diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/stdlib/malloc-930716/Makefile | 2 | ||||
| -rw-r--r-- | libc/stdlib/malloc-930716/valloc.c | 61 |
2 files changed, 62 insertions, 1 deletions
diff --git a/libc/stdlib/malloc-930716/Makefile b/libc/stdlib/malloc-930716/Makefile index cc746707e..2e3ee21a7 100644 --- a/libc/stdlib/malloc-930716/Makefile +++ b/libc/stdlib/malloc-930716/Makefile @@ -25,7 +25,7 @@ TOPDIR=../../../ include $(TOPDIR)Rules.mak # calloc.c can be found at uClibc/libc/stdlib/calloc.c -CSRC=malloc.c +CSRC=malloc.c valloc.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(COBJS) diff --git a/libc/stdlib/malloc-930716/valloc.c b/libc/stdlib/malloc-930716/valloc.c new file mode 100644 index 000000000..bfb9efd2a --- /dev/null +++ b/libc/stdlib/malloc-930716/valloc.c @@ -0,0 +1,61 @@ +/* vi: set sw=4 ts=4: */ +/* Allocate memory on a page boundary. + Copyright (C) 1991, 1992 Free Software Foundation, Inc. + +This library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +This library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with this library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. + + The author may be reached (Email) at the address mike@@ai.mit.edu, + or (US mail) as Mike Haertel c/o Free Software Foundation. */ + +#include <stdlib.h> +#include "malloc.h" + +#ifdef emacs +#include "config.h" +#endif + +#ifdef __GNU_LIBRARY__ +extern size_t __getpagesize __P ((void)); +#else +#ifndef USG +extern size_t getpagesize __P ((void)); +#define __getpagesize() getpagesize() +#else +#include <sys/param.h> +#ifdef EXEC_PAGESIZE +#define __getpagesize() EXEC_PAGESIZE +#else /* No EXEC_PAGESIZE. */ +#ifdef NBPG +#ifndef CLSIZE +#define CLSIZE 1 +#endif /* No CLSIZE. */ +#define __getpagesize() (NBPG * CLSIZE) +#else /* No NBPG. */ +#define __getpagesize() NBPC +#endif /* NBPG. */ +#endif /* EXEC_PAGESIZE. */ +#endif /* USG. */ +#endif + +static size_t pagesize; + +__ptr_t valloc (size_t size) +{ + if (pagesize == 0) + pagesize = __getpagesize (); + + return memalign (pagesize, size); +} |