/* Low-level I/O routines for BFDs.
- Copyright (C) 1990-2020 Free Software Foundation, Inc.
+ Copyright (C) 1990-2022 Free Software Foundation, Inc.
Written by Cygnus Support.
#include "aout/ar.h"
#if defined (_WIN32)
#include <windows.h>
+#include <locale.h>
#endif
#ifndef S_IXUSR
}
#elif defined (_WIN32)
- size_t filelen = strlen (filename) + 1;
+ /* PR 25713: Handle extra long path names possibly containing '..' and '.'. */
+ wchar_t ** lpFilePart = {NULL};
+ const wchar_t prefix[] = L"\\\\?\\";
+ const size_t partPathLen = strlen (filename) + 1;
+#ifdef __MINGW32__
+ const unsigned int cp = ___lc_codepage_func();
+#else
+ const unsigned int cp = CP_UTF8;
+#endif
- if (filelen > MAX_PATH - 1)
- {
- FILE *file;
- char* fullpath = (char *) malloc (filelen + 8);
-
- /* Add a Microsoft recommended prefix that
- will allow the extra-long path to work. */
- strcpy (fullpath, "\\\\?\\");
- strcat (fullpath, filename);
- file = close_on_exec (fopen (fullpath, modes));
- free (fullpath);
- return file;
- }
+ /* Converting the partial path from ascii to unicode.
+ 1) Get the length: Calling with lpWideCharStr set to null returns the length.
+ 2) Convert the string: Calling with cbMultiByte set to -1 includes the terminating null. */
+ size_t partPathWSize = MultiByteToWideChar (cp, 0, filename, -1, NULL, 0);
+ wchar_t * partPath = calloc (partPathWSize, sizeof(wchar_t));
+ size_t ix;
+
+ MultiByteToWideChar (cp, 0, filename, -1, partPath, partPathWSize);
+
+ /* Convert any UNIX style path separators into the DOS i.e. backslash separator. */
+ for (ix = 0; ix < partPathLen; ix++)
+ if (IS_UNIX_DIR_SEPARATOR(filename[ix]))
+ partPath[ix] = '\\';
+
+ /* Getting the full path from the provided partial path.
+ 1) Get the length.
+ 2) Resolve the path. */
+ long fullPathWSize = GetFullPathNameW (partPath, 0, NULL, lpFilePart);
+ wchar_t * fullPath = calloc (fullPathWSize + sizeof(prefix) + 1, sizeof(wchar_t));
+
+ wcscpy (fullPath, prefix);
+
+ int prefixLen = sizeof(prefix) / sizeof(wchar_t);
+ wchar_t * fullPathOffset = fullPath + prefixLen - 1;
+
+ GetFullPathNameW (partPath, fullPathWSize, fullPathOffset, lpFilePart);
+ free (partPath);
+
+ /* It is non-standard for modes to exceed 16 characters. */
+ wchar_t modesW[16];
+
+ MultiByteToWideChar (cp, 0, modes, -1, modesW, sizeof(modesW));
+
+ FILE * file = _wfopen (fullPath, modesW);
+ free (fullPath);
+
+ return close_on_exec (file);
#elif defined (HAVE_FOPEN64)
return close_on_exec (fopen64 (filename, modes));
-#endif
+#else
return close_on_exec (fopen (filename, modes));
+#endif
}
/*
}
offset += abfd->origin;
- /* If this is an archive element, don't read past the end of
+ /* If this is a non-thin archive element, don't read past the end of
this element. */
- if (element_bfd->arelt_data != NULL)
+ if (element_bfd->arelt_data != NULL
+ && element_bfd->my_archive != NULL
+ && !bfd_is_thin_archive (element_bfd->my_archive))
{
bfd_size_type maxbytes = arelt_size (element_bfd);
&& !bfd_is_thin_archive (abfd->my_archive))
{
struct areltdata *adata = (struct areltdata *) abfd->arelt_data;
- archive_size = adata->parsed_size;
- /* If the archive is compressed we can't compare against file size. */
- if (memcmp (((struct ar_hdr *) adata->arch_header)->ar_fmag,
- "Z\012", 2) == 0)
- return archive_size;
- abfd = abfd->my_archive;
+ if (adata != NULL)
+ {
+ archive_size = adata->parsed_size;
+ /* If the archive is compressed we can't compare against
+ file size. */
+ if (adata->arch_header != NULL
+ && memcmp (((struct ar_hdr *) adata->arch_header)->ar_fmag,
+ "Z\012", 2) == 0)
+ return archive_size;
+ abfd = abfd->my_archive;
+ }
}
file_size = bfd_get_size (abfd);
{
struct bfd_in_memory *bim = (struct bfd_in_memory *) abfd->iostream;
- if (bim->buffer != NULL)
- free (bim->buffer);
+ free (bim->buffer);
free (bim);
abfd->iostream = NULL;