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bio/bss_file.c: since VS2015 one can't tell apart own and "alien" FILE

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pointers, except for minimal std[in|out|err].

Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2016-04-06 11:21:14 +02:00
parent a4ccf06808
commit 800b299b0a
1 changed files with 5 additions and 2 deletions
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7
crypto/bio/bss_file.c
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@ -241,7 +241,7 @@ static int file_read(BIO *b, char *out, int outl)
ret = fread(out, 1, (int)outl, (FILE *)b->ptr);
if (ret == 0
&& (b->flags & BIO_FLAGS_UPLINK) ? UP_ferror((FILE *)b->ptr) :
ferror((FILE *)b->ptr)) {
ferror((FILE *)b->ptr)) {
SYSerr(SYS_F_FREAD, get_last_sys_error());
BIOerr(BIO_F_FILE_READ, ERR_R_SYS_LIB);
ret = -1;
@ -308,8 +308,11 @@ static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
# if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)
# define _IOB_ENTRIES 20
# endif
# if defined(_IOB_ENTRIES)
/* Safety net to catch purely internal BIO_set_fp calls */
# if defined(_MSC_VER) && _MSC_VER>=1900
if (ptr == stdin || ptr == stdout || ptr == stderr)
BIO_clear_flags(b, BIO_FLAGS_UPLINK);
# elif defined(_IOB_ENTRIES)
if ((size_t)ptr >= (size_t)stdin &&
(size_t)ptr < (size_t)(stdin + _IOB_ENTRIES))
BIO_clear_flags(b, BIO_FLAGS_UPLINK);