Build DOM.

1 files changed, 10 insertions, 0 deletions

diff --git a/mem.h b/mem.h
index 032740c..2cdb36e 100644
--- a/mem.h
+++ b/mem.h
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 
 #define MALLOC(s)      xmalloc((s), __FILE__, __LINE__)
+#define CALLOC(n, s)   xcalloc((n), (s), __FILE__, __LINE__)
 #define REALLOC(p, s)  xrealloc((p), (s), __FILE__, __LINE__)
 
 static inline void *xmalloc(size_t s, const char *file, int line)
@@ -16,6 +17,15 @@ static inline void *xmalloc(size_t s, const char *file, int line)
 	return p;
 }
 
+static inline void *xcalloc(size_t n, size_t s, const char *file, int line)
+{
+	void *p;
+
+	if (!(p = calloc(n, s)))
+		err(1, "%s:%d: calloc", file, line);
+	return p;
+}
+
 static inline void *xrealloc(void *ptr, size_t s, const char *file, int line)
 {
 	void *p;