Date: Fri, 13 Feb 2004 02:30:21 -0800 (PST) From: chc <chc@mail2000.com.tw> To: freebsd-gnats-submit@FreeBSD.org Subject: gnu/62782: strlcpy performance problem Message-ID: <200402131030.i1DAULwP098937@www.freebsd.org> Resent-Message-ID: <200402131040.i1DAePHB048485@freefall.freebsd.org>
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>Number: 62782
>Category: gnu
>Synopsis: strlcpy performance problem
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Feb 13 02:40:25 PST 2004
>Closed-Date:
>Last-Modified:
>Originator: chc
>Release: 4.8
>Organization:
>Environment:
>Description:
strlcpy.c
line 71:
while (*s++); /* performance problem when src is mmap pointer */
Mmap a big file which is above 500M and use strlcpy. I found it was very slow.
>How-To-Repeat:
mmap a big file and use strlcpy() to copy some data.
>Fix:
It seems no way to solve it.
>Release-Note:
>Audit-Trail:
>Unformatted:
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