diff options
Diffstat (limited to 'newlib/libc/reent/sbrkr.c')
-rw-r--r-- | newlib/libc/reent/sbrkr.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/newlib/libc/reent/sbrkr.c b/newlib/libc/reent/sbrkr.c deleted file mode 100644 index 31c9de3d5..000000000 --- a/newlib/libc/reent/sbrkr.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Reentrant version of sbrk system call. */ - -#include <reent.h> -#include <unistd.h> -#include <_syslist.h> - -/* Some targets provides their own versions of these functions. Those - targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ - -#ifdef _REENT_ONLY -#ifndef REENTRANT_SYSCALLS_PROVIDED -#define REENTRANT_SYSCALLS_PROVIDED -#endif -#endif - -/* If MALLOC_PROVIDED is defined, we don't need this function. */ - -#if defined (REENTRANT_SYSCALLS_PROVIDED) || defined (MALLOC_PROVIDED) - -int _dummy_sbrk_syscalls = 1; - -#else - -/* We use the errno variable used by the system dependent layer. */ -#undef errno -extern int errno; - -/* -FUNCTION - <<_sbrk_r>>---Reentrant version of sbrk - -INDEX - _sbrk_r - -ANSI_SYNOPSIS - #include <reent.h> - void *_sbrk_r(struct _reent *<[ptr]>, size_t <[incr]>); - -TRAD_SYNOPSIS - #include <reent.h> - void *_sbrk_r(<[ptr]>, <[incr]>) - struct _reent *<[ptr]>; - size_t <[incr]>; - -DESCRIPTION - This is a reentrant version of <<sbrk>>. It - takes a pointer to the global data block, which holds - <<errno>>. -*/ - -void * -_sbrk_r (ptr, incr) - struct _reent *ptr; - size_t incr; -{ - char *ret; - void *_sbrk(size_t); - - errno = 0; - if ((ret = (char *)(_sbrk (incr))) == (void *) -1 && errno != 0) - ptr->_errno = errno; - return ret; -} - -#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ |