1 files changed, 87 insertions, 0 deletions
diff --git a/src/Common/libzip/zip_source_file_win32_ansi.c b/src/Common/libzip/zip_source_file_win32_ansi.c
new file mode 100644
index 00000000..58034cc2
--- /dev/null
+++ b/src/Common/libzip/zip_source_file_win32_ansi.c
@@ -0,0 +1,87 @@
+/*
+  zip_source_file_win32_ansi.c -- source for Windows file opened by ANSI name
+  Copyright (C) 1999-2020 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <info@libzip.org>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+  1. Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in
+  the documentation and/or other materials provided with the
+  distribution.
+  3. The names of the authors may not be used to endorse or promote
+  products derived from this software without specific prior
+  written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "zip_source_file_win32.h"
+
+static char *ansi_allocate_tempname(const char *name, size_t extra_chars, size_t *lengthp);
+static void ansi_make_tempname(char *buf, size_t len, const char *name, zip_uint32_t i);
+
+/* clang-format off */
+DONT_WARN_INCOMPATIBLE_FN_PTR_BEGIN
+
+zip_win32_file_operations_t ops_ansi = {
+    ansi_allocate_tempname,
+    CreateFileA,
+    DeleteFileA,
+    GetFileAttributesA,
+    GetFileAttributesExA,
+    ansi_make_tempname,
+    MoveFileExA,
+    SetFileAttributesA,
+    strdup
+};
+
+DONT_WARN_INCOMPATIBLE_FN_PTR_END
+/* clang-format on */
+
+ZIP_EXTERN zip_source_t *
+zip_source_win32a(zip_t *za, const char *fname, zip_uint64_t start, zip_int64_t len) {
+    if (za == NULL)
+        return NULL;
+
+    return zip_source_win32a_create(fname, start, len, &za->error);
+}
+
+
+ZIP_EXTERN zip_source_t *
+zip_source_win32a_create(const char *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error) {
+    if (fname == NULL || length < ZIP_LENGTH_UNCHECKED) {
+        zip_error_set(error, ZIP_ER_INVAL, 0);
+        return NULL;
+    }
+
+    return zip_source_file_common_new(fname, NULL, start, length, NULL, &_zip_source_file_win32_named_ops, &ops_ansi, error);
+}
+
+
+static char *
+ansi_allocate_tempname(const char *name, size_t extra_chars, size_t *lengthp) {
+    *lengthp = strlen(name) + extra_chars;
+    return (char *)malloc(*lengthp);
+}
+
+
+static void
+ansi_make_tempname(char *buf, size_t len, const char *name, zip_uint32_t i) {
+    snprintf_s(buf, len, "%s.%08x", name, i);
+}