diff options
Diffstat (limited to 'mesalib/src/mesa/program/hash_table.h')
| -rw-r--r-- | mesalib/src/mesa/program/hash_table.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/mesalib/src/mesa/program/hash_table.h b/mesalib/src/mesa/program/hash_table.h index bcf65df7d..e95fc4982 100644 --- a/mesalib/src/mesa/program/hash_table.h +++ b/mesalib/src/mesa/program/hash_table.h @@ -32,6 +32,7 @@ #define HASH_TABLE_H #include <string.h> +#include <stdbool.h> #include <stdlib.h> #include <stdint.h> #include <limits.h> @@ -114,6 +115,10 @@ extern void hash_table_insert(struct hash_table *ht, void *data, /** * Add an element to a hash table with replacement * + * \return + * 1 if it did replace the the value (in which case the old key is kept), 0 if + * it did not replace the value (in which case the new key is kept). + * * \warning * If \c key is already in the hash table, \c data will \b replace the most * recently inserted \c data (see the warning in \c hash_table_insert) for @@ -121,7 +126,7 @@ extern void hash_table_insert(struct hash_table *ht, void *data, * * \sa hash_table_insert */ -extern void hash_table_replace(struct hash_table *ht, void *data, +extern bool hash_table_replace(struct hash_table *ht, void *data, const void *key); /** @@ -219,6 +224,7 @@ public: */ void clear() { + hash_table_call_foreach(this->ht, delete_key, NULL); hash_table_clear(this->ht); } @@ -258,9 +264,12 @@ public: * because UINT_MAX+1 = 0. */ assert(value != UINT_MAX); - hash_table_replace(this->ht, - (void *) (intptr_t) (value + 1), - strdup(key)); + char *dup_key = strdup(key); + bool result = hash_table_replace(this->ht, + (void *) (intptr_t) (value + 1), + dup_key); + if (result) + free(dup_key); } private: |