1 files changed, 163 insertions, 0 deletions
diff --git a/src/watch_list.c b/src/watch_list.c
new file mode 100644
index 0000000..39c61f2
--- /dev/null
+++ b/src/watch_list.c
@@ -0,0 +1,163 @@
+/*
+ *  rhdropbox
+ *
+ *  Copyright (C) 2009 Christian Pointner <equinox@helsinki.at>
+ *
+ *  This file is part of rhdropbox.
+ *
+ *  rhdropbox is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
+ *
+ *  rhdropbox is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with rhdropbox. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "watch_list.h"
+
+void watch_list_init(watch_list_t* list)
+{
+  if(!list)
+    return;
+  
+  list->first_ = NULL;
+}
+
+void watch_list_clear(watch_list_t* list)
+{
+  if(!list)
+    return;
+
+  while(list->first_) {
+    watch_list_element_t* tmp;
+    tmp = list->first_;
+    list->first_ = tmp->next_;
+    if(tmp->path_)
+      free(tmp->path_);
+    free(tmp);
+  }
+}
+
+int watch_list_add(watch_list_t* list, int watch_fd, const char* string)
+{
+  if(!list)
+    return -1;
+
+  if(!list->first_) {
+    list->first_ = malloc(sizeof(watch_list_element_t));
+    if(!list->first_)
+      return -2;
+
+    list->first_->next_ = 0;
+    list->first_->watch_fd_ = watch_fd;
+    list->first_->path_ = strdup(string);
+    if(!list->first_->path_) {
+      free(list->first_);
+      list->first_ = NULL;
+      return -2;
+    }
+  }
+  else {
+    watch_list_element_t* tmp = list->first_;
+    while(tmp->next_)
+      tmp = tmp->next_;
+
+    tmp->next_  = malloc(sizeof(watch_list_element_t));
+    if(!tmp->next_)
+      return -2;
+
+    tmp->next_->next_ = 0;
+    tmp->next_->watch_fd_ = watch_fd;
+    tmp->next_->path_ = strdup(string);
+    if(!tmp->next_->path_) {
+      free(tmp->next_);
+      tmp->next_ = NULL;
+      return -2;
+    }
+  }
+  return 0;
+}
+
+void watch_list_rm(watch_list_t* list, const char* path)
+{
+  if(!list || !path)
+    return;
+  
+  watch_list_element_t* tmp = NULL;
+  if(list->first_->path_ && !strcmp(path, list->first_->path_)) {
+    tmp = list->first_;
+    list->first_ = list->first_->next_;
+    
+    if(tmp->path_)
+      free(tmp->path_);
+    free(tmp);
+    return;
+  }
+
+  watch_list_element_t* prev = list->first_;
+  tmp = list->first_->next_;
+  while(tmp) {
+    if(tmp->path_ && !strcmp(path, tmp->path_)) {
+      prev->next_ = tmp->next_;
+
+      if(tmp->path_)
+        free(tmp->path_);
+      free(tmp);
+      return;      
+    }
+    prev = tmp;
+    tmp = tmp->next_;
+  }
+}
+
+char* watch_list_find_path(watch_list_t* list, int watch_fd)
+{
+  if(!list)
+    return NULL;
+  
+  watch_list_element_t* tmp = list->first_;
+  while(tmp) {
+    if(tmp->watch_fd_ == watch_fd)
+      return tmp->path_;
+    tmp = tmp->next_;
+  }
+  
+  return NULL;
+}
+
+int watch_list_find_fd(watch_list_t* list, const char* path)
+{
+  if(!list || !path)
+    return -1;
+  
+  watch_list_element_t* tmp = list->first_;
+  while(tmp) {
+    if(tmp->path_ && !strcmp(path, tmp->path_))
+      return tmp->watch_fd_;
+    tmp = tmp->next_;
+  }
+  
+  return -1;
+}
+
+void watch_list_print(watch_list_t* list, const char* head, const char* sep, const char* tail)
+{
+  if(!list)
+    return;
+  
+  watch_list_element_t* tmp = list->first_;
+  while(tmp) {
+    printf("%s%d%s%s%s", head, tmp->watch_fd_, sep, tmp->path_, tail);
+    tmp = tmp->next_;
+  }
+}