*** empty log message ***

2 files changed, 24 insertions, 2 deletions

diff --git a/lzfP.h b/lzfP.h
index 1ed373e..2d1a8f9 100644
--- a/lzfP.h
+++ b/lzfP.h
@@ -146,6 +146,19 @@
  */
 /*#define LZF_USE_OFFSETS autodetect */
 
+/*
+ * Whether to optimise code for size, at the expense of speed. Use
+ * this when you are extremely tight on memory, perhaps in combination
+ * with AVOID_ERRNO 1 and CHECK_INPUT 0.
+ */
+#ifndef OPTIMISE_SIZE
+# ifdef __OPTIMIZE_SIZE__
+#  define OPTIMISE_SIZE 1
+# else
+#  define OPTIMISE_SIZE 0
+# endif
+#endif
+
 /*****************************************************************************/
 /* nothing should be changed below */
 
diff --git a/lzf_d.c b/lzf_d.c
index ad2f730..91b21f0 100644
--- a/lzf_d.c
+++ b/lzf_d.c
@@ -52,7 +52,7 @@
 #endif
 #endif
 
-unsigned int 
+unsigned int
 lzf_decompress (const void *const in_data,  unsigned int in_len,
                 void             *out_data, unsigned int out_len)
 {
@@ -85,6 +85,9 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
 
 #ifdef lzf_movsb
           lzf_movsb (op, ip, ctrl);
+#elif OPTIMISE_SIZE
+          while (ctrl--)
+            *op++ = *ip++;
 #else
           switch (ctrl)
             {
@@ -141,6 +144,12 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
 #ifdef lzf_movsb
           len += 2;
           lzf_movsb (op, ref, len);
+#elif OPTIMISE_SIZE
+          len += 2;
+
+          do
+            *op++ = *ref++;
+          while (--len);
 #else
           switch (len)
             {
@@ -155,7 +164,7 @@ lzf_decompress (const void *const in_data,  unsigned int in_len,
                   }
                 else
                   {
-                    /* overlapping, use octte by octte copying */
+                    /* overlapping, use octet by octet copying */
                     do
                       *op++ = *ref++;
                     while (--len);