Lines Matching refs:sb
20 void strbuf_init(struct strbuf *sb, ssize_t hint)
22 sb->alloc = sb->len = 0;
23 sb->buf = strbuf_slopbuf;
25 strbuf_grow(sb, hint);
28 void strbuf_release(struct strbuf *sb)
30 if (sb->alloc) {
31 free(sb->buf);
32 strbuf_init(sb, 0);
36 char *strbuf_detach(struct strbuf *sb, size_t *sz)
38 char *res = sb->alloc ? sb->buf : NULL;
40 *sz = sb->len;
41 strbuf_init(sb, 0);
45 void strbuf_grow(struct strbuf *sb, size_t extra)
47 if (sb->len + extra + 1 <= sb->len)
49 if (!sb->alloc)
50 sb->buf = NULL;
51 ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
54 static void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
59 if (pos > sb->len)
61 if (pos + len > sb->len)
65 strbuf_grow(sb, dlen - len);
66 memmove(sb->buf + pos + dlen,
67 sb->buf + pos + len,
68 sb->len - pos - len);
69 memcpy(sb->buf + pos, data, dlen);
70 strbuf_setlen(sb, sb->len + dlen - len);
73 void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
75 strbuf_splice(sb, pos, len, NULL, 0);
78 void strbuf_add(struct strbuf *sb, const void *data, size_t len)
80 strbuf_grow(sb, len);
81 memcpy(sb->buf + sb->len, data, len);
82 strbuf_setlen(sb, sb->len + len);
85 void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
90 if (!strbuf_avail(sb))
91 strbuf_grow(sb, 64);
93 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
97 if (len > strbuf_avail(sb)) {
98 strbuf_grow(sb, len);
100 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
102 if (len > strbuf_avail(sb)) {
106 strbuf_setlen(sb, sb->len + len);
109 ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
111 size_t oldlen = sb->len;
112 size_t oldalloc = sb->alloc;
114 strbuf_grow(sb, hint ? hint : 8192);
118 cnt = read(fd, sb->buf + sb->len, sb->alloc - sb->len - 1);
121 strbuf_release(sb);
123 strbuf_setlen(sb, oldlen);
128 sb->len += cnt;
129 strbuf_grow(sb, 8192);
132 sb->buf[sb->len] = '\0';
133 return sb->len - oldlen;