The strrev() function is non-standard. Replace with public domain version by

Bob Stout. (It would of course have been trivial to write my own, but Bob's
version does it in place, which is quite magical.)

svn-id: r28230

1 files changed, 22 insertions, 6 deletions

diff --git a/engines/drascula/drascula.cpp b/engines/drascula/drascula.cpp
index ff3b49f46d..f83e52f893 100644
--- a/engines/drascula/drascula.cpp
+++ b/engines/drascula/drascula.cpp
@@ -2048,8 +2048,8 @@ void DrasculaEngine::color_abc(int cl) {
 		palJuego[254][3] = 0;
 	} else if (cl == 7) {
 		palJuego[254][0] = 0x38;
-        palJuego[254][1] = 0;
-        palJuego[254][2] = 0;
+		palJuego[254][1] = 0;
+		palJuego[254][2] = 0;
 		palJuego[254][3] = 0;
 	} else if (cl == 8) {
 		palJuego[254][0] = 0x3F;
@@ -2080,6 +2080,22 @@ char DrasculaEngine::LimitaVGA(char valor) {
 	return (valor & 0x3F) * (valor > 0);
 }
 
+// Public domain strrev() function by Bob Stout.
+// Should perhaps be moved to common/util.cpp or similar.
+
+static char *scumm_strrev(char *str) {
+	char *p1, *p2;
+
+	if (!str || !*str)
+		return str;
+	for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2) {
+		*p1 ^= *p2;
+		*p2 ^= *p1;
+		*p1 ^= *p2;
+	}
+	return str;
+}
+
 void DrasculaEngine::centra_texto(char mensaje[], int x_texto, int y_texto) {
 	char bb[190], m2[190], m1[190] ,mb[10][40];
 	char m3[190];
@@ -2111,12 +2127,12 @@ void DrasculaEngine::centra_texto(char mensaje[], int x_texto, int y_texto) {
 
 tut:
 	strcpy(bb, m1);
-	strrev(bb);
+	scumm_strrev(bb);
 
 	if (x_texto1 < x_texto2) {
 		strcpy(m3, strrchr(m1, ' '));
 		strcpy(m1, strstr(bb, " "));
-		strrev(m1);
+		scumm_strrev(m1);
 		m1[strlen(m1) - 1] = '\0';
 		strcat(m3, m2);
 		strcpy(m2, m3);
@@ -2129,9 +2145,9 @@ tut:
 
 	if (!strcmp(m2, ""))
 		goto imprimir;
-	strrev(m2);
+	scumm_strrev(m2);
 	m2[strlen(m2) - 1] = '\0';
-	strrev(m2);
+	scumm_strrev(m2);
 	strcpy(m1, m2);
 	strcpy(m2, "");
 	conta_f++;