main.conf: Fix parsing of uint32_t values

Passing UINT32_MAX as int may overfollow causing errors such as:

bluetoothd[2688495]: src/main.c:parse_config_int()
General.TemporaryTimeout = 60 is out of range (> -1)

Fixes: https://github.com/bluez/bluez/issues/583#issuecomment-1713447461

1 files changed, 7 insertions, 5 deletions

diff --git a/src/main.c b/src/main.c
index a523c0c0..a46da213 100755
--- a/src/main.c
+++ b/src/main.c
@@ -445,9 +445,9 @@ static bool parse_config_string(GKeyFile *config, const char *group,
 
 static bool parse_config_int(GKeyFile *config, const char *group,
 					const char *key, int *val,
-					int min, int max)
+					size_t min, size_t max)
 {
-	int tmp;
+	size_t tmp;
 	char *str = NULL;
 	char *endptr = NULL;
 
@@ -461,12 +461,14 @@ static bool parse_config_int(GKeyFile *config, const char *group,
 	}
 
 	if (tmp < min) {
-		warn("%s.%s = %d is out of range (< %d)", group, key, tmp, min);
+		warn("%s.%s = %zu is out of range (< %zu)", group, key, tmp,
+									min);
 		return false;
 	}
 
 	if (tmp > max) {
-		warn("%s.%s = %d is out of range (> %d)", group, key, tmp, max);
+		warn("%s.%s = %zu is out of range (> %zu)", group, key, tmp,
+									max);
 		return false;
 	}
 
@@ -778,7 +780,7 @@ static bool parse_config_u32(GKeyFile *config, const char *group,
 {
 	int tmp;
 
-	if (!parse_config_int(config, group, key, &tmp, 0, UINT32_MAX))
+	if (!parse_config_int(config, group, key, &tmp, min, max))
 		return false;
 
 	if (val)