Centralize determination of endianness.

Change-Id: Ia99ed4de2a07fa8959301a50e41cdb0367de46ea
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/src/lib/tools/hostosinfo.h b/src/lib/tools/hostosinfo.h
index 5704886ad..898fa8b20 100644
--- a/src/lib/tools/hostosinfo.h
+++ b/src/lib/tools/hostosinfo.h
@@ -70,6 +70,7 @@ public:
     static bool isOsxHost() { return hostOs() == HostOsOsx; }
     static inline bool isAnyUnixHost();
     static inline QString canonicalArchitecture(const QString &architecture);
+    static inline QString defaultEndianness(const QString &architecture);
 
     static QString appendExecutableSuffix(const QString &executable)
     {
@@ -166,6 +167,29 @@ QString HostOsInfo::canonicalArchitecture(const QString &architecture)
     return architecture;
 }
 
+QString HostOsInfo::defaultEndianness(const QString &architecture)
+{
+    const QString canonicalArch = canonicalArchitecture(architecture);
+
+    QStringList little = QStringList()
+            << QLatin1String("x86")
+            << QLatin1String("x86_64")
+            << QLatin1String("arm")
+            << QLatin1String("arm64");
+
+    if (little.contains(canonicalArch))
+        return QLatin1String("little");
+
+    QStringList big = QStringList()
+            << QLatin1String("ppc")
+            << QLatin1String("ppc64");
+
+    if (big.contains(canonicalArch))
+        return QLatin1String("big");
+
+    return QString();
+}
+
 } // namespace Internal
 } // namespace qbs