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| author | David Kalnischkies <david@kalnischkies.de> | 2014-02-06 21:46:29 +0100 |
|---|---|---|
| committer | David Kalnischkies <david@kalnischkies.de> | 2014-02-10 18:07:50 +0100 |
| commit | 6008b79adf1d7ea5607fab87a355d664c8725026 (patch) | |
| tree | 2150659195c28b9c03465d55392dacb830a40454 | |
| parent | a7250ed08e4761dd40870ea7350ca2c83457e890 (diff) | |
simplify code to make compilers happy
Does the same as before, but is a bit simpler on the logic for humans as
well as compilers. scan-build complained about it at least with:
"Result of operation is garbage or undefined"
Reported-By: scan-build
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 37155b688..71ac9c73f 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -1594,11 +1594,17 @@ unsigned long long FileFd::Tell() unsigned long long FileFd::FileSize() { struct stat Buf; - if ((d == NULL || d->pipe == false) && fstat(iFd,&Buf) != 0) - return FileFdErrno("fstat","Unable to determine the file size"); + + bool ispipe = (d != NULL && d->pipe == true); + if (ispipe == false) + { + if (fstat(iFd,&Buf) != 0) + return FileFdErrno("fstat","Unable to determine the file size"); + ispipe = S_ISFIFO(Buf.st_mode); + } // for compressor pipes st_size is undefined and at 'best' zero - if ((d != NULL && d->pipe == true) || S_ISFIFO(Buf.st_mode)) + if (ispipe == true) { // we set it here, too, as we get the info here for free // in theory the Open-methods should take care of it already |