diff options
| author | Andy Polyakov <appro@openssl.org> | 2018-06-27 11:57:45 +0200 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2018-08-13 20:38:16 +0100 |
| commit | cc08075f66cd84949524444321bb59566f22dce0 (patch) | |
| tree | 99186995c979430df230a1afcbde223ba0515687 /crypto/o_fopen.c | |
| parent | 6114041540d8d1fecaf23a861788c3c742d3b467 (diff) | |
crypto/o_fopen.c: alias fopen to fopen64.
Originally fopen(3) was called from bio/bss_file.c, which performed the
aliasing. Then fopen(3) was moved to o_fopen.c, while "magic" definition
was left behind. It's still useful on 32-bit platforms, so pull it to
o_fopen.c.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6596)
(cherry picked from commit 2369111fd94ebc9b7d37e68f3ea9629f2fe5fa2e)
Diffstat (limited to 'crypto/o_fopen.c')
| -rw-r--r-- | crypto/o_fopen.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/crypto/o_fopen.c b/crypto/o_fopen.c index a3a006574d..63a31b0e1b 100644 --- a/crypto/o_fopen.c +++ b/crypto/o_fopen.c @@ -7,6 +7,24 @@ * https://www.openssl.org/source/license.html */ +# if defined(__linux) || defined(__sun) || defined(__hpux) +/* + * Following definition aliases fopen to fopen64 on above mentioned + * platforms. This makes it possible to open and sequentially access files + * larger than 2GB from 32-bit application. It does not allow to traverse + * them beyond 2GB with fseek/ftell, but on the other hand *no* 32-bit + * platform permits that, not with fseek/ftell. Not to mention that breaking + * 2GB limit for seeking would require surgery to *our* API. But sequential + * access suffices for practical cases when you can run into large files, + * such as fingerprinting, so we can let API alone. For reference, the list + * of 32-bit platforms which allow for sequential access of large files + * without extra "magic" comprise *BSD, Darwin, IRIX... + */ +# ifndef _FILE_OFFSET_BITS +# define _FILE_OFFSET_BITS 64 +# endif +# endif + #include "internal/cryptlib.h" #if !defined(OPENSSL_NO_STDIO) |