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authorJulian Andres Klode <jak@debian.org>2015-12-27 14:25:11 +0100
committerJulian Andres Klode <jak@debian.org>2015-12-27 16:19:33 +0100
commit766761fd836d9e247daea924809965c21cc65dc7 (patch)
tree028937f4c1c39a7a0da6282b360777bbbf49fc02 /apt-pkg/contrib/fileutl.cc
parent1d68256d525234d4fef1bb050dc2165771cdf7e3 (diff)
FildFd: Introduce a Flush() function and call it from Close()
The flush function can be used for buffered writers.
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
-rw-r--r--apt-pkg/contrib/fileutl.cc15
1 files changed, 15 insertions, 0 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 8fdd6a5dd..ecc8c83fd 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1055,6 +1055,10 @@ public:
*To = '\0';
return InitialTo;
}
+ virtual bool InternalFlush()
+ {
+ return true;
+ }
virtual ssize_t InternalWrite(void const * const From, unsigned long long const Size) = 0;
virtual bool InternalWriteError() { return filefd->FileFdErrno("write",_("Write error")); }
virtual bool InternalSeek(unsigned long long const To)
@@ -2070,6 +2074,15 @@ char* FileFd::ReadLine(char *To, unsigned long long const Size)
return d->InternalReadLine(To, Size);
}
/*}}}*/
+// FileFd::Flush - Flush the file /*{{{*/
+bool FileFd::Flush()
+{
+ if (d == nullptr)
+ return true;
+
+ return d->InternalFlush();
+}
+ /*}}}*/
// FileFd::Write - Write to the file /*{{{*/
bool FileFd::Write(const void *From,unsigned long long Size)
{
@@ -2223,6 +2236,8 @@ unsigned long long FileFd::Size()
/* */
bool FileFd::Close()
{
+ if (Flush() == false)
+ return false;
if (iFd == -1)
return true;