From e085625f099ce8cf39be512b411d7032fc9af219 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 28 Sep 2022 11:35:47 +0200
Subject: [PATCH] json: add dispatchers for 16bit integers

---
 src/shared/json.c | 30 ++++++++++++++++++++++++++++++
 src/shared/json.h |  2 ++
 2 files changed, 32 insertions(+)

diff --git a/src/shared/json.c b/src/shared/json.c
index 44a1838a7d..87e87091b0 100644
--- a/src/shared/json.c
+++ b/src/shared/json.c
@@ -4404,6 +4404,36 @@ int json_dispatch_int32(const char *name, JsonVariant *variant, JsonDispatchFlag
         return 0;
 }
 
+int json_dispatch_int16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) {
+        int16_t *i = ASSERT_PTR(userdata);
+
+        assert(variant);
+
+        if (!json_variant_is_integer(variant))
+                return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "JSON field '%s' is not an integer.", strna(name));
+
+        if (json_variant_integer(variant) < INT16_MIN || json_variant_integer(variant) > INT16_MAX)
+                return json_log(variant, flags, SYNTHETIC_ERRNO(ERANGE), "JSON field '%s' out of bounds.", strna(name));
+
+        *i = (int16_t) json_variant_integer(variant);
+        return 0;
+}
+
+int json_dispatch_uint16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) {
+        uint16_t *i = ASSERT_PTR(userdata);
+
+        assert(variant);
+
+        if (!json_variant_is_unsigned(variant))
+                return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "JSON field '%s' is not an unsigned integer.", strna(name));
+
+        if (json_variant_unsigned(variant) > UINT16_MAX)
+                return json_log(variant, flags, SYNTHETIC_ERRNO(ERANGE), "JSON field '%s' out of bounds.", strna(name));
+
+        *i = (uint16_t) json_variant_unsigned(variant);
+        return 0;
+}
+
 int json_dispatch_string(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) {
         char **s = ASSERT_PTR(userdata);
         int r;
diff --git a/src/shared/json.h b/src/shared/json.h
index c75dfe8741..06311cbf4b 100644
--- a/src/shared/json.h
+++ b/src/shared/json.h
@@ -369,6 +369,8 @@ int json_dispatch_int64(const char *name, JsonVariant *variant, JsonDispatchFlag
 int json_dispatch_uint64(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
 int json_dispatch_uint32(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
 int json_dispatch_int32(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_uint16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_int16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
 int json_dispatch_uid_gid(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
 int json_dispatch_user_group_name(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
 int json_dispatch_id128(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);