From: Parav Pandit <parav@nvidia.com>
Date: Wed, 10 Feb 2021 18:34:44 +0000 (+0200)
Subject: utils: Add helper to map string to unsigned int
X-Git-Tag: v5.12.0~26^2~4^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c769949827584984e5b76402d70be84b25706a9;p=thirdparty%2Fiproute2.git

utils: Add helper to map string to unsigned int

In subsequent patch need to map a string to a unsigned int.
Hence, add an API to map a string to unsigned int.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---

diff --git a/include/utils.h b/include/utils.h
index 9b76c92a9..b29c3798f 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -342,10 +342,12 @@ int parse_mapping(int *argcp, char ***argvp, bool allow_all,
 
 struct str_num_map {
 	const char *str;
-	int num;
+	unsigned int num;
 };
 
 int str_map_lookup_str(const struct str_num_map *map, const char *needle);
+const char *str_map_lookup_uint(const struct str_num_map *map,
+				unsigned int val);
 const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val);
 const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val);
 
diff --git a/lib/utils.c b/lib/utils.c
index cc6d0e348..633f63590 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1953,9 +1953,22 @@ int str_map_lookup_str(const struct str_num_map *map, const char *needle)
 	return -EINVAL;
 }
 
+const char *str_map_lookup_uint(const struct str_num_map *map, unsigned int val)
+{
+	unsigned int num = val;
+
+	while (map && map->str) {
+		if (num == map->num)
+			return map->str;
+
+		map++;
+	}
+	return NULL;
+}
+
 const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val)
 {
-	int num = val;
+	unsigned int num = val;
 
 	while (map && map->str) {
 		if (num == map->num)
@@ -1968,7 +1981,7 @@ const char *str_map_lookup_u16(const struct str_num_map *map, uint16_t val)
 
 const char *str_map_lookup_u8(const struct str_num_map *map, uint8_t val)
 {
-	int num = val;
+	unsigned int num = val;
 
 	while (map && map->str) {
 		if (num == map->num)