diff -u -r1.25 btsco.c
--- btsco.c	9 May 2005 04:57:29 -0000	1.25
+++ btsco.c	9 May 2005 22:11:43 -0000
@@ -713,10 +713,7 @@
 							int substl = 0;
 							
 							subst = NULL;
-							
-							// add the current sco mode to the command string
-							sysbuf = malloc(strlen(args)+1);
-							sprintf(sysbuf,args,sco_mode);
+							sysbuf = strdup(args);
 							
 							for(i = 0; sysbuf[i]; i++) {
 								if((sysbuf[i] == '\\') && (sysbuf[i + 1] >= '0') && (sysbuf[i + 1] <= '9')) {
@@ -730,6 +727,10 @@
 									subst = malloc(11); /* For potentially 32-bit PIDs */
 									substl = snprintf(subst, 11, "%i", getpid());
 								}
+								if((sysbuf[i] == '\\') && (sysbuf[i + 1] == 's')) {
+									subst = malloc(11); /* same as above, for SCO mode */
+									substl = snprintf(subst, 11, "%d", sco_mode);
+								}
 								if(subst != NULL) {
 									sysbuf = realloc(sysbuf, strlen(sysbuf) + substl - 1);
 									memmove(sysbuf + i + substl, sysbuf + i + 2, strlen(sysbuf) - i - 1);