@@ -838,6 +838,31 @@ static int bat_vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
}
/**
+ * bat_vscnprintf - Format a string and place it in a buffer
+ * @buf: The buffer to place the result into
+ * @size: The size of the buffer, including the trailing null space
+ * @fmt: The format string to use
+ * @args: Arguments for the format string
+ *
+ * The return value is the number of characters which have been written into
+ * the @buf not including the trailing '\0'. If @size is <= 0 the function
+ * returns 0.
+ *
+ * Call this function if you are already dealing with a va_list.
+ * You probably want scnprintf() instead.
+ *
+ * See the vsnprintf() documentation for format string extensions over C99.
+ */
+int bat_vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
+{
+ int i;
+
+ i = bat_vsnprintf(buf, size, fmt, args);
+
+ return (i >= size) ? (size - 1) : i;
+}
+
+/**
* bat_printk - print a kernel message using extra %p formatting
* strings, forward compatible with kernel version 2.6.31 printk, minus
* *p[sS].
@@ -256,6 +256,9 @@ next_sibling:
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)
+int bat_vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
+#define vscnprintf bat_vscnprintf
+
asmlinkage int bat_printk(const char *fmt, ...);
#define printk bat_printk