1 files changed, 29 insertions, 0 deletions
diff --git a/common/bbs/names.c b/common/bbs/names.c
new file mode 100644
index 00000000..d96b3b3e
--- /dev/null
+++ b/common/bbs/names.c
@@ -0,0 +1,29 @@
+/* $Id$ */
+
+// #include "bbs.h"
+#include "cmbbs.h"
+#include <assert.h>
+// #include <stdio.h>
+// #include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int 
+is_validuserid(const char *id)
+{
+    int len, i;
+    if(id==NULL)
+	return 0;
+    len = strlen(id);
+
+    if (len < 2 || len>IDLEN)
+	return 0;
+
+    if (!isalpha(id[0]))
+	return 0;
+    for (i = 1; i < len; i++)
+	if (!isalnum(id[i]))
+	    return 0;
+    return 1;
+}
+