e8aa8b6c8f
Fix some indentation at the same time Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/1292)
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
/*
|
|
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include "internal/cryptlib.h"
|
|
|
|
#if !defined(OPENSSL_NO_STDIO)
|
|
|
|
# include <stdio.h>
|
|
|
|
FILE *openssl_fopen(const char *filename, const char *mode)
|
|
{
|
|
FILE *file = NULL;
|
|
# if defined(_WIN32) && defined(CP_UTF8)
|
|
int sz, len_0 = (int)strlen(filename) + 1;
|
|
DWORD flags;
|
|
|
|
/*
|
|
* Basically there are three cases to cover: a) filename is
|
|
* pure ASCII string; b) actual UTF-8 encoded string and
|
|
* c) locale-ized string, i.e. one containing 8-bit
|
|
* characters that are meaningful in current system locale.
|
|
* If filename is pure ASCII or real UTF-8 encoded string,
|
|
* MultiByteToWideChar succeeds and _wfopen works. If
|
|
* filename is locale-ized string, chances are that
|
|
* MultiByteToWideChar fails reporting
|
|
* ERROR_NO_UNICODE_TRANSLATION, in which case we fall
|
|
* back to fopen...
|
|
*/
|
|
if ((sz = MultiByteToWideChar(CP_UTF8, (flags = MB_ERR_INVALID_CHARS),
|
|
filename, len_0, NULL, 0)) > 0 ||
|
|
(GetLastError() == ERROR_INVALID_FLAGS &&
|
|
(sz = MultiByteToWideChar(CP_UTF8, (flags = 0),
|
|
filename, len_0, NULL, 0)) > 0)
|
|
) {
|
|
WCHAR wmode[8];
|
|
WCHAR *wfilename = _alloca(sz * sizeof(WCHAR));
|
|
|
|
if (MultiByteToWideChar(CP_UTF8, flags,
|
|
filename, len_0, wfilename, sz) &&
|
|
MultiByteToWideChar(CP_UTF8, 0, mode, strlen(mode) + 1,
|
|
wmode, OSSL_NELEM(wmode)) &&
|
|
(file = _wfopen(wfilename, wmode)) == NULL &&
|
|
(errno == ENOENT || errno == EBADF)
|
|
) {
|
|
/*
|
|
* UTF-8 decode succeeded, but no file, filename
|
|
* could still have been locale-ized...
|
|
*/
|
|
file = fopen(filename, mode);
|
|
}
|
|
} else if (GetLastError() == ERROR_NO_UNICODE_TRANSLATION) {
|
|
file = fopen(filename, mode);
|
|
}
|
|
# elif defined(__DJGPP__)
|
|
{
|
|
char *newname = NULL;
|
|
|
|
if (!HAS_LFN_SUPPORT(filename)) {
|
|
char *iterator;
|
|
char lastchar;
|
|
|
|
newname = OPENSSL_malloc(strlen(filename) + 1);
|
|
if (newname == NULL)
|
|
return NULL;
|
|
|
|
for (iterator = newname, lastchar = '\0';
|
|
*filename; filename++, iterator++) {
|
|
if (lastchar == '/' && filename[0] == '.'
|
|
&& filename[1] != '.' && filename[1] != '/') {
|
|
/* Leading dots are not permitted in plain DOS. */
|
|
*iterator = '_';
|
|
} else {
|
|
*iterator = *filename;
|
|
}
|
|
lastchar = *filename;
|
|
}
|
|
*iterator = '\0';
|
|
filename = newname;
|
|
}
|
|
file = fopen(filename, mode);
|
|
|
|
OPENSSL_free(newname);
|
|
}
|
|
# else
|
|
file = fopen(filename, mode);
|
|
# endif
|
|
return file;
|
|
}
|
|
|
|
#else
|
|
|
|
void *openssl_fopen(const char *filename, const char *mode)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|