1 files changed, 55 insertions, 13 deletions
diff --git a/src/Common/libzip/compat.h b/src/Common/libzip/compat.h
index fb2c56e1..296ee59e 100644
--- a/src/Common/libzip/compat.h
+++ b/src/Common/libzip/compat.h
@@ -3,10 +3,10 @@
 
 /*
   compat.h -- compatibility defines.
-  Copyright (C) 1999-2019 Dieter Baron and Thomas Klausner
+  Copyright (C) 1999-2021 Dieter Baron and Thomas Klausner
 
   This file is part of libzip, a library to manipulate ZIP archives.
-  The authors can be contacted at <libzip@nih.at>
+  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
@@ -41,27 +41,29 @@
 /* to have *_MAX definitions for all types when compiling with g++ */
 #define __STDC_LIMIT_MACROS
 
-#ifdef _WIN32
-#ifndef ZIP_EXTERN
-#ifndef ZIP_STATIC
+/* to have ISO C secure library functions */
+#define __STDC_WANT_LIB_EXT1__ 1
+
+#if defined(_WIN32) && defined(ZIP_DLL) && !defined(ZIP_STATIC)
+#ifdef BUILDING_LIBZIP
 #define ZIP_EXTERN __declspec(dllexport)
 #else
-#define ZIP_EXTERN
+#define ZIP_EXTERN __declspec(dllimport)
 #endif
 #endif
+
+#ifdef _WIN32
 /* for dup(), close(), etc. */
 #include <io.h>
 #endif
 
 #ifdef HAVE_STDBOOL_H
 #include <stdbool.h>
-#else
-#ifndef __cplusplus
+#elif !defined(__BOOL_DEFINED)
 typedef char bool;
 #define true 1
 #define false 0
 #endif
-#endif
 
 #include <errno.h>
 
@@ -85,9 +87,6 @@ typedef char bool;
 #endif
 
 #ifdef _WIN32
-#if defined(HAVE__CHMOD)
-#define chmod _chmod
-#endif
 #if defined(HAVE__CLOSE)
 #define close _close
 #endif
@@ -101,9 +100,12 @@ typedef char bool;
 #if !defined(HAVE_FILENO) && defined(HAVE__FILENO)
 #define fileno _fileno
 #endif
-#if defined(HAVE__SNPRINTF)
+#if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
 #define snprintf _snprintf
 #endif
+#if !defined(HAVE__SNWPRINTF_S)
+#define _snwprintf_s(buf, bufsz, len, fmt, ...) (_snwprintf((buf), (len), (fmt), __VA_ARGS__))
+#endif
 #if defined(HAVE__STRDUP)
 #if !defined(HAVE_STRDUP) || defined(_WIN32)
 #undef strdup
@@ -132,6 +134,33 @@ typedef char bool;
 #define ftello(s) ((long)ftell((s)))
 #endif
 
+#ifdef HAVE_LOCALTIME_S
+#ifdef _WIN32
+/* Windows is incompatible to the C11 standard, hurray! */
+#define zip_localtime(t, tm) (localtime_s((tm), (t)) == 0 ? tm : NULL)
+#else
+#define zip_localtime localtime_s
+#endif
+#else
+#ifdef HAVE_LOCALTIME_R
+#define zip_localtime localtime_r
+#else
+#define zip_localtime(t, tm) (localtime(t))
+#endif
+#endif
+
+#ifndef HAVE_MEMCPY_S
+#define memcpy_s(dest, destsz, src, count) (memcpy((dest), (src), (count)) == NULL)
+#endif
+
+#ifndef HAVE_SNPRINTF_S
+#ifdef HAVE__SNPRINTF_S
+#define snprintf_s(buf, bufsz, fmt, ...) (_snprintf_s((buf), (bufsz), (bufsz), (fmt), __VA_ARGS__))
+#else
+#define snprintf_s snprintf
+#endif
+#endif
+
 #if !defined(HAVE_STRCASECMP)
 #if defined(HAVE__STRICMP)
 #define strcasecmp _stricmp
@@ -140,6 +169,19 @@ typedef char bool;
 #endif
 #endif
 
+#ifndef HAVE_STRNCPY_S
+#define strncpy_s(dest, destsz, src, count) (strncpy((dest), (src), (count)), 0)
+#endif
+
+#ifndef HAVE_STRERROR_S
+#define strerrorlen_s(errnum) (strlen(strerror(errnum)))
+#define strerror_s(buf, bufsz, errnum) ((void)strncpy_s((buf), (bufsz), strerror(errnum), (bufsz)), (buf)[(bufsz)-1] = '\0', strerrorlen_s(errnum) >= (bufsz))
+#else
+#ifndef HAVE_STRERRORLEN_S
+#define strerrorlen_s(errnum)   8192
+#endif
+#endif
+
 #if SIZEOF_OFF_T == 8
 #define ZIP_OFF_MAX ZIP_INT64_MAX
 #define ZIP_OFF_MIN ZIP_INT64_MIN