@yuuang/ffi-rs-linux-arm64-musl - npm Package Compare versions

Comparing version 1.0.59 to 1.0.60

package.json

 {
   "name": "@yuuang/ffi-rs-linux-arm64-musl",
-  "version": "1.0.59",
+  "version": "1.0.60",
   "os": [
@@ -5,0 +5,0 @@ "linux"

README.md

@@ -25,3 +25,4 @@ # ffi-rs
 - Support modify data in place 🥸
-- Provide many ways to handle pointer type directly
+- Provide many ways to handle pointer type directly 🐮
+- Support output [errno](#errno) info 🤔️
 
@@ -79,3 +80,3 @@ ## benchmark
 
-If you want to call C++ function, see [tutorial](#C++)
+If you want to call C++ function whose argument type is class, you can use `pointer` type, see [tutorial](#C++)
 
@@ -103,3 +104,3 @@ ## Support Platform
 
-### write C/C++ code
+### write foreign function code
 
@@ -647,1 +648,19 @@ Note: The return value type of a function must be of type c
 ```
+
+## errno
+
+By default, `ffi-rs` will not output [errno](https://man7.org/linux/man-pages/man3/errno.3.html) info, developers can get it by pass `errno: true` when call open method like
+
+```js
+load({
+   library: 'libnative',
+   funcName: 'setsockopt',
+   retType: DataType.I32,
+   paramsType: [DataType.I32, DataType.I32, DataType.I32, DataType.External, DataType.I32],
+   paramsValue: [socket._handle.fd, level, option, pointer[0], 4],
+   errno: true // set errno as true
+})
+
+// The above code will return a object include three fields include errnoCode, errnoMessage, and the foreign function return value
+// { errnoCode: 22, errnoMessage: 'Invalid argument (os error 22)', value: -1 }
+```

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Total package byte prevSize

615086

increased by0.8%

Number of lines in readme file

663

increased by2.95%

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