Add snappy-c in addition to the existing snappy library

src/CMakeLists.txt

@@ -25,6 +25,7 @@ include(../lib/heatshrink/CMakeLists.txt)
 include(../lib/zlib/interfaceLibForPicoSDK.cmake)
 include(../lib/zstd/interfaceLibForPicoSDK.cmake)
 include(../lib/snappy/interfaceLibForPicoSDK.cmake)
+include(../lib/snappy-c/interfaceLibForPicoSDK.cmake)
 include(../lib/brotli/interfaceLibForPicoSDK.cmake)
 
 ## Add our own C/C++ files here
@@ -35,6 +36,7 @@ add_executable(${CMAKE_PROJECT_NAME}
     algo-zlib.c
     algo-zstd.c
     algo-snappy.c
+    algo-snappyc.c
     algo-brotli.c
     main.c
 )
@@ -79,6 +81,7 @@ target_link_libraries(${CMAKE_PROJECT_NAME}
     zlib
     zstd
     snappy
+    snappyc
     brotli
 )
 

src/algo-snappy.c

@@ -1,4 +1,4 @@
-#include "algo-zlib.h"
+#include "algo-snappy.h"
 
 #include "../lib/snappy/snappy-c.h"
 

src/algo-snappyc.c

@@ -0,0 +1,20 @@
+#include "algo-zlib.h"
+
+#include "../lib/snappy-c/snappy.h"
+
+struct snappy_env env;
+
+void mysnappyc_init()
+{
+    snappy_init_env(&env);
+}
+
+void mysnappyc_compress(uint8_t *input, size_t insize, uint8_t *output, size_t *outsize)
+{
+    SNAPPYC_FUNCTION_NAME_PREFIXsnappy_compress(&env, input, insize, output, outsize);
+}
+
+void mysnappyc_uncompress(uint8_t *input, size_t insize, uint8_t *output, size_t *outsize)
+{
+    SNAPPYC_FUNCTION_NAME_PREFIXsnappy_uncompress(input, insize, output);
+}

src/algo-snappyc.h

@@ -0,0 +1,10 @@
+#ifndef __ALGO_SNAPPYC_H__
+#define __ALGO_SNAPPYC_H__
+
+#include "pico/stdlib.h"
+
+void mysnappyc_init();
+void mysnappyc_compress(uint8_t* input, size_t insize, uint8_t* output, size_t* outsize);
+void mysnappyc_uncompress(uint8_t* input, size_t insize, uint8_t* output, size_t* outsize);
+
+#endif // __ALGO_SNAPPYC_H__

src/main.c

@@ -21,6 +21,7 @@
 #include "algo-zstd.h"
 #endif
 #include "algo-snappy.h"
+#include "algo-snappyc.h"
 #if HAVE_ALGO_BROTLI
 #include "algo-brotli.h"
 #endif
@@ -63,6 +64,7 @@ enum {
     ALGO_ZSTD,
 #endif
     ALGO_SNAPPY,
+    ALGO_SNAPPYC,
 #if HAVE_ALGO_BROTLI
     ALGO_BROTLI,
 #endif
@@ -215,6 +217,12 @@ int main() {
     algos[ALGO_SNAPPY].uncompress = mysnappy_uncompress;
     algos[ALGO_SNAPPY].init();
 
+    sprintf(algos[ALGO_SNAPPYC].name, "SNAPPY-C");
+    algos[ALGO_SNAPPYC].init = mysnappyc_init;
+    algos[ALGO_SNAPPYC].compress = mysnappyc_compress;
+    algos[ALGO_SNAPPYC].uncompress = mysnappyc_uncompress;
+    algos[ALGO_SNAPPYC].init();
+
 #if HAVE_ALGO_BROTLI
     sprintf(algos[ALGO_BROTLI].name, "BROTLI");
     algos[ALGO_BROTLI].init = brotli_init;