fix some mistake

README.md

@@ -1,4 +1,5 @@
 # go-clamav
+[![GoDoc](https://pkg.go.dev/badge/github.com/ca110us/go-clamav?status.svg)](https://pkg.go.dev/github.com/ca110us/go-clamav?tab=doc)
 
 go-clamav is go wrapper for [libclamav](https://docs.clamav.net/manual/Development/libclamav.html)
 
@@ -35,7 +36,66 @@ sudo cmake --build . --target install
 For other Linux distributions, see [clamav documentation](https://docs.clamav.net/manual/Installing/Installing-from-source-Unix.html)
 
 ## Quick Start
-Refer to the `example` directory
+```bash
+$ cd example && cat main.go
+```
+
+```go
+package main
+
+import (
+	"fmt"
+
+	clamav "github.com/ca110us/go-clamav"
+)
+
+func main() {
+	// new clamav instance
+	c := new(clamav.Clamav)
+	err := c.Init(clamav.SCAN_OPTIONS{
+		General:   0,
+		Parse:     clamav.CL_SCAN_PARSE_ARCHIVE | clamav.CL_SCAN_PARSE_ELF,
+		Heuristic: 0,
+		Mail:      0,
+		Dev:       0,
+	})
+
+	if err != nil {
+		panic(err)
+	}
+
+	// free clamav memory
+	defer c.Free()
+
+	// load db
+	signo, err := c.LoadDB("./db", uint(clamav.CL_DB_DIRECTORY))
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("db load succeed:", signo)
+
+	// compile engine
+	err = c.CompileEngine()
+	if err != nil {
+		panic(err)
+	}
+
+	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANSIZE, 1024*1024*40)
+	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANTIME, 9000)
+	// fmt.Println(c.EngineGetNum(clamav.CL_ENGINE_MAX_SCANSIZE))
+
+	// scan
+	scanned, virusName, ret := c.ScanFile("./test_file/nmap")
+	fmt.Println(scanned, virusName, ret)
+}
+```
+
+```bash
+$ go run main.go
+
+db load succeed: 9263
+209 YARA.Unix_Packer_UpxDetail.UNOFFICIAL Virus(es) detected
+```
 
 ## Reference
 [mirtchovski/clamav](https://github.com/mirtchovski/clamav)

README_CN.md

@@ -1,4 +1,5 @@
 # go-clamav
+[![GoDoc](https://pkg.go.dev/badge/github.com/ca110us/go-clamav?status.svg)](https://pkg.go.dev/github.com/ca110us/go-clamav?tab=doc)
 
 go-clamav 是 go 语言对 [libclamav](https://docs.clamav.net/manual/Development/libclamav.html) 的封装
 
@@ -18,7 +19,7 @@ apt-get update && apt-get install -y \
   curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 ```
 
-Download the source from the clamav [downloads page](https://www.clamav.net/downloads)
+从 clamav 官方下载源码 [downloads page](https://www.clamav.net/downloads)
 
 ```bash
 tar xzf clamav-[ver].tar.gz
@@ -35,7 +36,66 @@ sudo cmake --build . --target install
 其他 Linux 发行版参照 [clamav documentation](https://docs.clamav.net/manual/Installing/Installing-from-source-Unix.html)
 
 ## 快速开始
-参考 `example` 目录
+```bash
+$ cd example && cat main.go
+```
+
+```go
+package main
+
+import (
+	"fmt"
+
+	clamav "github.com/ca110us/go-clamav"
+)
+
+func main() {
+	// new clamav instance
+	c := new(clamav.Clamav)
+	err := c.Init(clamav.SCAN_OPTIONS{
+		General:   0,
+		Parse:     clamav.CL_SCAN_PARSE_ARCHIVE | clamav.CL_SCAN_PARSE_ELF,
+		Heuristic: 0,
+		Mail:      0,
+		Dev:       0,
+	})
+
+	if err != nil {
+		panic(err)
+	}
+
+	// free clamav memory
+	defer c.Free()
+
+	// load db
+	signo, err := c.LoadDB("./db", uint(clamav.CL_DB_DIRECTORY))
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("db load succeed:", signo)
+
+	// compile engine
+	err = c.CompileEngine()
+	if err != nil {
+		panic(err)
+	}
+
+	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANSIZE, 1024*1024*40)
+	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANTIME, 9000)
+	// fmt.Println(c.EngineGetNum(clamav.CL_ENGINE_MAX_SCANSIZE))
+
+	// scan
+	scanned, virusName, ret := c.ScanFile("./test_file/nmap")
+	fmt.Println(scanned, virusName, ret)
+}
+```
+
+```bash
+$ go run main.go
+
+db load succeed: 9263
+209 YARA.Unix_Packer_UpxDetail.UNOFFICIAL Virus(es) detected
+```
 
 ## 参考
 [mirtchovski/clamav](https://github.com/mirtchovski/clamav)

clamav.go

@@ -149,7 +149,7 @@ func (c *Clamav) CompileEngine() error {
 	return nil
 }
 
-// SetNum sets a number in the specified field of the engine configuration.
+// EngineSetNum sets a number in the specified field of the engine configuration.
 // Certain fields accept only 32-bit numbers, silently truncating the higher bits
 // of the engine config. See dat.go for more information.
 func (c *Clamav) EngineSetNum(field EngineField, num uint64) error {
@@ -162,7 +162,7 @@ func (c *Clamav) EngineSetNum(field EngineField, num uint64) error {
 	return nil
 }
 
-// GetNum acquires a number from the specified field of the engine configuration. Tests show that
+// EngineGetNum acquires a number from the specified field of the engine configuration. Tests show that
 // the ClamAV library will not overflow 32-bit fields, so a GetNum on a 32-bit field can safely be
 // cast to uint32.
 func (c *Clamav) EngineGetNum(field EngineField) (uint64, error) {
@@ -183,7 +183,7 @@ func (c *Clamav) Free() int {
 	return int(C.cl_engine_free((*C.struct_cl_engine)(c.engine)))
 }
 
-// ScanMapCb scans custom data
+// ScanMapCB scans custom data
 func (c *Clamav) ScanMapCB(fmap *Fmap, fileName string, context interface{}) (uint, string, error) {
 	var scanned C.ulong
 	var virusName *C.char
@@ -235,7 +235,7 @@ func (c *Clamav) ScanFile(path string) (uint, string, error) {
 	return 0, "", Strerr(ret)
 }
 
-// ScanFileCb scans a single file for viruses using the ClamAV databases and using callbacks from
+// ScanFileCB scans a single file for viruses using the ClamAV databases and using callbacks from
 // ClamAV to read/resolve file data. The callbacks can be used to scan files in memory, to scan multiple
 // files inside archives, etc. The function returns the number of bytes
 // read from the file (if found), the virus name and an error code.

example/main.go

@@ -38,14 +38,10 @@ func main() {
 	}
 
 	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANSIZE, 1024*1024*40)
-	c.EngineSetNum(clamav.CL_ENGINE_PCRE_MAX_FILESIZE, 1024*1024*20)
 	c.EngineSetNum(clamav.CL_ENGINE_MAX_SCANTIME, 9000)
-	c.EngineSetNum(clamav.CL_ENGINE_PCRE_MATCH_LIMIT, 1000)
-	c.EngineSetNum(clamav.CL_ENGINE_PCRE_RECMATCH_LIMIT, 500)
-
-	// fmt.Println(c.EngineGetNum(clamav.CL_ENGINE_PCRE_RECMATCH_LIMIT))
+	// fmt.Println(c.EngineGetNum(clamav.CL_ENGINE_MAX_SCANSIZE))
 
 	// scan
-	scanned, msg, err := c.ScanFile("./test_file/nmap")
-	fmt.Println(scanned, msg, err)
+	scanned, virusName, ret := c.ScanFile("./test_file/nmap")
+	fmt.Println(scanned, virusName, ret)
 }