Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2007 Pekka Riikonen
+ Copyright (C) 2007 - 2008 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-#include "silc.h"
+#include "silcruntime.h"
#define SILC_BIT_POS(bit) (bit / SILC_BIT_SIZE)
#define SILC_BIT_MASK(bit) (1UL << (bit % SILC_BIT_SIZE))
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit);
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
return FALSE;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
+ return FALSE;
+ }
bitmap[pos] |= mask;
return TRUE;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit);
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ return FALSE;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
return FALSE;
+ }
bitmap[pos] &= ~mask;
return TRUE;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit);
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ return FALSE;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
return FALSE;
+ }
bitmap[pos] ^= mask;
return TRUE;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit), ret;
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
return -1;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
+ return -1;
+ }
ret = bitmap[pos];
bitmap[pos] ^= mask;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit), ret;
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ return -1;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
return -1;
+ }
ret = bitmap[pos];
bitmap[pos] &= ~mask;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit), ret;
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
return -1;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
+ return -1;
+ }
ret = bitmap[pos];
bitmap[pos] ^= mask;
SilcUInt32 pos = SILC_BIT_POS(bit);
unsigned long mask = SILC_BIT_MASK(bit);
- if (!bitmap || pos >= bitmap_size)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ return -1;
+ }
+ if (pos >= bitmap_size) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
return -1;
+ }
return (bitmap[pos] & mask) != 0;
}
{
register SilcUInt32 i;
- if (!bitmap || offset >= bitmap_size * SILC_BIT_SIZE)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
return -1;
+ }
+ if (offset >= bitmap_size * SILC_BIT_SIZE) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
+ return -1;
+ }
for (i = offset; i < bitmap_size * SILC_BIT_SIZE; i++)
if (bitmap[SILC_BIT_POS(i)] & SILC_BIT_MASK(i))
return i;
+ silc_set_errno(SILC_ERR_NOT_FOUND);
return -1;
}
{
register SilcUInt32 i;
- if (!bitmap || offset >= bitmap_size * SILC_BIT_SIZE)
+ if (!bitmap) {
+ silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
+ return -1;
+ }
+ if (offset >= bitmap_size * SILC_BIT_SIZE) {
+ silc_set_errno(SILC_ERR_OVERFLOW);
return -1;
+ }
for (i = offset; i < bitmap_size * SILC_BIT_SIZE; i++)
if ((bitmap[SILC_BIT_POS(i)] & SILC_BIT_MASK(i)) == 0)
return i;
+ silc_set_errno(SILC_ERR_NOT_FOUND);
return -1;
}