no more warning

nimPNG.nim

@@ -30,7 +30,7 @@ import streams, endians, tables, hashes, math, nimz
 import private.buffer
 
 const
-  NIM_PNG_VERSION = "0.1.5"
+  NIM_PNG_VERSION = "0.1.7"
 
 type
   PNGChunkType = distinct int32

nimPNG.nimble

@@ -1,6 +1,6 @@
 [Package]
 name          = "nimPNG"
-version       = "0.1.6"
+version       = "0.1.7"
 author        = "Andri Lim"
 description   = "PNG encoder and decoder"
 license       = "MIT"

nimz.nim

@@ -250,7 +250,7 @@ proc init_coins(c: var Coins, num: int) =
 proc cleanup_coins(c: var Coins, num: int) =
   for i in 0..num-1: c[i].symbols = @[]
 
-proc cmpx(a, b: Coin): int =
+proc cmpx(a, b: Coin): int {.locks:0.} =
   var wa = a.weight
   var wb = b.weight
   if wa > wb: result = 1
@@ -265,7 +265,7 @@ proc append_symbol_coins(coins: Coins, start: int, frequencies: openarray[int],
       coins[j].symbols.add i
       inc j
 
-proc placePivot[T](a: var openArray[T], lo, hi: int): int =
+proc placePivot[T](a: var openArray[T], lo, hi: int): int {.locks:0.} =
   var pivot = lo #set pivot
   var switch_i = lo + 1
   let x = lo+1
@@ -278,14 +278,14 @@ proc placePivot[T](a: var openArray[T], lo, hi: int): int =
       inc switch_i #set location for i to switch with pivot
   result = pivot #return pivot location
 
-proc quickSort[T](a: var openArray[T], lo, hi: int) =
+proc quickSort[T](a: var openArray[T], lo, hi: int) {.locks:0.} =
   if lo >= hi: return #stop condition
   #set pivot location
   var pivot = placePivot(a, lo, hi)
   quickSort(a, lo, pivot-1) #sort bottom half
   quickSort(a, pivot+1, hi) #sort top half
 
-proc quickSort[T](a: var openArray[T], length = -1) =
+proc quickSort[T](a: var openArray[T], length = -1) {.locks:0.} =
   var lo = 0
   var hi = if length < 0: a.high else: length-1
   quickSort(a, lo, hi)