diff options
Diffstat (limited to 'libc/regexp/patch.2')
| -rw-r--r-- | libc/regexp/patch.2 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libc/regexp/patch.2 b/libc/regexp/patch.2 new file mode 100644 index 0000000..fcf4778 --- /dev/null +++ b/libc/regexp/patch.2 @@ -0,0 +1,27 @@ +Subject: 2nd bug fix for regexp(3), in regsub() +Newsgroups: mod.sources +Approved: jpn@panda.UUCP + +Mod.sources: Volume 4, Issue 33 +Submitted by: genrad!decvax!utzoo!henry + +I cringe with embarrassment! Another bug in regexp! In regsub.c, the +following line (line 72 in the original distribution): + + if (*(dst-1) == '\0') { /* strncpy hit NUL. */ + +should read + + if (len != 0 && *(dst-1) == '\0') { /* strncpy hit NUL. */ + +This shows up as an occasional spurious complaint from regsub about +"damaged match string"... *if* the program invoking it, and the compiler +compiling it, happen to interact just right. It didn't show in any of +my tests because mine don't. + +My thanks to H}vard Eidnes for finding this. + + Henry Spencer @ U of Toronto Zoology + {allegra,ihnp4,linus,decvax}!utzoo!henry + + |