diff options
Diffstat (limited to 'source4/heimdal/lib/roken/strpool.c')
-rw-r--r-- | source4/heimdal/lib/roken/strpool.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/strpool.c b/source4/heimdal/lib/roken/strpool.c new file mode 100644 index 0000000000..8ee95654cb --- /dev/null +++ b/source4/heimdal/lib/roken/strpool.c @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: strpool.c,v 1.1 2005/06/28 22:46:57 lha Exp $"); +#endif + +#include <stdarg.h> +#include <stdlib.h> +#include <roken.h> + +struct rk_strpool { + char *str; + size_t len; +}; + +/* + * + */ + +void ROKEN_LIB_FUNCTION +rk_strpoolfree(struct rk_strpool *p) +{ + if (p->str) { + free(p->str); + p->str = NULL; + } + free(p); +} + +/* + * + */ + +struct rk_strpool * ROKEN_LIB_FUNCTION +rk_strpoolprintf(struct rk_strpool *p, const char *fmt, ...) +{ + va_list ap; + char *str, *str2; + int len; + + if (p == NULL) { + p = malloc(sizeof(*p)); + if (p == NULL) + return NULL; + p->str = NULL; + p->len = 0; + } + va_start(ap, fmt); + len = vasprintf(&str, fmt, ap); + va_end(ap); + if (str == NULL) { + printf("vasprintf"); + rk_strpoolfree(p); + return NULL; + } + str2 = realloc(p->str, len + p->len + 1); + if (str2 == NULL) { + printf("realloc"); + rk_strpoolfree(p); + return NULL; + } + p->str = str2; + memcpy(p->str + p->len, str, len + 1); + p->len += len; + return p; +} + +/* + * + */ + +char * ROKEN_LIB_FUNCTION +rk_strpoolcollect(struct rk_strpool *p) +{ + char *str = p->str; + p->str = NULL; + free(p); + return str; +} |