stefanhuber · December 13, 2021 10:15 · Dec 13, 2021
diff --git a/command b/command
@@ -0,0 +1 @@
+Module._free(arrayPointer);emcc C:\00_projects\wasm-experiment\main.c -o C:\00_projects\wasm-experiment\www\sort.html -s NO_EXIT_RUNTIME=1  -s "EXPORTED_RUNTIME_METHODS=['ccall','cwrap']" -s "EXPORTED_FUNCTIONS=['_malloc','_free']"
diff --git a/glue.js b/glue.js
@@ -0,0 +1,13 @@
+const items = [-12, 4, 0, 2];
+const arrayLength = items.length;
+const bytesPerElement = Module.HEAP32.BYTES_PER_ELEMENT;
+
+const arrayPointer = Module._malloc((arrayLength * bytesPerElement));
+
+Module.HEAP32.set(items, (arrayPointer / bytesPerElement));
+
+Module.ccall('selection_sort',
+    null,
+    ['number', 'number'],
+    [arrayPointer, arrayLength]
+);
diff --git a/main.c b/main.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <emscripten.h>
+
+EMSCRIPTEN_KEEPALIVE void selection_sort (int *a, int n) {
+    int i, j, m, t;
+
+    for (i = 0; i < n; i++)
+        printf("%d%s", a[i], i == n - 1 ? "\n" : " ");
+
+
+    for (i = 0; i < n; i++) {
+        for (j = i, m = i; j < n; j++) {
+            if (a[j] < a[m]) {
+                m = j;
+            }
+        }
+        t = a[i];
+        a[i] = a[m];
+        a[m] = t;
+    }
+
+    for (i = 0; i < n; i++)
+        printf("%d%s", a[i], i == n - 1 ? "\n" : " ");
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Module._free(arrayPointer);emcc C:\00_projects\wasm-experiment\main.c -o C:\00_projects\wasm-experiment\www\sort.html -s NO_EXIT_RUNTIME=1 -s "EXPORTED_RUNTIME_METHODS=['ccall','cwrap']" -s "EXPORTED_FUNCTIONS=['_malloc','_free']"
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