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PR: 2138

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Submitted by: Kevin Regan <k.regan@f5.com>

Clear stat structure if -DPURIFY is set to avoid problems on some
platforms which include unitialised fields.
This commit is contained in:
Dr. Stephen Henson 2010-01-26 18:07:41 +00:00
parent 704d33b347
commit 1cdb7854a5
1 changed files with 8 additions and 0 deletions
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8
crypto/rand/randfile.c
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@ -118,6 +118,14 @@ int RAND_load_file(const char *file, long bytes)
if (file == NULL) return(0);
#ifndef OPENSSL_NO_POSIX_IO
#ifdef PURIFY
/* struct stat can have padding and unused fields that may not be
* initialized in the call to stat(). We need to clear the entire
* structure before calling RAND_add() to avoid complaints from
* applications such as Valgrind.
*/
memset(&sb, 0, sizeof(sb));
#endif
if (stat(file,&sb) < 0) return(0);
RAND_add(&sb,sizeof(sb),0.0);
#endif