summaryrefslogtreecommitdiff
path: root/release/src/router/busybox/libbb/copyfd.c
diff options
context:
space:
mode:
Diffstat (limited to 'release/src/router/busybox/libbb/copyfd.c')
-rw-r--r--release/src/router/busybox/libbb/copyfd.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/release/src/router/busybox/libbb/copyfd.c b/release/src/router/busybox/libbb/copyfd.c
new file mode 100644
index 00000000..aa938d10
--- /dev/null
+++ b/release/src/router/busybox/libbb/copyfd.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2001 Erik Andersen <andersee@debian.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 <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include "libbb.h"
+
+
+extern int copyfd(int fd1, int fd2)
+{
+ char buf[8192];
+ ssize_t nread, nwrote;
+
+ while (1) {
+ nread = safe_read(fd1, buf, sizeof(buf));
+ if (nread == 0)
+ break;
+ if (nread == -1) {
+ perror_msg("read");
+ return -1;
+ }
+
+ nwrote = full_write(fd2, buf, nread);
+ if (nwrote == -1) {
+ perror_msg("write");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/