From 3477d11d9843cc5eef8498f958bcd2418d41526f Mon Sep 17 00:00:00 2001
From: deuce <>
Date: Sun, 8 Jul 2007 10:17:37 +0000
Subject: [PATCH] Cannot legally use the same va_list twice and expect it to
still work. Make a copy before the second use.
The old code failed on Linux x86_64
---
src/conio/ciolib.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/conio/ciolib.c b/src/conio/ciolib.c
index 0bce2a6d3b..91b1a6e9b2 100644
--- a/src/conio/ciolib.c
+++ b/src/conio/ciolib.c
@@ -789,6 +789,7 @@ CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
char str[16384];
#else
char *str;
+ va_list argptr2;
#endif
CIOLIB_INIT();
@@ -797,13 +798,14 @@ CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
#ifdef _MSC_VER
ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
#else
+ va_copy(argptr2, argptr);
ret=vsnprintf(NULL,0,fmat,argptr);
if(ret<0)
return(EOF);
str=(char *)alloca(ret+1);
if(str==NULL)
return(EOF);
- ret=vsprintf(str,fmat,argptr);
+ ret=vsprintf(str,fmat,argptr2);
#endif
va_end(argptr);
if(ret>=0)
--
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