bytes_written += written;
+        }
+    }
+    return bytes_written;
+}
\ No newline at end of file