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Import new gnulib.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-04-11 21:12:46 +02:00
parent 93cd84df63
commit 053cfcddf1
255 changed files with 12578 additions and 4948 deletions
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31
grub-core/gnulib/alloca.c
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@ -93,26 +93,15 @@ long i00afunc ();
static int stack_dir; /* 1 or -1 once known. */
# define STACK_DIR stack_dir
static void
find_stack_direction (void)
static int
find_stack_direction (int *addr, int depth)
{
static char *addr = NULL; /* Address of first `dummy', once known. */
auto char dummy; /* To get stack address. */
if (addr == NULL)
{ /* Initial entry. */
addr = ADDRESS_FUNCTION (dummy);
find_stack_direction (); /* Recurse once. */
}
else
{
/* Second entry. */
if (ADDRESS_FUNCTION (dummy) > addr)
stack_dir = 1; /* Stack grew upward. */
else
stack_dir = -1; /* Stack grew downward. */
}
int dir, dummy = 0;
if (! addr)
addr = &dummy;
*addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
dir = depth ? find_stack_direction (addr, depth - 1) : 0;
return dir + dummy;
}
# endif /* STACK_DIRECTION == 0 */
@ -155,7 +144,7 @@ alloca (size_t size)
# if STACK_DIRECTION == 0
if (STACK_DIR == 0) /* Unknown growth direction. */
find_stack_direction ();
STACK_DIR = find_stack_direction (NULL, (size & 1) + 20);
# endif
/* Reclaim garbage, defined as all alloca'd storage that
@ -486,4 +475,4 @@ i00afunc (long address)
# endif /* CRAY */
# endif /* no alloca */
#endif /* not GCC version 3 */
#endif /* not GCC 2 */