From 9400922264824b46a447487e56642ef2e8167236 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Fri, 20 Nov 2009 00:53:05 +0000
Subject: added watch_list


diff --git a/Makefile b/Makefile
index 1114549..6eb770e 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,7 @@ OBJ := log.o \
        string_list.o \
        utils.o \
        client_list.o \
+       watch_list.o \
        options.o \
        rhdropbox.o
 
diff --git a/watch_list.c b/watch_list.c
new file mode 100644
index 0000000..1f5089d
--- /dev/null
+++ b/watch_list.c
@@ -0,0 +1,101 @@
+/*
+ *  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->string_)
+      free(tmp->string_);
+    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_->string_ = strdup(string);
+    if(!list->first_->string_) {
+      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_->string_ = strdup(string);
+    if(!tmp->next_->string_) {
+      free(list->first_);
+      list->first_ = NULL;
+      return -2;
+    }
+  }
+  return 0;
+}
+
+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->string_, tail);
+    tmp = tmp->next_;
+  }
+}
diff --git a/watch_list.h b/watch_list.h
new file mode 100644
index 0000000..8c3fa63
--- /dev/null
+++ b/watch_list.h
@@ -0,0 +1,43 @@
+/*
+ *  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/>.
+ */
+
+#ifndef RHDROPBOX_watch_list_h_INCLUDED
+#define RHDROPBOX_watch_list_h_INCLUDED
+
+struct watch_list_element_struct {
+  char* string_;
+  int watch_fd_;
+  struct watch_list_element_struct* next_;
+};
+typedef struct watch_list_element_struct watch_list_element_t;
+
+struct watch_list_struct {
+  watch_list_element_t* first_;
+};
+typedef struct watch_list_struct watch_list_t;
+
+void watch_list_init(watch_list_t* list);
+void watch_list_clear(watch_list_t* list);
+int watch_list_add(watch_list_t* list, int watch_fd, const char* path);
+
+void watch_list_print(watch_list_t* list, const char* head, const char* sep, const char* tail);
+
+#endif
-- 
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