From e97faa7f06e7821c32fb675cecb474e07ce55df6 Mon Sep 17 00:00:00 2001
From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 12 Jun 2011 19:59:21 +0000
Subject: [PATCH] remove duplicate names from file search results

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11193 d7cf8633-e32d-0410-b094-e92efae38249
---
 common.h    |  2 +-
 console.c   |  2 +-
 filematch.c | 35 ++++++++++++++++++++++++-----------
 fs.c        |  8 ++++----
 menu.c      |  2 +-
 5 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/common.h b/common.h
index e207c1aa..bd715ed6 100644
--- a/common.h
+++ b/common.h
@@ -329,7 +329,7 @@ int matchpattern_with_separator(const char *in, const char *pattern, int caseins
 void stringlistinit(stringlist_t *list);
 void stringlistfreecontents(stringlist_t *list);
 void stringlistappend(stringlist_t *list, const char *text);
-void stringlistsort(stringlist_t *list);
+void stringlistsort(stringlist_t *list, qboolean uniq);
 void listdirectory(stringlist_t *list, const char *basepath, const char *path);
 
 char *SearchInfostring(const char *infostring, const char *key);
diff --git a/console.c b/console.c
index ae73809b..bb9c277d 100644
--- a/console.c
+++ b/console.c
@@ -2822,7 +2822,7 @@ void Con_CompleteCommandLine (void)
 					}
 					else
 					{
-						stringlistsort(&resultbuf); // dirbuf is already sorted
+						stringlistsort(&resultbuf, true); // dirbuf is already sorted
 						Con_Printf("\n%i possible filenames\n", resultbuf.numstrings + dirbuf.numstrings);
 						for(i = 0; i < dirbuf.numstrings; ++i)
 						{
diff --git a/filematch.c b/filematch.c
index 4bacbc15..42f9f9db 100644
--- a/filematch.c
+++ b/filematch.c
@@ -117,22 +117,35 @@ void stringlistappend(stringlist_t *list, const char *text)
 	list->numstrings++;
 }
 
-void stringlistsort(stringlist_t *list)
+static int stringlistsort_cmp(const void *a, const void *b)
+{
+	return strcasecmp(*(const char **)a, *(const char **)b);
+}
+
+void stringlistsort(stringlist_t *list, qboolean uniq)
 {
 	int i, j;
-	char *temp;
-	// this is a selection sort (finds the best entry for each slot)
-	for (i = 0;i < list->numstrings - 1;i++)
+	qsort(&list->strings[0], list->numstrings, sizeof(list->strings[0]), stringlistsort_cmp);
+	if(uniq)
 	{
-		for (j = i + 1;j < list->numstrings;j++)
+		// i: the item to read
+		// j: the item last written
+		for (i = 1, j = 0; i < list->numstrings; ++i)
 		{
-			if (strcasecmp(list->strings[i], list->strings[j]) > 0)
-			{
-				temp = list->strings[i];
-				list->strings[i] = list->strings[j];
-				list->strings[j] = temp;
-			}
+			char *save;
+			if(!strcasecmp(list->strings[i], list->strings[j]))
+				continue;
+			++j;
+			save = list->strings[j];
+			list->strings[j] = list->strings[i];
+			list->strings[i] = save;
+		}
+		for(i = j+1; i < list->numstrings; ++i)
+		{
+			if (list->strings[i])
+				Z_Free(list->strings[i]);
 		}
+		list->numstrings = j+1;
 	}
 }
 
diff --git a/fs.c b/fs.c
index ec93c091..d810ff54 100644
--- a/fs.c
+++ b/fs.c
@@ -1206,7 +1206,7 @@ void FS_AddGameDirectory (const char *dir)
 
 	stringlistinit(&list);
 	listdirectory(&list, "", dir);
-	stringlistsort(&list);
+	stringlistsort(&list, false);
 
 	// add any PAK package in the directory
 	for (i = 0;i < list.numstrings;i++)
@@ -1647,7 +1647,7 @@ static void FS_ListGameDirs(void)
 	stringlistinit(&list);
 	listdirectory(&list, va("%s/", fs_basedir), "");
 	listdirectory(&list, va("%s/", fs_userdir), "");
-	stringlistsort(&list);
+	stringlistsort(&list, false);
 
 	stringlistinit(&list2);
 	for(i = 0; i < list.numstrings; ++i)
@@ -3512,7 +3512,7 @@ fssearch_t *FS_Search(const char *pattern, int caseinsensitive, int quiet)
 
 	if (resultlist.numstrings)
 	{
-		stringlistsort(&resultlist);
+		stringlistsort(&resultlist, true);
 		numfiles = resultlist.numstrings;
 		numchars = 0;
 		for (resultlistindex = 0;resultlistindex < resultlist.numstrings;resultlistindex++)
@@ -3616,7 +3616,7 @@ int FS_ListDirectory(const char *pattern, int oneperline)
 static void FS_ListDirectoryCmd (const char* cmdname, int oneperline)
 {
 	const char *pattern;
-	if (Cmd_Argc() > 3)
+	if (Cmd_Argc() >= 3)
 	{
 		Con_Printf("usage:\n%s [path/pattern]\n", cmdname);
 		return;
diff --git a/menu.c b/menu.c
index 5df5370f..c09abda4 100644
--- a/menu.c
+++ b/menu.c
@@ -4515,7 +4515,7 @@ void ModList_RebuildList(void)
 
 	stringlistinit(&list);
 	listdirectory(&list, fs_basedir, "");
-	stringlistsort(&list);
+	stringlistsort(&list, true);
 	modlist_count = 0;
 	modlist_numenabled = fs_numgamedirs;
 	for (i = 0;i < list.numstrings;i++)
-- 
2.39.2