Lines Matching refs:sb
19 void strbuf_init(struct strbuf *sb, ssize_t hint)
21 sb->alloc = sb->len = 0;
22 sb->buf = strbuf_slopbuf;
24 strbuf_grow(sb, hint);
27 void strbuf_release(struct strbuf *sb)
29 if (sb->alloc) {
30 free(sb->buf);
31 strbuf_init(sb, 0);
35 char *strbuf_detach(struct strbuf *sb, size_t *sz)
37 char *res = sb->alloc ? sb->buf : NULL;
39 *sz = sb->len;
40 strbuf_init(sb, 0);
44 void strbuf_grow(struct strbuf *sb, size_t extra)
46 if (sb->len + extra + 1 <= sb->len)
48 if (!sb->alloc)
49 sb->buf = NULL;
50 ALLOC_GROW(sb->buf, sb->len + extra + 1, sb->alloc);
53 static void strbuf_splice(struct strbuf *sb, size_t pos, size_t len,
58 if (pos > sb->len)
60 if (pos + len > sb->len)
64 strbuf_grow(sb, dlen - len);
65 memmove(sb->buf + pos + dlen,
66 sb->buf + pos + len,
67 sb->len - pos - len);
68 memcpy(sb->buf + pos, data, dlen);
69 strbuf_setlen(sb, sb->len + dlen - len);
72 void strbuf_remove(struct strbuf *sb, size_t pos, size_t len)
74 strbuf_splice(sb, pos, len, NULL, 0);
77 void strbuf_add(struct strbuf *sb, const void *data, size_t len)
79 strbuf_grow(sb, len);
80 memcpy(sb->buf + sb->len, data, len);
81 strbuf_setlen(sb, sb->len + len);
84 void strbuf_addf(struct strbuf *sb, const char *fmt, ...)
89 if (!strbuf_avail(sb))
90 strbuf_grow(sb, 64);
92 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
96 if (len > strbuf_avail(sb)) {
97 strbuf_grow(sb, len);
99 len = vsnprintf(sb->buf + sb->len, sb->alloc - sb->len, fmt, ap);
101 if (len > strbuf_avail(sb)) {
105 strbuf_setlen(sb, sb->len + len);
108 ssize_t strbuf_read(struct strbuf *sb, int fd, ssize_t hint)
110 size_t oldlen = sb->len;
111 size_t oldalloc = sb->alloc;
113 strbuf_grow(sb, hint ? hint : 8192);
117 cnt = read(fd, sb->buf + sb->len, sb->alloc - sb->len - 1);
120 strbuf_release(sb);
122 strbuf_setlen(sb, oldlen);
127 sb->len += cnt;
128 strbuf_grow(sb, 8192);
131 sb->buf[sb->len] = '\0';
132 return sb->len - oldlen;