Disable MSVC warning caused by recent snprintf.c changes

Discussion: https://postgr.es/m/05f348de-0c79-d88d-69b7-434ef828bd4d@2ndQuadrant.com

diff --git a/src/port/snprintf.c b/src/port/snprintf.c
index d1c201fd9d66efd2386fbef6236dc1ff0f1583b6..c79cb884972087890dfd7bf23126c0f40458a586 100644 (file)
--- a/src/port/snprintf.c
+++ b/src/port/snprintf.c
@@ -1046,11 +1046,19 @@ fmtint(long long value, char type, int forcesign, int leftjust,
            return;             /* keep compiler quiet */
    }
 
+   /* disable MSVC warning about applying unary minus to an unsigned value */
+#if _MSC_VER
+#pragma warning(push)
+#pragma warning(disable: 4146)
+#endif
    /* Handle +/- */
    if (dosign && adjust_sign((value < 0), forcesign, &signvalue))
        uvalue = -(unsigned long long) value;
    else
        uvalue = (unsigned long long) value;
+#if _MSC_VER
+#pragma warning(pop)
+#endif
 
    /*
     * SUS: the result of converting 0 with an explicit precision of 0 is no