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authorZack Weinberg <zackw@panix.com>2018-02-21 14:38:24 -0500
committerZack Weinberg <zackw@panix.com>2018-02-21 14:39:54 -0500
commit30bfee2630b960050d1d50cafaab43fc171abc03 (patch)
tree0e07b4ca9b2e087edec24afe3bfa07b42f7cfdb2 /libio/oldfileops.c
parentdf6c012b99499d95ed7fee53553a9f4d4473ccae (diff)
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Remove miscellaneous debris from libio.
This patch eliminates a number of #if 0 and #ifdef TODO blocks, macros
that are never used, macros that provide portability to substrates that
lack basic things like EINVAL and off_t, and other such debris.

I preserved IO_DEBUG and CHECK_FILE, even though as far as I can tell
IO_DEBUG is never defined and therefore CHECK_FILE never does
anything, because it seems like we might actually want to turn it _on_.

Installed stripped libraries and executables are unchanged, except,
again, that the line number of an assertion changes (this time it's
somewhere in fileops.c).

	* libio/libio.h (_IO_pos_BAD, _IO_pos_0, _IO_pos_adjust):
	Define here, unconditionally.
	* libio/iolibio.h (_IO_pos_BAD): Don't define here.
	* libio/libioP.h: Remove #if 0 blocks.
	(_IO_pos_BAD, _IO_pos_0, _IO_pos_adjust): Don't define here.
	(_IO_va_start, COERCE_FILE, MAYBE_SET_EINVAL): Don't define.
	(CHECK_FILE): Don't use MAYBE_SET_EINVAL or COERCE_FILE.  Fix style.

	* libio/clearerr.c, libio/fputc.c, libio/getchar.c:
	Assume weak_alias is always defined.

	* libio/fileops.c, libio/genops.c, libio/oldfileops.c
	* libio/oldpclose.c, libio/pclose.c, libio/wfileops.c:
	Remove #if 0 and #ifdef TODO blocks.
	Assume text_set_element is always defined.

	* libio/iofdopen.c, libio/iogetdelim.c, libio/oldiofdopen.c
	Use __set_errno (EINVAL) instead of MAYBE_SET_EINVAL.
	* libio/tst-mmap-eofsync.c: Make #if 1 block unconditional.
Diffstat (limited to 'libio/oldfileops.c')
-rw-r--r--libio/oldfileops.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/libio/oldfileops.c b/libio/oldfileops.c
index 7298bf5324..7997ddf90b 100644
--- a/libio/oldfileops.c
+++ b/libio/oldfileops.c
@@ -516,10 +516,6 @@ _IO_old_file_seekoff (FILE *fp, off64_t offset, int dir, int mode)
                           + (fp->_IO_read_end - fp->_IO_read_base));
       if (rel_offset >= 0)
 	{
-#if 0
-	  if (_IO_in_backup (fp))
-	    _IO_switch_to_main_get_area (fp);
-#endif
 	  if (rel_offset <= fp->_IO_read_end - fp->_IO_read_base)
 	    {
 	      _IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + rel_offset,