Add -follow so find can follow symbolic linked directories.

SCCS-vsn: usr.bin/find/find.c 4.19

diff --git a/usr/src/usr.bin/find/find.c b/usr/src/usr.bin/find/find.c
index d8e7142..ef987ae 100644 (file)
--- a/usr/src/usr.bin/find/find.c
+++ b/usr/src/usr.bin/find/find.c
@@ -1,5 +1,5 @@
 #ifndef        lint
 #ifndef        lint

-static char *sccsid = "@(#)find.c      4.18 (Berkeley) %G%";
+static char *sccsid = "@(#)find.c      4.19 (Berkeley) %G%";

 #endif
 
 #include <stdio.h>
 #endif
 
 #include <stdio.h>


@@ -35,6 +35,7 @@ int   Wct = 2560;
 long   Newer;
 
 int    Xdev = 1;       /* true if SHOULD cross devices (file systems) */
 long   Newer;
 
 int    Xdev = 1;       /* true if SHOULD cross devices (file systems) */

+int    follow;         /* true if SHOULD descend symlinked directories */

 struct stat Devstat;   /* stats of each argument path's file system */
 
 struct stat Statb;
 struct stat Devstat;   /* stats of each argument path's file system */
 
 struct stat Statb;


@@ -197,7 +198,7 @@ struct anode *e2() { /* parse NOT (!) */
 struct anode *e3() { /* parse parens and predicates */
        int exeq(), ok(), glob(),  mtime(), atime(), user(),
                group(), size(), perm(), links(), print(),
 struct anode *e3() { /* parse parens and predicates */
        int exeq(), ok(), glob(),  mtime(), atime(), user(),
                group(), size(), perm(), links(), print(),

-               type(), ino(), cpio(), newer(),
+               type(), ino(), cpio(), newer(), 

                nouser(), nogroup(), ls(), dummy();
        struct anode *p1;
        int i;
                nouser(), nogroup(), ls(), dummy();
        struct anode *p1;
        int i;


@@ -228,6 +229,10 @@ struct anode *e3() { /* parse parens and predicates */
                Xdev = 0;
                return (mk(dummy, (struct anode *)0, (struct anode *)0));
        }
                Xdev = 0;
                return (mk(dummy, (struct anode *)0, (struct anode *)0));
        }

+       else if (EQ(a, "-follow")) {
+               follow=1;
+               return mk(dummy, (struct anode *)0, (struct anode *)0);
+       }

        b = nxtarg();
        s = *b;
        if(s=='+') b++;
        b = nxtarg();
        s = *b;
        if(s=='+') b++;


@@ -634,7 +639,7 @@ descend(name, fname, exlist)
        int rv = 0;
        char *endofname;
 
        int rv = 0;
        char *endofname;
 

-       if (lstat(fname, &Statb)<0) {
+       if ((follow?stat(fname, &Statb):lstat(fname, &Statb))<0) {

                fprintf(stderr, "find: bad status < %s >\n", name);
                return(0);
        }
                fprintf(stderr, "find: bad status < %s >\n", name);
                return(0);
        }