From 0b79c6e24a4cc293ef48bad0a4ae72407d84b74a Mon Sep 17 00:00:00 2001
From: hugovk <hugovk@users.noreply.github.com>
Date: Thu, 5 Mar 2015 21:07:16 +0200
Subject: [PATCH] Remove unreachable code (if 0)

---
 PIL/PngImagePlugin.py  | 14 +++++---------
 libImaging/Dib.c       | 13 -------------
 libImaging/Geometry.c  | 17 -----------------
 libImaging/QuantHash.c | 19 -------------------
 4 files changed, 5 insertions(+), 58 deletions(-)

diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py
index 7a9becd3b..d8593f90d 100644
--- a/PIL/PngImagePlugin.py
+++ b/PIL/PngImagePlugin.py
@@ -175,7 +175,7 @@ class iTXt(str):
         :param lang: language code
         :param tkey: UTF-8 version of the key name
         """
-        
+
         self = str.__new__(cls, text)
         self.lang = lang
         self.tkey = tkey
@@ -198,7 +198,7 @@ class PngInfo:
         :param data: a byte string of the encoded data
 
         """
-        
+
         self.chunks.append((cid, data))
 
     def add_itxt(self, key, value, lang="", tkey="", zip=False):
@@ -211,7 +211,7 @@ class PngInfo:
         :param zip: compression flag
 
         """
-        
+
         if not isinstance(key, bytes):
             key = key.encode("latin-1", "strict")
         if not isinstance(value, bytes):
@@ -235,7 +235,7 @@ class PngInfo:
         :param value: value for this key, text or an
            :py:class:`PIL.PngImagePlugin.iTXt` instance
         :param zip: compression flag
-        
+
         """
         if isinstance(value, iTXt):
             return self.add_itxt(key, value, value.lang, value.tkey, bool(zip))
@@ -462,7 +462,7 @@ class PngStream(ChunkStream):
 
         self.im_info[k] = self.im_text[k] = iTXt(v, lang, tk)
         self.check_text_memory(len(v))
-            
+
         return s
 
 
@@ -729,10 +729,6 @@ def _save(im, fp, filename, chunk=putchunk, check=0):
             alpha_bytes = 2**bits
             chunk(fp, b"tRNS", alpha[:alpha_bytes])
 
-    if 0:
-        # FIXME: to be supported some day
-        chunk(fp, b"gAMA", o32(int(gamma * 100000.0)))
-
     dpi = im.encoderinfo.get("dpi")
     if dpi:
         chunk(fp, b"pHYs",
diff --git a/libImaging/Dib.c b/libImaging/Dib.c
index 8e138bd6b..55de7d9a5 100644
--- a/libImaging/Dib.c
+++ b/libImaging/Dib.c
@@ -204,19 +204,6 @@ ImagingNewDIB(const char *mode, int xsize, int ysize)
 
 #endif
 
-#if 0
-	    {
-		/* DEBUG: dump palette to file */
-		FILE *err = fopen("dib.pal", "w");
-		for (i = 0; i < 256; i++)
-		    fprintf(err, "%d: %d/%d/%d\n", i,
-			    pal->palPalEntry[i].peRed,
-			    pal->palPalEntry[i].peGreen,
-			    pal->palPalEntry[i].peBlue);
-		fclose(err);
-	    }
-#endif
-
 	    dib->palette = CreatePalette(pal);
 
 	}
diff --git a/libImaging/Geometry.c b/libImaging/Geometry.c
index f586974c3..97cbcf2ed 100644
--- a/libImaging/Geometry.c
+++ b/libImaging/Geometry.c
@@ -304,23 +304,6 @@ perspective_transform(double* xin, double* yin, int x, int y, void* data)
     return 1;
 }
 
-#if 0
-static int
-quadratic_transform(double* xin, double* yin, int x, int y, void* data)
-{
-    double* a = (double*) data;
-
-    double a0 = a[0]; double a1 = a[1]; double a2 = a[2]; double a3 = a[3];
-    double a4 = a[4]; double a5 = a[5]; double a6 = a[6]; double a7 = a[7];
-    double a8 = a[8]; double a9 = a[9]; double a10 = a[10]; double a11 = a[11];
-
-    xin[0] = a0 + a1*x + a2*y + a3*x*x + a4*x*y + a5*y*y;
-    yin[0] = a6 + a7*x + a8*y + a9*x*x + a10*x*y + a11*y*y;
-
-    return 1;
-}
-#endif
-
 static int
 quad_transform(double* xin, double* yin, int x, int y, void* data)
 {
diff --git a/libImaging/QuantHash.c b/libImaging/QuantHash.c
index a1f99ed3a..48b7a973e 100644
--- a/libImaging/QuantHash.c
+++ b/libImaging/QuantHash.c
@@ -44,9 +44,6 @@ struct _HashTable {
 #define RESIZE_FACTOR 3
 
 static int _hashtable_insert_node(HashTable *,HashNode *,int,int,CollisionFunc);
-#if 0
-static int _hashtable_test(HashTable *);
-#endif
 
 HashTable *hashtable_new(HashFunc hf,HashCmpFunc cf) {
    HashTable *h;
@@ -132,22 +129,6 @@ static void _hashtable_resize(HashTable *h) {
    }
 }
 
-#if 0
-static int _hashtable_test(HashTable *h) {
-   uint32_t i;
-   int j;
-   HashNode *n;
-   for (i=0;i<h->length;i++) {
-      for (n=h->table[i];n&&n->next;n=n->next) {
-         j=h->cmpFunc(h,n->key,n->next->key);
-         printf ("%c",j?(j<0?'-':'+'):'=');
-      }
-      printf ("\n");
-   }
-   return 0;
-}
-#endif
-
 static int _hashtable_insert_node(HashTable *h,HashNode *node,int resize,int update,CollisionFunc cf) {
    uint32_t hash=h->hashFunc(h,node->key)%h->length;
    HashNode **n,*nv;