From 8ccd183814fd4608c0591866b43d87ce47a67966 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 3 Aug 2023 00:22:24 +0000
Subject: [PATCH] remove useless code

UCRT has obsoleted all of this

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 app/actions.cpp    | 13 -------------
 app/exiv2.cpp      |  4 ----
 samples/geotag.cpp |  7 +------
 src/basicio.cpp    | 11 -----------
 4 files changed, 1 insertion(+), 34 deletions(-)

diff --git a/app/actions.cpp b/app/actions.cpp
index 7678a5dfa9..c703a9d5a2 100644
--- a/app/actions.cpp
+++ b/app/actions.cpp
@@ -31,20 +31,12 @@
 #endif
 
 #if defined(_WIN32)
-#include <fcntl.h>
-#include <io.h>
 #include <sys/utime.h>
 #include <windows.h>
 #else
 #include <utime.h>
 #endif
 
-#ifndef _WIN32
-#define _setmode(a, b) \
-  do {                 \
-  } while (false)
-#endif
-
 #if __has_include(<filesystem>)
 #include <filesystem>
 namespace fs = std::filesystem;
@@ -194,7 +186,6 @@ static int setModeAndPrintStructure(Exiv2::PrintStructureOption option, const st
       }
     }
   } else {
-    _setmode(fileno(stdout), O_BINARY);
     result = printStructure(std::cout, option, path);
   }
 
@@ -785,9 +776,6 @@ int Extract::run(const std::string& path) {
     int rc = 0;
 
     bool bStdout = (Params::instance().target_ & Params::ctStdInOut) != 0;
-    if (bStdout) {
-      _setmode(fileno(stdout), _O_BINARY);
-    }
 
     if (Params::instance().target_ & Params::ctThumb) {
       rc = writeThumbnail();
@@ -1794,7 +1782,6 @@ int metacopy(const std::string& source, const std::string& tgt, Exiv2::ImageType
 
   // if we used a temporary target, copy it to stdout
   if (rc == 0 && bStdout) {
-    _setmode(fileno(stdout), O_BINARY);
     if (auto f = std::fopen(target.c_str(), "rb")) {
       char buffer[8 * 1024];
       size_t n = 1;
diff --git a/app/exiv2.cpp b/app/exiv2.cpp
index a35ead58c9..7d6b952b2e 100644
--- a/app/exiv2.cpp
+++ b/app/exiv2.cpp
@@ -23,8 +23,6 @@
 #include <regex>
 
 #if defined(_WIN32)
-#include <fcntl.h>
-#include <io.h>
 #include <windows.h>
 #else
 #include <sys/select.h>
@@ -959,8 +957,6 @@ void Params::getStdin(Exiv2::DataBuf& buf) {
   if (stdinBuf.empty()) {
 #if defined(_WIN32)
     DWORD fdwMode;
-    _setmode(fileno(stdin), O_BINARY);
-    Sleep(300);
     if (!GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &fdwMode)) {  // failed: stdin has bytes!
 #else
     // http://stackoverflow.com/questions/34479795/make-c-not-wait-for-user-input/34479916#34479916
diff --git a/samples/geotag.cpp b/samples/geotag.cpp
index 7ad726fea4..8394d018cd 100644
--- a/samples/geotag.cpp
+++ b/samples/geotag.cpp
@@ -20,7 +20,6 @@ namespace fs = std::experimental::filesystem;
 
 #ifdef _WIN32
 #include <windows.h>
-char* realpath(const char* file, char* path);
 #define lstat stat
 #if _MSC_VER < 1400
 #define strcpy_s(d, l, s) strcpy(d, s)
@@ -383,11 +382,7 @@ int timeZoneAdjust() {
   [[maybe_unused]] time_t now = time(nullptr);
   int offset;
 
-#if defined(_WIN32)
-  TIME_ZONE_INFORMATION TimeZoneInfo;
-  GetTimeZoneInformation(&TimeZoneInfo);
-  offset = -(((int)TimeZoneInfo.Bias + (int)TimeZoneInfo.DaylightBias) * 60);
-#elif defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(_WIN32)
   struct tm lcopy = *localtime(&now);
   time_t gmt = timegm(&lcopy);  // timegm modifies lcopy
   offset = (int)(((long signed int)gmt) - ((long signed int)now));
diff --git a/src/basicio.cpp b/src/basicio.cpp
index 1ff7949e28..bedcd60128 100644
--- a/src/basicio.cpp
+++ b/src/basicio.cpp
@@ -883,12 +883,6 @@ void XPathIo::ReadStdin() {
   if (isatty(fileno(stdin)))
     throw Error(ErrorCode::kerInputDataReadFailed);
 
-#ifdef _O_BINARY
-  // convert stdin to binary
-  if (_setmode(_fileno(stdin), _O_BINARY) == -1)
-    throw Error(ErrorCode::kerInputDataReadFailed);
-#endif
-
   char readBuf[100 * 1024];
   std::streamsize readBufSize = 0;
   do {
@@ -953,11 +947,6 @@ std::string XPathIo::writeDataToFile(const std::string& orgPath) {
   if (prot == pStdin) {
     if (isatty(fileno(stdin)))
       throw Error(ErrorCode::kerInputDataReadFailed);
-#ifdef _WIN32
-    // convert stdin to binary
-    if (_setmode(_fileno(stdin), _O_BINARY) == -1)
-      throw Error(ErrorCode::kerInputDataReadFailed);
-#endif
     std::ofstream fs(path.c_str(), std::ios::out | std::ios::binary | std::ios::trunc);
     // read stdin and write to the temp file.
     char readBuf[100 * 1024];