-/*
- * Copyright (c) 2016, Olivier MATZ <zer0@droids-corp.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of the University of California, Berkeley 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 REGENTS 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 REGENTS AND 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2016, Olivier MATZ <zer0@droids-corp.org>
*/
+#include <stdarg.h>
#include <stddef.h>
#include <string.h>
+#include <stdio.h>
+#include <ecoli_assert.h>
+#include <ecoli_malloc.h>
#include <ecoli_string.h>
/* count the number of identical chars at the beginning of 2 strings */
return 0;
}
+
+int ec_vasprintf(char **buf, const char *fmt, va_list ap)
+{
+ char dummy;
+ int buflen, ret;
+ va_list aq;
+
+ va_copy(aq, ap);
+ *buf = NULL;
+ ret = vsnprintf(&dummy, 1, fmt, aq);
+ va_end(aq);
+ if (ret < 0)
+ return ret;
+
+ buflen = ret + 1;
+ *buf = ec_malloc(buflen);
+ if (*buf == NULL)
+ return -1;
+
+ va_copy(aq, ap);
+ ret = vsnprintf(*buf, buflen, fmt, aq);
+ va_end(aq);
+
+ ec_assert_print(ret < buflen, "invalid return value for vsnprintf");
+ if (ret < 0) {
+ free(*buf);
+ *buf = NULL;
+ return -1;
+ }
+
+ return ret;
+}
+
+int ec_asprintf(char **buf, const char *fmt, ...)
+{
+ va_list ap;
+ int ret;
+
+ va_start(ap, fmt);
+ ret = ec_vasprintf(buf, fmt, ap);
+ va_end(ap);
+
+ return ret;
+}