global: convert indentation-TABs to spaces

Transformed via this shell code:
t=$'\t'
git ls-files \
  | grep -vE '(^|/)((GNU)?[Mm]akefile|ChangeLog)|\.(am|mk)$' \
  | grep -vE 'tests/pr/|help2man' \
  | xargs grep -lE "^ *$t" \
  | xargs perl -MText::Tabs -ni -le \
    '$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'

1 files changed, 42 insertions, 42 deletions

diff --git a/src/tac-pipe.c b/src/tac-pipe.c
index 17e86c070..1612e2d48 100644
--- a/src/tac-pipe.c
+++ b/src/tac-pipe.c
@@ -62,52 +62,52 @@ buf_init_from_stdin (Buf *x, char eol_byte)
       size_t bytes_read;
 
       if (buf == NULL)
-	{
-	  /* Fall back on the code that relies on a temporary file.
-	     Write all buffers to that file and free them.  */
-	  /* FIXME */
-	  ok = false;
-	  break;
-	}
+        {
+          /* Fall back on the code that relies on a temporary file.
+             Write all buffers to that file and free them.  */
+          /* FIXME */
+          ok = false;
+          break;
+        }
       bytes_read = full_read (STDIN_FILENO, buf, BUFFER_SIZE);
       if (bytes_read != buffer_size && errno != 0)
-	error (EXIT_FAILURE, errno, _("read error"));
+        error (EXIT_FAILURE, errno, _("read error"));
 
       {
-	struct B_pair bp;
-	bp.start = buf;
-	bp.one_past_end = buf + bytes_read;
-	obstack_grow (OBS, &bp, sizeof (bp));
+        struct B_pair bp;
+        bp.start = buf;
+        bp.one_past_end = buf + bytes_read;
+        obstack_grow (OBS, &bp, sizeof (bp));
       }
 
       if (bytes_read != 0)
-	last_byte_is_eol_byte = (buf[bytes_read - 1] == eol_byte);
+        last_byte_is_eol_byte = (buf[bytes_read - 1] == eol_byte);
 
       if (bytes_read < BUFFER_SIZE)
-	break;
+        break;
     }
 
   if (ok)
     {
       /* If the file was non-empty and lacked an EOL_BYTE at its end,
-	 then add a buffer containing just that one byte.  */
+         then add a buffer containing just that one byte.  */
       if (!last_byte_is_eol_byte)
-	{
-	  char *buf = malloc (1);
-	  if (buf == NULL)
-	    {
-	      /* FIXME: just like above */
-	      ok = false;
-	    }
-	  else
-	    {
-	      struct B_pair bp;
-	      *buf = eol_byte;
-	      bp.start = buf;
-	      bp.one_past_end = buf + 1;
-	      obstack_grow (OBS, &bp, sizeof (bp));
-	    }
-	}
+        {
+          char *buf = malloc (1);
+          if (buf == NULL)
+            {
+              /* FIXME: just like above */
+              ok = false;
+            }
+          else
+            {
+              struct B_pair bp;
+              *buf = eol_byte;
+              bp.start = buf;
+              bp.one_past_end = buf + 1;
+              obstack_grow (OBS, &bp, sizeof (bp));
+            }
+        }
     }
 
   x->n_bufs = obstack_object_size (OBS) / sizeof (x->p[0]);
@@ -172,7 +172,7 @@ line_ptr_increment (const Buf *x, const Line_ptr *lp)
 
 static bool
 find_bol (const Buf *x,
-	  const Line_ptr *last_bol, Line_ptr *new_bol, char eol_byte)
+          const Line_ptr *last_bol, Line_ptr *new_bol, char eol_byte)
 {
   size_t i;
   Line_ptr tmp;
@@ -188,16 +188,16 @@ find_bol (const Buf *x,
     {
       char *nl = memrchr (x->p[i].start, last_bol_ptr, eol_byte);
       if (nl)
-	{
-	  Line_ptr nl_pos;
-	  nl_pos.i = i;
-	  nl_pos.ptr = nl;
-	  *new_bol = line_ptr_increment (x, &nl_pos);
-	  return true;
-	}
+        {
+          Line_ptr nl_pos;
+          nl_pos.i = i;
+          nl_pos.ptr = nl;
+          *new_bol = line_ptr_increment (x, &nl_pos);
+          return true;
+        }
 
       if (i == 0)
-	break;
+        break;
 
       --i;
       last_bol_ptr = ONE_PAST_END (x, i);
@@ -218,7 +218,7 @@ find_bol (const Buf *x,
 
 static void
 print_line (FILE *out_stream, const Buf *x,
-	    const Line_ptr *bol, const Line_ptr *bol_next)
+            const Line_ptr *bol, const Line_ptr *bol_next)
 {
   size_t i;
   for (i = bol->i; i <= bol_next->i; i++)
@@ -254,7 +254,7 @@ tac_mem ()
     {
       Line_ptr new_bol;
       if (! find_bol (&x, &bol, &new_bol, eol_byte))
-	break;
+        break;
       print_line (stdout, &x, &new_bol, &bol);
       bol = new_bol;
     }