uclient: Add string error function

This add's the uclient_strerror function, which resolves and error code
to a string message.

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>

diff --git a/uclient.c b/uclient.c
index 11371684e8a15cdd8566263d2a3b8b670880b7a2..9f98cbca167f0b5cc419ec1effe542130d1fe6df 100644 (file)
--- a/uclient.c
+++ b/uclient.c
@@ -422,3 +422,23 @@ void __hidden uclient_backend_reset_state(struct uclient *cl)
        cl->error_code = 0;
        uloop_timeout_cancel(&cl->timeout);
 }
+
+const char * uclient_strerror(unsigned err)
+{
+       switch (err) {
+       case UCLIENT_ERROR_UNKNOWN:
+               return "unknown error";
+       case UCLIENT_ERROR_CONNECT:
+               return "connect failed";
+       case UCLIENT_ERROR_TIMEDOUT:
+               return "timeout";
+       case UCLIENT_ERROR_SSL_INVALID_CERT:
+               return "ssl invalid cert";
+       case UCLIENT_ERROR_SSL_CN_MISMATCH:
+               return "ssl cn mismatch";
+       case UCLIENT_ERROR_MISSING_SSL_CONTEXT:
+               return "missing ssl context";
+       default:
+               return "invalid error code";
+       }
+}

diff --git a/uclient.h b/uclient.h
index e3695db6409b8069a0081c43ce3abde72b7f20ed..4f37364e55ab805bba7fdca5908bb3d1434e921e 100644 (file)
--- a/uclient.h
+++ b/uclient.h
@@ -36,6 +36,7 @@ enum uclient_error_code {
        UCLIENT_ERROR_SSL_INVALID_CERT,
        UCLIENT_ERROR_SSL_CN_MISMATCH,
        UCLIENT_ERROR_MISSING_SSL_CONTEXT,
+       __UCLIENT_ERROR_MAX
 };
 
 union uclient_addr {
@@ -126,5 +127,6 @@ int uclient_http_redirect(struct uclient *cl);
 int uclient_http_set_ssl_ctx(struct uclient *cl, const struct ustream_ssl_ops *ops,
                             struct ustream_ssl_ctx *ctx, bool require_validation);
 int uclient_http_set_address_family(struct uclient *cl, int af);
+const char *uclient_strerror(unsigned err);
 
 #endif