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-rw-r--r--eth-multiplexer/multiplexer.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/eth-multiplexer/multiplexer.c b/eth-multiplexer/multiplexer.c
index 1d0b7ed5..3ea1408c 100644
--- a/eth-multiplexer/multiplexer.c
+++ b/eth-multiplexer/multiplexer.c
@@ -26,6 +26,7 @@
* to the right pfinet.
*/
+#include <argz.h>
#include <argp.h>
#include <errno.h>
#include <error.h>
@@ -187,3 +188,19 @@ main (int argc, char *argv[])
netfs_server_loop (); /* Never returns. */
return 0;
}
+
+error_t
+netfs_append_args (char **argz, size_t *argz_len)
+{
+ error_t err = 0;
+
+#define ADD_OPT(fmt, args...) \
+ do { char buf[100]; \
+ if (! err) { \
+ snprintf (buf, sizeof buf, fmt , ##args); \
+ err = argz_add (argz, argz_len, buf); } } while (0)
+ if (device_file)
+ ADD_OPT ("--interface=%s", device_file);
+#undef ADD_OPT
+ return err;
+}