Utils: Allow an offset in FilePath::readContents()

Also, change the size limit to take a qint64. Contrary to e.g.
Q(6)Hash::size() there is a realistic chance that 31 bits are not
enough.

Change-Id: Idbe6e765a5cac4336b3d64a8e0adb14966fd18a3
Reviewed-by: Christian Stenger <[email protected]>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/libs/utils/fileutils.cpp b/src/libs/utils/fileutils.cpp
index 87ffc501492..95e935272c3 100644
--- a/src/libs/utils/fileutils.cpp
+++ b/src/libs/utils/fileutils.cpp
@@ -967,11 +967,11 @@ QList<FilePath> FilePath::dirEntries(QDir::Filters filters) const
     return dirEntries({}, filters);
 }
 
-QByteArray FilePath::fileContents(int maxSize) const
+QByteArray FilePath::fileContents(qint64 maxSize, qint64 offset) const
 {
     if (needsDevice()) {
         QTC_ASSERT(s_deviceHooks.fileContents, return {});
-        return s_deviceHooks.fileContents(*this, maxSize);
+        return s_deviceHooks.fileContents(*this, maxSize, offset);
     }
 
     const QString path = toString();
@@ -982,6 +982,9 @@ QByteArray FilePath::fileContents(int maxSize) const
     if (!f.open(QFile::ReadOnly))
         return {};
 
+    if (offset != 0)
+        f.seek(offset);
+
     if (maxSize != -1)
         return f.read(maxSize);