From c2b1c0366efa08b2ceca7ab67ca5cae761173230 Mon Sep 17 00:00:00 2001
From: Timo Sirainen <tss@iki.fi>
Date: Thu, 12 Jun 2008 00:01:21 +0300
Subject: [PATCH] HP-UX: pread() and pwrite() are broken, use our own
 implementation.

--HG--
branch : HEAD
---
 configure.in     | 1 +
 src/lib/compat.c | 6 ++----
 src/lib/compat.h | 2 +-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/configure.in b/configure.in
index 23fa3a42f2..a03fdfc2de 100644
--- a/configure.in
+++ b/configure.in
@@ -613,6 +613,7 @@ dnl * OS specific options
 case "$host_os" in
 	hpux*)
 		CFLAGS="$CFLAGS -D_XOPEN_SOURCE_EXTENDED"
+		AC_DEFINE(PREAD_BROKEN,, Defint if pread/pwrite implementation is broken)
 		;;
 	*)
 		;;
diff --git a/src/lib/compat.c b/src/lib/compat.c
index e850542648..29cfa494d3 100644
--- a/src/lib/compat.c
+++ b/src/lib/compat.c
@@ -107,7 +107,7 @@ ssize_t my_writev(int fd, const struct iovec *iov, int iov_len)
 }
 #endif
 
-#ifndef HAVE_PREAD
+#if !defined(HAVE_PREAD) || defined(PREAD_BROKEN)
 ssize_t my_pread(int fd, void *buf, size_t count, off_t offset)
 {
 	ssize_t ret;
@@ -149,9 +149,7 @@ ssize_t my_pwrite(int fd, const void *buf, size_t count, off_t offset)
 		return -1;
 	return ret;
 }
-#endif
-
-#ifdef PREAD_WRAPPERS
+#elif defined(PREAD_WRAPPERS)
 
 ssize_t my_pread(int fd, void *buf, size_t count, off_t offset)
 {
diff --git a/src/lib/compat.h b/src/lib/compat.h
index 5a934b29f5..1e76582679 100644
--- a/src/lib/compat.h
+++ b/src/lib/compat.h
@@ -160,7 +160,7 @@ struct iovec;
 ssize_t my_writev(int fd, const struct iovec *iov, int iov_len);
 #endif
 
-#if !defined (HAVE_PREAD) || defined (PREAD_WRAPPERS)
+#if !defined(HAVE_PREAD) || defined(PREAD_WRAPPERS) || defined(PREAD_BROKEN)
 #  ifndef IN_COMPAT_C
 #    define pread my_pread
 #    define pwrite my_pwrite
-- 
2.47.3