snippets work

3 files changed, 21 insertions, 7 deletions

diff --git a/src/parser.js b/src/parser.js
index 491e31f5..b9873175 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -1942,8 +1942,9 @@ function JSify(data) {
   substrate.addZyme('FunctionStub', {
     selectItem: function(item) { return item.intertype == 'functionStub' && !item.JS },
     processItem: function(item) {
-      if (item.ident in Snippets) {
-        item.JS = item.ident + ' = ' + Snippets[item.ident].toString();
+      var shortident = item.ident.substr(1);
+      if (shortident in Snippets) {
+        item.JS = item.ident + ' = ' + Snippets[shortident].toString();
       } else {
         item.JS = '// stub for ' + item.ident;
       }
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
diff --git a/src/snippets.js b/src/snippets.js
index b9f6267f..a93fd0fd 100644
--- a/src/snippets.js
+++ b/src/snippets.js
@@ -1,5 +1,5 @@
 var Snippets = {
-  _vsnprintf: function(dst, num, src, ptr) {
+  vsnprintf: function(dst, num, src, ptr) {
     var args = [];
     while (HEAP[ptr] != 0) {
       args.push(HEAP[ptr]);
@@ -12,11 +12,19 @@ var Snippets = {
     }
   },
 
-  _atexit: function(func) {
+  atexit: function(func) {
     __ATEXIT__.push(func);
   },
+
+  strspn: function(pstr, pset) {
+    var str = String_copy(pstr);
+    var set = String_copy(pset);
+    var i = 0;
+    while (set.indexOf(str[i]) != -1) i++; // Must halt, as 0 is in both
+    return i;
+  },
 };
 
-// Synonyms
-Snippets.___cxa_atexit = Snippets._atexit;
+// Aliases
+Snippets.__cxa_atexit = Snippets.atexit;