Function getkeys_command

app/redis-6.2.6/tests/modules/getkeys.c:14–46

A sample movable keys command that returns a list of all * arguments that follow a KEY argument, i.e. */

 * arguments that follow a KEY argument, i.e.
 */
int getkeys_command(RedisModuleCtx *ctx, RedisModuleString **argv, int argc)
{
    int i;
    int count = 0;

    /* Handle getkeys-api introspection */
    if (RedisModule_IsKeysPositionRequest(ctx)) {
        for (i = 0; i < argc; i++) {
            size_t len;
            const char *str = RedisModule_StringPtrLen(argv[i], &len);

            if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc)
                RedisModule_KeyAtPos(ctx, i + 1);
        }

        return REDISMODULE_OK;
    }

    /* Handle real command invocation */
    RedisModule_ReplyWithArray(ctx, REDISMODULE_POSTPONED_ARRAY_LEN);
    for (i = 0; i < argc; i++) {
        size_t len;
        const char *str = RedisModule_StringPtrLen(argv[i], &len);

        if (len == 3 && !strncasecmp(str, "key", 3) && i + 1 < argc) {
            RedisModule_ReplyWithString(ctx, argv[i+1]);
            count++;
        }
    }
    RedisModule_ReplySetArrayLength(ctx, count);

    return REDISMODULE_OK;
}

int getkeys_fixed(RedisModuleCtx *ctx, RedisModuleString **argv, int argc)
{