diff options
Diffstat (limited to 'libgloss/rl78/sbrk.c')
-rw-r--r-- | libgloss/rl78/sbrk.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/libgloss/rl78/sbrk.c b/libgloss/rl78/sbrk.c deleted file mode 100644 index acff713fb..000000000 --- a/libgloss/rl78/sbrk.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - -Copyright (c) 2005, 2009 Red Hat Incorporated. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of Red Hat Incorporated may not be used to endorse - or promote products derived from this software without specific - prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -#include <errno.h> - -char * -_sbrk (int adj) -{ - extern char end; - static char * heap = & end; - char * rv = heap; - char * heaptop = (char *) &adj; - - heap += adj; - - /* The allocated chunk spans our stack? */ - if (rv < heaptop && heap > heaptop - /* The allocated chunk spans our address space? */ - || heap < rv) - { - errno = ENOMEM; - return (char *) -1; - } - - return rv; -} - -char * sbrk (int) __attribute__((weak, alias ("_sbrk"))); |