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Avoid to clashing with LITTLE_ENDIAN in Linux.

--- a/dumb/examples/dumbout.c

+++ b/dumb/examples/dumbout.c

@@ -9,8 +9,8 @@

 #define is_bigendian() ((*(char*)&endian_test) == 0)

 enum ENDIANNESS {

-    LITTLE_ENDIAN = 0,

-    BIG_ENDIAN

+    DUMB_LITTLE_ENDIAN = 0,

+    DUMB_BIG_ENDIAN

 };

 typedef struct {

@@ -48,7 +48,7 @@

     settings.freq = 44100;

     settings.n_channels = 2;

     settings.bits = 16;

-    settings.endianness = LITTLE_ENDIAN;

+    settings.endianness = DUMB_LITTLE_ENDIAN;

     settings.is_unsigned = false;

     settings.volume = 1.0f;

     settings.delay = 0.0f;

@@ -107,7 +107,7 @@

     }

     // Handle the switch options

-    if(arg_bigendian->count > 0) { settings.endianness = BIG_ENDIAN; }

+    if(arg_bigendian->count > 0) { settings.endianness = DUMB_BIG_ENDIAN; }

     if(arg_eight->count > 0) { settings.bits = 8; }

     if(arg_unsigned->count > 0) { settings.is_unsigned = true; }

     if(arg_mono->count > 0) { settings.n_channels = 1; }

@@ -184,8 +184,8 @@

     int read_bytes;

     // If output endianness is different than machine endianness, and output is 16 bits, reorder bytes.

-    int switch_endianness = ((is_bigendian() && settings.endianness == LITTLE_ENDIAN) ||

-                            (!is_bigendian() && settings.endianness == BIG_ENDIAN));

+    int switch_endianness = ((is_bigendian() && settings.endianness == DUMB_LITTLE_ENDIAN) ||

+                            (!is_bigendian() && settings.endianness == DUMB_BIG_ENDIAN));

     // Write the initial delay to the file if one was requested.

     long d = ((long)floor(settings.delay * settings.freq + 0.5f)) * settings.n_channels * (settings.bits / 8);

@@ -193,7 +193,7 @@

         // Fill the buffer with silence. Remember to take into account endianness

         if(settings.is_unsigned) {

             if(settings.bits == 16) {

-                if(settings.endianness == BIG_ENDIAN) {

+                if(settings.endianness == DUMB_BIG_ENDIAN) {

                     // Unsigned 16bits big endian

                     for(int i = 0; i < streamer.bufsize; i += 2) {

                         buffer[i  ] = (char)0x80;