HEREDOC could fail with NUL terminated lines; fix#3244

45aadd7e · Yukihiro "Matz" Matsumoto · e86ead43 · 45aadd7e
Commit 45aadd7e authored 8 years ago by Yukihiro "Matz" Matsumoto
Show whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

mrbgems/mruby-compiler/core/parse.y mrbgems/mruby-compiler/core/parse.y +2 -0

No files found.
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -3907,6 +3907,8 @@ parse_string(parser_state *p)
  int end = (intptr_t)p->lex_strterm->cdr->cdr->cdr;
  parser_heredoc_info *hinf = (type & STR_FUNC_HEREDOC) ? parsing_heredoc_inf(p) : NULL;

+  if (beg == 0) beg = -3;       /* should never happen */
+  if (end == 0) end = -3;
  newtok(p);
  while ((c = nextc(p)) != end || nest_level != 0) {
    if (hinf && (c == '\n' || c < 0)) {