From c48eabffbe6dc192dedad73c86616ba26f7ed6d3 Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Sat, 19 Mar 2022 12:10:58 -0400
Subject: Use filesystem I/O block size in src/riff.c

---
 src/riff.c | 50 +++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 37 insertions(+), 13 deletions(-)

diff --git a/src/riff.c b/src/riff.c
index fb895b6..d50ed60 100644
--- a/src/riff.c
+++ b/src/riff.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <sys/stat.h>
 #include <errno.h>
 
 #include <xas/audio.h>
@@ -10,7 +11,9 @@
 struct _xas_riff {
     const char *file;
     int fd;
-    size_t size;
+
+    size_t size,
+           blksize;
 
     xas_audio_format format;
 };
@@ -73,6 +76,7 @@ static xas_riff *new_file(const char *path,
                             xas_audio_format format,
                             int flags) {
     xas_riff *riff;
+    struct stat st;
 
     if ((riff = malloc(sizeof(*riff))) == NULL) {
         goto error_malloc_riff;
@@ -84,8 +88,13 @@ static xas_riff *new_file(const char *path,
         goto error_open;
     }
 
-    riff->file = path;
-    riff->size = 0;
+    if (fstat(riff->fd, &st) < 0) {
+        goto error_fstat;
+    }
+
+    riff->file    = path;
+    riff->size    = 0;
+    riff->blksize = st.st_blksize;
 
     riff->format.channels    = format.channels;
     riff->format.sample_size = format.sample_size;
@@ -98,6 +107,7 @@ static xas_riff *new_file(const char *path,
     return riff;
 
 error_header_write:
+error_fstat:
     close(riff->fd);
 
 error_open:
@@ -189,15 +199,21 @@ static xas_riff *open_fd(int fd) {
     xas_riff *riff;
     xas_riff_wave_header header;
 
+    struct stat st;
     ssize_t readlen;
 
+    if (fstat(fd, &st) < 0) {
+        goto error_fstat;
+    }
+
     if ((riff = malloc(sizeof(*riff))) == NULL) {
         goto error_malloc_riff;
     }
 
-    riff->file = NULL;
-    riff->fd   = fd;
-    riff->size = 0;
+    riff->file    = NULL;
+    riff->fd      = fd;
+    riff->size    = 0;
+    riff->blksize = st.st_blksize;
 
     riff->format.channels    = 0;
     riff->format.sample_size = 0;
@@ -225,6 +241,7 @@ error_read:
     free(riff);
 
 error_malloc_riff:
+error_fstat:
     return NULL;
 }
 
@@ -232,6 +249,7 @@ static xas_riff *open_file(const char *path, int flags) {
     xas_riff *riff;
     xas_riff_wave_header header;
 
+    struct stat st;
     ssize_t readlen;
 
     if ((riff = malloc(sizeof(*riff))) == NULL) {
@@ -244,8 +262,13 @@ static xas_riff *open_file(const char *path, int flags) {
         goto error_open;
     }
 
-    riff->file = path;
-    riff->size = 0;
+    if (fstat(riff->fd, &st) < 0) {
+        goto error_fstat;
+    }
+
+    riff->file    = path;
+    riff->size    = 0;
+    riff->blksize = st.st_blksize;
 
     riff->format.channels    = 0;
     riff->format.sample_size = 0;
@@ -275,6 +298,7 @@ error_wave_header_parse:
 error_wave_header_short:
 error_read:
 error_lseek:
+error_fstat:
     close(riff->fd);
 
 error_open:
@@ -348,7 +372,7 @@ xas_audio_stream *xas_riff_new_file(const char *path,
         if ((stream = xas_audio_stream_new_sink((xas_audio_drain)audio_drain,
                                                   (xas_audio_cleanup)close_file,
                                                   format,
-                                                  4096,
+                                                  riff->blksize,
                                                   riff)) == NULL) {
             goto error_audio_stream_new_sink;
         }
@@ -356,7 +380,7 @@ xas_audio_stream *xas_riff_new_file(const char *path,
         if ((stream = xas_audio_stream_new_source((xas_audio_fill)audio_fill,
                                                     (xas_audio_cleanup)close_file,
                                                     format,
-                                                    4096,
+                                                    riff->blksize,
                                                     riff)) == NULL) {
             goto error_audio_stream_new_sink;
         }
@@ -383,7 +407,7 @@ xas_audio_stream *xas_riff_open_file(const char *path, int flags) {
         if ((stream = xas_audio_stream_new_sink((xas_audio_drain)audio_drain,
                                                   (xas_audio_cleanup)close_file,
                                                   riff->format,
-                                                  4096,
+                                                  riff->blksize,
                                                   riff)) == NULL) {
             goto error_audio_stream_new_sink;
         }
@@ -391,7 +415,7 @@ xas_audio_stream *xas_riff_open_file(const char *path, int flags) {
         if ((stream = xas_audio_stream_new_source((xas_audio_fill)audio_fill,
                                                     (xas_audio_cleanup)close_file,
                                                     riff->format,
-                                                    4096,
+                                                    riff->blksize,
                                                     riff)) == NULL) {
             goto error_audio_stream_new_sink;
         }
@@ -417,7 +441,7 @@ xas_audio_stream *xas_riff_open_fd(int fd) {
     if ((stream = xas_audio_stream_new_source((xas_audio_fill)audio_fill,
                                                 (xas_audio_cleanup)close_file,
                                                 riff->format,
-                                                4096,
+                                                riff->blksize,
                                                 riff)) == NULL) {
         goto error_audio_stream_new_sink;
     }
-- 
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