From 5bbab0a414e4e150a90b96b444d76a94d9002262 Mon Sep 17 00:00:00 2001
From: Timerix22 <timerix11@gmail.com>
Date: Wed, 15 Feb 2023 21:44:38 +0600
Subject: [PATCH] string_copy adds trailing zero byte

---
 src/String/string.c | 8 +++++---
 src/String/string.h | 5 ++++-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/String/string.c b/src/String/string.c
index 7e2f084..2099468 100644
--- a/src/String/string.c
+++ b/src/String/string.c
@@ -14,14 +14,16 @@ char* string_extract(string str){
     return cptr;
 }
 
-// copies src.ptr content to new string
+// copies src.ptr content to new string and adds \0 at the end
 string string_copy(string src){
-    if(!src.ptr) return src;
+    if(!src.ptr)
+        return src;
     string nstr;
     nstr.length=src.length;
-    nstr.ptr=malloc(nstr.length);
+    nstr.ptr=malloc(nstr.length+1);
     for(u32 i=0;i<nstr.length;i++)
         nstr.ptr[i]=src.ptr[i];
+    nstr.ptr[nstr.length]='\0';
     return nstr;
 }
 
diff --git a/src/String/string.h b/src/String/string.h
index 2e96fe8..9faef9e 100644
--- a/src/String/string.h
+++ b/src/String/string.h
@@ -20,10 +20,13 @@ Autoarr_declare(string)
 
 static const string stringNull={NULL,0};
 
+/// wraps pointer without copy
+#define string_fromCptr(CPTR) (string){ .ptr=CPTR, .length=cptr_length(CPTR) }
+
 // copies str content to new char pointer value (adding '\0' at the end)
 char* string_extract(string str);
 
-// copies src.ptr content to new string
+// copies src.ptr content to new string and adds \0 at the end
 string string_copy(string src);
 
 // compares two strings, NullPtr-friendly