koffi - npm Package Compare versions

Comparing version 2.3.13 to 2.3.14

CHANGELOG.md

@@ -7,2 +7,9 @@ # Changelog
 
+#### Koffi 2.3.14
+
+**Main changes:**
+
+- Add `koffi.errno()` function to get and set current errno value
+- Add `koffi.os.errno` object with valid errno codes
+
 #### Koffi 2.3.13
@@ -9,0 +16,0 @@

doc/misc.md

@@ -104,1 +104,23 @@ # Miscellaneous
 You can use `koffi.stats()` to get a few statistics related to Koffi.
+
+## POSIX error codes
+
+*New in Koffi 2.3.14*
+
+You can use `koffi.errno()` to the current errno value, and `koffi.errno(value)` to change it.
+
+The standard POSIX error codes are available in `koffi.os.errno`, as in the example below:
+
+```js
+const assert = require('assert');
+const koffi = require('koffi');
+
+const lib = koffi.load('libc.so.6');
+
+const close = lib.func('int close(int fd)');
+
+close(-1);
+assert.equal(koffi.errno(), koffi.os.errno.EBADF);
+
+console.log('close() with invalid FD is POSIX compliant!');
+```

package.json

 {
     "name": "koffi",
-    "version": "2.3.13",
-    "stable": "2.3.13",
+    "version": "2.3.14",
+    "stable": "2.3.14",
     "description": "Fast and simple C FFI (foreign function interface) for Node.js",
@@ -6,0 +6,0 @@ "keywords": [

src/index.d.ts

@@ -134,4 +134,11 @@ // Copyright 2023 Niels Martignène <[e-mail]>
 
-    export let internal: Boolean;
-    export let extension: String;
+    export function errno(): number;
+    export function errno(value: number): number;
+
+    export const internal: Boolean;
+    export const extension: String;
+
+    export const os: {
+        errno: Record<string, number>
+    };
 }

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Improved metrics

Total package byte prevSize

17465435

increased by0.55%

Number of package files

359

increased by0.28%

Lines of code

6454

increased by0.08%

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