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-rw-r--r--source4/heimdal/lib/roken/strpool.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/strpool.c b/source4/heimdal/lib/roken/strpool.c
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+++ b/source4/heimdal/lib/roken/strpool.c
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+/*
+ * 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;
+}