From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 20 Oct 2011 12:38:33 +0000 (+0300)
Subject: Omit mounted devices from the list
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=fbee2822001a0976e9cfff115c51ab82283197a1;p=pmount-gui.git

Omit mounted devices from the list
---

diff --git a/main.c b/main.c
index 13e6696..7d941c1 100644
--- a/main.c
+++ b/main.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <dirent.h>
+#include <mntent.h>
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <gtk/gtk.h>
@@ -17,6 +18,7 @@ typedef struct sDevice
 	char *node;
 	char *label;
 	char *description;
+	int mounted;
 	time_t time;
 } Device;
 
@@ -159,6 +161,49 @@ void free_properties(Property *props)
 	free(props);
 }
 
+char **get_mounted_devices(void)
+{
+	FILE *mtab;
+	struct mntent *me;
+	char **mounted = NULL;
+	int n_mounted = 0;
+
+	mtab = setmntent("/etc/mtab", "r");
+	if(!mtab)
+		return NULL;
+
+	while((me = getmntent(mtab)))
+	{
+		mounted = (char **)realloc(mounted, (n_mounted+2)*sizeof(char *));
+		mounted[n_mounted] = strdup(me->mnt_fsname);
+		++n_mounted;
+	}
+
+	endmntent(mtab);
+	mounted[n_mounted] = NULL;
+
+	return mounted;
+}
+
+int is_mounted(char **mounted, char *devname)
+{
+	int i;
+	for(i=0; mounted[i]; ++i)
+		if(!strcmp(devname, mounted[i]))
+			return 1;
+	return 0;
+}
+
+void free_mounted_devices(char **mounted)
+{
+	int i;
+	if(!mounted)
+		return;
+	for(i=0; mounted[i]; ++i)
+		free(mounted[i]);
+	free(mounted);
+}
+
 Device *get_devices(void)
 {
 	DIR *dir;
@@ -166,11 +211,14 @@ Device *get_devices(void)
 	char fnbuf[256];
 	Device *devices = NULL;
 	int n_devices = 0;
+	char **mounted = NULL;
 	
 	dir = opendir("/dev/disk/by-id");
 	if(!dir)
 		return NULL;
 
+	mounted = get_mounted_devices();
+
 	while((de = readdir(dir)))
 	{
 		if(de->d_name[0]=='.' && (de->d_name[1]==0 || (de->d_name[1]=='.' && de->d_name[2]==0)))
@@ -180,6 +228,7 @@ Device *get_devices(void)
 		Property *props = get_device_properties(fnbuf);
 		if(match_property_value(props, "ID_BUS", "usb") && match_property_value(props, "DEVTYPE", "partition"))
 		{
+			char *devname;
 			char *label;
 			char *vendor;
 			char *model;
@@ -189,6 +238,8 @@ Device *get_devices(void)
 
 			/*printf("Using device %s\n", fnbuf);*/
 
+			devname = get_property_value(props, "DEVNAME");
+
 			label = get_property_value(props, "ID_FS_LABEL");
 			if(!label)
 				label = get_property_value(props, "ID_FS_UUID");
@@ -196,11 +247,12 @@ Device *get_devices(void)
 			{
 				char *ptr;
 
-				label = get_property_value(props, "DEVNAME");
+				label = devname;
 				for(ptr=label; *ptr; ++ptr)
 					if(*ptr=='/')
 						label = ptr+1;
 			}
+
 			vendor = get_property_value(props, "ID_VENDOR");
 			model = get_property_value(props, "ID_MODEL");
 
@@ -214,6 +266,7 @@ Device *get_devices(void)
 			devices[n_devices].node = strdup(fnbuf);
 			devices[n_devices].label = strdup(label);
 			devices[n_devices].description = strdup(buf);
+			devices[n_devices].mounted = is_mounted(mounted, devname);
 			devices[n_devices].time = st.st_mtime;
 			++n_devices;
 		}
@@ -221,11 +274,13 @@ Device *get_devices(void)
 	}
 
 	closedir(dir);
+	free_mounted_devices(mounted);
 
 	if(devices)
 	{
 		devices[n_devices].node = NULL;
 		devices[n_devices].label = NULL;
+		devices[n_devices].description = NULL;
 	}
 
 	return devices;
@@ -349,15 +404,16 @@ int main(int argc, char **argv)
 	{
 		latest = 0;
 		for(i=0; devices[i].node; ++i)
-		{
-			gtk_list_store_append(store, &iter);
-			gtk_list_store_set(store, &iter, 0, devices[i].description, 1, &devices[i], -1);
-			if(devices[i].time>latest)
+			if(!devices[i].mounted)
 			{
-				latest = devices[i].time;
-				gtk_tree_selection_select_iter(selection, &iter);
+				gtk_list_store_append(store, &iter);
+				gtk_list_store_set(store, &iter, 0, devices[i].description, 1, &devices[i], -1);
+				if(devices[i].time>latest)
+				{
+					latest = devices[i].time;
+					gtk_tree_selection_select_iter(selection, &iter);
+				}
 			}
-		}
 
 		gtk_widget_show_all(window);
 	}