Le mardi 31 juillet 2007 à 20:59 +1000, [EMAIL PROTECTED] a écrit : > On Tue, 31 Jul 2007 00:22:13 +0200 > Laurent Aguerreche <[EMAIL PROTECTED]> wrote: > > > Le mardi 31 juillet 2007 à 08:14 +1000, [EMAIL PROTECTED] a écrit : > > > I just built tracker svn (734, from yesterday) and, among the many > > > compiler-warnings generated, I see a few that really should be > > > investigated and dealt with one way or another: > > > > > > trackerd.c:2349: warning: ignoring return value of 'nice', declared with > > > attribute warn_unused_result > > > trackerd.c:1021: warning: 'list' may be used uninitialized in this > > > function > > > tracker-db-sqlite.c:462: warning: ignoring return value of 'fgets', > > > declared with attribute warn_unused_result > > > tracker-db-sqlite.c:1189: warning: ignoring return value of 'link', > > > declared with attribute warn_unused_result > > > tracker-db-email.c:412: warning: 'mbox_id' may be used uninitialized in > > > this function > > > tracker-dbus-search.c:901: warning: 'winner_dist' may be used > > > uninitialized in this function > > > tracker-utils.c:3441: warning: ignoring return value of 'nice', declared > > > with attribute warn_unused_result > > > tracker-extract.c:212: warning: ignoring return value of 'nice', declared > > > with attribute warn_unused_result > > > tracker-extract-ps.c:101: warning: ignoring return value of 'getline', > > > declared with attribute warn_unused_result > > > tracker-extract-ps.c:139: warning: ignoring return value of 'getline', > > > declared with attribute warn_unused_result > > > tracker-extract-abw.c:35: warning: ignoring return value of 'getline', > > > declared with attribute warn_unused_result > > > tracker-extract-abw.c:62: warning: ignoring return value of 'getline', > > > declared with attribute warn_unused_result > > > tracker-extract-gstreamer.c:233: warning: 'message' is used uninitialized > > > in this function > > > > I do not have any warnings about "warn_unused_result". > > > > What compiler do you use? What version? What compiler flags? > > gcc 4.2.1 > > -O2 -g -pipe -Wp -D_FORTIFY_SOURCE=2 -fstack-protector > --param=ssp-buffer-size=4 -fexceptions -fomit-frame-pointer -march=i586 > -mtune=generic -fasynchronous-unwind-tables (these are defaults for > mandriva's rpmbuild) > > > What is your platform? Linux (What distribution and version? Is it up to > > date?)? Unix (vendor?)? > > mandriva cooker i586 (not necessarily completely fresh, but certainly no > package older than in the last official release)
Warnings come from "-D_FORTIFY_SOURCE=2". With this parameter, functions that use "warn_unused_result" will make GCC scream if we do not test their return value. So I rewrote some functions in tracker-extract. Some of them are really not important, like for "nice()" since its returned value does not indicate if something went wrong on recent glibc... The patch I'm providing also contain fixes for dates in tracker-extract-ps.c + code cleanups (I did some code refactoring for dates). Jamie, I do not have problem with dates and MSOffice files nor PDF, so can you test again? I do not have PNG files with CreationTime tag so is there somebody who can test tracker-extract on such a file? Laurent. > Regards > Tom
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