X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_setup.c;h=8cfaf12c5348f9cdbb7dcdcd75792145ebf5ea27;hp=20c14e0fcf7febbc7add1935183548444b031af7;hb=1c2ec25b8186b7973aeb06ec4da6b63656e12f7d;hpb=3ce60e9f58cc00309981ed711d0b0d3362105881

diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c
index 20c14e0f..8cfaf12c 100644
--- a/ncurses/tinfo/lib_setup.c
+++ b/ncurses/tinfo/lib_setup.c
@@ -53,7 +53,7 @@
 
 #include <term.h>		/* lines, columns, cur_term */
 
-MODULE_ID("$Id: lib_setup.c,v 1.109 2008/06/28 15:31:42 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.111 2008/08/03 22:42:33 tom Exp $")
 
 /****************************************************************************
  *
@@ -389,19 +389,21 @@ grab_entry(const char *const tn, TERMTYPE *const tp)
 static void
 do_prototype(TERMINAL * termp)
 {
-    int i;
+    unsigned i;
     char CC;
     char proto;
     char *tmp;
 
-    tmp = getenv("CC");
-    CC = *tmp;
-    proto = *command_character;
+    if ((tmp = getenv("CC")) != 0) {
+	if ((CC = *tmp) != 0) {
+	    proto = *command_character;
 
-    for_each_string(i, &(termp->type)) {
-	for (tmp = termp->type.Strings[i]; *tmp; tmp++) {
-	    if (*tmp == proto)
-		*tmp = CC;
+	    for_each_string(i, &(termp->type)) {
+		for (tmp = termp->type.Strings[i]; *tmp; tmp++) {
+		    if (*tmp == proto)
+			*tmp = CC;
+		}
+	    }
 	}
     }
 }