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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>
This commit is contained in:
Parav Pandit 2021-02-10 20:34:44 +02:00 committed by David Ahern
parent b822275ad8
commit 6c76994982
2 changed files with 18 additions and 3 deletions
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4
include/utils.h
View File

@ -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);

17
lib/utils.c
View File

@ -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)