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capability: store capability bit entries with actual bit numbers, instead of as an expanded mask

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This makes accounting of number of bits allocated easier.  Specifically, the amount of allocated
bits is computed by doing (index->highest_bit - 1) in code.
This commit is contained in:
William Pitcock 2012-02-04 05:23:15 -06:00
parent e915e51f4d
commit 8bedf01d19
1 changed files with 10 additions and 10 deletions
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20
src/capability.c
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@ -45,7 +45,7 @@ capability_get(struct CapabilityIndex *index, const char *cap)
entry = irc_dictionary_retrieve(index->cap_dict, cap); entry = irc_dictionary_retrieve(index->cap_dict, cap);
if (entry != NULL && !(entry->flags & CAP_ORPHANED)) if (entry != NULL && !(entry->flags & CAP_ORPHANED))
return entry->value; return (1 << entry->value);
return 0xFFFFFFFF; return 0xFFFFFFFF;
} }
@ -56,11 +56,13 @@ capability_put(struct CapabilityIndex *index, const char *cap)
struct CapabilityEntry *entry; struct CapabilityEntry *entry;
s_assert(index != NULL); s_assert(index != NULL);
if (!index->highest_bit)
return 0xFFFFFFFF;
if ((entry = irc_dictionary_retrieve(index->cap_dict, cap)) != NULL) if ((entry = irc_dictionary_retrieve(index->cap_dict, cap)) != NULL)
{ {
entry->flags &= ~CAP_ORPHANED; entry->flags &= ~CAP_ORPHANED;
return entry->value; return (1 << entry->value);
} }
entry = rb_malloc(sizeof(struct CapabilityEntry)); entry = rb_malloc(sizeof(struct CapabilityEntry));
@ -70,13 +72,11 @@ capability_put(struct CapabilityIndex *index, const char *cap)
irc_dictionary_add(index->cap_dict, entry->cap, entry); irc_dictionary_add(index->cap_dict, entry->cap, entry);
index->highest_bit <<= 1; index->highest_bit++;
if (index->highest_bit % (sizeof(unsigned int) * 8) == 0)
index->highest_bit = 0;
/* hmm... not sure what to do here, so i guess we will abort for now... --nenolod */ return (1 << entry->value);
if (index->highest_bit == 0)
abort();
return entry->value;
} }
void void
@ -175,7 +175,7 @@ capability_index_mask(struct CapabilityIndex *index)
DICTIONARY_FOREACH(entry, &iter, index->cap_dict) DICTIONARY_FOREACH(entry, &iter, index->cap_dict)
{ {
if (!(entry->flags & CAP_ORPHANED)) if (!(entry->flags & CAP_ORPHANED))
mask |= entry->value; mask |= (1 << entry->value);
} }
return mask; return mask;
@ -193,7 +193,7 @@ capability_index_get_required(struct CapabilityIndex *index)
DICTIONARY_FOREACH(entry, &iter, index->cap_dict) DICTIONARY_FOREACH(entry, &iter, index->cap_dict)
{ {
if (!(entry->flags & CAP_ORPHANED) && (entry->flags & CAP_REQUIRED)) if (!(entry->flags & CAP_ORPHANED) && (entry->flags & CAP_REQUIRED))
mask |= entry->value; mask |= (1 << entry->value);
} }
return mask; return mask;