Clean up trailing whitespace

== DETAILS

Really simple code cleanup, because my editor flags trailing whitespaces
and it's pretty annoying.

audio/audio_driver.c

@@ -1,7 +1,7 @@
 /*  RetroArch - A frontend for libretro.
  *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
  *  Copyright (C) 2011-2017 - Daniel De Matteis
- * 
+ *
  *  RetroArch is free software: you can redistribute it and/or modify it under the terms
  *  of the GNU General Public License as published by the Free Software Found-
  *  ation, either version 3 of the License, or (at your option) any later version.
@@ -111,7 +111,7 @@ static const audio_driver_t *audio_drivers[] = {
 #endif
 #if defined(PSP) || defined(VITA)
   &audio_psp,
-#endif   
+#endif
 #ifdef _3DS
    &audio_ctr_csnd,
    &audio_ctr_dsp,
@@ -150,7 +150,7 @@ static uint64_t audio_driver_free_samples_count          = 0;
 static size_t audio_driver_buffer_size                   = 0;
 static size_t audio_driver_data_ptr                      = 0;
 
-static bool audio_driver_control                         = false; 
+static bool audio_driver_control                         = false;
 static bool audio_driver_mixer_mute_enable               = false;
 static bool audio_driver_mute_enable                     = false;
 static bool audio_driver_use_float                       = false;
@@ -212,12 +212,12 @@ static void compute_audio_buffer_statistics(void)
       accum_var += diff * diff;
    }
 
-#if defined(_MSC_VER) && _MSC_VER <= 1200
+#if defined(_MSC_VER) && _MSC_VER <= 1200
    /* FIXME: error C2520: conversion from unsigned __int64 to double not implemented, use signed __int64 */
-#else
-   stddev          = (unsigned)sqrt((double)accum_var / (samples - 2));
-   avg_filled      = 1.0f - (float)avg / audio_driver_buffer_size;
-   deviation       = (float)stddev / audio_driver_buffer_size;
+#else
+   stddev          = (unsigned)sqrt((double)accum_var / (samples - 2));
+   avg_filled      = 1.0f - (float)avg / audio_driver_buffer_size;
+   deviation       = (float)stddev / audio_driver_buffer_size;
 #endif
    low_water_size  = (unsigned)(audio_driver_buffer_size * 3 / 4);
    high_water_size = (unsigned)(audio_driver_buffer_size     / 4);
@@ -335,13 +335,13 @@ static bool audio_driver_init_internal(bool audio_cb_inited)
    size_t max_bufsamples = AUDIO_CHUNK_SIZE_NONBLOCKING * 2;
    settings_t *settings  = config_get_ptr();
    /* Accomodate rewind since at some point we might have two full buffers. */
-   size_t outsamples_max = AUDIO_CHUNK_SIZE_NONBLOCKING * 2 * AUDIO_MAX_RATIO * 
+   size_t outsamples_max = AUDIO_CHUNK_SIZE_NONBLOCKING * 2 * AUDIO_MAX_RATIO *
       settings->floats.slowmotion_ratio;
 
    convert_s16_to_float_init_simd();
    convert_float_to_s16_init_simd();
 
-   conv_buf = (int16_t*)malloc(outsamples_max 
+   conv_buf = (int16_t*)malloc(outsamples_max
          * sizeof(int16_t));
    /* Used for recording even if audio isn't enabled. */
    retro_assert(conv_buf != NULL);
@@ -379,9 +379,9 @@ static bool audio_driver_init_internal(bool audio_cb_inited)
       if (!audio_init_thread(
                &current_audio,
                &audio_driver_context_audio_data,
-               *settings->arrays.audio_device 
+               *settings->arrays.audio_device
                ? settings->arrays.audio_device : NULL,
-               settings->uints.audio_out_rate, &new_rate, 
+               settings->uints.audio_out_rate, &new_rate,
                settings->uints.audio_latency,
                settings->uints.audio_block_frames,
                current_audio))
@@ -393,7 +393,7 @@ static bool audio_driver_init_internal(bool audio_cb_inited)
    else
 #endif
    {
-      audio_driver_context_audio_data = 
+      audio_driver_context_audio_data =
          current_audio->init(*settings->arrays.audio_device ?
                settings->arrays.audio_device : NULL,
                settings->uints.audio_out_rate,
@@ -414,7 +414,7 @@ static bool audio_driver_init_internal(bool audio_cb_inited)
    }
 
    audio_driver_use_float = false;
-   if (     audio_driver_active 
+   if (     audio_driver_active
          && current_audio->use_float(audio_driver_context_audio_data))
       audio_driver_use_float = true;
 
@@ -470,15 +470,15 @@ static bool audio_driver_init_internal(bool audio_cb_inited)
 
    if (
          !audio_cb_inited
-         && audio_driver_active 
+         && audio_driver_active
          && settings->bools.audio_rate_control
          )
    {
       /* Audio rate control requires write_avail
        * and buffer_size to be implemented. */
       if (current_audio->buffer_size)
       {
-         audio_driver_buffer_size = 
+         audio_driver_buffer_size =
             current_audio->buffer_size(audio_driver_context_audio_data);
          audio_driver_control = true;
       }
@@ -516,8 +516,8 @@ void audio_driver_set_nonblocking_state(bool enable)
             audio_driver_context_audio_data,
             settings->bools.audio_sync ? enable : true);
 
-   audio_driver_chunk_size = enable ? 
-      audio_driver_chunk_nonblock_size : 
+   audio_driver_chunk_size = enable ?
+      audio_driver_chunk_nonblock_size :
       audio_driver_chunk_block_size;
 }
 
@@ -541,7 +541,7 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
    bool is_slowmotion                                   = false;
    const void *output_data                              = NULL;
    unsigned output_frames                               = 0;
-   float audio_volume_gain                              = !audio_driver_mute_enable ? 
+   float audio_volume_gain                              = !audio_driver_mute_enable ?
       audio_driver_volume_gain : 0.0f;
 
    src_data.data_in                                     = NULL;
@@ -597,7 +597,7 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
       unsigned write_idx   = audio_driver_free_samples_count++ &
          (AUDIO_BUFFER_FREE_SAMPLES_COUNT - 1);
       int      half_size   = (int)(audio_driver_buffer_size / 2);
-      int      avail       = 
+      int      avail       =
          (int)current_audio->write_avail(audio_driver_context_audio_data);
       int      delta_mid   = avail - half_size;
       double   direction   = (double)delta_mid / half_size;
@@ -610,7 +610,7 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
 
       audio_driver_free_samples_buf
          [write_idx]               = avail;
-      audio_source_ratio_current   = 
+      audio_source_ratio_current   =
          audio_source_ratio_original * adjust;
 
 #if 0
@@ -632,9 +632,9 @@ static bool audio_driver_flush(const int16_t *data, size_t samples)
 
    if (audio_mixer_active)
    {
-      bool override     = audio_driver_mixer_mute_enable ? true : 
+      bool override     = audio_driver_mixer_mute_enable ? true :
          (audio_driver_mixer_volume_gain != 0.0f) ? true : false;
-      float mixer_gain  = !audio_driver_mixer_mute_enable ? 
+      float mixer_gain  = !audio_driver_mixer_mute_enable ?
          audio_driver_mixer_volume_gain : 0.0f;
       audio_mixer_mix(audio_driver_output_samples_buf,
             src_data.output_frames, mixer_gain, override);
@@ -679,7 +679,7 @@ void audio_driver_sample(int16_t left, int16_t right)
    if (audio_driver_data_ptr < audio_driver_chunk_size)
       return;
 
-   audio_driver_flush(audio_driver_output_samples_conv_buf, 
+   audio_driver_flush(audio_driver_output_samples_conv_buf,
          audio_driver_data_ptr);
 
    audio_driver_data_ptr = 0;
@@ -710,8 +710,8 @@ size_t audio_driver_sample_batch(const int16_t *data, size_t frames)
  * @left                 : value of the left audio channel.
  * @right                : value of the right audio channel.
  *
- * Audio sample render callback function (rewind version). 
- * This callback function will be used instead of 
+ * Audio sample render callback function (rewind version).
+ * This callback function will be used instead of
  * audio_driver_sample when rewinding is activated.
  **/
 void audio_driver_sample_rewind(int16_t left, int16_t right)
@@ -725,9 +725,9 @@ void audio_driver_sample_rewind(int16_t left, int16_t right)
  * @data                 : pointer to audio buffer.
  * @frames               : amount of audio frames to push.
  *
- * Batched audio sample render callback function (rewind version). 
+ * Batched audio sample render callback function (rewind version).
  *
- * This callback function will be used instead of 
+ * This callback function will be used instead of
  * audio_driver_sample_batch when rewinding is activated.
  *
  * Returns: amount of frames sampled. Will be equal to @frames
@@ -800,9 +800,9 @@ void audio_driver_monitor_adjust_system_rates(void)
    struct retro_system_av_info   *av_info = video_viewport_get_system_av_info();
    float video_refresh_rate               = settings->floats.video_refresh_rate;
    float max_timing_skew                  = settings->floats.audio_max_timing_skew;
-   const struct retro_system_timing *info = av_info ? 
+   const struct retro_system_timing *info = av_info ?
       (const struct retro_system_timing*)&av_info->timing : NULL;
-   
+
    if (!info || info->sample_rate <= 0.0)
       return;
 
@@ -882,7 +882,7 @@ bool audio_driver_free_devices_list(void)
    if (!current_audio || !current_audio->device_list_free
          || !audio_driver_context_audio_data)
       return false;
-   current_audio->device_list_free(audio_driver_context_audio_data, 
+   current_audio->device_list_free(audio_driver_context_audio_data,
          audio_driver_devices_list);
    audio_driver_devices_list = NULL;
    return true;
@@ -1003,7 +1003,7 @@ bool audio_driver_mixer_add_stream(audio_mixer_stream_params_t *params)
    audio_mixer_stop_cb_t stop_cb = audio_mixer_play_stop_cb;
    bool looped                   = false;
    void *buf                     = NULL;
-   
+
    if (audio_mixer_current_max_idx >= AUDIO_MIXER_MAX_STREAMS)
       return false;
 
@@ -1132,7 +1132,7 @@ bool audio_driver_set_callback(const void *data)
 bool audio_driver_enable_callback(void)
 {
    if (!audio_callback.callback)
-      return false; 
+      return false;
    if (audio_callback.set_state)
       audio_callback.set_state(true);
    return true;
@@ -1152,7 +1152,7 @@ bool audio_driver_disable_callback(void)
 void audio_driver_monitor_set_rate(void)
 {
    settings_t *settings = config_get_ptr();
-   double new_src_ratio = (double)settings->uints.audio_out_rate / 
+   double new_src_ratio = (double)settings->uints.audio_out_rate /
       audio_driver_input;
 
    audio_source_ratio_original = new_src_ratio;
@@ -1191,16 +1191,16 @@ bool audio_driver_mixer_toggle_mute(void)
 
 static INLINE bool audio_driver_alive(void)
 {
-   if (     current_audio 
-         && current_audio->alive 
+   if (     current_audio
+         && current_audio->alive
          && audio_driver_context_audio_data)
       return current_audio->alive(audio_driver_context_audio_data);
    return false;
 }
 
 bool audio_driver_start(bool is_shutdown)
 {
-   if (!current_audio || !current_audio->start 
+   if (!current_audio || !current_audio->start
          || !audio_driver_context_audio_data)
       goto error;
    if (!current_audio->start(audio_driver_context_audio_data, is_shutdown))
@@ -1218,7 +1218,7 @@ bool audio_driver_start(bool is_shutdown)
 
 bool audio_driver_stop(void)
 {
-   if (!current_audio || !current_audio->stop 
+   if (!current_audio || !current_audio->stop
          || !audio_driver_context_audio_data)
       return false;
    if (!audio_driver_alive())

audio/audio_driver.h

@@ -1,7 +1,7 @@
 /*  RetroArch - A frontend for libretro.
  *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
  *  Copyright (C) 2011-2017 - Daniel De Matteis
- * 
+ *
  *  RetroArch is free software: you can redistribute it and/or modify it under the terms
  *  of the GNU General Public License as published by the Free Software Found-
  *  ation, either version 3 of the License, or (at your option) any later version.
@@ -90,7 +90,7 @@ typedef struct audio_driver
    /* Is the audio driver currently running? */
    bool (*alive)(void *data);
 
-   /* Should we care about blocking in audio thread? Fast forwarding. 
+   /* Should we care about blocking in audio thread? Fast forwarding.
     *
     * If state is true, nonblocking operation is assumed.
     * This is typically used for fast-forwarding. If driver cannot
@@ -103,7 +103,7 @@ typedef struct audio_driver
    void (*free)(void *data);
 
    /* Defines if driver will take standard floating point samples,
-    * or int16_t samples. 
+    * or int16_t samples.
     *
     * If true is returned, the audio driver is capable of using
     * floating point data. This will likely increase performance as the

audio/audio_thread_wrapper.c

@@ -1,7 +1,7 @@
 /*  RetroArch - A frontend for libretro.
  *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
  *  Copyright (C) 2011-2017 - Daniel De Matteis
- * 
+ *
  *  RetroArch is free software: you can redistribute it and/or modify it under the terms
  *  of the GNU General Public License as published by the Free Software Found-
  *  ation, either version 3 of the License, or (at your option) any later version.
@@ -56,7 +56,7 @@ static void audio_thread_loop(void *data)
       return;
 
    RARCH_LOG("[Audio Thread]: Initializing audio driver.\n");
-   thr->driver_data   = thr->driver->init(thr->device, thr->out_rate, thr->latency, 
+   thr->driver_data   = thr->driver->init(thr->device, thr->out_rate, thr->latency,
          thr->block_frames, thr->new_rate);
    slock_lock(thr->lock);
    thr->inited        = thr->driver_data ? 1 : -1;
@@ -68,7 +68,7 @@ static void audio_thread_loop(void *data)
    if (thr->inited < 0)
       return;
 
-   /* Wait until we start to avoid calling 
+   /* Wait until we start to avoid calling
     * stop immediately after initialization. */
    slock_lock(thr->lock);
    while (thr->stopped)
@@ -188,7 +188,7 @@ static bool audio_thread_stop(void *data)
    audio_thread_t *thr = (audio_thread_t*)data;
 
    if (!thr)
-      return false; 
+      return false;
 
    audio_thread_block(thr);
    thr->is_paused = true;
@@ -274,7 +274,7 @@ static const audio_driver_t audio_thread = {
  *
  * Starts a audio driver in a new thread.
  * Access to audio driver will be mediated through this driver.
- * This driver interfaces with audio callback and is 
+ * This driver interfaces with audio callback and is
  * only used in that case.
  *
  * Returns: true (1) if successful, otherwise false (0).

audio/audio_thread_wrapper.h

@@ -1,7 +1,7 @@
 /*  RetroArch - A frontend for libretro.
  *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
  *  Copyright (C) 2011-2017 - Daniel De Matteis
- * 
+ *
  *  RetroArch is free software: you can redistribute it and/or modify it under the terms
  *  of the GNU General Public License as published by the Free Software Found-
  *  ation, either version 3 of the License, or (at your option) any later version.

audio/drivers/alsa.c

@@ -1,7 +1,7 @@
 /*  RetroArch - A frontend for libretro.
  *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
  *  Copyright (C) 2011-2017 - Daniel De Matteis
- * 
+ *
  *  RetroArch is free software: you can redistribute it and/or modify it under the terms
  *  of the GNU General Public License as published by the Free Software Found-
  *  ation, either version 3 of the License, or (at your option) any later version.
@@ -121,7 +121,7 @@ static void *alsa_init(const char *device, unsigned rate, unsigned latency,
    if (snd_pcm_hw_params(alsa->pcm, params) < 0)
       goto error;
 
-   /* Shouldn't have to bother with this, 
+   /* Shouldn't have to bother with this,
     * but some drivers are apparently broken. */
    if (snd_pcm_hw_params_get_period_size(params, &buffer_size, NULL))
       snd_pcm_hw_params_get_period_size_min(params, &buffer_size, NULL);