fs/yaffs2/yaffs_nameval.c

35 	int pos = 0;
39 	while (size > 0 && (size < xb_size) && (pos + size < xb_size)) {
40 		if (!strncmp((YCHAR *) (xb + pos + sizeof(int)),
44 			return pos;
46 		pos += size;
47 		if (pos < xb_size - sizeof(int))
48 			memcpy(&size, xb + pos, sizeof(int));
59 	int pos = 0;
62 	memcpy(&size, xb + pos, sizeof(int));
63 	while (size > 0 && (size < xb_size) && (pos + size < xb_size)) {
64 		pos += size;
65 		if (pos < xb_size - sizeof(int))
66 			memcpy(&size, xb + pos, sizeof(int));
70 	return pos;
75 	int pos = nval_find(xb, xb_size, name, NULL);
78 	if (pos < 0 || pos >= xb_size)
83 	memcpy(&size, xb + pos, sizeof(int));
84 	memcpy(xb + pos, xb + pos + size, xb_size - (pos + size));
92 	int pos;
99 	pos = nval_find(xb, xb_size, name, &size_exist);
101 	if (flags & XATTR_CREATE && pos >= 0)
103 	if (flags & XATTR_REPLACE && pos < 0)
114 	if (pos >= 0) {
119 	pos = start;
121 	memcpy(xb + pos, &reclen, sizeof(int));
122 	pos += sizeof(int);
123 	strncpy((YCHAR *) (xb + pos), name, reclen);
124 	pos += (namelen + 1);
125 	memcpy(xb + pos, buf, bsize);
132 	int pos = nval_find(xb, xb_size, name, NULL);
135 	if (pos >= 0 && pos < xb_size) {
137 		memcpy(&size, xb + pos, sizeof(int));
138 		pos += sizeof(int);	/* advance past record length */
142 		while (xb[pos] && size > 0 && pos < xb_size) {
143 			pos++;
147 		pos++;
157 			memcpy(buf, xb + pos, size);
161 	if (pos >= 0)
169 	int pos = 0;
175 	memcpy(&size, xb + pos, sizeof(int));
178 		(pos + size) < xb_size &&
180 		pos += sizeof(int);
182 		name_len = strnlen((YCHAR *) (xb + pos), size);
184 			memcpy(buf, xb + pos, name_len * sizeof(YCHAR));
196 		pos += size;
197 		if (pos < xb_size - sizeof(int))
198 			memcpy(&size, xb + pos, sizeof(int));