===================================================================
RCS file: /cvs/docbook2mdoc/statistics.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -p -r1.36 -r1.37
--- docbook2mdoc/statistics.c	2019/04/25 17:57:59	1.36
+++ docbook2mdoc/statistics.c	2019/04/28 15:03:29	1.37
@@ -1,4 +1,4 @@
-/* $Id: statistics.c,v 1.36 2019/04/25 17:57:59 schwarze Exp $ */
+/* $Id: statistics.c,v 1.37 2019/04/28 15:03:29 schwarze Exp $ */
 /*
  * Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -14,6 +14,8 @@
  * 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 <assert.h>
 #include <ctype.h>
 #include <err.h>
@@ -24,6 +26,8 @@
 #include <string.h>
 #include <unistd.h>
 
+#include "xmalloc.h"
+
 /*
  * Count parent-child element relations in a corpus of DocBook documents.
  *
@@ -125,19 +129,13 @@ table_add(const char *parent, const char *child)
 
 	if (tablei == tablesz) {
 		tablesz += 64;
-		table = reallocarray(table, tablesz, sizeof(*table));
-		if (table == NULL)
-			err(1, NULL);
+		table = xreallocarray(table, tablesz, sizeof(*table));
 	}
 
 	/* Add a new entry to the table. */
 
-	if ((table[tablei].parent = strdup(parent)) == NULL)
-		err(1, NULL);
-	if (child == NULL)
-		table[tablei].child = NULL;
-	else if ((table[tablei].child = strdup(child)) == NULL)
-		err(1, NULL);
+	table[tablei].parent = xstrdup(parent);
+	table[tablei].child = child == NULL ? NULL : xstrdup(child);
 	table[tablei++].count = init_done ? 1 : -1;
 }
 
@@ -152,12 +150,9 @@ stack_push(const char *name)
 
 	if (stacki == stacksz) {
 		stacksz += 8;
-		stack = reallocarray(stack, stacksz, sizeof(*stack));
-		if (stack == NULL)
-			err(1, NULL);
+		stack = xreallocarray(stack, stacksz, sizeof(*stack));
 	}
-	if ((stack[stacki++] = strdup(name)) == NULL)
-		err(1, NULL);
+	stack[stacki++] = xstrdup(name);
 }
 
 /*