From 9c4eb59b490c1005ad98332e2b1dccc155e20472 Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Mon, 3 Sep 2018 09:30:23 +0200
Subject: [PATCH] Variable list of arguments for PH7_VmGenericError();

---
 engine/vm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/engine/vm.c b/engine/vm.c
index 33c1722..8bc0932 100644
--- a/engine/vm.c
+++ b/engine/vm.c
@@ -1904,7 +1904,8 @@ PH7_PRIVATE sxi32 PH7_VmMemoryError(
 PH7_PRIVATE sxi32 PH7_VmGenericError(
 	ph7_vm *pVm,          /* Target VM */
 	sxi32 iErr,           /* Severity level: [i.e: Error, Warning, Notice or Deprecated] */
-	const char *zMessage  /* Null terminated error message */
+	const char *zMessage, /* Null terminated error message */
+	...                   /* Variable list of arguments */
 ) {
 	const char *zErr;
 	sxi32 rc = SXRET_OK;
@@ -1924,6 +1925,7 @@ PH7_PRIVATE sxi32 PH7_VmGenericError(
 			break;
 	}
 	if(pVm->bErrReport) {
+		va_list ap;
 		SyBlob sWorker;
 		SySet pDebug;
 		VmDebugTrace *pTrace;
@@ -1949,7 +1951,9 @@ PH7_PRIVATE sxi32 PH7_VmGenericError(
 		/* Initialize the working buffer */
 		SyBlobInit(&sWorker, &pVm->sAllocator);
 		SyBlobAppend(&sWorker, zErr, SyStrlen(zErr));
-		SyBlobAppend(&sWorker, zMessage, SyStrlen(zMessage));
+		va_start(ap, zMessage);
+		SyBlobFormatAp(&sWorker, zMessage, ap);
+		va_end(ap);
 		/* Append file name and line number */
 		SyBlobFormat(&sWorker, " in %z:%u", pFile, nLine);
 		if(SySetUsed(&pDebug) > 0) {