ObjFW  Check-in [9944a6f8a4]

Overview
Comment:Some exception stuff & withSize -> ofSize for OFObject.
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SHA3-256: 9944a6f8a47959b19054dddc9b09cc0733e2bca11a5c3bcc6e50a1bcf051a8ee
User & Date: js on 2008-11-01 22:20:33
Other Links: manifest | tags
Context
2008-11-02
00:27
Some fixes for OFObject. check-in: 9ff3dbe9f9 user: js tags: trunk
2008-11-01
22:20
Some exception stuff & withSize -> ofSize for OFObject. check-in: 9944a6f8a4 user: js tags: trunk
21:47
Allow using [ofobject resizeMem: NULL toSize: size]. check-in: a6b45eec2f user: js tags: trunk
Changes
Hide Diffs Side-by-Side Diffs Ignore Whitespace Patch

Modified src/OFFile.m from [b1dd678aec] to [6b6d44b5bf].

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	return symlink(src, dest);
}

- initWithPath: (const char*)path
       andMode: (const char*)mode
{
	if ((self = [super init])) {
		if ((fp = fopen(path, mode)) == NULL) {
		if ((fp = fopen(path, mode)) == NULL)
			[[OFOpenFileFailedException newWithObject: self
							  andPath: path
							  andMode: mode] raise];
			[self free];
			return nil;
		}
	}
	return self;
}

- free
{
	fclose(fp);
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- (uint8_t*)readWithSize: (size_t)size
	       andNItems: (size_t)nitems
{
	uint8_t	*ret;

	ret = [self getMemForNItems: nitems
			   withSize: size];
			     ofSize: size];

	@try {
		[self readIntoBuffer: ret
			    withSize: size
			   andNItems: nitems];
	} @catch (OFReadFailedException *e) {
		[self freeMem: ret];
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Modified src/OFObject.h from [fe500dfb05] to [d5d3bf61c7].

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{
	struct __ofobject_allocated_mem *__mem_pool;
}

- init;
- (void*)getMemWithSize: (size_t)size;
- (void*)getMemForNItems: (size_t)nitems
		withSize: (size_t)size;
		  ofSize: (size_t)size;
- (void*)resizeMem: (void*)ptr
	    toSize: (size_t)size;
- (void*)resizeMem: (void*)ptr
	  toNItems: (size_t)nitems
	    ofSize: (size_t)size;
- freeMem: (void*)ptr;
- free;
@end

Modified src/OFObject.m from [dfdab0e3f3] to [99a5765c29].

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	__mem_pool = iter;

	return iter->ptr;
}

- (void*)getMemForNItems: (size_t)nitems
		withSize: (size_t)size
		  ofSize: (size_t)size
{
	size_t memsize;

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

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

- (void*)resizeMem: (void*)ptr
	    toSize: (size_t)size
{
	struct __ofobject_allocated_mem *iter;

	if (ptr == NULL)
		return [self getMemWithSize: size];

	for (iter = __mem_pool; iter != NULL; iter = iter->prev) {
		if (iter->ptr == ptr) {
			if ((ptr = realloc(iter->ptr, size)) == NULL) {
			if ((ptr = realloc(iter->ptr, size)) == NULL)
				[[OFNoMemException newWithObject: self
							 andSize: size] raise];
				return iter->ptr;
			}
			
			iter->ptr = ptr;
			return ptr;
		}
	}

	[[OFMemNotPartOfObjException newWithObject: self
					andPointer: ptr] raise];
	return NULL;
	return NULL;	/* never reached, but makes gcc happy */
}

- (void*)resizeMem: (void*)ptr
	  toNItems: (size_t)nitems
	    ofSize: (size_t)size
{
	size_t memsize;

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

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

- freeMem: (void*)ptr;
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			return self;
		}
	}

	[[OFMemNotPartOfObjException newWithObject: self
					andPointer: ptr] raise];

	return self;
	return self	/* never reached, but makes gcc happy */;
}
@end

Modified src/OFXMLFactory.m from [331396bf91] to [fb863141bc].

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+ (char*)escapeCString: (const char*)s
{
	char *ret;
	size_t i, j, len, nlen;

	len = nlen = strlen(s);

	if ((ret = malloc(len + 1)) == NULL) {
	if ((ret = malloc(len + 1)) == NULL)
		[[OFNoMemException newWithObject: nil
					 andSize: len + 1] raise];
		return NULL;
	}

	for (i = j = 0; i < len; i++) {
		switch (s[i]) {
		case '<':
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&lt;")) {
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&lt;"))
				[[OFNoMemException newWithObject: nil
							 andSize: nlen + 4]
				    raise];
				return NULL;
			}
			break;
		case '>':
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&gt;")) {
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&gt;"))
				[[OFNoMemException newWithObject: nil
							 andSize: nlen + 4]
				    raise];
				return NULL;
			}
			break;
		case '"':
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&quot;")) {
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&quot;"))
				[[OFNoMemException newWithObject: nil
							 andSize: nlen + 6]
				    raise];
				return NULL;
			}
			break;
		case '\'':
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&apos;")) {
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&apos;"))
				[[OFNoMemException newWithObject: nil
							 andSize: nlen + 6]
				    raise];
				return NULL;
			}
			break;
		case '&':
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&amp;")) {
			if (!xmlfactory_add2str(&ret, &nlen, &j, "&amp;"))
				[[OFNoMemException newWithObject: nil
							 andSize: nlen + 5]
				    raise];
				return NULL;
			}
			break;
		default:
			ret[j++] = s[i];
			break;
		}
	}
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{
	char *arg, *val, *xml;
	size_t i, len;
	va_list args;

	/* Start of tag */
	len = strlen(name) + 3;
	if ((xml = malloc(len)) == NULL) {
	if ((xml = malloc(len)) == NULL)
		[[OFNoMemException newWithObject: nil
					 andSize: len] raise];
		return NULL;
	}

	i = 0;
	xml[i++] = '<';
	memcpy(xml + i, name, strlen(name));
	i += strlen(name);

	/* Arguments */
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		    strlen(esc_val) + 1)) {
			free(esc_val);
			[[OFNoMemException newWithObject: nil
						 andSize: len + 1 +
							  strlen(arg) + 2 +
							  strlen(esc_val) + 1]
			    raise];
			return NULL;
		}

		xml[i++] = ' ';
		memcpy(xml + i, arg, strlen(arg));
		i += strlen(arg);
		xml[i++] = '=';
		xml[i++] = '\'';
		memcpy(xml + i, esc_val, strlen(esc_val));
		i += strlen(esc_val);
		xml[i++] = '\'';

		free(esc_val);
	}
	va_end(args);

	/* End of tag */
	if (close) {
		if (data == NULL) {
			if (!xmlfactory_resize(&xml, &len, 2 - 1)) {
			if (!xmlfactory_resize(&xml, &len, 2 - 1))
				[[OFNoMemException newWithObject: nil
							 andSize: len + 2 - 1]
				    raise];
				return NULL;
			}
	
			xml[i++] = '/';
			xml[i++] = '>';
		} else {
			if (!xmlfactory_resize(&xml, &len, 1 + strlen(data) +
			    2 + strlen(name) + 1 - 1)) {
			    2 + strlen(name) + 1 - 1))
				[[OFNoMemException newWithObject: nil
							 andSize: len + 1 +
								  strlen(data) +
								  2 +
								  strlen(name) +
								  1 - 1]
				    raise];
				return NULL;
			}
	
			xml[i++] = '>';
			memcpy(xml + i, data, strlen(data));
			i += strlen(data);
			xml[i++] = '<';
			xml[i++] = '/';
			memcpy(xml + i, name, strlen(name));
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	size_t i, len, pos;

	if (strs[0] == NULL)
		return NULL;

	len = strlen(*strs) + 1;
	
	if ((ret = malloc(len)) == NULL) {
	if ((ret = malloc(len)) == NULL)
		[[OFNoMemException newWithObject: nil
					 andSize: len] raise];
		return NULL;
	}

	memcpy(ret, strs[0], len - 1);
	pos = len - 1;

	for (i = 1; strs[i] != NULL; i++) {
		if (!xmlfactory_add2str(&ret, &len, &pos, strs[i])) {
			free(ret);
			[[OFNoMemException newWithObject: nil
						 andSize: len + strlen(strs[i])]
			    raise];
			return NULL;
		}
	}

	for (i = 0; strs[i] != NULL; i++)
		free(strs[i]);

	ret[pos] = 0;
	return ret;
}
@end

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