===================================================================
RCS file: /cvs/mandoc/Attic/apropos.c,v
retrieving revision 1.16
retrieving revision 1.22
diff -u -p -r1.16 -r1.22
--- mandoc/Attic/apropos.c	2011/11/20 16:29:50	1.16
+++ mandoc/Attic/apropos.c	2011/11/29 10:53:42	1.22
@@ -1,4 +1,4 @@
-/*	$Id: apropos.c,v 1.16 2011/11/20 16:29:50 kristaps Exp $ */
+/*	$Id: apropos.c,v 1.22 2011/11/29 10:53:42 kristaps Exp $ */
 /*
  * Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -21,26 +21,16 @@
 
 #include <assert.h>
 #include <getopt.h>
-#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "apropos_db.h"
 #include "mandoc.h"
+#include "manpath.h"
 
-/*
- * List of paths to be searched for manual databases.
- */
-struct	manpaths {
-	int	  sz;
-	char	**paths;
-};
-
 static	int	 cmp(const void *, const void *);
 static	void	 list(struct res *, size_t, void *);
-static	void	 manpath_add(struct manpaths *, const char *);
-static	void	 manpath_parse(struct manpaths *, char *);
 static	void	 usage(void);
 
 static	char	*progname;
@@ -48,11 +38,12 @@ static	char	*progname;
 int
 main(int argc, char *argv[])
 {
-	int		 i, ch, rc;
+	int		 ch, rc, whatis;
 	struct manpaths	 paths;
 	size_t		 terms;
 	struct opts	 opts;
 	struct expr	*e;
+	char		*defpaths, *auxpaths;
 	extern int	 optind;
 	extern char	*optarg;
 
@@ -62,16 +53,21 @@ main(int argc, char *argv[])
 	else
 		++progname;
 
+	whatis = 0 == strncmp(progname, "whatis", 6);
+
 	memset(&paths, 0, sizeof(struct manpaths));
 	memset(&opts, 0, sizeof(struct opts));
 
+	auxpaths = defpaths = NULL;
 	e = NULL;
-	rc = 0;
 
-	while (-1 != (ch = getopt(argc, argv, "m:S:s:"))) 
+	while (-1 != (ch = getopt(argc, argv, "M:m:S:s:")))
 		switch (ch) {
+		case ('M'):
+			defpaths = optarg;
+			break;
 		case ('m'):
-			manpath_parse(&paths, optarg);
+			auxpaths = optarg;
 			break;
 		case ('S'):
 			opts.arch = optarg;
@@ -81,44 +77,37 @@ main(int argc, char *argv[])
 			break;
 		default:
 			usage();
-			goto out;
+			return(EXIT_FAILURE);
 		}
 
 	argc -= optind;
 	argv += optind;
 
-	if (0 == argc) {
-		rc = 1;
-		goto out;
-	}
+	if (0 == argc) 
+		return(EXIT_SUCCESS);
 
-	/*
-	 * Let MANPATH override our default paths.
-	 */
+	rc = 0;
 
-	if (NULL != getenv("MANPATH"))
-		manpath_add(&paths, getenv("MANPATH"));
-	else
-		manpath_add(&paths, ".");
+	manpath_parse(&paths, defpaths, auxpaths);
 
-	if (NULL == (e = exprcomp(argc, argv, &terms))) {
+	e = whatis ? termcomp(argc, argv, &terms) :
+		     exprcomp(argc, argv, &terms);
+		
+	if (NULL == e) {
 		fprintf(stderr, "%s: Bad expression\n", progname);
 		goto out;
 	}
 
 	rc = apropos_search
-		(paths.sz, paths.paths, 
+		(paths.sz, paths.paths,
 		 &opts, e, terms, NULL, list);
 
-	if (0 == rc) 
+	if (0 == rc)
 		fprintf(stderr, "%s: Error reading "
 				"manual database\n", progname);
 
 out:
-	for (i = 0; i < paths.sz; i++)
-		free(paths.paths[i]);
-
-	free(paths.paths);
+	manpath_free(&paths);
 	exprfree(e);
 
 	return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
@@ -133,8 +122,8 @@ list(struct res *res, size_t sz, void *arg)
 	qsort(res, sz, sizeof(struct res), cmp);
 
 	for (i = 0; i < (int)sz; i++)
-		printf("%s(%s%s%s) - %s\n", res[i].title, 
-				res[i].cat, 
+		printf("%s(%s%s%s) - %s\n", res[i].title,
+				res[i].cat,
 				*res[i].arch ? "/" : "",
 				*res[i].arch ? res[i].arch : "",
 				res[i].desc);
@@ -153,40 +142,10 @@ usage(void)
 {
 
 	fprintf(stderr, "usage: %s "
-			"[-m dirs] "
+			"[-M manpath] "
+			"[-m manpath] "
 			"[-S arch] "
 			"[-s section] "
-			"expression...\n", progname);
-}
-
-/*
- * Parse a FULL pathname from a colon-separated list of arrays.
- */
-static void
-manpath_parse(struct manpaths *dirs, char *path) 
-{
-	char	*dir;
-
-	for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":"))
-		manpath_add(dirs, dir);
-}
-
-/*
- * Add a directory to the array, ignoring bad directories.
- * Grow the array one-by-one for simplicity's sake.
- */
-static void
-manpath_add(struct manpaths *dirs, const char *dir) 
-{
-	char		 buf[PATH_MAX];
-	char		*cp;
-
-	if (NULL == (cp = realpath(dir, buf)))
-		return;
-
-	dirs->paths = mandoc_realloc
-		(dirs->paths, 
-		 ((size_t)dirs->sz + 1) * sizeof(char *));
-
-	dirs->paths[dirs->sz++] = mandoc_strdup(cp);
+			"expression...\n",
+			progname);
 }