63 memstream_grow(struct memstream *ms, off_t newoff)  in memstream_grow()  argument
69 	if (newsize > ms->len) {  in memstream_grow()
70 		buf = realloc(*ms->bufp, newsize + 1);  in memstream_grow()
74 			    ms, ms->len, newsize);  in memstream_grow()
76 			memset(buf + ms->len + 1, 0, newsize - ms->len);  in memstream_grow()
77 			*ms->bufp = buf;  in memstream_grow()
78 			ms->len = newsize;  in memstream_grow()
87 memstream_update(struct memstream *ms)  in memstream_update()  argument
90 	*ms->sizep = ms->len < ms->offset ? ms->len : ms->offset;  in memstream_update()
96 	struct memstream *ms;  in memstream_write()  local
100 	ms = cookie;  in memstream_write()
101 	more = ms->offset;  in memstream_write()
103 	if (!memstream_grow(ms, more))  in memstream_write()
105 	tocopy = ms->len - ms->offset;  in memstream_write()
108 	memcpy(*ms->bufp + ms->offset, buf, tocopy);  in memstream_write()
109 	ms->offset += tocopy;  in memstream_write()
110 	memstream_update(ms);  in memstream_write()
112 	fprintf(stderr, "MS: write(%p, %zu) = %zu\n", ms, len, tocopy);  in memstream_write()
120 	struct memstream *ms;  in memstream_seek()  local
125 	ms = cookie;  in memstream_seek()
127 	old = ms->offset;  in memstream_seek()
133 		ms->offset = off_t_to_size_t(pos);  in memstream_seek()
141 			if (pos + (ssize_t)ms->len < 0) {  in memstream_seek()
145 				    (intmax_t)pos, ms->len);  in memstream_seek()
151 			if (OFF_MAX - (ssize_t)ms->len < pos) {  in memstream_seek()
155 				    (intmax_t)pos, ms->len);  in memstream_seek()
161 		ms->offset = off_t_to_size_t(ms->len + pos);  in memstream_seek()
164 	memstream_update(ms);  in memstream_seek()
166 	fprintf(stderr, "MS: seek(%p, %jd, %d) %zu -> %zu\n", ms,  in memstream_seek()
167 	    (intmax_t)pos, whence, old, ms->offset);  in memstream_seek()
169 	return (ms->offset);  in memstream_seek()
183 	struct memstream *ms;  in open_memstream()  local
194 	ms = malloc(sizeof(*ms));  in open_memstream()
195 	if (ms == NULL) {  in open_memstream()
202 	ms->bufp = bufp;  in open_memstream()
203 	ms->sizep = sizep;  in open_memstream()
204 	ms->len = 0;  in open_memstream()
205 	ms->offset = 0;  in open_memstream()
206 	memstream_update(ms);  in open_memstream()
207 	fp = funopen2(ms, NULL, memstream_write, memstream_seek,  in open_memstream()
211 		free(ms);  in open_memstream()