for debug; if HOME not set and root, write to /trace.

SCCS-vsn: bin/sh/show.c 5.2

diff --git a/usr/src/bin/sh/show.c b/usr/src/bin/sh/show.c
index 79a79a6..cd83791 100644 (file)
--- a/usr/src/bin/sh/show.c
+++ b/usr/src/bin/sh/show.c
@@ -9,7 +9,7 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-static char sccsid[] = "@(#)show.c     5.1 (Berkeley) %G%";
+static char sccsid[] = "@(#)show.c     5.2 (Berkeley) %G%";

 #endif /* not lint */
 
 #include <stdio.h>
 #endif /* not lint */
 
 #include <stdio.h>


@@ -213,6 +213,11 @@ indent(amount, pfx, fp)
 
 FILE *tracefile;
 
 
 FILE *tracefile;
 

+#if DEBUG == 2
+int debug = 1;
+#else
+int debug = 0;
+#endif

 
 
 trputc(c) {
 
 
 trputc(c) {


@@ -319,13 +324,19 @@ opentrace() {
        int flags;
 
 #ifdef DEBUG
        int flags;
 
 #ifdef DEBUG

-       if ((p = getenv("HOME")) == NULL)
-               p = "/tmp";
+       if (!debug)
+               return;
+       if ((p = getenv("HOME")) == NULL) {
+               if (getuid() == 0)
+                       p = "/";
+               else
+                       p = "/tmp";
+       }

        scopy(p, s);
        strcat(s, "/trace");
        if ((tracefile = fopen(s, "a")) == NULL) {
                fprintf(stderr, "Can't open %s\n", s);
        scopy(p, s);
        strcat(s, "/trace");
        if ((tracefile = fopen(s, "a")) == NULL) {
                fprintf(stderr, "Can't open %s\n", s);

-               exit(2);
+               return;

        }
 #ifdef O_APPEND
        if ((flags = fcntl(fileno(tracefile), F_GETFL, 0)) >= 0)
        }
 #ifdef O_APPEND
        if ((flags = fcntl(fileno(tracefile), F_GETFL, 0)) >= 0)