SWORD25: Fix cppcheck warnings in BS_Log::LogPrefix

The LogPrefix method isn't currently used, but I'm fixing it just in case it's ever used again

svn-id: r53602

1 files changed, 4 insertions, 3 deletions

diff --git a/engines/sword25/kernel/log.cpp b/engines/sword25/kernel/log.cpp
index dd8b073422..95691e6b48 100644
--- a/engines/sword25/kernel/log.cpp
+++ b/engines/sword25/kernel/log.cpp
@@ -100,19 +100,20 @@ void BS_Log::LogPrefix(const char *Prefix, const char *Format, ...) {
 	// If the issue has ceased at the beginning of a new line, the new issue to begin with the prefix
 	ExtFormat[0] = 0;
 	if (_LineBegin) {
-		snprintf(ExtFormat, sizeof(ExtFormat), "%s%s: ", ExtFormat, Prefix);
+		snprintf(ExtFormat, sizeof(ExtFormat), "%s: ", Prefix);
 		_LineBegin = false;
 	}
 	// Format String pass line by line and each line with the initial prefix
 	for (;;) {
 		const char *NextLine = strstr(Format, "\n");
 		if (!NextLine || *(NextLine + strlen("\n")) == 0) {
-			snprintf(ExtFormat, sizeof(ExtFormat), "%s%s", ExtFormat, Format);
+			Common::strlcat(ExtFormat, Format, sizeof(ExtFormat));
 			if (NextLine) _LineBegin = true;
 			break;
 		} else {
 			strncat(ExtFormat, Format, (NextLine - Format) + strlen("\n"));
-			snprintf(ExtFormat, sizeof(ExtFormat), "%s%s: ", ExtFormat, Prefix);
+			Common::strlcat(ExtFormat, Prefix, sizeof(ExtFormat));
+			Common::strlcat(ExtFormat, ": ", sizeof(ExtFormat));
 		}
 
 		Format = NextLine + strlen("\n");