1 files changed, 43 insertions, 0 deletions
diff --git a/dpid/dpid_common.c b/dpid/dpid_common.c
new file mode 100644
index 00000000..a04d9c4f
--- /dev/null
+++ b/dpid/dpid_common.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "dpid_common.h"
+
+/*
+ * Send a verbose error message.
+ */
+void errmsg(char *caller, char *called, int errornum, char *file, int line)
+{
+   MSG_ERR("%s:%d: %s: %s\n", file, line, caller, called);
+   if (errornum > 0)
+      MSG_ERR("%s\n", dStrerror(errornum));
+}
+
+/*! Selector function for scandir
+ * Do not scan files starting with '.'
+ */
+int no_dotfiles(const struct dirent *filedat)
+{
+   if (filedat->d_name[0] == '.')
+      return 0;
+   else
+      return 1;
+}
+
+/*!
+ * Provides an error checked write command.
+ * Call this via the CKD_WRITE macro
+ * \return write return value
+ */
+ssize_t ckd_write(int fd, char *msg, char *file, int line)
+{
+   ssize_t ret;
+
+   do {
+      ret = write(fd, msg, strlen(msg));
+   } while (ret == -1 && errno == EINTR);
+   if (ret == -1) {
+      MSG_ERR("%s:%d: write: %s\n", file, line, dStrerror(errno));
+   }
+   return (ret);
+}