Call FormatMessage() with FORMAT_MESSAGE_IGNORE_INSERTS

Documentation says: In particular, it is unsafe to take an arbitrary system
error code returned from an API and use FORMAT_MESSAGE_FROM_SYSTEM without
FORMAT_MESSAGE_IGNORE_INSERTS.

1 files changed, 1 insertions, 1 deletions

diff --git a/dlfcn.c b/dlfcn.c
index 69670d1..993808d 100644
--- a/dlfcn.c
+++ b/dlfcn.c
@@ -157,7 +157,7 @@ static void save_err_str( const char *str )
     error_buffer[pos++] = ':';

     error_buffer[pos++] = ' ';

 

-    ret = FormatMessageA( FORMAT_MESSAGE_FROM_SYSTEM, NULL, dwMessageId,

+    ret = FormatMessageA( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwMessageId,

         MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ),

         error_buffer+pos, (DWORD) (sizeof(error_buffer)-pos), NULL );

     pos += ret;