kike: silence an annoying build warning

1 files changed, 22 insertions, 13 deletions

diff --git a/kike.c b/kike.c
index b886427..1708d2c 100644
--- a/kike.c
+++ b/kike.c
@@ -3680,26 +3680,35 @@ irc_initialize_motd (struct server_context *ctx, struct error **e)
 	return true;
 }
 
+static bool
+irc_parse_config_unsigned (const char *name, const char *value, unsigned *out,
+	unsigned long min, unsigned long max, struct error **e)
+{
+	unsigned long ul;
+	hard_assert (value != NULL);
+	if (!xstrtoul (&ul, value, 10) || ul > max || ul < min)
+	{
+		error_set (e, "invalid configuration value for `%s': %s",
+			name, "the number is invalid or out of range");
+		return false;
+	}
+	*out = ul;
+	return true;
+}
+
 /// This function handles values that require validation before their first use,
 /// or some kind of a transformation (such as conversion to an integer) needs
 /// to be done before they can be used directly.
 static bool
 irc_parse_config (struct server_context *ctx, struct error **e)
 {
-	unsigned long ul;
 #define PARSE_UNSIGNED(name, min, max)                                         \
-	const char *name = str_map_find (&ctx->config, #name);                     \
-	hard_assert (name != NULL);                                                \
-	if (!xstrtoul (&ul, name, 10) || ul > max || ul < min)                     \
-	{                                                                          \
-		error_set (e, "invalid configuration value for `%s': %s",              \
-			#name, "the number is invalid or out of range");                   \
-		return false;                                                          \
-	}                                                                          \
-	ctx->name = ul
-
-	PARSE_UNSIGNED (ping_interval,   1, UINT_MAX);
-	PARSE_UNSIGNED (max_connections, 0, UINT_MAX);
+	irc_parse_config_unsigned (#name, str_map_find (&ctx->config, #name),      \
+		&ctx->name, min, max, e)
+
+	if (!PARSE_UNSIGNED (ping_interval,   1, UINT_MAX)
+	 || !PARSE_UNSIGNED (max_connections, 0, UINT_MAX))
+		return false;
 
 	bool result = true;
 	struct strv fingerprints = strv_make ();