mdocml: If a manpath directory (for example, a _whatdb entry from

[schwarze@mdocml.bsd.lv]

Log Message:
-----------
If a manpath directory (for example, a _whatdb entry from man.conf(5)
or an entry in the MANPATH environment variable) does not exist,
silently skip it.  This brings makewhatis(8) back closer to the
behaviour of espie@'s version and ought to shut up the weekly(8)
whining observed by henning@ on machines not having xbase installed.
Also, don't error out after the first unusable manpath entry, still 
try the others.

Of course, still complain about non-existent directories specified
on the command line and about any directories failing for other 
reasons than ENOENT.

Modified Files:
--------------
    mdocml:
        mandocdb.c

Revision Data
-------------
Index: mandocdb.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mandocdb.c,v
retrieving revision 1.164
retrieving revision 1.165
diff -Lmandocdb.c -Lmandocdb.c -u -p -r1.164 -r1.165
--- mandocdb.c
+++ mandocdb.c
@@ -169,7 +169,7 @@ static	void	 putmdockey(const struct mpa
 			const struct mdoc_node *, uint64_t);
 static	void	 render_key(struct mchars *, struct str *);
 static	void	 say(const char *, const char *, ...);
-static	int	 set_basedir(const char *);
+static	int	 set_basedir(const char *, int);
 static	int	 treescan(void);
 static	size_t	 utf8(unsigned int, char [7]);
 
@@ -436,7 +436,7 @@ main(int argc, char *argv[])
 		 * Most of these deal with a specific directory.
 		 * Jump into that directory first.
 		 */
-		if (OP_TEST != op && 0 == set_basedir(path_arg))
+		if (OP_TEST != op && 0 == set_basedir(path_arg, 1))
 			goto out;
 
 		if (dbopen(1)) {
@@ -502,12 +502,12 @@ main(int argc, char *argv[])
 				ohash_init(&mlinks, 6, &mlinks_info);
 			}
 
-			if (0 == set_basedir(dirs.paths[j]))
-				goto out;
+			if (0 == set_basedir(dirs.paths[j], argc > 0))
+				continue;
 			if (0 == treescan())
-				goto out;
+				continue;
 			if (0 == dbopen(0))
-				goto out;
+				continue;
 
 			mpages_merge(mc, mp);
 			if (warnings && !nodb &&
@@ -2343,7 +2343,7 @@ hash_free(void *p, void *arg)
 }
 
 static int
-set_basedir(const char *targetdir)
+set_basedir(const char *targetdir, int report_baddir)
 {
 	static char	 startdir[PATH_MAX];
 	static int	 getcwd_status;  /* 1 = ok, 2 = failure */
@@ -2396,12 +2396,16 @@ set_basedir(const char *targetdir)
 	 * we can reliably check whether files are inside.
 	 */
 	if (NULL == realpath(targetdir, basedir)) {
-		exitcode = (int)MANDOCLEVEL_BADARG;
-		say("", "&%s: realpath", targetdir);
+		if (report_baddir || errno != ENOENT) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "&%s: realpath", targetdir);
+		}
 		return(0);
 	} else if (-1 == chdir(basedir)) {
-		exitcode = (int)MANDOCLEVEL_BADARG;
-		say("", "&chdir");
+		if (report_baddir || errno != ENOENT) {
+			exitcode = (int)MANDOCLEVEL_BADARG;
+			say("", "&chdir");
+		}
 		return(0);
 	}
 	chdir_status = 1;
--
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