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strstr, strcasestr: replace on platforms with broken memchr * modules/strstr: Split into... * modules/strstr-simple: ...new module that does not care about performance, but does care about glibc bug. * m4/strstr.m4 (gl_FUNC_STRSTR): Split... (gl_FUNC_STRSTR_SIMPLE): ...into new macro, which replaces strstr if platform memchr is broken, per Debian bug 521737. * m4/strcasestr.m4 (gl_FUNC_STRCASESTR_SIMPLE): React to broken memchr. * m4/memchr.m4 (gl_FUNC_MEMCHR): Only expand once. * doc/posix-functions/strstr.texi (strstr): Document the fix. * doc/glibc-functions/strcasestr.texi (strcasestr): Likewise. * modules/mountlist (Depends-on): Add strstr-simple. * modules/gen-uni-tables (Depends-on): Likewise. * modules/argz (Depends-on): Add strstr. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Tue, 16 Jun 2009 06:14:05 -0600
parents fb8d0f8624e2
children ae139af6ca5c
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@node strsignal
@section @code{strsignal}
@findex strsignal

POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/strsignal.html}

Gnulib module: strsignal

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
AIX 4.3.2, HP-UX 11, IRIX 6.5, OSF/1 5.1, mingw.

@item
This function does not return a string for out-of-range numbers on
some platforms:
Solaris, AIX 5.1.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
This function returns @code{const char *} instead of @code{char *} on
some platforms:
cygwin 1.5.25.
@end itemize