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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Mon, 8 Aug 2005 19:38:00 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/libkern strcasecmp.c
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pjd         2005-08-08 19:38:00 UTC

  FreeBSD src repository

  Modified files:
    sys/libkern          strcasecmp.c 
  Log:
  Ha! This is a very interesting bug.
  I copied strcasecmp() from userland to the kernel and it didn't worked!
  I started to debug the problem and I find out that this line:
  
          while (tolower(*us1) == tolower(*us2++)) {
  
  was adding _3_ bytes to 'us2' pointer. Am I loosing my minds here?!...
  No, in-kernel tolower() is a macro which uses its argument three times.
  Bad tolower(9), no cookie.
  
  Revision  Changes    Path
  1.2       +6 -4      src/sys/libkern/strcasecmp.c