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Default branch: MAIN
Current tag: wrstuden-fixsa-newbase
Revision 1.5 / (download) - annotate - [select for diffs], Thu Oct 17 02:06:04 2002 UTC (17 years, 1 month ago) by thorpej
CVS Tags: yamt-pf42-baseX, yamt-pf42-base, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, netbsd-3-base, netbsd-3-1-RELEASE, netbsd-3-1-RC4, netbsd-3-1-RC3, netbsd-3-1-RC2, netbsd-3-1-RC1, netbsd-3-1-1-RELEASE, netbsd-3-1, netbsd-3-0-RELEASE, netbsd-3-0-RC6, netbsd-3-0-RC5, netbsd-3-0-RC4, netbsd-3-0-RC3, netbsd-3-0-RC2, netbsd-3-0-RC1, netbsd-3-0-3-RELEASE, netbsd-3-0-2-RELEASE, netbsd-3-0-1-RELEASE, netbsd-3-0, netbsd-3, netbsd-2-base, netbsd-2-1-RELEASE, netbsd-2-1-RC6, netbsd-2-1-RC5, netbsd-2-1-RC4, netbsd-2-1-RC3, netbsd-2-1-RC2, netbsd-2-1-RC1, netbsd-2-1, netbsd-2-0-base, netbsd-2-0-RELEASE, netbsd-2-0-RC5, netbsd-2-0-RC4, netbsd-2-0-RC3, netbsd-2-0-RC2, netbsd-2-0-RC1, netbsd-2-0-3-RELEASE, netbsd-2-0-2-RELEASE, netbsd-2-0-1-RELEASE, netbsd-2-0, netbsd-2, nathanw_sa_before_merge, nathanw_sa_base, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, keiichi-mipv6-base, keiichi-mipv6, hpcarm-cleanup-base, hpcarm-cleanup, fvdl_fs64_base, cube-autoconf-base, cube-autoconf, abandoned-netbsd-4-base, abandoned-netbsd-4
Branch point for: yamt-pf42
Changes since 1.4: +26 -14 lines
Diff to previous 1.4 (colored)
Change basename(3) and dirname(3) to return a pointer to static storage, rather than modifying their input arguments. While not reentrant, this is explcitly allowed by IEEE Std 1003.1-2001 (which allows either behavior, stating that it is implementation-dependent). The new semantics are considered less hostile/more useful by most programs which use basename(3) and/or dirname(3) (several programs in the NetBSD tree reimplement basename()/dirname() themselves to avoid modification of the input argument). This new implementation truncates results to PATH_MAX. The Std does not address this in the static storage case. However since PATH_MAX is the maximum pathname length in the Std, this should not be a problem in practice. Nontheless, it is noted in the BUGS section. See the basename(3)/dirname(3) regression tests in src/regress/lib/libc. Inspired by discussion with Niels Provos, related to PR 18647.
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