rename EACCES to EACCESS

The WASI spec has decided to deviate from POSIX starting in
snapshot preview 2.

Refs: #59

Author: cjihrig

README.md

@@ -1370,7 +1370,7 @@ Possible values:
 
     Argument list too long.
 
-- <a href="#errno.acces" name="errno.acces"></a>**`UVWASI_EACCES`**
+- <a href="#errno.access" name="errno.access"></a>**`UVWASI_EACCESS`**
 
     Permission denied.
 

include/wasi_types.h

@@ -31,7 +31,7 @@ typedef uint64_t uvwasi_dircookie_t;
 typedef uint16_t uvwasi_errno_t;
 #define UVWASI_ESUCCESS         0
 #define UVWASI_E2BIG            1
-#define UVWASI_EACCES           2
+#define UVWASI_EACCESS          2
 #define UVWASI_EADDRINUSE       3
 #define UVWASI_EADDRNOTAVAIL    4
 #define UVWASI_EAFNOSUPPORT     5

src/uv_mapping.c

@@ -28,7 +28,7 @@
 uvwasi_errno_t uvwasi__translate_uv_error(int err) {
   switch (err) {
     case UV_E2BIG:           return UVWASI_E2BIG;
-    case UV_EACCES:          return UVWASI_EACCES;
+    case UV_EACCES:          return UVWASI_EACCESS;
     case UV_EADDRINUSE:      return UVWASI_EADDRINUSE;
     case UV_EADDRNOTAVAIL:   return UVWASI_EADDRNOTAVAIL;
     case UV_EAFNOSUPPORT:    return UVWASI_EAFNOSUPPORT;

src/uvwasi.c

@@ -2410,7 +2410,7 @@ const char* uvwasi_embedder_err_code_to_string(uvwasi_errno_t code) {
   switch (code) {
 #define V(errcode) case errcode: return #errcode;
     V(UVWASI_E2BIG)
-    V(UVWASI_EACCES)
+    V(UVWASI_EACCESS)
     V(UVWASI_EADDRINUSE)
     V(UVWASI_EADDRNOTAVAIL)
     V(UVWASI_EAFNOSUPPORT)

test/test-uv-mapping.c

@@ -8,7 +8,6 @@
 int main(void) {
   /* Verify error code translation. */
   CHECK_ERR(E2BIG);
-  CHECK_ERR(EACCES);
   CHECK_ERR(EADDRINUSE);
   CHECK_ERR(EADDRNOTAVAIL);
   CHECK_ERR(EAFNOSUPPORT);
@@ -63,6 +62,10 @@ int main(void) {
   CHECK_ERR(ETIMEDOUT);
   CHECK_ERR(ETXTBSY);
   CHECK_ERR(EXDEV);
+
+  /* EACCES is no longer consistently named. */
+  assert(uvwasi__translate_uv_error(UV_EACCES) == UVWASI_EACCESS);
+
   assert(uvwasi__translate_uv_error(0) == UVWASI_ESUCCESS);
   assert(uvwasi__translate_uv_error(1) == 1);
   assert(uvwasi__translate_uv_error(-99999) == UVWASI_ENOSYS);