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fixes for memory issues

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Somes fixes for memory related issues. Makes filename and password handling more
robust.
This commit is contained in:
Sebastian Ramacher 2010-09-27 18:30:45 +02:00
parent 83811fc398
commit a2771c1e23
1 changed files with 20 additions and 26 deletions
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46
zathura.c
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@ -1076,23 +1076,22 @@ close_file(gboolean keep_monitor)
}
/* reset values */
free(Zathura.PDF.pages);
g_free(Zathura.PDF.pages);
g_object_unref(Zathura.PDF.document);
g_free(Zathura.State.pages);
gtk_window_set_title(GTK_WINDOW(Zathura.UI.window), "zathura");
Zathura.State.pages = g_strdup_printf("");
if(Zathura.State.filename)
g_free(Zathura.State.filename);
g_free(Zathura.State.filename);
Zathura.State.filename = g_strdup((char*) default_text);
g_static_mutex_lock(&(Zathura.Lock.pdf_obj_lock));
Zathura.PDF.document = NULL;
if(Zathura.PDF.file)
free(Zathura.PDF.file);
if(!keep_monitor)
{
g_free(Zathura.PDF.file);
g_free(Zathura.PDF.password);
Zathura.PDF.file = NULL;
Zathura.PDF.password = NULL;
Zathura.PDF.page_number = 0;
@ -1216,7 +1215,7 @@ open_file(char* path, char* password)
#endif
/* get filename */
char* file = (char*) calloc(sizeof(char), pm);
char* file = (char*) g_malloc0(sizeof(char) * pm);
if(!file || !realpath(path, file))
{
notify(ERROR, "File does not exist");
@ -1228,14 +1227,8 @@ open_file(char* path, char* password)
if(path[0] == '~')
{
gchar* home_path = get_home_dir();
int file_len = strlen(home_path) + strlen(path) - 1;
if(file)
free(file);
file = malloc(file_len);
if(!file)
out_of_memory();
snprintf(file, file_len, "%s%s", home_path, path + 1);
g_free(file);
file = g_build_filename(home_path, path + 1, NULL);
g_free(home_path);
}
@ -1243,7 +1236,7 @@ open_file(char* path, char* password)
if(!g_file_test(file, G_FILE_TEST_IS_REGULAR))
{
notify(ERROR, "File does not exist");
free(file);
g_free(file);
g_static_mutex_unlock(&(Zathura.Lock.pdf_obj_lock));
return FALSE;
}
@ -1259,7 +1252,7 @@ open_file(char* path, char* password)
if (!file_uri)
{
if(file)
free(file);
g_free(file);
char* message = g_strdup_printf("Can not open file: %s", error->message);
notify(ERROR, message);
g_free(message);
@ -1297,7 +1290,8 @@ open_file(char* path, char* password)
}
/* save password */
Zathura.PDF.password = password;
g_free(Zathura.PDF.password);
Zathura.PDF.password = password ? g_strdup(password) : NULL;
/* inotify */
if(!Zathura.FileMonitor.monitor)
@ -1318,13 +1312,14 @@ open_file(char* path, char* password)
g_static_mutex_lock(&(Zathura.Lock.pdflib_lock));
Zathura.PDF.number_of_pages = poppler_document_get_n_pages(Zathura.PDF.document);
g_static_mutex_unlock(&(Zathura.Lock.pdflib_lock));
g_free(Zathura.PDF.file);
Zathura.PDF.file = file;
Zathura.PDF.scale = 100;
Zathura.PDF.rotate = 0;
if(Zathura.State.filename)
g_free(Zathura.State.filename);
Zathura.State.filename = g_markup_escape_text(file, -1);
Zathura.PDF.pages = malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
Zathura.PDF.pages = g_malloc(Zathura.PDF.number_of_pages * sizeof(Page*));
if(!Zathura.PDF.pages)
out_of_memory();
@ -3959,10 +3954,15 @@ cb_destroy(GtkWidget* widget, gpointer data)
sc = ne;
}
if(Zathura.State.filename)
g_free(Zathura.State.filename);
g_free(Zathura.State.filename);
g_free(Zathura.State.pages);
g_free(Zathura.Config.config_dir);
g_free(Zathura.Config.data_dir);
if (Zathura.StdinSupport.file)
g_unlink(Zathura.StdinSupport.file);
g_free(Zathura.StdinSupport.file);
gtk_main_quit();
return TRUE;
@ -4547,11 +4547,5 @@ int main(int argc, char* argv[])
gtk_main();
gdk_threads_leave();
g_free(Zathura.Config.config_dir);
g_free(Zathura.Config.data_dir);
if (Zathura.StdinSupport.file)
g_unlink(Zathura.StdinSupport.file);
g_free(Zathura.StdinSupport.file);
return 0;
}