snippets work

1 files changed, 6 insertions, 1 deletions

diff --git a/src/preamble.js b/src/preamble.js
index c6752c8f..8b10b3c2 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -132,7 +132,7 @@ function _putchar(p) {
 }
 
 function _strlen(p) {
-// XXX hardcoded ptr impl
+  // XXX hardcoded ptr impl
   var q = p;
   while (HEAP[q] != 0) q++;
   return q - p;
@@ -140,6 +140,11 @@ function _strlen(p) {
 //  return p.slab.length; // XXX might want to find the null terminator...
 }
 
+function String_copy(p) {
+  // XXX hardcoded ptr impl
+  return HEAP.slice(p, p+_strlen(p)).concat([0]);
+}
+
 // stdlib.h
 
 // Get a pointer, return int value of the string it points to