Stage 1 of sendmail dist tree flattening. contrib/sendmail/contrib

prevents doing this in one pass.

1 files changed, 0 insertions, 336 deletions

diff --git a/contrib/sendmail/libsm/fseek.c b/contrib/sendmail/libsm/fseek.c
deleted file mode 100644
index 4b3fe10..0000000
--- a/contrib/sendmail/libsm/fseek.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Copyright (c) 2000-2001, 2004 Sendmail, Inc. and its suppliers.
- *      All rights reserved.
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * By using this file, you agree to the terms and conditions set
- * forth in the LICENSE file which can be found at the top level of
- * the sendmail distribution.
- */
-
-#include <sm/gen.h>
-SM_RCSID("@(#)$Id: fseek.c,v 1.47 2005/06/14 23:07:20 ca Exp $")
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <setjmp.h>
-#include <sm/time.h>
-#include <sm/signal.h>
-#include <sm/io.h>
-#include <sm/assert.h>
-#include <sm/clock.h>
-#include "local.h"
-
-#define POS_ERR	(-(off_t)1)
-
-static void	seekalrm __P((int));
-static jmp_buf SeekTimeOut;
-
-/*
-**  SEEKALRM -- handler when timeout activated for sm_io_seek()
-**
-**  Returns flow of control to where setjmp(SeekTimeOut) was set.
-**
-**	Parameters:
-**		sig -- unused
-**
-**	Returns:
-**		does not return
-**
-**	Side Effects:
-**		returns flow of control to setjmp(SeekTimeOut).
-**
-**	NOTE:	THIS CAN BE CALLED FROM A SIGNAL HANDLER.  DO NOT ADD
-**		ANYTHING TO THIS ROUTINE UNLESS YOU KNOW WHAT YOU ARE
-**		DOING.
-*/
-
-/* ARGSUSED0 */
-static void
-seekalrm(sig)
-	int sig;
-{
-	longjmp(SeekTimeOut, 1);
-}
-
-/*
-**  SM_IO_SEEK -- position the file pointer
-**
-**	Parameters:
-**		fp -- the file pointer to be seek'd
-**		timeout -- time to complete seek (milliseconds)
-**		offset -- seek offset based on 'whence'
-**		whence -- indicates where seek is relative from.
-**			One of SM_IO_SEEK_{CUR,SET,END}.
-**	Returns:
-**		Failure: returns -1 (minus 1) and sets errno
-**		Success: returns 0 (zero)
-*/
-
-int
-sm_io_seek(fp, timeout, offset, whence)
-	register SM_FILE_T *fp;
-	int SM_NONVOLATILE timeout;
-	long SM_NONVOLATILE offset;
-	int SM_NONVOLATILE whence;
-{
-	bool havepos;
-	off_t target, curoff;
-	size_t n;
-	struct stat st;
-	int ret;
-	SM_EVENT *evt = NULL;
-	register off_t (*seekfn) __P((SM_FILE_T *, off_t, int));
-
-	SM_REQUIRE_ISA(fp, SmFileMagic);
-
-	/* make sure stdio is set up */
-	if (!Sm_IO_DidInit)
-		sm_init();
-
-	/* Have to be able to seek. */
-	if ((seekfn = fp->f_seek) == NULL)
-	{
-		errno = ESPIPE;			/* historic practice */
-		return -1;
-	}
-
-	if (timeout == SM_TIME_DEFAULT)
-		timeout = fp->f_timeout;
-	if (timeout == SM_TIME_IMMEDIATE)
-	{
-		/*
-		**  Filling the buffer will take time and we are wanted to
-		**  return immediately. So...
-		*/
-
-		errno = EAGAIN;
-		return -1;
-	}
-
-#define SM_SET_ALARM()						\
-	if (timeout != SM_TIME_FOREVER)				\
-	{							\
-		if (setjmp(SeekTimeOut) != 0)			\
-		{						\
-			errno = EAGAIN;				\
-			return -1;				\
-		}						\
-		evt = sm_seteventm(timeout, seekalrm, 0);	\
-	}
-
-	/*
-	**  Change any SM_IO_SEEK_CUR to SM_IO_SEEK_SET, and check `whence'
-	**  argument. After this, whence is either SM_IO_SEEK_SET or
-	**  SM_IO_SEEK_END.
-	*/
-
-	switch (whence)
-	{
-	  case SM_IO_SEEK_CUR:
-
-		/*
-		**  In order to seek relative to the current stream offset,
-		**  we have to first find the current stream offset a la
-		**  ftell (see ftell for details).
-		*/
-
-		/* may adjust seek offset on append stream */
-		sm_flush(fp, (int *) &timeout);
-		SM_SET_ALARM();
-		if (fp->f_flags & SMOFF)
-			curoff = fp->f_lseekoff;
-		else
-		{
-			curoff = (*seekfn)(fp, (off_t) 0, SM_IO_SEEK_CUR);
-			if (curoff == -1L)
-			{
-				ret = -1;
-				goto clean;
-			}
-		}
-		if (fp->f_flags & SMRD)
-		{
-			curoff -= fp->f_r;
-			if (HASUB(fp))
-				curoff -= fp->f_ur;
-		}
-		else if (fp->f_flags & SMWR && fp->f_p != NULL)
-			curoff += fp->f_p - fp->f_bf.smb_base;
-
-		offset += curoff;
-		whence = SM_IO_SEEK_SET;
-		havepos = true;
-		break;
-
-	  case SM_IO_SEEK_SET:
-	  case SM_IO_SEEK_END:
-		SM_SET_ALARM();
-		curoff = 0;		/* XXX just to keep gcc quiet */
-		havepos = false;
-		break;
-
-	  default:
-		errno = EINVAL;
-		return -1;
-	}
-
-	/*
-	**  Can only optimise if:
-	**	reading (and not reading-and-writing);
-	**	not unbuffered; and
-	**	this is a `regular' Unix file (and hence seekfn==sm_stdseek).
-	**  We must check SMNBF first, because it is possible to have SMNBF
-	**  and SMSOPT both set.
-	*/
-
-	if (fp->f_bf.smb_base == NULL)
-		sm_makebuf(fp);
-	if (fp->f_flags & (SMWR | SMRW | SMNBF | SMNPT))
-		goto dumb;
-	if ((fp->f_flags & SMOPT) == 0)
-	{
-		if (seekfn != sm_stdseek ||
-		    fp->f_file < 0 || fstat(fp->f_file, &st) ||
-		    (st.st_mode & S_IFMT) != S_IFREG)
-		{
-			fp->f_flags |= SMNPT;
-			goto dumb;
-		}
-		fp->f_blksize = st.st_blksize;
-		fp->f_flags |= SMOPT;
-	}
-
-	/*
-	**  We are reading; we can try to optimise.
-	**  Figure out where we are going and where we are now.
-	*/
-
-	if (whence == SM_IO_SEEK_SET)
-		target = offset;
-	else
-	{
-		if (fstat(fp->f_file, &st))
-			goto dumb;
-		target = st.st_size + offset;
-	}
-
-	if (!havepos)
-	{
-		if (fp->f_flags & SMOFF)
-			curoff = fp->f_lseekoff;
-		else
-		{
-			curoff = (*seekfn)(fp, (off_t) 0, SM_IO_SEEK_CUR);
-			if (curoff == POS_ERR)
-				goto dumb;
-		}
-		curoff -= fp->f_r;
-		if (HASUB(fp))
-			curoff -= fp->f_ur;
-	}
-
-	/*
-	**  Compute the number of bytes in the input buffer (pretending
-	**  that any ungetc() input has been discarded).  Adjust current
-	**  offset backwards by this count so that it represents the
-	**  file offset for the first byte in the current input buffer.
-	*/
-
-	if (HASUB(fp))
-	{
-		curoff += fp->f_r;	/* kill off ungetc */
-		n = fp->f_up - fp->f_bf.smb_base;
-		curoff -= n;
-		n += fp->f_ur;
-	}
-	else
-	{
-		n = fp->f_p - fp->f_bf.smb_base;
-		curoff -= n;
-		n += fp->f_r;
-	}
-
-	/*
-	**  If the target offset is within the current buffer,
-	**  simply adjust the pointers, clear SMFEOF, undo ungetc(),
-	**  and return.  (If the buffer was modified, we have to
-	**  skip this; see getln in fget.c.)
-	*/
-
-	if (target >= curoff && target < curoff + (off_t) n)
-	{
-		register int o = target - curoff;
-
-		fp->f_p = fp->f_bf.smb_base + o;
-		fp->f_r = n - o;
-		if (HASUB(fp))
-			FREEUB(fp);
-		fp->f_flags &= ~SMFEOF;
-		ret = 0;
-		goto clean;
-	}
-
-	/*
-	**  The place we want to get to is not within the current buffer,
-	**  but we can still be kind to the kernel copyout mechanism.
-	**  By aligning the file offset to a block boundary, we can let
-	**  the kernel use the VM hardware to map pages instead of
-	**  copying bytes laboriously.  Using a block boundary also
-	**  ensures that we only read one block, rather than two.
-	*/
-
-	curoff = target & ~(fp->f_blksize - 1);
-	if ((*seekfn)(fp, curoff, SM_IO_SEEK_SET) == POS_ERR)
-		goto dumb;
-	fp->f_r = 0;
-	fp->f_p = fp->f_bf.smb_base;
-	if (HASUB(fp))
-		FREEUB(fp);
-	fp->f_flags &= ~SMFEOF;
-	n = target - curoff;
-	if (n)
-	{
-		/* Note: SM_TIME_FOREVER since fn timeout already set */
-		if (sm_refill(fp, SM_TIME_FOREVER) || fp->f_r < (int) n)
-			goto dumb;
-		fp->f_p += n;
-		fp->f_r -= n;
-	}
-
-	ret = 0;
-clean:
-	/*  We're back. So undo our timeout and handler */
-	if (evt != NULL)
-		sm_clrevent(evt);
-	return ret;
-dumb:
-	/*
-	**  We get here if we cannot optimise the seek ... just
-	**  do it.  Allow the seek function to change fp->f_bf.smb_base.
-	*/
-
-	/* Note: SM_TIME_FOREVER since fn timeout already set */
-	ret = SM_TIME_FOREVER;
-	if (sm_flush(fp, &ret) != 0 ||
-	    (*seekfn)(fp, (off_t) offset, whence) == POS_ERR)
-	{
-		ret = -1;
-		goto clean;
-	}
-
-	/* success: clear SMFEOF indicator and discard ungetc() data */
-	if (HASUB(fp))
-		FREEUB(fp);
-	fp->f_p = fp->f_bf.smb_base;
-	fp->f_r = 0;
-	fp->f_flags &= ~SMFEOF;
-	ret = 0;
-	goto clean;
-}