From a029e60cfccaf3a2efbb4f33dd789030e15973b0 Mon Sep 17 00:00:00 2001
From: nattthebear <goyuken@gmail.com>
Date: Sat, 26 Mar 2016 17:14:44 -0400
Subject: [PATCH] Per spec, if mouthbreather calls longjmp(buf, 0), return 1
 instead

---
 waterbox/gpgx/gpgx.cbp                  | 9 +++++++++
 waterbox/libc/functions/setjmp/setjmp.s | 5 ++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/waterbox/gpgx/gpgx.cbp b/waterbox/gpgx/gpgx.cbp
index 91c0494413..e780362c2e 100644
--- a/waterbox/gpgx/gpgx.cbp
+++ b/waterbox/gpgx/gpgx.cbp
@@ -248,6 +248,15 @@
 			<envvars />
 			<debugger />
 			<lib_finder disable_auto="1" />
+			<DoxyBlocks>
+				<comment_style block="0" line="0" />
+				<doxyfile_project />
+				<doxyfile_build />
+				<doxyfile_warnings />
+				<doxyfile_output />
+				<doxyfile_dot />
+				<general />
+			</DoxyBlocks>
 		</Extensions>
 	</Project>
 </CodeBlocks_project_file>
diff --git a/waterbox/libc/functions/setjmp/setjmp.s b/waterbox/libc/functions/setjmp/setjmp.s
index 04cd48d187..1c53411ed3 100644
--- a/waterbox/libc/functions/setjmp/setjmp.s
+++ b/waterbox/libc/functions/setjmp/setjmp.s
@@ -34,7 +34,10 @@ setjmp:
 
 longjmp:
   movq    %rsi, %rax        /* Return value */
-
+  test    %rax, %rax
+  jnz L0
+  inc     %rax              /* if 0 was passed, send back 1 instead */
+L0:
   movq     8 (%rdi), %rbp
 
   cli