zlib: generate error code names in C++

This makes it easier to implement the lookup in a way that targets
error codes from a specific compression library, as a way towards
supporting multiple ones (e.g. brotli).

PR-URL: https://github.com/nodejs/node/pull/23413
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/zlib.js b/lib/zlib.js
index 5d5ef3e083..97b12410f1 100644
--- a/lib/zlib.js
+++ b/lib/zlib.js
@@ -143,7 +143,7 @@ function zlibBufferSync(engine, buffer) {
   return buffer;
 }
 
-function zlibOnError(message, errno) {
+function zlibOnError(message, errno, code) {
   var self = this[owner_symbol];
   // there is no way to cleanly recover.
   // continuing only obscures problems.
@@ -153,7 +153,7 @@ function zlibOnError(message, errno) {
   // eslint-disable-next-line no-restricted-syntax
   const error = new Error(message);
   error.errno = errno;
-  error.code = codes[errno];
+  error.code = code;
   self.emit('error', error);
 }