memchr: detect broken x86_64 and alpha implementations * modules/memchr-tests (Depends-on): Move mmap detection... * modules/memchr (Depends-on): ...here. (configure.ac): Set indicator. * lib/string.in.h (memchr): Declare replacement. * modules/string (Makefile.am): Trigger replacement. * m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): Likewise. * m4/memchr.m4 (gl_FUNC_MEMCHR): Use mmap to detect platform bugs. * doc/posix-functions/memchr.texi (memchr): Document the bug. * modules/getpagesize (License): Relax license. Signed-off-by: Eric Blake <ebb9@byu.net>

Description:
getpagesize() function: Return memory page size.

Files:
lib/getpagesize.c
m4/getpagesize.m4

Depends-on:
unistd

configure.ac:
gl_FUNC_GETPAGESIZE
gl_UNISTD_MODULE_INDICATOR([getpagesize])

Makefile.am:

Include:
<unistd.h>

License:
LGPLv2+

Maintainer:
Jim Meyering