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-rw-r--r--compiler/rodutils.nim6
-rw-r--r--lib/pure/nativesockets.nim4
-rw-r--r--lib/pure/os.nim2
-rw-r--r--lib/system.nim15
-rw-r--r--lib/system/repr.nim6
-rw-r--r--tests/async/tnewasyncudp.nim6
-rw-r--r--tests/misc/treadx.nim3
-rw-r--r--tests/system/toString.nim12
8 files changed, 16 insertions, 38 deletions
diff --git a/compiler/rodutils.nim b/compiler/rodutils.nim
index 1352afadb..3a90a207c 100644
--- a/compiler/rodutils.nim
+++ b/compiler/rodutils.nim
@@ -21,9 +21,9 @@ proc toStrMaxPrecision*(f: BiggestFloat, literalPostfix = ""): string =
     if f > 0.0: result = "INF"
     else: result = "-INF"
   else:
-    result = newString(80)
-    let newLen = c_snprintf(result[0].addr, 81, "%#.16e" & literalPostfix, f)
-    result.setLen(newLen)
+    var buf: array[0..80, char]
+    let newLen = c_snprintf(buf.cstring, buf.len.uint, "%#.16e%s", f, literalPostfix.cstring)
+    result = $buf.cstring
 
 proc encodeStr*(s: string, result: var string) =
   for i in countup(0, len(s) - 1):
diff --git a/lib/pure/nativesockets.nim b/lib/pure/nativesockets.nim
index 7568408a6..a33836458 100644
--- a/lib/pure/nativesockets.nim
+++ b/lib/pure/nativesockets.nim
@@ -500,7 +500,7 @@ proc getLocalAddr*(socket: SocketHandle, domain: Domain): (string, Port) =
     if inet_ntop(name.sin6_family.cint,
                  addr name, buf.cstring, sizeof(buf).int32).isNil:
       raiseOSError(osLastError())
-    result = ($buf, Port(nativesockets.ntohs(name.sin6_port)))
+    result = ($buf.cstring, Port(nativesockets.ntohs(name.sin6_port)))
   else:
     raiseOSError(OSErrorCode(-1), "invalid socket family in getLocalAddr")
 
@@ -536,7 +536,7 @@ proc getPeerAddr*(socket: SocketHandle, domain: Domain): (string, Port) =
     if inet_ntop(name.sin6_family.cint,
                  addr name, buf.cstring, sizeof(buf).int32).isNil:
       raiseOSError(osLastError())
-    result = ($buf, Port(nativesockets.ntohs(name.sin6_port)))
+    result = ($buf.cstring, Port(nativesockets.ntohs(name.sin6_port)))
   else:
     raiseOSError(OSErrorCode(-1), "invalid socket family in getLocalAddr")
 
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index 5211bc00c..a227e9f32 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -1010,7 +1010,7 @@ iterator walkDir*(dir: string; relative=false): tuple[kind: PathComponent, path:
         while true:
           var x = readdir(d)
           if x == nil: break
-          var y = newString(x.d_name)
+          var y = $x.d_name.cstring
           if y != "." and y != "..":
             var s: Stat
             if not relative:
diff --git a/lib/system.nim b/lib/system.nim
index b5008129d..014538098 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -1872,21 +1872,6 @@ proc `$` *[Enum: enum](x: Enum): string {.magic: "EnumToStr", noSideEffect.}
   ## a ``$`` operator for a concrete enumeration is provided, this is
   ## used instead. (In other words: *Overwriting* is possible.)
 
-proc newString*[N](data: array[N, char]): string {.noSideEffect.} =
-  ## Construct a string from an array of characters. The `data` is
-  ## expected to be a null terminated string as it is often used in C.
-  when nimvm:
-    # cannot cast on the vm
-    # not recommended to use this procedure on the vm at all, but at least it doesn't fail.
-    result = ""
-    for c in data:
-      if c == '\0':
-        return
-      else:
-        result.add c
-  else:
-    result = $(cast[cstring](data[0].unsafeAddr))
-
 # undocumented:
 proc getRefcount*[T](x: ref T): int {.importc: "getRefcount", noSideEffect.}
 proc getRefcount*(x: string): int {.importc: "getRefcount", noSideEffect.}
diff --git a/lib/system/repr.nim b/lib/system/repr.nim
index 2775b1b3e..172b4c08c 100644
--- a/lib/system/repr.nim
+++ b/lib/system/repr.nim
@@ -16,9 +16,9 @@ proc reprInt(x: int64): string {.compilerproc.} = return $x
 proc reprFloat(x: float): string {.compilerproc.} = return $x
 
 proc reprPointer(x: pointer): string {.compilerproc.} =
-  result = newString(60)
-  let newLen = c_sprintf(result[0].addr, "%p", x)
-  result.setLen newLen
+  var buf: array[60, char]
+  discard c_sprintf(result[0].addr, "%p", x)
+  result = $buf.cstring
 
 proc `$`(x: uint64): string =
   if x == 0:
diff --git a/tests/async/tnewasyncudp.nim b/tests/async/tnewasyncudp.nim
index bf54c0d06..da731f4b8 100644
--- a/tests/async/tnewasyncudp.nim
+++ b/tests/async/tnewasyncudp.nim
@@ -54,7 +54,7 @@ proc launchSwarm(name: ptr SockAddr) {.async.} =
     k = 0
     while k < messagesToSend:
       zeroMem(addr(buffer[0]), 16384)
-      zeroMem(cast[pointer](addr(saddr)), sizeof(Sockaddr_in))      
+      zeroMem(cast[pointer](addr(saddr)), sizeof(Sockaddr_in))
       var message = "Message " & $(i * messagesToSend + k)
       await sendTo(sock, addr message[0], len(message),
                    name, sizeof(Sockaddr_in).SockLen)
@@ -62,7 +62,7 @@ proc launchSwarm(name: ptr SockAddr) {.async.} =
                                     16384, cast[ptr SockAddr](addr saddr),
                                     addr slen)
       size = 0
-      var grammString = $buffer
+      var grammString = $buffer.cstring
       if grammString == message:
         saveSendingPort(sockport)
         inc(recvCount)
@@ -84,7 +84,7 @@ proc readMessages(server: AsyncFD) {.async.} =
                                   16384, cast[ptr SockAddr](addr(saddr)),
                                   addr(slen))
     size = 0
-    var grammString = $buffer
+    var grammString = $buffer.cstring
     if grammString.startswith("Message ") and
        saddr.sin_addr.s_addr == 0x100007F:
       await sendTo(server, addr grammString[0], len(grammString),
diff --git a/tests/misc/treadx.nim b/tests/misc/treadx.nim
index 49b6ad691..2e3904cd1 100644
--- a/tests/misc/treadx.nim
+++ b/tests/misc/treadx.nim
@@ -6,9 +6,8 @@ when not defined(windows):
   var buf: array[0..10, char]
   while true:
     var r = read(0, addr(buf), sizeof(buf)-1)
-    add inp, $buf
+    add inp, $buf.cstring
     if r != sizeof(buf)-1: break
 
   echo inp
   #dafkladskölklödsaf ölksdakölfölksfklwe4iojr389wr 89uweokf sdlkf jweklr jweflksdj fioewjfsdlfsd
-
diff --git a/tests/system/toString.nim b/tests/system/toString.nim
index f9697ec75..cd9a49272 100644
--- a/tests/system/toString.nim
+++ b/tests/system/toString.nim
@@ -13,9 +13,6 @@ inf
 nan
 nil
 nil
-(a: 0, b: nil)
-nil
-ptr (a: 0, b: nil)'''
 """
 
 echo($(@[23, 45]))
@@ -49,12 +46,8 @@ type
     b: string
 
 var foo1: Foo
-var foo2: ref Foo
-var foo3: ptr Foo = foo1.addr
 
-echo foo1
-echo foo2
-echo foo3
+doAssert $foo1 == "(a: 0, b: nil)"
 
 const
   data = @['a','b', '\0', 'c','d']
@@ -67,5 +60,6 @@ import strutils
 # array test
 let arr = ['H','e','l','l','o',' ','W','o','r','l','d','!','\0']
 
+# not sure if this is really a good idea
 doAssert startsWith($arr, "[H, e, l, l, o,  , W, o, r, l, d, !,")
-doAssert newString(arr) == "Hello World!"
+doAssert $arr.cstring == "Hello World!"
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-13 21:02:27 +0000