From b65859f65c3f5dcd88fd83df10774c5e30d841bf Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Thu, 11 Jun 2009 18:15:08 +0200
Subject: [PATCH] added support for neon >= 0.27

neon 0.27 dropped the ne_*64 functions in favor of a new type ne_off_t that
was introduced to take care of LFS stuff. The build process now checks for the
version of neon and uses the appropriate functions accordingly.
---
 configure.ac    | 23 +++++++++++++++++++++++
 src/filecache.c | 10 ++++++++--
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 17210a5..3d4b1f9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,29 @@ AC_CHECK_FUNCS([ftruncate memset strdup strerror strrchr memchr strchr strcspn])
 AC_CHECK_LIB([pthread], [pthread_create])
 
 PKG_CHECK_MODULES(NEON, [ neon >= 0.26 ])
+
+AC_MSG_CHECKING([for NEON >= 0.27])
+if pkg-config --atleast-version=0.27 neon; then
+    AC_DEFINE([NEON_GT_0_27], 1, [Define to 1 if you have neon >= 0.27.])
+    AC_MSG_RESULT([yes])
+
+    OLDCFLAGS="$CFLAGS"
+    CFLAGS="$CFLAGS $NEON_CFLAGS"
+    AC_CHECK_SIZEOF([off_t])
+    AC_CHECK_SIZEOF([ne_off_t], [],
+        [
+AC_INCLUDES_DEFAULT
+#include "ne_defs.h"
+        ])
+    CFLAGS="$OLDCFLAGS"
+
+    if test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_ne_off_t; then
+        AC_MSG_ERROR([*** Sorry, ne_off_t is incompatible to off_t ***])
+    fi
+else
+    AC_MSG_RESULT([no])
+fi
+
 PKG_CHECK_MODULES(FUSE, [ fuse >= 2.5 ])
 
 # LYNX documentation generation
diff --git a/src/filecache.c b/src/filecache.c
index 189db27..3677056 100644
--- a/src/filecache.c
+++ b/src/filecache.c
@@ -233,8 +233,13 @@ fail:
 }
 
 static int load_up_to_unlocked(struct file_info *fi, off_t l) {
-
+#ifdef NEON_GT_0_27
+#define NE_GET_RANGE ne_get_range
+    ne_content_range range;
+#else
+#define NE_GET_RANGE ne_get_range64
     ne_content_range64 range;
+#endif
     ne_session *session;
 
     assert(fi);
@@ -257,7 +262,7 @@ static int load_up_to_unlocked(struct file_info *fi, off_t l) {
     range.end = l-1;
     range.total = 0;
     
-    if (ne_get_range64(session, fi->filename, &range, fi->fd) != NE_OK) {
+    if (NE_GET_RANGE(session, fi->filename, &range, fi->fd) != NE_OK) {
         fprintf(stderr, "GET failed: %s\n", ne_get_error(session));
         errno = ENOENT;
         return -1;
@@ -265,6 +270,7 @@ static int load_up_to_unlocked(struct file_info *fi, off_t l) {
 
     fi->present = l;
     return 0;
+#undef NE_GET_RANGE
 }
 
 int file_cache_read(void *f, char *buf, size_t size, off_t offset) {
-- 
2.30.2