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ALIGN_XXX( v ) macros now leave v alone if it was already aligned.

This commit is contained in:
Florian Westphal 2006-07-01 22:11:48 +00:00
parent e9e1fa459b
commit 161340d486
1 changed files with 6 additions and 8 deletions
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14
src/ngircd/array.c
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@ -12,7 +12,7 @@
#include "array.h"
static char UNUSED id[] = "$Id: array.c,v 1.10 2006/05/09 17:02:40 fw Exp $";
static char UNUSED id[] = "$Id: array.c,v 1.11 2006/07/01 22:11:48 fw Exp $";
#include <assert.h>
@ -28,17 +28,15 @@ static char UNUSED id[] = "$Id: array.c,v 1.10 2006/05/09 17:02:40 fw Exp $";
#define array_UNUSABLE(x) ( !(x)->mem || (0 == (x)->allocated) )
#define ALIGN_32U(x) (((x) | 0x1fU) +1)
#define ALIGN_1024U(x) (((x) | 0x3ffU) +1)
#define ALIGN_4096U(x) (((x) | 0xfffU) +1)
#define ALIGN_32U(x) (((x)+31U ) & ~(31U))
#define ALIGN_1024U(x) (((x)+1023U) & ~(1023U))
#define ALIGN_4096U(x) (((x)+4095U) & ~(4095U))
static bool
safemult_sizet(size_t a, size_t b, size_t *res)
{
size_t tmp;
tmp = a * b;
size_t tmp = a * b;
if (b && (tmp / b != a))
return false;
@ -56,7 +54,7 @@ array_init(array *a)
a->allocated = 0;
a->used = 0;
}
/* if realloc() fails, array_alloc return NULL. otherwise return pointer to elem pos in array */
void *