Pull the stuff to read and write the list of filter expressions up into

a file in the top-level directory.


git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@2946 f5534014-38df-0310-8fa8-9805f1628bb7

1 files changed, 144 insertions, 0 deletions

diff --git a/filters.c b/filters.c
new file mode 100644
index 0000000000..f59b44fa02
--- /dev/null
+++ b/filters.c
@@ -0,0 +1,144 @@
+/* filters.c
+ * Code for reading and writing the filters file.
+ *
+ * $Id: filters.c,v 1.1 2001/01/28 04:43:24 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@zing.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * 
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#include <glib.h>
+
+#include <epan.h>
+
+#include "filters.h"
+#include "util.h"
+
+#define	FILTER_LINE_SIZE	2048
+
+/*
+ * List of filters.
+ */
+GList       *fl = NULL;
+
+void
+get_filter_list(void)
+{
+  filter_def *filt;
+  FILE       *ff;
+  gchar      *ff_path, *ff_name = PF_DIR "/filters", f_buf[FILTER_LINE_SIZE];
+  gchar      *name_begin, *name_end, *filt_begin;
+  int         len, line = 0;
+
+  if (fl) return;
+  
+  /* To do: generalize this */
+  ff_path = (gchar *) g_malloc(strlen(get_home_dir()) + strlen(ff_name) +  4);
+  sprintf(ff_path, "%s/%s", get_home_dir(), ff_name);
+
+  if ((ff = fopen(ff_path, "r")) == NULL) {
+    g_free(ff_path);
+    return;
+  }
+
+  while (fgets(f_buf, FILTER_LINE_SIZE, ff)) {
+    line++;
+    len = strlen(f_buf);
+    if (f_buf[len - 1] == '\n') {
+      len--;
+      f_buf[len] = '\0';
+    }
+    name_begin = strchr(f_buf, '"');
+    /* Empty line */
+    if (name_begin == NULL)
+      continue;
+    name_end = strchr(name_begin + 1, '"');
+    /* No terminating quote */
+    if (name_end == NULL) {
+      g_warning("Malformed filter in '%s' line %d.", ff_path, line);
+      continue;
+    }
+    name_begin++;
+    name_end[0] = '\0';
+    filt_begin  = name_end + 1;
+    while(isspace((guchar)filt_begin[0])) filt_begin++;
+    /* No filter string */
+    if (filt_begin[0] == '\0') {
+      g_warning("Malformed filter in '%s' line %d.", ff_path, line);
+      continue;
+    }
+    filt         = (filter_def *) g_malloc(sizeof(filter_def));
+    filt->name   = g_strdup(name_begin);
+    filt->strval = g_strdup(filt_begin);
+    fl = g_list_append(fl, filt);
+  }
+  fclose(ff);
+  g_free(ff_path);
+}
+
+void
+save_filter_list(void)
+{
+  GList       *flp;
+  filter_def  *filt;
+  gchar       *ff_path, *ff_dir = PF_DIR, *ff_name = "filters";
+  FILE        *ff;
+  struct stat  s_buf;
+  
+  ff_path = (gchar *) g_malloc(strlen(get_home_dir()) + strlen(ff_dir) +  
+    strlen(ff_name) + 4);
+  sprintf(ff_path, "%s/%s", get_home_dir(), ff_dir);
+
+  if (stat(ff_path, &s_buf) != 0)
+#ifdef WIN32
+    mkdir(ff_path);
+#else
+    mkdir(ff_path, 0755);
+#endif
+    
+  sprintf(ff_path, "%s/%s/%s", get_home_dir(), ff_dir, ff_name);
+
+  if ((ff = fopen(ff_path, "w")) != NULL) {
+    flp = g_list_first(fl);
+    while (flp) {
+      filt = (filter_def *) flp->data;
+      fprintf(ff, "\"%s\" %s\n", filt->name, filt->strval);
+      flp = flp->next;
+    }
+    fclose(ff);
+  }
+
+  g_free(ff_path);
+}