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kvargs: make the NULL key to match all entries

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In rte_kvargs_process() and rte_kvargs_count(), if the key_match
argument is NULL, process all entries.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
Olivier Matz 2014-01-28 17:06:43 +01:00 committed by David Marchand
parent 95418a30be
commit 38a901702f
2 changed files with 5 additions and 4 deletions
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4
lib/librte_kvargs/rte_kvargs.c
View File

@ -139,7 +139,7 @@ rte_kvargs_count(const struct rte_kvargs *kvlist, const char *key_match)
ret = 0;
for (i = 0; i < kvlist->count; i++) {
pair = &kvlist->pairs[i];
if (strcmp(pair->key, key_match) == 0)
if (key_match == NULL || strcmp(pair->key, key_match) == 0)
ret++;
}
@ -160,7 +160,7 @@ rte_kvargs_process(const struct rte_kvargs *kvlist,
for (i = 0; i < kvlist->count; i++) {
pair = &kvlist->pairs[i];
if (strcmp(pair->key, key_match) == 0) {
if (key_match == NULL || strcmp(pair->key, key_match) == 0) {
if ((*handler)(pair->key, pair->value, opaque_arg) < 0)
return -1;
}

5
lib/librte_kvargs/rte_kvargs.h
View File

@ -120,7 +120,8 @@ void rte_kvargs_free(struct rte_kvargs *kvlist);
* @param kvlist
* The rte_kvargs structure
* @param key_match
* The key on which the handler should be called
* The key on which the handler should be called, or NULL to process handler
* on all associations
* @param handler
* The function to call for each matching key
* @param opaque_arg
@ -139,7 +140,7 @@ int rte_kvargs_process(const struct rte_kvargs *kvlist,
* @param kvlist
* The rte_kvargs structure
* @param key_match
* The key that should match
* The key that should match, or NULL to count all associations
* @return
* The number of entries