On Thursday, 5 January 2012 at 22:02:25 UTC, Andrej Mitrovic wrote:

Your problem is that you're calling printf on a static char array. If you're going to use printf you have to use it on the .ptr (pointer)
field of the static array. Replace this call:

  printf("Connection error: %s\n", c.errstr);
with
  printf("Connection error: %s\n", c.errstr.ptr);

On my end I get:
Connection error: Connection refused

Also I think you should replace the "int integer" in struct redisReply to "long integer". I think `long long` in C is 8 bytes, which is the
equivalent to D's long type.

Thanks for the tip. I've changed code as you suggested.
And for the type `long long`, I changed `int` to `c_long` (in core.stdc.config) according to http://dlang.org/interfaceToC.html

But there is still problem. My code does actually connect, as I have a redis-server running on my machine, and the commands actually runned, as I use a redis-cli and found that "foo : bar" is actually set into redis. But

---
 reply = cast(redisReply*) redisCommand(c, "GET foo");
 writefln("GET foo: %s", *reply);
 writefln(to!string(reply.str));
----

output these:

---
GET foo: redisReply(1, 0, 0, 2, 152397072, 0)
80B1F42
段错误  // (which is Chinese for Segfault)
---

So maybe I got it wrong when converting char* to string?





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