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r10466: work around missing pread/pwrite declaration on openbsd

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Andrew Tridgell 2005-09-24 04:56:51 +00:00 committed by Gerald (Jerry) Carter
parent 294ccfd46a
commit e615f36733
3 changed files with 23 additions and 0 deletions
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12
source/lib/tdb/aclocal.m4 vendored Normal file
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@ -0,0 +1,12 @@
dnl see if a declaration exists for a function or variable
dnl defines HAVE_function_DECL if it exists
dnl AC_HAVE_DECL(var, includes)
AC_DEFUN(AC_HAVE_DECL,
[
AC_CACHE_CHECK([for $1 declaration],ac_cv_have_$1_decl,[
AC_TRY_COMPILE([$2],[int i = (int)$1],
ac_cv_have_$1_decl=yes,ac_cv_have_$1_decl=no)])
if test x"$ac_cv_have_$1_decl" = x"yes"; then
AC_DEFINE([HAVE_]translit([$1], [a-z], [A-Z])[_DECL],1,[Whether $1() is available])
fi
])

8
source/lib/tdb/common/tdb_private.h
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@ -45,6 +45,14 @@
#include <sys/stat.h>
#include "config.h"
#include "tdb.h"
#ifndef HAVE_PREAD_DECL
ssize_t pread(int fd, void *buf, size_t count, off_t offset);
#endif
#ifndef HAVE_PWRITE_DECL
ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
#endif
#else
#include "includes.h"
#include "lib/tdb/include/tdb.h"

3
source/lib/tdb/config.m4
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@ -1,6 +1,9 @@
AC_CHECK_FUNCS(mmap pread pwrite)
AC_CHECK_HEADERS(getopt.h)
AC_HAVE_DECL(pread, [#include <unistd.h>])
AC_HAVE_DECL(pwrite, [#include <unistd.h>])
if test x"$experimental" = x"yes"; then
SMB_LIBRARY_ENABLE(libtdb,YES)
fi