From 0ca4a34a2397a191ffd7762ad52b5c8d1fda846f Mon Sep 17 00:00:00 2001
From: blacktop <blacktop@users.noreply.github.com>
Date: Wed, 10 Jul 2024 10:27:19 -0600
Subject: [PATCH] fix: GetCStrings to not use slices pkg and to only store
 ascii strings

---
 file.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/file.go b/file.go
index 50ea103..76dbbd3 100644
--- a/file.go
+++ b/file.go
@@ -13,11 +13,12 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 	"sync"
+	"unicode"
 
 	"github.com/blacktop/go-dwarf"
-	"golang.org/x/exp/slices"
 
 	"github.com/blacktop/go-macho/internal/saferio"
 	"github.com/blacktop/go-macho/pkg/codesign"
@@ -1675,10 +1676,15 @@ func (f *File) GetCStrings() ([]string, error) {
 				s = strings.Trim(s, "\x00")
 
 				if len(s) > 0 {
+					for _, r := range s {
+						if r > unicode.MaxASCII || !unicode.IsPrint(r) {
+							continue // skip non-ascii strings
+						}
+					}
 					strs = append(strs, s)
 				}
 			}
-			slices.Sort(strs)
+			sort.Strings(strs)
 		}
 	}