-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/05/11 07:05, Jim Meyering wrote: > Hello, > > Someone asked me about this yesterday, and since I've been carrying > this patch series for over a year -- it's not high priority -- > this seems like a good time finally to post it. > > I've been removing if-before-free tests for a few years now. > Here are some of the projects that have endured this janitorial work: You know, it probably wouldn't be that hard to have GCC perform this analysis for you using its dataflow framework. Checking for a free call which is dominated by a test if the argument is null would be a pretty simple check.
Jeff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJNdlqeAAoJEBRtltQi2kC746gIAImSP5BZAQ/d9wF94EQcBsWQ Qo4hn+LK6G2h5R2yVwB9dMf4CTZygxnowlFTxtG9QXMlzMCQp61jHJNLJLpgY4Qz HLMjPGS8uMUa28pJkeRU0ZIMy5hDGID24F0FChnrpNalBnlCvP0xXsnZEcXi8Ei2 3VkOMx87MAnVT0k7omZSnMy2HeKqmnP9xQMGM+ISEAFJuiGYeb5Os3T7IRprJjia DSOjSF20O8TTV6543pUrMvdzrEYtTTmsv1UKejiyGMDpHrs2qNHsyqiFBO/FLGLA bdNplowv5xTTrlPy/4zYXewvl3XLr8okrk8/c0Y4dIKq/g5jIB6pYVXilGSOVa0= =WHAM -----END PGP SIGNATURE-----
