bug-bash
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Newlines resulting from alias expansion are ignored by here-document


From: gldrk
Subject: Re: Newlines resulting from alias expansion are ignored by here-document processing
Date: Thu, 30 Nov 2023 14:04:13 +0300

This patch appears to solve the issue. As far as I can tell, this routine is only used for here-documents.

diff --git a/parse.y b/parse.y
index 8fd24a1c..4d361af7 100644
--- a/parse.y
+++ b/parse.y
@@ -2083,6 +2083,8 @@ read_a_line (remove_quoted_newline)
   static char *line_buffer = (char *)NULL;
   static int buffer_size = 0;
   int indx, c, peekc, pass_next;
+  /* Cannibalize our own input buffer. */
+  int prefetch;

 #if defined (READLINE)
   if (no_line_editing && SHOULD_PROMPT ())
@@ -2092,12 +2094,21 @@ read_a_line (remove_quoted_newline)
     print_prompt ();

   pass_next = indx = 0;
+  prefetch = shell_input_line_index < shell_input_line_len;
   while (1)
     {
       /* Allow immediate exit if interrupted during input. */
       QUIT;

-      c = yy_getc ();
+      if (prefetch)
+        {
+          if (c = shell_input_line[shell_input_line_index])
+            shell_input_line_index++;
+          else
+            c = '\n', prefetch = 0;
+        }
+      else
+        c = yy_getc ();

       /* Ignore null bytes in input. */
       if (c == 0)




reply via email to

[Prev in Thread] Current Thread [Next in Thread]