Define API_VERSION

src/api.c

@@ -602,8 +602,9 @@ static enum error api_cmd_auth(const char *uname, const char *pass,
     char buffer[API_BUFSIZE];
     long code;
     size_t res_len = api_send(buffer, snprintf(buffer, sizeof(buffer),
-                "AUTH user=%s&pass=%B&protover=3&client=caniadd&clientver="
-                PROG_VERSION "&enc=UTF-8", uname, pass), sizeof(buffer));
+                "AUTH user=%s&pass=%B&protover=" API_VERSION "&client=caniadd&"
+                "clientver=" PROG_VERSION "&enc=UTF-8", uname, pass),
+            sizeof(buffer));
     enum error err = NOERR;
 
     if (res_len == -1) {

src/api.h

@@ -5,6 +5,8 @@
 
 #include "error.h"
 
+#define API_VERSION "3"
+
 /* Maximum length of one response/request */
 #define API_BUFSIZE 1400
 /* Session key maximum size, including '\0' */