From 1ee76343c6154616b6c9df55d046ca92897f12c4 Mon Sep 17 00:00:00 2001
From: jay <jay>
Date: Sun, 27 May 2007 11:04:23 +0000
Subject: [PATCH] If a system has no st_blocks member in struct stat, we assume
 files have a sparseness of 1.0

---
 ChangeLog   | 2 ++
 find/find.1 | 3 ++-
 find/pred.c | 4 ++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 2f565c4..d62db65 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,8 @@
 	* find/pred.c (mode_to_filetype): Don't use S_IFSOCK on systems
 	which lack that macro.  POSIX systems are allowed to lack
 	sockets (it's an XSI extension).
+	(file_sparseness): If struct stat lacks st_blocks, assume all
+	files have a spearseness of 1.0.
 
 	* import-gnulib.config (modules): Import fchdir inorder to fix an
 	undefined-symbol error for fchdir on BeOS.
diff --git a/find/find.1 b/find/find.1
index 90e4710..84af404 100644
--- a/find/find.1
+++ b/find/find.1
@@ -939,7 +939,8 @@ certain length is system-dependent.  However, normally sparse files
 will have values less than 1.0, and files which use indirect blocks
 may have a value which is greater than 1.0.   The value used for
 BLOCKSIZE is system-dependent, but is usually 512 bytes.   If the file
-size is zero, the value printed is undefined.
+size is zero, the value printed is undefined.  On systems which lack
+support for st_blocks, a file's sparseness is assumed to be 1.0.
 .IP %t
 File's last modification time in the format returned by the C `ctime'
 function.
diff --git a/find/pred.c b/find/pred.c
index b3598b8..ab5536a 100644
--- a/find/pred.c
+++ b/find/pred.c
@@ -626,6 +626,7 @@ mode_to_filetype(mode_t m)
 static double 
 file_sparseness(const struct stat *p)
 {
+#if defined(HAVE_STRUCT_STAT_ST_BLOCKS)
   if (0 == p->st_size)
     {
       if (0 == p->st_blocks)
@@ -638,6 +639,9 @@ file_sparseness(const struct stat *p)
       double blklen = file_blocksize(p) * (double)p->st_blocks;
       return blklen / p->st_size;
     }
+#else  
+  return 1.0;
+#endif
 }
 
 
-- 
2.11.4.GIT