64 wmemstream_grow(struct wmemstream *ms, size_t newoff)  in wmemstream_grow()  argument
73 	if (newsize > ms->len) {  in wmemstream_grow()
74 		buf = realloc(*ms->bufp, (newsize + 1) * sizeof(wchar_t));  in wmemstream_grow()
78 			    ms, ms->len, newsize);  in wmemstream_grow()
80 			wmemset(buf + ms->len + 1, 0, newsize - ms->len);  in wmemstream_grow()
81 			*ms->bufp = buf;  in wmemstream_grow()
82 			ms->len = newsize;  in wmemstream_grow()
91 wmemstream_update(struct wmemstream *ms)  in wmemstream_update()  argument
94 	*ms->sizep = ms->len < ms->offset ? ms->len : ms->offset;  in wmemstream_update()
129 	struct wmemstream *ms;  in wmemstream_write()  local
133 	ms = cookie;  in wmemstream_write()
134 	wlen = wbuflen(&ms->mbstate, buf, len);  in wmemstream_write()
139 	if (!wmemstream_grow(ms, ms->offset + wlen))  in wmemstream_write()
148 	while (len > 0 && ms->offset < ms->len) {  in wmemstream_write()
149 		charlen = mbrtowc(*ms->bufp + ms->offset, buf, len,  in wmemstream_write()
150 		    &ms->mbstate);  in wmemstream_write()
169 			ms->offset++;  in wmemstream_write()
172 	wmemstream_update(ms);  in wmemstream_write()
174 	fprintf(stderr, "WMS: write(%p, %zu) = %zd\n", ms, len, consumed);  in wmemstream_write()
182 	struct wmemstream *ms;  in wmemstream_seek()  local
185 	ms = cookie;  in wmemstream_seek()
186 	old = ms->offset;  in wmemstream_seek()
191 		ms->offset = off_t_to_size_t(pos);  in wmemstream_seek()
199 			if (pos + (ssize_t)ms->len < 0) {  in wmemstream_seek()
203 				    (intmax_t)pos, ms->len);  in wmemstream_seek()
209 			if (OFF_MAX - ms->len < (size_t)pos) {  in wmemstream_seek()
213 				    (intmax_t)pos, ms->len);  in wmemstream_seek()
219 		ms->offset = off_t_to_size_t(ms->len + pos);  in wmemstream_seek()
223 	if (ms->offset != old)  in wmemstream_seek()
224 		memset(&ms->mbstate, 0, sizeof(ms->mbstate));  in wmemstream_seek()
225 	wmemstream_update(ms);  in wmemstream_seek()
227 	fprintf(stderr, "WMS: seek(%p, %jd, %d) %jd -> %jd\n", ms,  in wmemstream_seek()
228 	    (intmax_t)pos, whence, (intmax_t)old, (intmax_t)ms->offset);  in wmemstream_seek()
230 	return (ms->offset);  in wmemstream_seek()
244 	struct wmemstream *ms;  in open_wmemstream()  local
255 	ms = malloc(sizeof(*ms));  in open_wmemstream()
256 	if (ms == NULL) {  in open_wmemstream()
263 	ms->bufp = bufp;  in open_wmemstream()
264 	ms->sizep = sizep;  in open_wmemstream()
265 	ms->len = 0;  in open_wmemstream()
266 	ms->offset = 0;  in open_wmemstream()
267 	memset(&ms->mbstate, 0, sizeof(mbstate_t));  in open_wmemstream()
268 	wmemstream_update(ms);  in open_wmemstream()
269 	fp = funopen2(ms, NULL, wmemstream_write, wmemstream_seek,  in open_wmemstream()
273 		free(ms);  in open_wmemstream()