On Fri, 2002-05-10 at 18:28, Mark Bradshaw wrote: > Here's a patch to cygwin and newlib that adds the functions strlcat and > strlcpy. These functions are replacement functions for strncat and strncpy. > They were created by the OpenBSD team to address buffer overflow problems > that can happen so easily when using the "n" versions. Some other OS's have > picked them up already, and software packages have begun to use them when > available. Aside from security benefits there are also performance > benefits. Strlcat is much faster than strncat, due to strncat's penchant > for padding the destination string. > > The original source for these two come from OpenBSD. You can find them > here: > http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/string/ > > A good discussion of the new functions can be found here: > http://www.courtesan.com/todd/papers/strlcpy.html >
I've applied this, with one change. I moved the string.h declarations to the !__STRICT_ANSI__ section of that file. Do you have any tests for these functions that you would like to contribute to our new testsuite? Tom > =================== > > For newlib: > 2002-05-10 Mark Bradshaw <[EMAIL PROTECTED]> > * libc/include/string.h: Add strlcat and strlcpy. > * libc/string/Makefile.am: Add strlcat.c and strlcpy.c. > * libc/string/strlcat.c: New file. > * libc/string/strlcpy.c: New file. > > For cygwin: > 2002-05-10 Mark Bradshaw <[EMAIL PROTECTED]> > > * cygwin.din: Add strlcat and strlcpy. > * include/cygwin/version.h: Increment API minor version number. > -- Thomas Fitzsimmons Red Hat Canada Limited e-mail: [EMAIL PROTECTED] 2323 Yonge Street, Suite 300 Toronto, ON M4P2C9
