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

[openssl.git] / crypto / bio / bss_file.c

diff --git a/crypto/bio/bss_file.c b/crypto/bio/bss_file.c
index 8f22ef7f9fe0bbef69352e54d651e6db8e735771..081c7f16322f8332c5a74f033cee55ab652eba67 100644 (file)
--- a/crypto/bio/bss_file.c
+++ b/crypto/bio/bss_file.c
@@ -1,4 +1,3 @@
-/* crypto/bio/bss_file.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -85,14 +84,9 @@
 
 # include <stdio.h>
 # include <errno.h>
-# include "internal/cryptlib.h"
 # include "bio_lcl.h"
 # include <openssl/err.h>
 
-# if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
-#  include <nwfileio.h>
-# endif
-
 # if !defined(OPENSSL_NO_STDIO)
 
 static int file_write(BIO *h, const char *buf, int num);
@@ -102,7 +96,7 @@ static int file_gets(BIO *h, char *str, int size);
 static long file_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 static int file_new(BIO *h);
 static int file_free(BIO *data);
-static BIO_METHOD methods_filep = {
+static const BIO_METHOD methods_filep = {
     BIO_TYPE_FILE,
     "FILE pointer",
     file_write,
@@ -198,13 +192,13 @@ BIO *BIO_new_fp(FILE *stream, int close_flag)
     if ((ret = BIO_new(BIO_s_file())) == NULL)
         return (NULL);
 
-    BIO_set_flags(ret, BIO_FLAGS_UPLINK); /* redundant, left for
-                                           * documentation puposes */
+    /* redundant flag, left for documentation purposes */
+    BIO_set_flags(ret, BIO_FLAGS_UPLINK);
     BIO_set_fp(ret, stream, close_flag);
     return (ret);
 }
 
-BIO_METHOD *BIO_s_file(void)
+const BIO_METHOD *BIO_s_file(void)
 {
     return (&methods_filep);
 }
@@ -247,7 +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;
@@ -314,8 +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);
@@ -333,13 +330,6 @@ static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
                 _setmode(fd, _O_TEXT);
             else
                 _setmode(fd, _O_BINARY);
-#  elif defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
-            int fd = fileno((FILE *)ptr);
-            /* Under CLib there are differences in file modes */
-            if (num & BIO_FP_TEXT)
-                setmode(fd, O_TEXT);
-            else
-                setmode(fd, O_BINARY);
 #  elif defined(OPENSSL_SYS_MSDOS)
             int fd = fileno((FILE *)ptr);
             /* Set correct text/binary mode */
@@ -353,7 +343,7 @@ static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
                 } else
                     _setmode(fd, _O_BINARY);
             }
-#  elif defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
+#  elif defined(OPENSSL_SYS_WIN32_CYGWIN)
             int fd = fileno((FILE *)ptr);
             if (num & BIO_FP_TEXT)
                 setmode(fd, O_TEXT);
@@ -367,27 +357,21 @@ static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
         b->shutdown = (int)num & BIO_CLOSE;
         if (num & BIO_FP_APPEND) {
             if (num & BIO_FP_READ)
-                BUF_strlcpy(p, "a+", sizeof p);
+                OPENSSL_strlcpy(p, "a+", sizeof p);
             else
-                BUF_strlcpy(p, "a", sizeof p);
+                OPENSSL_strlcpy(p, "a", sizeof p);
         } else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
-            BUF_strlcpy(p, "r+", sizeof p);
+            OPENSSL_strlcpy(p, "r+", sizeof p);
         else if (num & BIO_FP_WRITE)
-            BUF_strlcpy(p, "w", sizeof p);
+            OPENSSL_strlcpy(p, "w", sizeof p);
         else if (num & BIO_FP_READ)
-            BUF_strlcpy(p, "r", sizeof p);
+            OPENSSL_strlcpy(p, "r", sizeof p);
         else {
             BIOerr(BIO_F_FILE_CTRL, BIO_R_BAD_FOPEN_MODE);
             ret = 0;
             break;
         }
-#  if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_WIN32_CYGWIN)
-        if (!(num & BIO_FP_TEXT))
-            strcat(p, "b");
-        else
-            strcat(p, "t");
-#  endif
-#  if defined(OPENSSL_SYS_NETWARE)
+#  if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32_CYGWIN)
         if (!(num & BIO_FP_TEXT))
             strcat(p, "b");
         else
@@ -467,6 +451,60 @@ static int file_puts(BIO *bp, const char *str)
     return (ret);
 }
 
+#else
+
+static int file_write(BIO *b, const char *in, int inl)
+{
+    return -1;
+}
+static int file_read(BIO *b, char *out, int outl)
+{
+    return -1;
+}
+static int file_puts(BIO *bp, const char *str)
+{
+    return -1;
+}
+static int file_gets(BIO *bp, char *buf, int size)
+{
+    return 0;
+}
+static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    return 0;
+}
+static int file_new(BIO *bi)
+{
+    return 0;
+}
+static int file_free(BIO *a)
+{
+    return 0;
+}
+
+static const BIO_METHOD methods_filep = {
+    BIO_TYPE_FILE,
+    "FILE pointer",
+    file_write,
+    file_read,
+    file_puts,
+    file_gets,
+    file_ctrl,
+    file_new,
+    file_free,
+    NULL,
+};
+
+const BIO_METHOD *BIO_s_file(void)
+{
+    return (&methods_filep);
+}
+
+BIO *BIO_new_file(const char *filename, const char *mode)
+{
+    return NULL;
+}
+
 # endif                         /* OPENSSL_NO_STDIO */
 
 #endif                          /* HEADER_BSS_FILE_C */