Lines Matching refs:ms
55 memstream_grow(struct memstream *ms, fpos_t newoff)
64 if (newsize > ms->len) {
65 buf = realloc(*ms->bufp, newsize + 1);
69 ms, ms->len, newsize);
71 memset(buf + ms->len + 1, 0, newsize - ms->len);
72 *ms->bufp = buf;
73 ms->len = newsize;
82 memstream_update(struct memstream *ms)
85 assert(ms->len >= 0 && ms->offset >= 0);
86 *ms->sizep = ms->len < ms->offset ? ms->len : ms->offset;
92 struct memstream *ms;
95 ms = cookie;
96 if (!memstream_grow(ms, ms->offset + len))
98 tocopy = ms->len - ms->offset;
101 memcpy(*ms->bufp + ms->offset, buf, tocopy);
102 ms->offset += tocopy;
103 memstream_update(ms);
105 fprintf(stderr, "MS: write(%p, %d) = %zd\n", ms, len, tocopy);
113 struct memstream *ms;
118 ms = cookie;
120 old = ms->offset;
126 ms->offset = pos;
134 if (pos + ms->len < 0) {
138 (intmax_t)pos, ms->len);
144 if (FPOS_MAX - ms->len < pos) {
148 (intmax_t)pos, ms->len);
154 ms->offset = ms->len + pos;
157 memstream_update(ms);
159 fprintf(stderr, "MS: seek(%p, %jd, %d) %jd -> %jd\n", ms, (intmax_t)pos,
160 whence, (intmax_t)old, (intmax_t)ms->offset);
162 return (ms->offset);
176 struct memstream *ms;
187 ms = malloc(sizeof(*ms));
188 if (ms == NULL) {
195 ms->bufp = bufp;
196 ms->sizep = sizep;
197 ms->len = 0;
198 ms->offset = 0;
199 memstream_update(ms);
200 fp = funopen(ms, NULL, memstream_write, memstream_seek,
204 free(ms);