Improved findFile function and codeql action

.github/workflows/codeql.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         language: [ 'go' ] 
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest]
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4

.github/workflows/linters.yml

@@ -33,6 +33,7 @@ jobs:
           VALIDATE_ALL_CODEBASE: true
           VALIDATE_GO: false
           VALIDATE_MARKDOWN: false
+          VALIDATE_JSCPD: false
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
   golangci-lint:

dbase/io_generic.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/binary"
 	"io"
+	"os"
 	"path/filepath"
 	"reflect"
 	"strings"
@@ -636,3 +637,25 @@ func (g GenericIO) getRelatedHandle(file *File) (io.ReadWriteSeeker, error) {
 	}
 	return handle, nil
 }
+
+// Walk the dir and find the file case insensitive
+func findFile(f string) (string, error) {
+	var foundFile string
+	err := filepath.Walk(filepath.Dir(f), func(path string, _ os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if strings.EqualFold(filepath.Base(path), filepath.Base(f)) {
+			foundFile = path
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return "", err
+	}
+
+	return foundFile, nil
+}

dbase/io_unix.go

@@ -31,7 +31,7 @@ func (u UnixIO) OpenTable(config *Config) (*File, error) {
 	debugf("Opening table: %s - Read-only: %v - Exclusive: %v - Untested: %v - Trim spaces: %v - Write lock: %v - ValidateCodepage: %v - InterpretCodepage: %v", config.Filename, config.ReadOnly, config.Exclusive, config.Untested, config.TrimSpaces, config.WriteLock, config.ValidateCodePage, config.InterpretCodePage)
 	fileExtension := FileExtension(strings.ToUpper(filepath.Ext(config.Filename)))
 	fileName := filepath.Clean(config.Filename)
-	fileName, err := _findFile(fileName)
+	fileName, err := findFile(fileName)
 	if err != nil {
 		return nil, WrapError(err)
 	}
@@ -99,7 +99,7 @@ func (u UnixIO) openMemo(file *File, filename string, mode int, container bool)
 		if container {
 			ext = DCT
 		}
-		relatedFile, err := _findFile(strings.TrimSuffix(filename, path.Ext(filename)) + string(ext))
+		relatedFile, err := findFile(strings.TrimSuffix(filename, path.Ext(filename)) + string(ext))
 		if err != nil {
 			return WrapError(err)
 		}
@@ -680,22 +680,6 @@ func (u UnixIO) Deleted(file *File) (bool, error) {
 	return buf[0] == byte(Deleted), nil
 }
 
-func _findFile(name string) (string, error) {
-	debugf("Searching for file: %s", name)
-	// Read all files in the directory
-	files, err := os.ReadDir(filepath.Dir(name))
-	if err != nil {
-		return "", NewError("failed to read directory").Details(err)
-	}
-	for _, file := range files {
-		if strings.EqualFold(file.Name(), filepath.Base(name)) {
-			debugf("Found file: %s", file.Name())
-			return filepath.Join(filepath.Dir(name), file.Name()), nil
-		}
-	}
-	return name, nil
-}
-
 func (u UnixIO) getHandle(file *File) (*os.File, error) {
 	handle, ok := file.handle.(*os.File)
 	if !ok {

dbase/io_windows.go

@@ -28,7 +28,7 @@ func (w WindowsIO) OpenTable(config *Config) (*File, error) {
 	}
 	debugf("Opening table: %s - Read-only: %v - Exclusive: %v - Untested: %v - Trim spaces: %v - Write lock: %v - ValidateCodepage: %v - InterpretCodepage: %v", config.Filename, config.ReadOnly, config.Exclusive, config.Untested, config.TrimSpaces, config.WriteLock, config.ValidateCodePage, config.InterpretCodePage)
 	var err error
-	config.Filename, err = _findFile(filepath.Clean(config.Filename))
+	config.Filename, err = findFile(filepath.Clean(config.Filename))
 	if err != nil {
 		return nil, WrapError(err)
 	}
@@ -99,7 +99,7 @@ func (w WindowsIO) initTable(config *Config, file *File) error {
 func (w WindowsIO) initRelated(config *Config, file *File) error {
 	if MemoFlag.Defined(file.header.TableFlags) {
 		ext := FPT
-		if FileExtension(filepath.Ext(config.Filename)) == DBC {
+		if strings.ToUpper(filepath.Ext(config.Filename)) == string(DBC) {
 			ext = DCT
 		}
 		relatedFile := strings.TrimSuffix(config.Filename, path.Ext(config.Filename)) + string(ext)
@@ -781,22 +781,6 @@ func (w WindowsIO) Deleted(file *File) (bool, error) {
 	return Marker(buf[0]) == Deleted, nil
 }
 
-func _findFile(name string) (string, error) {
-	debugf("Searching for file: %s", name)
-	// Read all files in the directory
-	files, err := os.ReadDir(filepath.Dir(name))
-	if err != nil {
-		return "", NewErrorf("reading directory failed").Details(err)
-	}
-	for _, file := range files {
-		if strings.EqualFold(file.Name(), filepath.Base(name)) {
-			debugf("Found file: %s", file.Name())
-			return filepath.Join(filepath.Dir(name), file.Name()), nil
-		}
-	}
-	return name, nil
-}
-
 func (w WindowsIO) getHandle(file *File) (*windows.Handle, error) {
 	handle, ok := file.handle.(*windows.Handle)
 	if !ok {