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author | Simon Josefsson <simon@josefsson.org> | 2010-02-17 10:10:47 +0100 |
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committer | Simon Josefsson <simon@josefsson.org> | 2010-02-17 10:10:47 +0100 |
commit | db3a3b93e599669172d46d81c3db3eb661640996 (patch) | |
tree | e0d9da491762dead0f4f742555a17e32f8f782df /gl/m4/getdelim.m4 | |
parent | 8728945992cce0019e0d286181d81dcd9d280d0d (diff) | |
download | gnutls-db3a3b93e599669172d46d81c3db3eb661640996.tar.gz |
Update gnulib files.
Diffstat (limited to 'gl/m4/getdelim.m4')
-rw-r--r-- | gl/m4/getdelim.m4 | 65 |
1 files changed, 60 insertions, 5 deletions
diff --git a/gl/m4/getdelim.m4 b/gl/m4/getdelim.m4 index 9e5ad5baaf..4beb1501c2 100644 --- a/gl/m4/getdelim.m4 +++ b/gl/m4/getdelim.m4 @@ -1,6 +1,6 @@ -# getdelim.m4 serial 5 +# getdelim.m4 serial 6 -dnl Copyright (C) 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc. +dnl Copyright (C) 2005-2007, 2009-2010 Free Software Foundation, Inc. dnl dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -15,16 +15,71 @@ AC_DEFUN([gl_FUNC_GETDELIM], dnl Persuade glibc <stdio.h> to declare getdelim(). AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - AC_REPLACE_FUNCS([getdelim]) AC_CHECK_DECLS_ONCE([getdelim]) - if test $ac_cv_func_getdelim = no; then - gl_PREREQ_GETDELIM + AC_CHECK_FUNCS_ONCE([getdelim]) + if test $ac_cv_func_getdelim = yes; then + dnl Found it in some library. Verify that it works. + AC_CACHE_CHECK([for working getdelim function], [gl_cv_func_working_getdelim], + [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +# include <stdio.h> +# include <stdlib.h> +# include <string.h> + int main () + { + FILE *in = fopen ("./conftest.data", "r"); + if (!in) + return 1; + { + /* Test result for a NULL buffer and a zero size. + Based on a test program from Karl Heuer. */ + char *line = NULL; + size_t siz = 0; + int len = getdelim (&line, &siz, '\n', in); + if (!(len == 4 && line && strcmp (line, "foo\n") == 0)) + return 1; + } + { + /* Test result for a NULL buffer and a non-zero size. + This crashes on FreeBSD 8.0. */ + char *line = NULL; + size_t siz = (size_t)(~0) / 4; + if (getdelim (&line, &siz, '\n', in) == -1) + return 1; + } + return 0; + } + ]])], [gl_cv_func_working_getdelim=yes] dnl The library version works. + , [gl_cv_func_working_getdelim=no] dnl The library version does NOT work. + , dnl We're cross compiling. Assume it works on glibc2 systems. + [AC_EGREP_CPP([Lucky GNU user], + [ +#include <features.h> +#ifdef __GNU_LIBRARY__ + #if (__GLIBC__ >= 2) + Lucky GNU user + #endif +#endif + ], + [gl_cv_func_working_getdelim=yes], + [gl_cv_func_working_getdelim=no])] + )]) + else + gl_cv_func_working_getdelim=no fi if test $ac_cv_have_decl_getdelim = no; then HAVE_DECL_GETDELIM=0 fi + + if test $gl_cv_func_working_getdelim = no; then + if test $ac_cv_func_getdelim = yes; then + REPLACE_GETDELIM=1 + fi + AC_LIBOBJ([getdelim]) + gl_PREREQ_GETDELIM + fi ]) # Prerequisites of lib/getdelim.c. |