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Update README with new way of handling errors

This commit is contained in:
Pieter Noordhuis 2010-11-22 18:03:35 +01:00
parent 56bbeb7049
commit 808e43e161
1 changed files with 9 additions and 8 deletions
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17
README.md
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@ -35,16 +35,17 @@ To consume the synchronous API, there are only a few function calls that need to
### Connecting
The function `redisConnect` is used to create a so-called `redisContext`. The context is where
Hiredis holds state for a connection. The `redisContext` struct has an `error` field that is
non-NULL when the connection is in an error state. It contains a string with a textual
representation of the error. After trying to connect to Redis using `redisConnect` you should
check the `error` field to see if establishing the connection was successful:
The function `redisConnect` is used to create a so-called `redisContext`. The
context is where Hiredis holds state for a connection. The `redisContext`
struct has an integer `err` field that is non-zero when an the connection is in
an error state. The field `errstr` will contain a string with a description of
the error. After trying to connect to Redis using `redisConnect` you should
check the `err` field to see if establishing the connection was successful:
redisContext *c = redisConnect("127.0.0.1", 6379);
if (c->error != NULL) {
printf("Error: %s\n", c->error);
// handle error
if (c->err) {
printf("Error: %s\n", c->errstr);
// handle error
}
### Sending commands