https://invent.kde.org/utilities/filelight/-/merge_requests/42
https://invent.kde.org/utilities/filelight/-/merge_requests/42/diffs?commit_id=f35d454513f2fc39fea0a5af7c94977c1ffb37aa

DEV_BSIZE and S_BLKSIZE represent the same thing, but S_BLKSIZE isn't defined in musl libc, so use DEV_BSIZE instead.
---
 autotests/directoryIteratorTest.cpp | 8 ++++----
 src/posixWalker.cpp                 | 2 +-
 src/posixWalker.h                   | 1 +
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/autotests/directoryIteratorTest.cpp b/autotests/directoryIteratorTest.cpp
index d50c32b..fece8dd 100644
--- a/autotests/directoryIteratorTest.cpp
+++ b/autotests/directoryIteratorTest.cpp
@@ -60,9 +60,9 @@ private Q_SLOTS:
 #ifdef Q_OS_WINDOWS
         QCOMPARE(file.size, 7682);
 #elif defined(Q_OS_FREEBSD)
-        QCOMPARE(file.size, 1 * S_BLKSIZE);
+        QCOMPARE(file.size, 1 * DEV_BSIZE);
 #else
-        QCOMPARE(file.size, 16 * S_BLKSIZE);
+        QCOMPARE(file.size, 16 * DEV_BSIZE);
 #endif
 
         if (withSymlink) {
@@ -83,9 +83,9 @@ private Q_SLOTS:
 #ifdef Q_OS_WINDOWS
             QCOMPARE(symlink.size, 7682);
 #elif defined(Q_OS_FREEBSD)
-            QCOMPARE(file.size, 1 * S_BLKSIZE);
+            QCOMPARE(file.size, 1 * DEV_BSIZE);
 #else
-            QCOMPARE(symlink.size, 16 * S_BLKSIZE);
+            QCOMPARE(symlink.size, 16 * DEV_BSIZE);
 #endif
         }
     }
diff --git a/src/posixWalker.cpp b/src/posixWalker.cpp
index be6935f..6538408 100644
--- a/src/posixWalker.cpp
+++ b/src/posixWalker.cpp
@@ -99,7 +99,7 @@ void POSIXWalker::next()
             S_ISFIFO(statbuf.st_mode) || S_ISSOCK(statbuf.st_mode);
         m_entry.isDir = S_ISDIR(statbuf.st_mode);
         m_entry.isFile = S_ISREG(statbuf.st_mode);
-        m_entry.size = statbuf.st_blocks * S_BLKSIZE;
+        m_entry.size = statbuf.st_blocks * DEV_BSIZE;
         break;
     }
 }
diff --git a/src/posixWalker.h b/src/posixWalker.h
index 4a78d52..ba72a98 100644
--- a/src/posixWalker.h
+++ b/src/posixWalker.h
@@ -7,6 +7,7 @@
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <sys/param.h>
 #include <unistd.h>
 
 #include <cerrno>
-- 
2.35.1