Updatewip

2 files changed, 4 insertions, 1 deletions

diff --git a/README.md b/README.md
index 6b6a3e7..bbfce54 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ Sample program to embed messages into PNG images
 
 ## Install
 
+**NOTE:** Set the core_count variable to one value lower than maximum cores on the host in cmd/pspng.c
+
 Requires zlib, pthread, and sodium header files to compile (These will be distro specific packages)
 
 Build:
diff --git a/cmd/pspng.c b/cmd/pspng.c
index 2bf9d7a..8a99a31 100644
--- a/cmd/pspng.c
+++ b/cmd/pspng.c
@@ -265,7 +265,8 @@ static int crc_embed_data(unsigned char *data, unsigned int data_length, int bit
 	raw_data = create_raw_pixel_values(data, bit_width, color_range, sliding_window);
 	random_window_bit_change(data, raw_data, bit_width, 2, color_range, sliding_window, offset);
 
-	if(offset > 500000) {
+	//if(offset > 500000) {
+	if(offset == -1) {
 		new_data = calloc(300000, sizeof(unsigned char));
 		for(int k = 0; k < 300000; k++) {
 			new_data[k] = data[offset-(offset-prior_offset-1)+k];