Lines Matching refs:ms
52 memstream_grow(struct memstream *ms, fpos_t newoff)
61 if (newsize > ms->len) {
62 buf = realloc(*ms->bufp, newsize + 1);
66 ms, ms->len, newsize);
68 memset(buf + ms->len + 1, 0, newsize - ms->len);
69 *ms->bufp = buf;
70 ms->len = newsize;
79 memstream_update(struct memstream *ms)
82 assert(ms->len >= 0 && ms->offset >= 0);
83 *ms->sizep = ms->len < ms->offset ? ms->len : ms->offset;
89 struct memstream *ms;
92 ms = cookie;
93 if (!memstream_grow(ms, ms->offset + len))
95 tocopy = ms->len - ms->offset;
98 memcpy(*ms->bufp + ms->offset, buf, tocopy);
99 ms->offset += tocopy;
100 memstream_update(ms);
102 fprintf(stderr, "MS: write(%p, %d) = %zd\n", ms, len, tocopy);
110 struct memstream *ms;
115 ms = cookie;
117 old = ms->offset;
123 ms->offset = pos;
131 if (pos + ms->len < 0) {
135 (intmax_t)pos, ms->len);
141 if (FPOS_MAX - ms->len < pos) {
145 (intmax_t)pos, ms->len);
151 ms->offset = ms->len + pos;
154 memstream_update(ms);
156 fprintf(stderr, "MS: seek(%p, %jd, %d) %jd -> %jd\n", ms, (intmax_t)pos,
157 whence, (intmax_t)old, (intmax_t)ms->offset);
159 return (ms->offset);
173 struct memstream *ms;
184 ms = malloc(sizeof(*ms));
185 if (ms == NULL) {
192 ms->bufp = bufp;
193 ms->sizep = sizep;
194 ms->len = 0;
195 ms->offset = 0;
196 memstream_update(ms);
197 fp = funopen(ms, NULL, memstream_write, memstream_seek,
201 free(ms);