1 files changed, 105 insertions, 0 deletions
diff --git a/mandoc_aux.c b/mandoc_aux.c
new file mode 100644
index 00000000..297fc199
--- /dev/null
+++ b/mandoc_aux.c
@@ -0,0 +1,105 @@
+/*	$Id$ */
+/*
+ * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <sys/types.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "mandoc.h"
+#include "mandoc_aux.h"
+
+int
+mandoc_asprintf(char **dest, const char *fmt, ...)
+{
+	va_list	 ap;
+	int	 ret;
+
+	va_start(ap, fmt);
+	ret = vasprintf(dest, fmt, ap);
+	va_end(ap);
+
+	if (-1 == ret) {
+		perror(NULL);
+		exit((int)MANDOCLEVEL_SYSERR);
+	}
+	return(ret);
+}
+
+void *
+mandoc_calloc(size_t num, size_t size)
+{
+	void	*ptr;
+
+	ptr = calloc(num, size);
+	if (NULL == ptr) {
+		perror(NULL);
+		exit((int)MANDOCLEVEL_SYSERR);
+	}
+	return(ptr);
+}
+
+void *
+mandoc_malloc(size_t size)
+{
+	void	*ptr;
+
+	ptr = malloc(size);
+	if (NULL == ptr) {
+		perror(NULL);
+		exit((int)MANDOCLEVEL_SYSERR);
+	}
+	return(ptr);
+}
+
+void *
+mandoc_realloc(void *ptr, size_t size)
+{
+
+	ptr = realloc(ptr, size);
+	if (NULL == ptr) {
+		perror(NULL);
+		exit((int)MANDOCLEVEL_SYSERR);
+	}
+	return(ptr);
+}
+
+char *
+mandoc_strdup(const char *ptr)
+{
+	char	*p;
+
+	p = strdup(ptr);
+	if (NULL == p) {
+		perror(NULL);
+		exit((int)MANDOCLEVEL_SYSERR);
+	}
+	return(p);
+}
+
+char *
+mandoc_strndup(const char *ptr, size_t sz)
+{
+	char	*p;
+
+	p = mandoc_malloc(sz + 1);
+	memcpy(p, ptr, sz);
+	p[(int)sz] = '\0';
+	return(p);
+}