cleanup: use debug logging instead of info in runtime, fix C example (#214)

c/Makefile

@@ -1,2 +1,2 @@
 build:
-	clang -o main main.c -lextism -L .
+	clang -g -o main main.c -lextism -L .

c/main.c

@@ -9,9 +9,9 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-void hello_world(ExtismCurrentPlugin *plugin, const struct ExtismVal *inputs,
-                 uint64_t n_inputs, struct ExtismVal *outputs,
-                 uint64_t n_outputs, void *data) {
+void hello_world(ExtismCurrentPlugin *plugin, const ExtismVal *inputs,
+                 uint64_t n_inputs, ExtismVal *outputs, uint64_t n_outputs,
+                 void *data) {
   puts("Hello from C!");
   puts(data);
 
@@ -61,7 +61,8 @@ int main(int argc, char *argv[]) {
   ExtismValType outputs[] = {I64};
   ExtismFunction *f = extism_function_new("hello_world", inputs, 1, outputs, 1,
                                           hello_world, "Hello, again!", NULL);
-  ExtismPlugin plugin = extism_plugin_new(ctx, data, len, &f, 1, true);
+  ExtismPlugin plugin =
+      extism_plugin_new(ctx, data, len, (const ExtismFunction **)&f, 1, true);
   free(data);
   if (plugin < 0) {
     puts(extism_error(ctx, -1));

node/example.js

@@ -42,5 +42,5 @@ withContext(async function (context) {
 // or, use a context like this:
 // let ctx = new Context();
 // let wasm = readFileSync("../wasm/code.wasm");
-// let p = ctx.plugin(wasm, wasi = true);
+// let p = ctx.plugin(wasm);
 // ... where the context can be passed around to various functions etc.

runtime/src/memory.rs

@@ -173,7 +173,7 @@ impl PluginMemory {
                 pages_needed = 1
             }
 
-            info!("Requesting {pages_needed} more pages");
+            debug!("Requesting {pages_needed} more pages");
             // This will fail if we've already allocated the maximum amount of memory allowed
             self.memory.grow(&mut self.store, pages_needed)?;
         }
@@ -183,7 +183,7 @@ impl PluginMemory {
             length: n,
         };
 
-        info!(
+        debug!(
             "Allocated new block: {} bytes at offset {}",
             mem.length, mem.offset
         );
@@ -202,7 +202,7 @@ impl PluginMemory {
 
     /// Free the block allocated at `offset`
     pub fn free(&mut self, offset: usize) {
-        info!("Freeing block at {offset}");
+        debug!("Freeing block at {offset}");
         if let Some(length) = self.live_blocks.remove(&offset) {
             self.free.push(MemoryBlock { offset, length });
         } else {

runtime/src/plugin.rs

@@ -356,7 +356,7 @@ impl Runtime {
                     &[Val::I32(0), Val::I32(0)],
                     results.as_mut_slice(),
                 )?;
-                info!("Initialized Haskell language runtime");
+                debug!("Initialized Haskell language runtime");
             }
         }
         Ok(())
@@ -370,7 +370,7 @@ impl Runtime {
                 let mut results =
                     vec![Val::null(); cleanup.ty(&plugin.memory.store).results().len()];
                 cleanup.call(&mut plugin.memory.store, &[], results.as_mut_slice())?;
-                info!("Cleaned up Haskell language runtime");
+                debug!("Cleaned up Haskell language runtime");
             }
         }
 

runtime/src/sdk.rs

@@ -331,7 +331,7 @@ pub unsafe extern "C" fn extism_plugin_update(
     ctx.plugins
         .insert(index, std::cell::UnsafeCell::new(plugin));
 
-    info!("Plugin updated: {index}");
+    debug!("Plugin updated: {index}");
     true
 }