2 * Copyright (c) 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 size_t len; /* strlen() of str */
43 size_t sz; /* Allocated size */
50 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
51 rk_strpoolfree(struct rk_strpool *p)
64 ROKEN_LIB_FUNCTION struct rk_strpool * ROKEN_LIB_CALL
65 rk_strpoolprintf(struct rk_strpool *p, const char *fmt, ...)
72 len = vasprintf(&str, fmt, ap);
75 return rk_strpoolfree(p), NULL;
78 if ((p = malloc(sizeof(*p))) == NULL)
79 return free(str), NULL;
83 } /* else grow the buffer and append `str', but don't grow too fast */
85 if (len + p->len + 1 > p->sz) {
86 size_t sz = p->len + len + 9 + (p->sz >> 2);
89 if ((str2 = realloc(p->str, sz)) == NULL)
90 return rk_strpoolfree(p), NULL;
94 memcpy(p->str + p->len, str, len + 1);
104 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
105 rk_strpoolcollect(struct rk_strpool *p)