From 820b457917a4440752ac03ca0ea1c1bcfa4e6e38 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Wed, 24 Jul 2013 13:48:35 +0200
Subject: use st_blksize in c implementation
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 c/sha3sum.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'c')

diff --git a/c/sha3sum.c b/c/sha3sum.c
index 4467a72..edfaddf 100644
--- a/c/sha3sum.c
+++ b/c/sha3sum.c
@@ -17,7 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <stdio.h>
-#include <stdlib.h>
+#include <sys/stat.h>
 
 #include "sha3.h"
 
@@ -566,6 +566,7 @@ int main(int argc, char** argv)
     char* filename;
     char* fn;
     long f, fail, _;
+    struct stat attr;
     
     char* out = binary ? null : (char*)malloc(bn * 2);
     
@@ -592,7 +593,9 @@ int main(int argc, char** argv)
 	if ((filename != null) || (stdin == null))
 	  {
 	    initialise(r, c, o);
-	    blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
+	    blksize = stat(*(argv + f), &attr) ? 0 : attr.st_blksize;
+	    if (blksize <= 0)
+	      blksize = 4096;
 	    chunk = (char*)malloc(blksize);
 	    for (;;)
 	      {
-- 
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