1 files changed, 60 insertions, 0 deletions
diff --git a/busybox/libbb/full_write.c b/busybox/libbb/full_write.c
new file mode 100644
index 0000000..30de407
--- /dev/null
+++ b/busybox/libbb/full_write.c
@@ -0,0 +1,60 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "libbb.h"
+
+/*
+ * Write all of the supplied buffer out to a file.
+ * This does multiple writes as necessary.
+ * Returns the amount written, or -1 on an error.
+ */
+ssize_t bb_full_write(int fd, const void *buf, size_t len)
+{
+	ssize_t cc;
+	ssize_t total;
+
+	total = 0;
+
+	while (len > 0) {
+		cc = safe_write(fd, buf, len);
+
+		if (cc < 0)
+			return cc;		/* write() returns -1 on failure. */
+
+		total += cc;
+		buf = ((const char *)buf) + cc;
+		len -= cc;
+	}
+
+	return total;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/