From bedd2e7ccb1595c23e159eaa952ae1b0b5a3d2ad Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Sat, 15 Mar 2014 01:49:50 +0100
Subject: Lean and mean initial commit

Not much functionality yet
---
 fmt_asn1intpayload.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 fmt_asn1intpayload.c

(limited to 'fmt_asn1intpayload.c')

diff --git a/fmt_asn1intpayload.c b/fmt_asn1intpayload.c
new file mode 100644
index 0000000..15e71ca
--- /dev/null
+++ b/fmt_asn1intpayload.c
@@ -0,0 +1,20 @@
+#include "asn1.h"
+
+size_t fmt_asn1intpayload(char* dest,unsigned long l) {
+  size_t needed=sizeof l,i,fixup;
+  for (i=1; i<needed; ++i) {
+    if (!(l>>(i*8)))
+      break;
+  }
+  fixup=(l>>((i-1)*8))&0x80 ? 1 : 0;
+  if (dest) {
+    size_t j=i;
+    if (fixup) *dest++=0;
+    while (j) {
+      --j;
+      *dest=(l>>(j*8))&0xff;
+      ++dest;
+    }
+  }
+  return i+fixup;
+}
-- 
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