mirror of
https://https.git.savannah.gnu.org/git/gnulib.git
synced 2026-09-01 11:16:02 +00:00
Bruno Haible
c36a0f21b3
* doc/Makefile (undocumented-modules.texi): New rule. (%.info, %.html, %.dvi, %.pdf): Depend on undocumented-modules.texi. (mostlyclean): Remove also *.m and *.tmp. (force): New rule. * doc/*.texi: Add module index entries. * doc/*/*.texi: Likewise.
43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
@node strstr
|
|
@subsection @code{strstr}
|
|
@findex strstr
|
|
|
|
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/strstr.html}
|
|
|
|
Gnulib module: strstr or strstr-simple
|
|
@mindex strstr
|
|
@mindex strstr-simple
|
|
|
|
Portability problems fixed by either Gnulib module @code{strstr-simple}
|
|
or @code{strstr}:
|
|
@itemize
|
|
@item
|
|
This function can trigger memchr bugs on some platforms:
|
|
glibc 2.10.
|
|
@item
|
|
This function can trigger false positives for long periodic needles on
|
|
some platforms:
|
|
glibc 2.12, Cygwin 1.7.7.
|
|
@item
|
|
This function may fail to find matches on some platforms:
|
|
glibc 2.28.
|
|
@end itemize
|
|
|
|
Portability problems fixed by Gnulib module @code{strstr}:
|
|
@itemize
|
|
@item
|
|
This function has quadratic instead of linear worst-case complexity on some
|
|
platforms:
|
|
glibc 2.8, macOS 14, FreeBSD 11.4, NetBSD 10.0, OpenBSD 6.1, AIX 7.2, HP-UX 11, Solaris 11.4, Cygwin 1.5.x, mingw, MSVC 14.
|
|
@end itemize
|
|
|
|
Portability problems not fixed by Gnulib:
|
|
@itemize
|
|
@item
|
|
This function cannot work correctly on character strings in most multibyte
|
|
locales.
|
|
@mindex mbsstr
|
|
Gnulib provides an alternative function @code{mbsstr} that works
|
|
on character strings in all locales.
|
|
@end itemize
|