init

udev_util.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "udev_util.h"
+#include "udev.h"
+
+int xasprintf(char *str, const char *fmt, ...)
+{
+	va_list list;
+	int len;
+
+	va_start(list, fmt);
+	len = vsnprintf(NULL, 0, fmt, list);
+	va_end(list);
+
+    if (len == -1) {
+        return -1;
+    }
+
+    str = malloc(len + 1);
+
+    if (!str) {
+        return -1;
+    }
+
+    len = vsnprintf(str, len + 1, fmt, list);
+
+    if (len == -1) {
+        free(str);
+        return -1;
+    }
+
+    return len;
+}
+
+// TODO readlink+malloc