stupid sign extension

9 years ago · 05e4dcc94a
parent 624412ce03
commit 05e4dcc94a
1 changed files with 1 additions and 1 deletions
--- a/scan/scan_varint.c
+++ b/scan/scan_varint.c
@ -5,7 +5,7 @@ size_t scan_varint(const char* in,size_t len, unsigned long long* n) {
  unsigned long long l;
  if (len==0) return 0;
  for (l=0, i=0; i<len; ++i) {
-    l+=(in[i]&0x7f) << (i*7);
+    l+=(unsigned long long)(in[i]&0x7f) << (i*7);
    if (!(in[i]&0x80)) {
      *n=l;
      return i+1;