Add new STRINGIFY() and STRINGIFY_EXPANDED() convenience macros.

[pub/USBasp.git] / LUFA / Common / Common.h

diff --git a/LUFA/Common/Common.h b/LUFA/Common/Common.h
index d46f921..162d851 100644 (file)
--- a/LUFA/Common/Common.h
+++ b/LUFA/Common/Common.h
@@ -181,6 +181,26 @@
                        #if !defined(MIN) || defined(__DOXYGEN__)
                                #define MIN(x, y)               ((x < y) ? x : y)
                        #endif
+                       
+                       #if !defined(STRINGIFY) || defined(__DOXYGEN__)
+                               /** Converts the given input into a string, via the C Preprocessor. This macro puts literal quotation
+                                *  marks around the input, converting the source into a string literal.
+                                *
+                                *  \param[in] x  Input to convert into a string literal.
+                                *
+                                *  \return String version of the input.
+                                */
+                               #define STRINGIFY(x)            #x
+
+                               /** Converts the given input into a string after macro expansion, via the C Preprocessor. This macro puts
+                                *  literal quotation marks around the expanded input, converting the source into a string literal.
+                                *
+                                *  \param[in] x  Input to expand and convert into a string literal.
+                                *
+                                *  \return String version of the expanded input.
+                                */
+                               #define STRINGIFY_EXPANDED(x)   STRINGIFY(x)
+                       #endif
 
                        #if (ARCH == ARCH_AVR8) || defined(__DOXYGEN__)
                                /** Defines a volatile \c NOP statement which cannot be optimized out by the compiler, and thus can always