Revert "api: `uv_link_strerror`"

This reverts commit 0799c7c91ee710eb9ce752bcfcd6952a0838b495.

7 files changed, 5 insertions, 76 deletions

diff --git a/README.md b/README.md
index a8287c6..31952b9 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,11 @@ static int shutdown_impl(uv_link_t* link,
 [API Docs][2]
 [Implementation Guide][3]
 
+## Further Work
+
+* Error reporting. Right now all we get is a UV_... error, it would be nice to
+  have a method for obtaining string description.
+
 ## LICENSE
 
 This software is licensed under the MIT License.
diff --git a/docs/api.md b/docs/api.md
index b73a428..2d2877b 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -118,16 +118,6 @@ Invoke `shutdown` from the link's [`uv_link_methods_t`][]. Acts similarly to
 `uv_shutdown()`. `cb(uv_link_t* link, int status, void* arg)` is invoked on
 completion.
 
-### const char* uv_link_strerror(...)
-
-* `uv_link_t* link`
-* `int err` - error code, previously either returned the one of the
-  `uv_link...` methods or passed as a negative `nread` to `link->read_cb`
-
-Invoke `strerror` from the link's [`uv_link_methods_t`][]. Acts similarly to
-`uv_strerror()`. Returns a description of error code that has just been given
-back to the user.
-
 ### void uv_link_propagate_alloc_cb(...)
 
 Should be used only by [`uv_link_methods_t`][] implementation.
@@ -395,19 +385,6 @@ is passed only only for internal operation.
 
 *NOTE: semantics are the same as of `uv_close`.*
 
-### .strerror
-
-```c
-const char* (*strerror)(uv_link_t* link, int err);
-```
-
-Invoked by [`uv_link_strerror()`][].
-
-Should return a description string of the `err`, or propagate call to the
-`link->parent` if the error wasn't emitted by the current `link`.
-
-*NOTE: semantics are the same as of `uv_strerror`.*
-
 ### .alloc_cb_override
 
 A method used to override that value of [`uv_link_t.alloc_cb`][] by
@@ -491,7 +468,6 @@ Invoked by `uv_link_propagate_read_cb`. MUST not manage the data in `buf`.
 
 [`uv_link_chain()`]: #int-uv_link_chain
 [`uv_link_close()`]: #void-uv_link_close
-[`uv_link_strerror()`]: #const-char-uv_link_strerror
 [`uv_link_init()`]: #int-uv_link_init
 [`uv_link_methods_t`]: #uv_link_methods_t
 [`uv_link_observer_t.observer_read_cb`]: #observer_read_cb
diff --git a/include/uv_link_t.h b/include/uv_link_t.h
index 9ba96ad..61d4cf0 100644
--- a/include/uv_link_t.h
+++ b/include/uv_link_t.h
@@ -40,8 +40,6 @@ struct uv_link_methods_s {
 
   void (*close)(uv_link_t* link, uv_link_t* source, uv_link_close_cb cb);
 
-  const char* (*strerror)(uv_link_t* link, int err);
-
   /* Overriding callbacks */
   uv_link_alloc_cb alloc_cb_override;
   uv_link_read_cb read_cb_override;
@@ -122,10 +120,6 @@ static int uv_link_shutdown(uv_link_t* link, uv_link_shutdown_cb cb,
   return uv_link_propagate_shutdown(link, link, cb, arg);
 }
 
-static const char* uv_link_strerror(uv_link_t* link, int err) {
-  return link->methods->strerror(link, err);
-}
-
 /* Link Source */
 
 struct uv_link_source_s {
@@ -176,7 +170,6 @@ int uv_link_default_shutdown(uv_link_t* link,
                              void* arg);
 void uv_link_default_close(uv_link_t* link, uv_link_t* source,
                            uv_link_close_cb cb);
-const char* uv_link_default_strerror(uv_link_t* link, int err);
 
 void uv_link_default_alloc_cb_override(uv_link_t* link,
                                        size_t suggested_size,
diff --git a/src/defaults.c b/src/defaults.c
index a88c80d..1c486f8 100644
--- a/src/defaults.c
+++ b/src/defaults.c
@@ -43,14 +43,6 @@ void uv_link_default_close(uv_link_t* link, uv_link_t* source,
 }
 
 
-const char* uv_link_default_strerror(uv_link_t* link, int err) {
-  if (link->parent == NULL)
-    return uv_strerror(err);
-  else
-    return uv_link_strerror(link->parent, err);
-}
-
-
 void uv_link_default_alloc_cb_override(uv_link_t* link,
                                        size_t suggested_size,
                                        uv_buf_t* buf) {
diff --git a/test/src/test-list.h b/test/src/test-list.h
index abb7cda..591b858 100644
--- a/test/src/test-list.h
+++ b/test/src/test-list.h
@@ -6,7 +6,6 @@
     V(uv_link_observer_t)                                                     \
     V(close_depth)                                                            \
     V(stop_read_on_error)                                                     \
-    V(strerror)                                                               \
 
 #define TEST_DECL(N) void test__##N();
 
diff --git a/test/src/test-strerror.c b/test/src/test-strerror.c
deleted file mode 100644
index c3b44c2..0000000
--- a/test/src/test-strerror.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include "test-common.h"
-
-static uv_link_t st_link;
-
-static int close_cb_called;
-
-
-const char* test_strerror(uv_link_t* l, int err) {
-  CHECK_EQ(l, &st_link, "link == st_link");
-  return "Description";
-}
-
-
-static uv_link_methods_t methods = {
-  .strerror = test_strerror,
-  .close = uv_link_default_close
-};
-
-static void close_cb(uv_link_t* l) {
-  close_cb_called++;
-}
-
-
-TEST_IMPL(strerror) {
-  CHECK_EQ(uv_link_init(&st_link, &methods), 0, "uv_link_init()");
-
-  CHECK_EQ(strcmp(uv_link_strerror(&st_link, -1), "Description"), 0,
-           "error description should match");
-
-  uv_link_close(&st_link, close_cb);
-  CHECK_EQ(close_cb_called, 1, "close_cb must be called");
-}
diff --git a/test/test.gyp b/test/test.gyp
index 131b93a..0bd930d 100644
--- a/test/test.gyp
+++ b/test/test.gyp
@@ -18,7 +18,6 @@
       "src/test-uv-link-observer-t.c",
       "src/test-defaults.c",
       "src/test-close.c",
-      "src/test-strerror.c",
     ],
   }],
 }