Bash-4.3 patch 20

[platform/upstream/bash.git] / parse.y

diff --git a/parse.y b/parse.y
index 83d5b9f..cd3cf1e 100644 (file)
--- a/parse.y
+++ b/parse.y
@@ -2424,7 +2424,7 @@ shell_getc (remove_quoted_newline)
         not already end in an EOF character.  */
       if (shell_input_line_terminator != EOF)
        {
-         if (shell_input_line_size < SIZE_MAX && shell_input_line_len > shell_input_line_size - 3)
+         if (shell_input_line_size < SIZE_MAX-3 && (shell_input_line_len+3 > shell_input_line_size))
            shell_input_line = (char *)xrealloc (shell_input_line,
                                        1 + (shell_input_line_size += 2));
 
@@ -2642,7 +2642,7 @@ gather_here_documents ()
   int r;
 
   r = 0;
-  while (need_here_doc)
+  while (need_here_doc > 0)
     {
       parser_state |= PST_HEREDOC;
       make_here_document (redir_stack[r++], line_number);
@@ -6075,6 +6075,7 @@ save_parser_state (ps)
 
   ps->expand_aliases = expand_aliases;
   ps->echo_input_at_read = echo_input_at_read;
+  ps->need_here_doc = need_here_doc;
 
   ps->token = token;
   ps->token_buffer_size = token_buffer_size;
@@ -6123,6 +6124,7 @@ restore_parser_state (ps)
 
   expand_aliases = ps->expand_aliases;
   echo_input_at_read = ps->echo_input_at_read;
+  need_here_doc = ps->need_here_doc;
 
   FREE (token);
   token = ps->token;