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Add RedisModule_CreateStringFromString().

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This commit is contained in:
Yossi Gottlieb 2016-06-22 20:57:24 +03:00
parent 4e10b08fb3
commit 61172ed01e
5 changed files with 26 additions and 2 deletions
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12
src/module.c
View File

@ -673,6 +673,17 @@ RedisModuleString *RM_CreateStringFromLongLong(RedisModuleCtx *ctx, long long ll
return RM_CreateString(ctx,buf,len);
}
/* Like RedisModule_CreatString(), but creates a string starting from another
* RedisModuleString.
*
* The returned string must be released with RedisModule_FreeString() or by
* enabling automatic memory management. */
RedisModuleString *RM_CreateStringFromString(RedisModuleCtx *ctx, const RedisModuleString *str) {
RedisModuleString *o = dupStringObject(str);
autoMemoryAdd(ctx,REDISMODULE_AM_STRING,o);
return o;
}
/* Free a module string object obtained with one of the Redis modules API calls
* that return new string objects.
*
@ -2828,6 +2839,7 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(CreateStringFromCallReply);
REGISTER_API(CreateString);
REGISTER_API(CreateStringFromLongLong);
REGISTER_API(CreateStringFromString);
REGISTER_API(FreeString);
REGISTER_API(StringPtrLen);
REGISTER_API(AutoMemory);

10
src/modules/API.md
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@ -179,6 +179,16 @@ integer instead of taking a buffer and its length.
The returned string must be released with `RedisModule_FreeString()` or by
enabling automatic memory management.
## `RM_CreateStringFromString`
RedisModuleString *RM_CreateStringFromString(RedisModuleCtx *ctx, const RedisModuleString *str);
Like `RedisModule_CreatString()`, but creates a string starting from an existing
RedisModuleString.
The returned string must be released with `RedisModule_FreeString()` or by
enabling automatic memory management.
## `RM_FreeString`
void RM_FreeString(RedisModuleCtx *ctx, RedisModuleString *str);

2
src/object.c
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@ -147,7 +147,7 @@ robj *createStringObjectFromLongDouble(long double value, int humanfriendly) {
* will always result in a fresh object that is unshared (refcount == 1).
*
* The resulting object always has refcount set to 1. */
robj *dupStringObject(robj *o) {
robj *dupStringObject(const robj *o) {
robj *d;
serverAssert(o->type == OBJ_STRING);

2
src/redismodule.h
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@ -122,6 +122,7 @@ size_t REDISMODULE_API_FUNC(RedisModule_CallReplyLength)(RedisModuleCallReply *r
RedisModuleCallReply *REDISMODULE_API_FUNC(RedisModule_CallReplyArrayElement)(RedisModuleCallReply *reply, size_t idx);
RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateString)(RedisModuleCtx *ctx, const char *ptr, size_t len);
RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromLongLong)(RedisModuleCtx *ctx, long long ll);
RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromString)(RedisModuleCtx *ctx, const RedisModuleString *str);
void REDISMODULE_API_FUNC(RedisModule_FreeString)(RedisModuleCtx *ctx, RedisModuleString *str);
const char *REDISMODULE_API_FUNC(RedisModule_StringPtrLen)(RedisModuleString *str, size_t *len);
int REDISMODULE_API_FUNC(RedisModule_ReplyWithError)(RedisModuleCtx *ctx, const char *err);
@ -225,6 +226,7 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
REDISMODULE_GET_API(CreateStringFromCallReply);
REDISMODULE_GET_API(CreateString);
REDISMODULE_GET_API(CreateStringFromLongLong);
REDISMODULE_GET_API(CreateStringFromString);
REDISMODULE_GET_API(FreeString);
REDISMODULE_GET_API(StringPtrLen);
REDISMODULE_GET_API(AutoMemory);

2
src/server.h
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@ -1285,7 +1285,7 @@ robj *createObject(int type, void *ptr);
robj *createStringObject(const char *ptr, size_t len);
robj *createRawStringObject(const char *ptr, size_t len);
robj *createEmbeddedStringObject(const char *ptr, size_t len);
robj *dupStringObject(robj *o);
robj *dupStringObject(const robj *o);
int isSdsRepresentableAsLongLong(sds s, long long *llval);
int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
robj *tryObjectEncoding(robj *o);