From 1e5a93a4166858bba708b12cd62961c6bf3512a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pedro=20J=2E=20Est=C3=A9banez?= <pedrojrulez@gmail.com>
Date: Tue, 21 Apr 2020 21:12:05 +0200
Subject: [PATCH] Fix compilation of jpgd.cpp on MSVC 2017

---
 thirdparty/README.md                          |  2 ++
 thirdparty/jpeg-compressor/jpgd.cpp           |  6 ++--
 .../patches/fix-msvc2017-build.patch          | 31 +++++++++++++++++++
 3 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 thirdparty/jpeg-compressor/patches/fix-msvc2017-build.patch

diff --git a/thirdparty/README.md b/thirdparty/README.md
index d476292f078..3c6885fd1a0 100644
--- a/thirdparty/README.md
+++ b/thirdparty/README.md
@@ -189,6 +189,8 @@ Files extracted from upstream source:
 
 - `jpgd*.{c,h}`
 
+Patches in the `patches` directory should be re-applied after updates.
+
 
 ## libogg
 
diff --git a/thirdparty/jpeg-compressor/jpgd.cpp b/thirdparty/jpeg-compressor/jpgd.cpp
index a0c494db610..257d0b75747 100644
--- a/thirdparty/jpeg-compressor/jpgd.cpp
+++ b/thirdparty/jpeg-compressor/jpgd.cpp
@@ -2126,7 +2126,7 @@ namespace jpgd {
 
 	int jpeg_decoder::decode_next_mcu_row()
 	{
-		if (setjmp(m_jmp_state))
+		if (::setjmp(m_jmp_state))
 			return JPGD_FAILED;
 
 		const bool chroma_y_filtering = ((m_flags & cFlagBoxChromaFiltering) == 0) && ((m_scan_type == JPGD_YH2V2) || (m_scan_type == JPGD_YH1V2));
@@ -3042,7 +3042,7 @@ namespace jpgd {
 
 	jpeg_decoder::jpeg_decoder(jpeg_decoder_stream* pStream, uint32_t flags)
 	{
-		if (setjmp(m_jmp_state))
+		if (::setjmp(m_jmp_state))
 			return;
 		decode_init(pStream, flags);
 	}
@@ -3055,7 +3055,7 @@ namespace jpgd {
 		if (m_error_code)
 			return JPGD_FAILED;
 
-		if (setjmp(m_jmp_state))
+		if (::setjmp(m_jmp_state))
 			return JPGD_FAILED;
 
 		decode_start();
diff --git a/thirdparty/jpeg-compressor/patches/fix-msvc2017-build.patch b/thirdparty/jpeg-compressor/patches/fix-msvc2017-build.patch
new file mode 100644
index 00000000000..7b338de0846
--- /dev/null
+++ b/thirdparty/jpeg-compressor/patches/fix-msvc2017-build.patch
@@ -0,0 +1,31 @@
+diff --git a/thirdparty/jpeg-compressor/jpgd.cpp b/thirdparty/jpeg-compressor/jpgd.cpp
+index a0c494db61..257d0b7574 100644
+--- a/thirdparty/jpeg-compressor/jpgd.cpp
++++ b/thirdparty/jpeg-compressor/jpgd.cpp
+@@ -2126,7 +2126,7 @@ namespace jpgd {
+ 
+ 	int jpeg_decoder::decode_next_mcu_row()
+ 	{
+-		if (setjmp(m_jmp_state))
++		if (::setjmp(m_jmp_state))
+ 			return JPGD_FAILED;
+ 
+ 		const bool chroma_y_filtering = ((m_flags & cFlagBoxChromaFiltering) == 0) && ((m_scan_type == JPGD_YH2V2) || (m_scan_type == JPGD_YH1V2));
+@@ -3042,7 +3042,7 @@ namespace jpgd {
+ 
+ 	jpeg_decoder::jpeg_decoder(jpeg_decoder_stream* pStream, uint32_t flags)
+ 	{
+-		if (setjmp(m_jmp_state))
++		if (::setjmp(m_jmp_state))
+ 			return;
+ 		decode_init(pStream, flags);
+ 	}
+@@ -3055,7 +3055,7 @@ namespace jpgd {
+ 		if (m_error_code)
+ 			return JPGD_FAILED;
+ 
+-		if (setjmp(m_jmp_state))
++		if (::setjmp(m_jmp_state))
+ 			return JPGD_FAILED;
+ 
+ 		decode_start();