Moved ioall.c file to "common"

common/ioall.c

@@ -0,0 +1,61 @@
+/*
+ * The Qubes OS Project, http://www.qubes-os.org
+ *
+ * Copyright (C) 2010  Rafal Wojtczuk  <rafal@invisiblethingslab.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+
+int write_all(int fd, void *buf, int size)
+{
+	int written = 0;
+	int ret;
+	while (written < size) {
+		ret = write(fd, (char *) buf + written, size - written);
+		if (ret <= 0) {
+			perror("write");
+			return 0;
+		}
+		written += ret;
+	}
+//      fprintf(stderr, "sent %d bytes\n", size);
+	return 1;
+}
+
+int read_all(int fd, void *buf, int size)
+{
+	int got_read = 0;
+	int ret;
+	while (got_read < size) {
+		ret = read(fd, (char *) buf + got_read, size - got_read);
+		if (ret == 0) {
+			fprintf(stderr, "EOF\n");
+			return 0;
+		}
+		if (ret < 0) {
+			perror("read");
+			return 0;
+		}
+		got_read += ret;
+	}
+//      fprintf(stderr, "read %d bytes\n", size);
+	return 1;
+}

common/ioall.h

@@ -0,0 +1,2 @@
+int write_all(int fd, void *buf, int size);
+int read_all(int fd, void *buf, int size);