Add C RRD create tool. See #50

2 files changed, 17 insertions, 0 deletions

diff --git a/common/compat.c b/common/compat.c
index 0c6c833..247560e 100644
--- a/common/compat.c
+++ b/common/compat.c
@@ -230,3 +230,16 @@ atexitv(voidfunc func, void* data)
 }
 
 #endif /* HAVE_ATEXITV */
+
+#ifndef HAVE_XCALLOC
+
+void*
+xcalloc(size_t size)
+{
+    register void* value = calloc(1, size);
+    if(value == NULL)
+        errx("out of memory");
+    return value;
+}
+
+#endif /* HAVE_XCALLOC */
diff --git a/common/compat.h b/common/compat.h
index 7ef2f50..12ffad6 100644
--- a/common/compat.h
+++ b/common/compat.h
@@ -73,4 +73,8 @@ int strtob(const char* str);
 void atexitv(void (*func)(void*), void* data);
 #endif
 
+#ifndef HAVE_XCALLOC
+void* xcalloc(size_t size);
+#endif
+
 #endif /* __COMPAT_H__ */