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| author | Eric Blake <ebb9@byu.net> | 2008-04-28 17:08:43 -0600 |
|---|---|---|
| committer | Eric Blake <ebb9@byu.net> | 2008-04-28 17:12:24 -0600 |
| commit | 2b430e392c3090c47279cd50946b456d9c4477cc (patch) | |
| tree | 4d04d36ceb951b81870f7534cad49ccf7fc2d1ab /m4/rawmemchr.m4 | |
| parent | 657b5b96df1184ec39abcd047bae7d6faacce52b (diff) | |
| download | gnulib-2b430e392c3090c47279cd50946b456d9c4477cc.tar.gz | |
Add rawmemchr module, matching glibc.
* modules/string (Makefile.am): New indicator.
* m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): Set it.
* lib/string.in.h (rawmemchr): Declare when appropriate.
* modules/rawmemchr: New file.
* m4/rawmemchr.m4: Likewise.
* lib/rawmemchr.c: Likewise.
* modules/rawmemchr-tests: Likewise.
* tests/test-rawmemchr.c: Likewise.
* doc/glibc-functions/rawmemchr.texi (rawmemchr): Document
module.
* modules/strchrnul (Depends-on): Add rawmemchr.
* lib/strchrnul.c (strchrnul): Optimize a corner case.
Signed-off-by: Eric Blake <ebb9@byu.net>
Diffstat (limited to 'm4/rawmemchr.m4')
| -rw-r--r-- | m4/rawmemchr.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/m4/rawmemchr.m4 b/m4/rawmemchr.m4 new file mode 100644 index 0000000000..1ac7b7440f --- /dev/null +++ b/m4/rawmemchr.m4 @@ -0,0 +1,21 @@ +# rawmemchr.m4 serial 1 +dnl Copyright (C) 2003, 2007, 2008 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_FUNC_RAWMEMCHR], +[ + dnl Persuade glibc <string.h> to declare rawmemchr(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS]) + AC_REPLACE_FUNCS([rawmemchr]) + if test $ac_cv_func_rawmemchr = no; then + HAVE_RAWMEMCHR=0 + gl_PREREQ_RAWMEMCHR + fi +]) + +# Prerequisites of lib/strchrnul.c. +AC_DEFUN([gl_PREREQ_RAWMEMCHR], [:]) |