ObjFW  Check-in [3577c0d81c]

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Comment:OFOverflowException -> OFOutOfRangeException.
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SHA3-256: 3577c0d81c6149946dfe15bd3c2870ce8625abf9ff39f6b49512bd455c3241be
User & Date: js on 2008-11-05 16:11:59
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Context
2008-11-05
17:13
Start documenting stuff. check-in: 2690e9848f user: js tags: trunk
16:11
OFOverflowException -> OFOutOfRangeException. check-in: 3577c0d81c user: js tags: trunk
2008-11-02
02:09
Added -data for OFArray & one new test. check-in: 61fc89489a user: js tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified src/OFArray.m from [95cb756c66] to [806072ba44].

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{
	return data;
}

- (void*)item: (size_t)item
{
	if (item >= items)
		/* FIXME: Maybe OFOutOfRangeException would be better? */
		[[OFOverflowException newWithObject: self] raise];

	return data + item * itemsize;
}

- (void*)last
{
	return data + (items - 1) * itemsize;








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{
	return data;
}

- (void*)item: (size_t)item
{
	if (item >= items)

		[[OFOutOfRangeException newWithObject: self] raise];

	return data + item * itemsize;
}

- (void*)last
{
	return data + (items - 1) * itemsize;
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	return self;
}

- addNItems: (size_t)nitems
 fromCArray: (void*)carray
{
	if (nitems > SIZE_MAX - items)
		[[OFOverflowException newWithObject: self] raise];

	data = [self resizeMem: data
		      toNItems: items + nitems
			ofSize: itemsize];

	memcpy(data + items * itemsize, carray, nitems * itemsize);
	items += nitems;

	return self;
}

- removeNItems: (size_t)nitems
{
	if (nitems > items)
		[[OFOverflowException newWithObject: self] raise];

	data = [self resizeMem: data
		      toNItems: items - nitems
			ofSize: itemsize];

	items -= nitems;









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	return self;
}

- addNItems: (size_t)nitems
 fromCArray: (void*)carray
{
	if (nitems > SIZE_MAX - items)
		[[OFOutOfRangeException newWithObject: self] raise];

	data = [self resizeMem: data
		      toNItems: items + nitems
			ofSize: itemsize];

	memcpy(data + items * itemsize, carray, nitems * itemsize);
	items += nitems;

	return self;
}

- removeNItems: (size_t)nitems
{
	if (nitems > items)
		[[OFOutOfRangeException newWithObject: self] raise];

	data = [self resizeMem: data
		      toNItems: items - nitems
			ofSize: itemsize];

	items -= nitems;
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Modified src/OFExceptions.h from [a8e30d777d] to [8fbc274411].

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     andPointer: (void*)ptr;
- initWithObject: (id)obj
      andPointer: (void*)ptr;
- (char*)cString;
- (void*)pointer;
@end

@interface OFOverflowException: OFException
+ newWithObject: (id)obj;
- initWithObject: (id)obj;
@end

@interface OFOpenFileFailedException: OFException
{
	char *path;








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     andPointer: (void*)ptr;
- initWithObject: (id)obj
      andPointer: (void*)ptr;
- (char*)cString;
- (void*)pointer;
@end

@interface OFOutOfRangeException: OFException
+ newWithObject: (id)obj;
- initWithObject: (id)obj;
@end

@interface OFOpenFileFailedException: OFException
{
	char *path;
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Modified src/OFExceptions.m from [784d18a0a4] to [8685793b88].

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- (void*)pointer
{
	return pointer;
}
@end

@implementation OFOverflowException
+ newWithObject: (id)obj
{
	return [[OFOverflowException alloc] initWithObject: obj];
}

- initWithObject: (id)obj
{
	return (self = [super initWithObject: obj]);
}

- (char*)cString
{
	if (string != NULL)
		return string;

	asprintf(&string, "ERROR: Overflow in object of class %s!\n",
	    object != nil ? [object name] : "(null)");

	return string;
}
@end

@implementation OFOpenFileFailedException








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- (void*)pointer
{
	return pointer;
}
@end

@implementation OFOutOfRangeException
+ newWithObject: (id)obj
{
	return [[OFOutOfRangeException alloc] initWithObject: obj];
}

- initWithObject: (id)obj
{
	return (self = [super initWithObject: obj]);
}

- (char*)cString
{
	if (string != NULL)
		return string;

	asprintf(&string, "ERROR: Value out of range in object of class %s!\n",
	    object != nil ? [object name] : "(null)");

	return string;
}
@end

@implementation OFOpenFileFailedException
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Modified src/OFObject.m from [6aad9c4888] to [014c4c85fd].

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{
	size_t memsize;
	
	if (nitems == 0 || size == 0)
		return NULL;

	if (size > SIZE_MAX / nitems)
		[[OFOverflowException newWithObject: self] raise];

	memsize = nitems * size;
	return [self getMemWithSize: memsize];
}

- (void*)resizeMem: (void*)ptr
	    toSize: (size_t)size








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{
	size_t memsize;
	
	if (nitems == 0 || size == 0)
		return NULL;

	if (size > SIZE_MAX / nitems)
		[[OFOutOfRangeException newWithObject: self] raise];

	memsize = nitems * size;
	return [self getMemWithSize: memsize];
}

- (void*)resizeMem: (void*)ptr
	    toSize: (size_t)size
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	if (nitems == 0 || size == 0) {
		[self freeMem: ptr];
		return NULL;
	}

	if (size > SIZE_MAX / nitems)
		[[OFOverflowException newWithObject: self] raise];

	memsize = nitems * size;
	return [self resizeMem: ptr
			toSize: memsize];
}

- freeMem: (void*)ptr;








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	if (nitems == 0 || size == 0) {
		[self freeMem: ptr];
		return NULL;
	}

	if (size > SIZE_MAX / nitems)
		[[OFOutOfRangeException newWithObject: self] raise];

	memsize = nitems * size;
	return [self resizeMem: ptr
			toSize: memsize];
}

- freeMem: (void*)ptr;
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Modified tests/OFArray/OFArray.m from [086a701808] to [d6db94dbe6].

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	void *p, *q;
	size_t i;

	puts("Trying to add too much to an array...");
	a = [OFArray newWithItemSize: 4096];
	CATCH_EXCEPTION([a addNItems: SIZE_MAX
			  fromCArray: NULL],
	    OFOverflowException)

	puts("Trying to add something after that error...");
	p = [a getMemWithSize: 4096];
	memset(p, 255, 4096);
	[a add: p];
	if (!memcmp([a last], p, 4096))
		puts("[a last] matches with p!");








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	void *p, *q;
	size_t i;

	puts("Trying to add too much to an array...");
	a = [OFArray newWithItemSize: 4096];
	CATCH_EXCEPTION([a addNItems: SIZE_MAX
			  fromCArray: NULL],
	    OFOutOfRangeException)

	puts("Trying to add something after that error...");
	p = [a getMemWithSize: 4096];
	memset(p, 255, 4096);
	[a add: p];
	if (!memcmp([a last], p, 4096))
		puts("[a last] matches with p!");
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	[a removeNItems: 2];
	if ([a items] + 2 != i) {
		puts("[a items] + 2 != i!");
		abort();
	}

	puts("Trying to remove more data than we added...");
	CATCH_EXCEPTION([a removeNItems: [a items] + 1], OFOverflowException);

	puts("Trying to access an index that does not exist...");
	CATCH_EXCEPTION([a item: [a items]], OFOverflowException);

	[a free];

	puts("Creating new array and using it to build a string...");
	a = [OFArray newWithItemSize: 1];

	for (i = 0; i < strlen(str); i++)








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	[a removeNItems: 2];
	if ([a items] + 2 != i) {
		puts("[a items] + 2 != i!");
		abort();
	}

	puts("Trying to remove more data than we added...");
	CATCH_EXCEPTION([a removeNItems: [a items] + 1], OFOutOfRangeException);

	puts("Trying to access an index that does not exist...");
	CATCH_EXCEPTION([a item: [a items]], OFOutOfRangeException);

	[a free];

	puts("Creating new array and using it to build a string...");
	a = [OFArray newWithItemSize: 1];

	for (i = 0; i < strlen(str); i++)
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