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Improve error chekcing

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@12353 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
CaS 2002-01-31 19:31:15 +00:00
parent 8e1b521b9c
commit fd89a44b34
2 changed files with 114 additions and 7 deletions
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115
Source/NSHashTable.m
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@ -35,6 +35,7 @@
#include <Foundation/NSArray.h>
#include <Foundation/NSException.h>
#include <Foundation/NSHashTable.h>
#include <Foundation/NSDebug.h>
#include "NSCallBacks.h"
@ -69,6 +70,12 @@ NSAllHashTableObjects(NSHashTable *table)
NSHashEnumerator enumerator;
id element;
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
return nil;
}
array = [NSMutableArray arrayWithCapacity: NSCountHashTable(table)];
/* Get an enumerator for TABLE. */
@ -95,6 +102,21 @@ NSCompareHashTables(NSHashTable *table1, NSHashTable *table2)
GSIMapTable t1 = (GSIMapTable)table1;
GSIMapTable t2 = (GSIMapTable)table2;
if (t1 == t2)
{
return YES;
}
if (t1 == 0)
{
NSWarnLog(@"Nul first argument supplied");
return NO;
}
if (t2 == 0)
{
NSWarnLog(@"Nul second argument supplied");
return NO;
}
if (t1->nodeCount != t2->nodeCount)
{
return NO;
@ -124,6 +146,12 @@ NSCopyHashTableWithZone(NSHashTable *table, NSZone *zone)
GSIMapTable t;
GSIMapNode n;
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
return 0;
}
t = (GSIMapTable)NSZoneMalloc(zone, sizeof(GSIMapTable_t));
GSIMapInitWithZoneAndCapacity(t, zone, ((GSIMapTable)table)->nodeCount);
t->extra = ((GSIMapTable)table)->extra;
@ -143,6 +171,11 @@ NSCopyHashTableWithZone(NSHashTable *table, NSZone *zone)
unsigned int
NSCountHashTable(NSHashTable *table)
{
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
return 0;
}
return ((GSIMapTable)table)->nodeCount;
}
@ -198,6 +231,10 @@ NSCreateHashTableWithZone(
void
NSEndHashTableEnumeration(NSHashEnumerator *enumerator)
{
if (enumerator == 0)
{
NSWarnLog(@"Nul enumerator argument supplied");
}
}
/**
@ -207,7 +244,17 @@ NSEndHashTableEnumeration(NSHashEnumerator *enumerator)
NSHashEnumerator
NSEnumerateHashTable(NSHashTable *table)
{
return GSIMapEnumeratorForMap((GSIMapTable)table);
if (table == 0)
{
NSHashEnumerator v = { 0, 0 };
NSWarnLog(@"Nul table argument supplied");
return v;
}
else
{
return GSIMapEnumeratorForMap((GSIMapTable)table);
}
}
/**
@ -216,10 +263,17 @@ NSEnumerateHashTable(NSHashTable *table)
void
NSFreeHashTable(NSHashTable *table)
{
NSZone *z = ((GSIMapTable)table)->zone;
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
}
else
{
NSZone *z = ((GSIMapTable)table)->zone;
GSIMapEmptyMap((GSIMapTable)table);
NSZoneFree(z, table);
GSIMapEmptyMap((GSIMapTable)table);
NSZoneFree(z, table);
}
}
/**
@ -229,8 +283,14 @@ NSFreeHashTable(NSHashTable *table)
void *
NSHashGet(NSHashTable *table, const void *element)
{
GSIMapNode n = GSIMapNodeForKey((GSIMapTable)table, (GSIMapKey)element);
GSIMapNode n;
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
return 0;
}
n = GSIMapNodeForKey((GSIMapTable)table, (GSIMapKey)element);
if (n == 0)
{
return 0;
@ -251,6 +311,11 @@ NSHashInsert(NSHashTable *table, const void *element)
{
GSIMapTable t = (GSIMapTable)table;
if (table == 0)
{
[NSException raise: NSInvalidArgumentException
format: @"Attempt to place value in nul hash table"];
}
if (element == 0)
{
[NSException raise: NSInvalidArgumentException
@ -271,6 +336,11 @@ NSHashInsertIfAbsent(NSHashTable *table, const void *element)
GSIMapTable t = (GSIMapTable)table;
GSIMapNode n;
if (table == 0)
{
[NSException raise: NSInvalidArgumentException
format: @"Attempt to place value in nul hash table"];
}
if (element == 0)
{
[NSException raise: NSInvalidArgumentException
@ -299,6 +369,11 @@ NSHashInsertKnownAbsent(NSHashTable *table, const void *element)
GSIMapTable t = (GSIMapTable)table;
GSIMapNode n;
if (table == 0)
{
[NSException raise: NSInvalidArgumentException
format: @"Attempt to place value in nul hash table"];
}
if (element == 0)
{
[NSException raise: NSInvalidArgumentException
@ -322,7 +397,14 @@ NSHashInsertKnownAbsent(NSHashTable *table, const void *element)
void
NSHashRemove(NSHashTable *table, const void *element)
{
GSIMapRemoveKey((GSIMapTable)table, (GSIMapKey)element);
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
}
else
{
GSIMapRemoveKey((GSIMapTable)table, (GSIMapKey)element);
}
}
/**
@ -334,6 +416,12 @@ NSNextHashEnumeratorItem(NSHashEnumerator *enumerator)
{
GSIMapNode n = GSIMapEnumeratorNextNode((GSIMapEnumerator)enumerator);
if (enumerator == 0)
{
NSWarnLog(@"Nul enumerator argument supplied");
return 0;
}
n = GSIMapEnumeratorNextNode((GSIMapEnumerator)enumerator);
if (n == 0)
{
return 0;
@ -350,7 +438,14 @@ NSNextHashEnumeratorItem(NSHashEnumerator *enumerator)
void
NSResetHashTable(NSHashTable *table)
{
GSIMapCleanMap((GSIMapTable)table);
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
}
else
{
GSIMapCleanMap((GSIMapTable)table);
}
}
/**
@ -367,6 +462,12 @@ NSStringFromHashTable(NSHashTable *table)
NSHashEnumerator enumerator;
const void *element;
if (table == 0)
{
NSWarnLog(@"Nul table argument supplied");
return nil;
}
/* This will be our string. */
string = [NSMutableString stringWithCapacity: 0];