From 9350d977bf834f5812605a2bfe7d2e8da416e17f Mon Sep 17 00:00:00 2001
From: Emmanuel Marty <emmanuel@fgl.com>
Date: Fri, 10 Feb 2023 17:08:03 +0100
Subject: [PATCH] Add consts

---
 src/frame.c | 2 +-
 src/frame.h | 2 +-
 src/lib.h   | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/frame.c b/src/frame.c
index 8eadccc..9f47276 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -64,7 +64,7 @@ int lzsa_get_frame_size(void) {
  *
  * @return number of encoded bytes, or -1 for failure
  */
-int lzsa_encode_header(unsigned char *pFrameData, const int nMaxFrameDataSize, int nFormatVersion) {
+int lzsa_encode_header(unsigned char *pFrameData, const int nMaxFrameDataSize, const int nFormatVersion) {
    if (nMaxFrameDataSize >= 3 && (nFormatVersion == 1 || nFormatVersion == 2)) {
       pFrameData[0] = LZSA_ID_0;                         /* Magic number */
       pFrameData[1] = LZSA_ID_1;
diff --git a/src/frame.h b/src/frame.h
index fdc9e95..2f4e838 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -60,7 +60,7 @@ int lzsa_get_frame_size(void);
  *
  * @return number of encoded bytes, or -1 for failure
  */
-int lzsa_encode_header(unsigned char *pFrameData, const int nMaxFrameDataSize, int nFormatVersion);
+int lzsa_encode_header(unsigned char *pFrameData, const int nMaxFrameDataSize, const int nFormatVersion);
 
 /**
  * Encode compressed block frame header
diff --git a/src/lib.h b/src/lib.h
index 0983550..45e4c9d 100755
--- a/src/lib.h
+++ b/src/lib.h
@@ -60,11 +60,11 @@ extern "C" {
  * @param nBufferSize size of buffer in bytes
  */
 static inline void lzsa_reverse_buffer(unsigned char *pBuffer, const int nBufferSize) {
-   int nMidPoint = nBufferSize / 2;
+   const int nMidPoint = nBufferSize / 2;
    int i, j;
 
    for (i = 0, j = nBufferSize - 1; i < nMidPoint; i++, j--) {
-      unsigned char c = pBuffer[i];
+      const unsigned char c = pBuffer[i];
       pBuffer[i] = pBuffer[j];
       pBuffer[j] = c;
    }