* gnulib: Update to latest, for strstr fix. * doc/m4.texinfo (Index macro): Test for the bug. * NEWS: Document the fix. * THANKS: Update. Reported by Mike Stump, with additional analysis from Ralf Wildenhues and Jim Meyering.
Signed-off-by: Eric Blake <[email protected]> --- ChangeLog | 10 ++++++++++ NEWS | 7 ++++--- THANKS | 1 + doc/m4.texinfo | 8 ++++++++ gnulib | 2 +- 5 files changed, 24 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 9f3c5a8..cf135ab 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2011-02-26 Eric Blake <[email protected]> + + index: fix another regression from faulty strstr + * gnulib: Update to latest, for strstr fix. + * doc/m4.texinfo (Index macro): Test for the bug. + * NEWS: Document the fix. + * THANKS: Update. + Reported by Mike Stump, with additional analysis from Ralf + Wildenhues and Jim Meyering. + 2011-02-07 Eric Blake <[email protected]> maint: speed up configure, using latest gnulib diff --git a/NEWS b/NEWS index 54c58ca..d4dbb1a 100644 --- a/NEWS +++ b/NEWS @@ -2,9 +2,10 @@ GNU M4 NEWS - User visible changes. * Noteworthy changes in release 1.4.16 (2011-01-??) [?] -** Ensure the `index' builtin cannot give false positive results. On - glibc platforms, this avoids a strstr bug in glibc 2.9 through 2.12; - on many other platforms, it fixes a regression introduced in 1.4.11. +** Fix regressions in the `index' builtin. On glibc platforms, this + avoids false positives from a strstr bug in glibc 2.9 through 2.12; + on many other platforms, it fixes two separate regressions, a false + positive introduced in 1.4.11 and a false negative in 1.4.15. ** A number of portability improvements inherited from gnulib. diff --git a/THANKS b/THANKS index 36e239e..082e7e8 100644 --- a/THANKS +++ b/THANKS diff --git a/doc/m4.texinfo b/doc/m4.texinfo index 1512ae1..922c649 100644 --- a/doc/m4.texinfo +++ b/doc/m4.texinfo @@ -5652,6 +5652,14 @@ Index macro `:12-:12-:12-:12-:12-:12-:12-:12-') @result{}-1 @end example + +@comment Expose a bug in the gnulib replacement strstr() algorithm +@comment present from Jun 2010 to Feb 2011, including m4 1.4.15. + +@example +index(`..wi.d.', `.d') +@result{}4 +@end example @end ignore @node Regexp diff --git a/gnulib b/gnulib index 6f0680e..06901ea 160000 --- a/gnulib +++ b/gnulib @@ -1 +1 @@ -Subproject commit 6f0680eb29a1737d704a1df26aafc00490cd34d8 +Subproject commit 06901ea287fd2d4d8f68afab41c6dbf95a854b5c -- 1.7.4 _______________________________________________ M4-patches mailing list [email protected] http://lists.gnu.org/mailman/listinfo/m4-patches
