Mesa (master): ralloc: Use _vscprintf on MinGW.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Tue Nov 1 08:48:25 UTC 2011
Module: Mesa
Branch: master
Commit: 7f08248c2e2d7e862e88db2d0008efca3c276512
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7f08248c2e2d7e862e88db2d0008efca3c276512
Author: José Fonseca <jose.r.fonseca at gmail.com>
Date: Tue Nov 1 06:58:29 2011 +0000
ralloc: Use _vscprintf on MinGW.
MinGW uses MSVC's runtime DLLs for most of C runtime's functions, and
there has same semantics for vsnprintf.
Not sure how this worked until now -- maybe one of the internal
vsnprintf implementations was taking precedence.
---
src/glsl/ralloc.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/src/glsl/ralloc.c b/src/glsl/ralloc.c
index f5f3934..91e4bab 100644
--- a/src/glsl/ralloc.c
+++ b/src/glsl/ralloc.c
@@ -33,6 +33,12 @@
#include <limits.h>
#endif
+/* Some versions of MinGW are missing _vscprintf's declaration, although they
+ * still provide the symbol in the import library. */
+#ifdef __MINGW32__
+_CRTIMP int _vscprintf(const char *format, va_list argptr);
+#endif
+
#include "ralloc.h"
#ifdef __GNUC__
@@ -397,7 +403,7 @@ printf_length(const char *fmt, va_list untouched_args)
va_list args;
va_copy(args, untouched_args);
-#ifdef _MSC_VER
+#ifdef _WIN32
/* We need to use _vcsprintf to calculate the size as vsnprintf returns -1
* if the number of characters to write is greater than count.
*/
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