--- /dev/null
+--- ykpers-1.20.0/ykpers-json.c.orig 2019-02-19 13:29:54.000000000 +0100
++++ ykpers-1.20.0/ykpers-json.c 2020-05-01 21:45:21.661700644 +0200
+@@ -40,7 +40,7 @@
+ #define yk_json_object_object_get(obj, key, value) json_object_object_get_ex(obj, key, &value)
+ #else
+ typedef int json_bool;
+-#define yk_json_object_object_get(obj, key, value) (value = json_object_object_get(obj, key)) == NULL ? (json_bool)FALSE : (json_bool)TRUE
++#define yk_json_object_object_get(obj, key, value) (value = json_object_object_get(obj, key)) == NULL ? (json_bool)0 : (json_bool)1
+ #endif
+
+ static void set_json_value(struct map_st *p, int mode, json_object *options, YKP_CONFIG *cfg) {
+@@ -50,7 +50,7 @@
+ if(p->mode && (mode & p->mode) == mode) {
+ json_object *joption;
+ json_bool ret = yk_json_object_object_get(options, p->json_text, joption);
+- if(ret == TRUE && json_object_get_type(joption) == json_type_boolean) {
++ if(ret == 1 && json_object_get_type(joption) == json_type_boolean) {
+ int value = json_object_get_boolean(joption);
+ if(value == 1) {
+ p->setter(cfg, true);
+@@ -230,20 +230,20 @@
+ ykp_errno = YKP_EINVAL;
+ goto out;
+ }
+- if(yk_json_object_object_get(jobj, "yubiProdConfig", yprod_json) == FALSE) {
++ if(yk_json_object_object_get(jobj, "yubiProdConfig", yprod_json) == 0) {
+ ykp_errno = YKP_EINVAL;
+ goto out;
+ }
+- if(yk_json_object_object_get(yprod_json, "mode", jmode) == FALSE) {
++ if(yk_json_object_object_get(yprod_json, "mode", jmode) == 0) {
+ ykp_errno = YKP_EINVAL;
+ goto out;
+ }
+- if(yk_json_object_object_get(yprod_json, "options", options) == FALSE) {
++ if(yk_json_object_object_get(yprod_json, "options", options) == 0) {
+ ykp_errno = YKP_EINVAL;
+ goto out;
+ }
+
+- if(yk_json_object_object_get(yprod_json, "targetConfig", jtarget) == TRUE) {
++ if(yk_json_object_object_get(yprod_json, "targetConfig", jtarget) == 1) {
+ int target_config = json_object_get_int(jtarget);
+ int command;
+ if(target_config == 1) {
+@@ -275,13 +275,13 @@
+ if(mode == MODE_OATH_HOTP) {
+ json_object *jdigits, *jrandom;
+ ykp_set_tktflag_OATH_HOTP(cfg, true);
+- if(yk_json_object_object_get(options, "oathDigits", jdigits) == TRUE) {
++ if(yk_json_object_object_get(options, "oathDigits", jdigits) == 1) {
+ int digits = json_object_get_int(jdigits);
+ if(digits == 8) {
+ ykp_set_cfgflag_OATH_HOTP8(cfg, true);
+ }
+ }
+- if(yk_json_object_object_get(options, "randomSeed", jrandom) == TRUE) {
++ if(yk_json_object_object_get(options, "randomSeed", jrandom) == 1) {
+ int random = json_object_get_boolean(jrandom);
+ int seed = 0;
+ if(random == 1) {
+@@ -290,7 +290,7 @@
+ goto out;
+ } else {
+ json_object *jseed;
+- if(yk_json_object_object_get(options, "fixedSeedvalue", jseed) == TRUE) {
++ if(yk_json_object_object_get(options, "fixedSeedvalue", jseed) == 1) {
+ seed = json_object_get_int(jseed);
+ }
+ }