1 files changed, 60 insertions, 0 deletions
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c
new file mode 100644
index 000000000..3c657dd06
--- /dev/null
+++ b/libbb/copy_file_chunk.c
@@ -0,0 +1,60 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * 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
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Copy chunksize bytes between two file descriptors
+ */
+int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
+{
+        size_t size;
+        char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
+
+        while (chunksize > 0) {
+                if (chunksize > BUFSIZ)
+                        size = BUFSIZ;
+                else
+                        size = chunksize;
+                if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
+                        return(FALSE);
+                chunksize -= size;
+        }
+        return (TRUE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/