update readme

README.md

@@ -1,3 +1,7 @@
+# C template
+
+Template backend project for Rust
+
 # How to build
 
 This app could be built either with docker 

main.c

@@ -1,25 +1,6 @@
 #include "sdk/allocator.h"
 #include "sdk/logger.h"
-#include <string.h>
-
-const char *const greeting = "Hello world! From ";
-const int RESPONSE_SIZE_BYTES = 4;
 
 char *invoke(const char *str, int length) {
-    const size_t greeting_length = strlen(greeting);
-    // TODO: add check for overflow
-    const size_t response_length = length + RESPONSE_SIZE_BYTES + greeting_length;
 
-    char *response = (char *)allocate(response_length);
-
-    wasm_log(str, length);
-
-    for(int i = 0; i < RESPONSE_SIZE_BYTES; ++i) {
-        response[i] = (response_length >> 8*i) & 0xFF;
-    }
-
-    memcpy(response + RESPONSE_SIZE_BYTES, greeting, greeting_length);
-    memcpy(response + RESPONSE_SIZE_BYTES + greeting_length, str, length);
-
-    return response;
 }