Fix a parameter switch typo in the linux code.
[xonotic/darkplaces.git] / filematch.c
index f6d8579..622f774 100644 (file)
@@ -57,126 +57,118 @@ int matchpattern(const char *in, const char *pattern, int caseinsensitive)
        return 1; // success
 }
 
-// a little chained strings system
-stringlist_t *stringlistappend(stringlist_t *current, char *text)
+// a little strings system
+void stringlistinit(stringlist_t *list)
 {
-       stringlist_t *newitem;
-       newitem = (stringlist_t *)Z_Malloc(strlen(text) + 1 + sizeof(stringlist_t));
-       newitem->next = NULL;
-       newitem->text = (char *)(newitem + 1);
-       strcpy(newitem->text, text);
-       if (current)
-               current->next = newitem;
-       return newitem;
+       memset(list, 0, sizeof(*list));
 }
 
-void stringlistfree(stringlist_t *current)
+void stringlistfreecontents(stringlist_t *list)
 {
-       stringlist_t *next;
-       while (current)
+       int i;
+       for (i = 0;i < list->numstrings;i++)
        {
-               next = current->next;
-               Z_Free(current);
-               current = next;
+               if (list->strings[i])
+                       Z_Free(list->strings[i]);
+               list->strings[i] = NULL;
        }
+       list->numstrings = 0;
+       list->maxstrings = 0;
+       if (list->strings)
+               Z_Free(list->strings);
+       list->strings = NULL;
 }
 
-stringlist_t *stringlistsort(stringlist_t *start)
+void stringlistappend(stringlist_t *list, const char *text)
 {
-       int notdone;
-       stringlist_t *current, *previous, *temp2, *temp3, *temp4;
-       // exit early if there's nothing to sort
-       if (start == NULL || start->next == NULL)
-               return start;
-       notdone = 1;
-       while (notdone)
+       size_t textlen;
+       char **oldstrings;
+
+       if (list->numstrings >= list->maxstrings)
        {
-               current = start;
-               notdone = 0;
-               previous = NULL;
-               while (current && current->next)
+               oldstrings = list->strings;
+               list->maxstrings += 4096;
+               list->strings = Z_Malloc(list->maxstrings * sizeof(*list->strings));
+               if (list->numstrings)
+                       memcpy(list->strings, oldstrings, list->numstrings * sizeof(*list->strings));
+               if (oldstrings)
+                       Z_Free(oldstrings);
+       }
+       textlen = strlen(text) + 1;
+       list->strings[list->numstrings] = Z_Malloc(textlen);
+       memcpy(list->strings[list->numstrings], text, textlen);
+       list->numstrings++;
+}
+
+void stringlistsort(stringlist_t *list)
+{
+       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++)
+       {
+               for (j = i + 1;j < list->numstrings;j++)
                {
-                       if (strcmp(current->text, current->next->text) > 0)
+                       if (strcasecmp(list->strings[i], list->strings[j]) > 0)
                        {
-                               // current is greater than next
-                               notdone = 1;
-                               temp2 = current->next;
-                               temp3 = current;
-                               temp4 = current->next->next;
-                               if (previous)
-                                       previous->next = temp2;
-                               else
-                                       start = temp2;
-                               temp2->next = temp3;
-                               temp3->next = temp4;
-                               break;
+                               temp = list->strings[i];
+                               list->strings[i] = list->strings[j];
+                               list->strings[j] = temp;
                        }
-                       previous = current;
-                       current = current->next;
                }
        }
-       return start;
 }
 
 // operating system specific code
+static void adddirentry(stringlist_t *list, const char *path, const char *name)
+{
+       if (strcmp(name, ".") && strcmp(name, ".."))
+       {
+               char temp[MAX_OSPATH];
+               dpsnprintf( temp, sizeof( temp ), "%s%s", path, name );
+               stringlistappend(list, temp);
+       }
+}
 #ifdef WIN32
 #include <io.h>
-stringlist_t *listdirectory(const char *path)
+void listdirectory(stringlist_t *list, const char *basepath, const char *path)
 {
+       int i;
        char pattern[4096], *c;
        struct _finddata_t n_file;
        long hFile;
-       stringlist_t *start, *current;
-       strlcpy (pattern, path, sizeof (pattern));
+       strlcpy (pattern, basepath, sizeof(pattern));
+       strlcat (pattern, path, sizeof (pattern));
        strlcat (pattern, "*", sizeof (pattern));
        // ask for the directory listing handle
        hFile = _findfirst(pattern, &n_file);
        if(hFile == -1)
-               return NULL;
-       // start a new chain with the the first name
-       start = current = stringlistappend(NULL, n_file.name);
-       // iterate through the directory
-       while (_findnext(hFile, &n_file) == 0)
-               current = stringlistappend(current, n_file.name);
+               return;
+       do {
+               adddirentry(list, path, n_file.name );
+       } while (_findnext(hFile, &n_file) == 0);
        _findclose(hFile);
 
        // convert names to lowercase because windows does not care, but pattern matching code often does
-       for (current = start;current;current = current->next)
-               for (c = current->text;*c;c++)
+       for (i = 0;i < list->numstrings;i++)
+               for (c = list->strings[i];*c;c++)
                        if (*c >= 'A' && *c <= 'Z')
                                *c += 'a' - 'A';
-
-       // sort the list alphanumerically
-       return stringlistsort(start);
 }
 #else
 #include <dirent.h>
-stringlist_t *listdirectory(const char *path)
+void listdirectory(stringlist_t *list, const char *basepath, const char *path)
 {
+       char fullpath[MAX_OSPATH];
        DIR *dir;
        struct dirent *ent;
-       stringlist_t *start, *current;
-       dir = opendir(path);
+       dpsnprintf(fullpath, sizeof(fullpath), "%s%s", basepath, *path ? path : "./");
+       dir = opendir(fullpath);
        if (!dir)
-               return NULL;
-       start = current = NULL;
+               return;
        while ((ent = readdir(dir)))
-       {
-               if (strcmp(ent->d_name, ".") && strcmp(ent->d_name, ".."))
-               {
-                       current = stringlistappend(current, ent->d_name);
-                       if (!start)
-                               start = current;
-               }
-       }
+               adddirentry(list, path, ent->d_name);
        closedir(dir);
-       // sort the list alphanumerically
-       return stringlistsort(start);
 }
 #endif
 
-void freedirectory(stringlist_t *list)
-{
-       stringlistfree(list);
-}
-