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author | Simon Josefsson <simon@josefsson.org> | 2008-05-16 11:40:09 +0200 |
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committer | Simon Josefsson <simon@josefsson.org> | 2008-05-16 11:40:09 +0200 |
commit | a0f55f2bd0f5283b9a8df3a8ac77feed175d9e96 (patch) | |
tree | 9380ed8887e02e6760a20bd759f450547f384f88 /lgl | |
parent | 7a9fc785ad6d6a477bc35d6fe0f0d4838a38b3b5 (diff) | |
download | gnutls-a0f55f2bd0f5283b9a8df3a8ac77feed175d9e96.tar.gz |
Update gnulib files.
Diffstat (limited to 'lgl')
-rw-r--r-- | lgl/m4/memmem.m4 | 26 | ||||
-rw-r--r-- | lgl/str-two-way.h | 4 |
2 files changed, 25 insertions, 5 deletions
diff --git a/lgl/m4/memmem.m4 b/lgl/m4/memmem.m4 index 383ed4b302..d8c1230970 100644 --- a/lgl/m4/memmem.m4 +++ b/lgl/m4/memmem.m4 @@ -1,4 +1,4 @@ -# memmem.m4 serial 10 +# memmem.m4 serial 12 dnl Copyright (C) 2002, 2003, 2004, 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, @@ -49,9 +49,27 @@ AC_DEFUN([gl_FUNC_MEMMEM], /* Check for empty needle behavior. */ return !result || !memmem ("a", 1, 0, 0);]])], [gl_cv_func_memmem_works=yes], [gl_cv_func_memmem_works=no], - [dnl pessimistically assume the worst, since even glibc 2.6.1 - dnl has quadratic complexity in its memmem - gl_cv_func_memmem_works="guessing no"])]) + [dnl Only glibc >= 2.9 and cygwin >= 1.7.0 are known to have a + dnl memmem that works in linear time. + AC_EGREP_CPP([Lucky user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9) || (__GLIBC__ > 2) + Lucky user + #endif +#endif +#ifdef __CYGWIN__ + #include <cygwin/version.h> + #if CYGWIN_VERSION_DLL_MAJOR >= 1007 + Lucky user + #endif +#endif + ], + [gl_cv_func_memmem_works=yes], + [gl_cv_func_memmem_works="guessing no"]) + ]) + ]) if test "$gl_cv_func_memmem_works" != yes; then REPLACE_MEMMEM=1 AC_LIBOBJ([memmem]) diff --git a/lgl/str-two-way.h b/lgl/str-two-way.h index 846824506c..69580736fa 100644 --- a/lgl/str-two-way.h +++ b/lgl/str-two-way.h @@ -67,7 +67,9 @@ # define LONG_NEEDLE_THRESHOLD SIZE_MAX #endif -#define MAX(a, b) ((a < b) ? (b) : (a)) +#ifndef MAX +# define MAX(a, b) ((a < b) ? (b) : (a)) +#endif #ifndef CANON_ELEMENT # define CANON_ELEMENT(c) c |