Fix the xRandomness() method on the unix VFS to return the number of bytes

of randomness obtained. (CVS 5821)

FossilOrigin-Name: b7687e2f2dfa5b0a01ba87ae0bf13684cda50499

1 files changed, 5 insertions, 3 deletions

diff --git a/src/os_unix.c b/src/os_unix.c
index 140fdbd57..159c8d1e4 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -12,7 +12,7 @@
 **
 ** This file contains code that is specific to Unix systems.
 **
-** $Id: os_unix.c,v 1.204 2008/09/24 09:12:47 danielk1977 Exp $
+** $Id: os_unix.c,v 1.205 2008/10/14 17:58:38 drh Exp $
 */
 #include "sqliteInt.h"
 #if SQLITE_OS_UNIX              /* This file is used on unix only */
@@ -2865,13 +2865,15 @@ static int unixRandomness(sqlite3_vfs *pVfs, int nBuf, char *zBuf){
       memcpy(zBuf, &t, sizeof(t));
       pid = getpid();
       memcpy(&zBuf[sizeof(t)], &pid, sizeof(pid));
+      assert( sizeof(t)+sizeof(pid)<=nBuf );
+      nBuf = sizeof(t) + sizeof(pid);
     }else{
-      read(fd, zBuf, nBuf);
+      nBuf = read(fd, zBuf, nBuf);
       close(fd);
     }
   }
 #endif
-  return SQLITE_OK;
+  return nBuf;
 }