feat(printf): added vprintf() support

Closes #43

1 files changed, 12 insertions, 1 deletions

diff --git a/printf.h b/printf.h
index 6a9339e..6075bc2 100644
--- a/printf.h
+++ b/printf.h
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////

 // \author (c) Marco Paland (info@paland.com)

-//             2014-2018, PALANDesign Hannover, Germany

+//             2014-2019, PALANDesign Hannover, Germany

 //

 // \license The MIT License (MIT)

 //

@@ -77,6 +77,7 @@ int sprintf_(char* buffer, const char* format, ...);
  * \param buffer A pointer to the buffer where to store the formatted string

  * \param count The maximum number of characters to store in the buffer, including a terminating null character

  * \param format A string that specifies the format of the output

+ * \param va A value identifying a variable arguments list

  * \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character

  *         If the formatted string is truncated the buffer size (count) is returned

  */

@@ -87,6 +88,16 @@ int vsnprintf_(char* buffer, size_t count, const char* format, va_list va);
 

 

 /**

+ * Tiny vprintf implementation

+ * \param format A string that specifies the format of the output

+ * \param va A value identifying a variable arguments list

+ * \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character

+ */

+#define vprintf vprintf_

+int vprintf_(const char* format, va_list va);

+

+

+/**

  * printf with output function

  * You may use this as dynamic alternative to printf() with its fixed _putchar() output

  * \param out An output function which takes one character and an argument pointer