commit 26725d2cdac4bca0f779cf6fbbcd96a00912d1b9
Author: Peter Hatina <phatina@gmail.com>
Date:   Tue Jan 12 13:56:59 2016 +0100

    Move default temporary directory to /var/tmp

diff --git a/ui/gtk/about_dlg.c b/ui/gtk/about_dlg.c
index 06c1d9a..bf521f1 100644
--- a/ui/gtk/about_dlg.c
+++ b/ui/gtk/about_dlg.c
@@ -29,6 +29,7 @@
 
 #include <wsutil/filesystem.h>
 #include <wsutil/copyright_info.h>
+#include <wsutil/wstmpdir.h> /* for get_tmp_dor() */
 #include <ws_version_info.h>
 #ifdef HAVE_LIBSMI
 #include <epan/oids.h>
@@ -421,7 +422,7 @@ about_folders_page_new(void)
       "capture files");
 
   /* temp */
-  about_folders_row(table, "Temp", g_get_tmp_dir(),
+  about_folders_row(table, "Temp", get_tmp_dir(),
       "untitled capture files");
 
   /* pers conf */
diff --git a/ui/gtk/proto_help.c b/ui/gtk/proto_help.c
index 8632feb..dc9a2a0 100644
--- a/ui/gtk/proto_help.c
+++ b/ui/gtk/proto_help.c
@@ -37,6 +37,8 @@
 #include "../../file.h"
 
 
+#include <wsutil/wstmpdir.h> /* for get_tmp_dir() */
+
 #include "ui/gtk/proto_help.h"
 
 /*
@@ -155,7 +157,7 @@ void proto_help_init(void)
 	/* Start loop */
 
 #ifdef PH_DEBUG_LOG
-	ph_log_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", g_get_tmp_dir(), PH_FILE_LOG);
+	ph_log_path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", get_tmp_dir(), PH_FILE_LOG);
 #endif
 
 	for (i = 0; i < PH_CONF_DIRS; i++) {
diff --git a/ui/qt/about_dialog.cpp b/ui/qt/about_dialog.cpp
index 733fc55..a1068cd 100644
--- a/ui/qt/about_dialog.cpp
+++ b/ui/qt/about_dialog.cpp
@@ -49,6 +49,7 @@
 #include "file.h"
 #include "wsutil/file_util.h"
 #include "wsutil/tempfile.h"
+#include "wsutil/wstmpdir.h" /* for get_tmp_dir() */
 #include "wsutil/plugins.h"
 #include "wsutil/copyright_info.h"
 #include "ws_version_info.h"
@@ -213,7 +214,7 @@ AboutDialog::AboutDialog(QWidget *parent) :
     message += about_folders_row("\"File\" dialogs", get_last_open_dir(), "capture files");
 
     /* temp */
-    message += about_folders_row("Temp", g_get_tmp_dir(), "untitled capture files");
+    message += about_folders_row("Temp", get_tmp_dir(), "untitled capture files");
 
     /* pers conf */
     message += about_folders_row("Personal configuration",
diff --git a/ui/qt/iax2_analysis_dialog.cpp b/ui/qt/iax2_analysis_dialog.cpp
index eb76952..bb815f6 100644
--- a/ui/qt/iax2_analysis_dialog.cpp
+++ b/ui/qt/iax2_analysis_dialog.cpp
@@ -41,6 +41,8 @@
 #include <wsutil/g711.h>
 #include <wsutil/pint.h>
 
+#include <wsutil/wstmpdir.h> /* for get_tmp_dir() */
+
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QPushButton>
@@ -271,10 +273,10 @@ Iax2AnalysisDialog::Iax2AnalysisDialog(QWidget &parent, CaptureFile &cf) :
 
     // We keep our temp files open for the lifetime of the dialog. The GTK+
     // UI opens and closes at various points.
-    QString tempname = QString("%1/wireshark_iax2_f").arg(QDir::tempPath());
+    QString tempname = QString("%1/wireshark_iax2_f").arg(get_tmp_dir());
     fwd_tempfile_ = new QTemporaryFile(tempname, this);
     fwd_tempfile_->open();
-    tempname = QString("%1/wireshark_iax2_r").arg(QDir::tempPath());
+    tempname = QString("%1/wireshark_iax2_r").arg(get_tmp_dir());
     rev_tempfile_ = new QTemporaryFile(tempname, this);
     rev_tempfile_->open();
 
diff --git a/ui/qt/rtp_analysis_dialog.cpp b/ui/qt/rtp_analysis_dialog.cpp
index e12da20..87be751 100644
--- a/ui/qt/rtp_analysis_dialog.cpp
+++ b/ui/qt/rtp_analysis_dialog.cpp
@@ -38,6 +38,8 @@
 #include <wsutil/g711.h>
 #include <wsutil/pint.h>
 
+#include <wsutil/wstmpdir.h> /* for get_tmp_dir() */
+
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QPushButton>
@@ -323,10 +325,10 @@ RtpAnalysisDialog::RtpAnalysisDialog(QWidget &parent, CaptureFile &cf, struct _r
 
     // We keep our temp files open for the lifetime of the dialog. The GTK+
     // UI opens and closes at various points.
-    QString tempname = QString("%1/wireshark_rtp_f").arg(QDir::tempPath());
+    QString tempname = QString("%1/wireshark_rtp_f").arg(get_tmp_dir());
     fwd_tempfile_ = new QTemporaryFile(tempname, this);
     fwd_tempfile_->open();
-    tempname = QString("%1/wireshark_rtp_r").arg(QDir::tempPath());
+    tempname = QString("%1/wireshark_rtp_r").arg(get_tmp_dir());
     rev_tempfile_ = new QTemporaryFile(tempname, this);
     rev_tempfile_->open();
 
diff --git a/ui/qt/rtp_audio_stream.cpp b/ui/qt/rtp_audio_stream.cpp
index 7bd072e..db9bd85 100644
--- a/ui/qt/rtp_audio_stream.cpp
+++ b/ui/qt/rtp_audio_stream.cpp
@@ -37,6 +37,7 @@
 #include <ui/rtp_stream.h>
 
 #include <wsutil/nstime.h>
+#include <wsutil/wstmpdir.h> /* for get_tmp_dir() */
 
 #include <QAudioFormat>
 #include <QAudioOutput>
@@ -75,7 +76,7 @@ RtpAudioStream::RtpAudioStream(QObject *parent, _rtp_stream_info *rtp_stream) :
                                                 visual_sample_rate_, SPEEX_RESAMPLER_QUALITY_MIN, NULL);
     speex_resampler_skip_zeros(visual_resampler_);
 
-    QString tempname = QString("%1/wireshark_rtp_stream").arg(QDir::tempPath());
+    QString tempname = QString("%1/wireshark_rtp_stream").arg(get_tmp_dir());
     tempfile_ = new QTemporaryFile(tempname, this);
     tempfile_->open();
 
diff --git a/wsutil/Makefile.am b/wsutil/Makefile.am
index 95c57d2..acd7837 100644
--- a/wsutil/Makefile.am
+++ b/wsutil/Makefile.am
@@ -90,7 +90,8 @@
 	ws_cpuid.h		\
 	ws_mempbrk.h		\
 	ws_mempbrk_int.h	\
-	ws_printf.h
+	ws_printf.h		\
+	wstmpdir.h
 
 # Header files for functions in libwsutil's ABI on this platform.
 libwsutil_abi_INCLUDES = \
@@ -154,7 +155,8 @@ libwsutil_la_SOURCES = \
 	time_util.c		\
 	type_util.c		\
 	unicode-utils.c		\
-	ws_mempbrk.c
+	ws_mempbrk.c		\
+	wstmpdir.c
 
 if HAVE_OS_X_FRAMEWORKS
 libwsutil_la_SOURCES += cfutils.c cfutils.h
diff --git a/wsutil/tempfile.c b/wsutil/tempfile.c
index 7391fbf..9add952 100644
--- a/wsutil/tempfile.c
+++ b/wsutil/tempfile.c
@@ -36,6 +36,7 @@
 
 #include "tempfile.h"
 #include <wsutil/file_util.h>
+#include <wsutil/wstmpdir.h> /* for get_tmp_dir() */
 
 #ifndef __set_errno
 #define __set_errno(x) errno=(x)
@@ -142,7 +143,7 @@ mkdtemp (char *path_template)
  */
 char *get_tempfile_path(const char *filename)
 {
-  return g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", g_get_tmp_dir(), filename);
+  return g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", get_tmp_dir(), filename);
 }
 
 #define MAX_TEMPFILES   3
@@ -198,7 +199,7 @@ create_tempfile(char **namebuf, const char *pfx, const char *sfx)
     tf[idx].path = (char *)g_malloc(tf[idx].len);
   }
 
-  tmp_dir = g_get_tmp_dir();
+  tmp_dir = get_tmp_dir();
 
 #ifdef _WIN32
   _tzset();
@@ -232,7 +233,7 @@ create_tempfile(char **namebuf, const char *pfx, const char *sfx)
 
 /**
  * Create a directory with the given prefix (e.g. "wireshark"). The path
- * is created using g_get_tmp_dir and mkdtemp.
+ * is created using get_tmp_dir and mkdtemp.
  *
  * @param namebuf
  * @param pfx A prefix for the temporary directory.
@@ -260,7 +261,7 @@ create_tempdir(char **namebuf, const char *pfx)
   /*
    * We can't use get_tempfile_path here because we're called from dumpcap.c.
    */
-  tmp_dir = g_get_tmp_dir();
+  tmp_dir = get_tmp_dir();
 
   while (g_snprintf(td_path[idx], td_path_len[idx], "%s%c%s" TMP_FILE_SUFFIX, tmp_dir, G_DIR_SEPARATOR, pfx) > td_path_len[idx]) {
     td_path_len[idx] *= 2;
diff --git a/wsutil/tempfile.h b/wsutil/tempfile.h
index 1dca2df..bb3160c 100644
--- a/wsutil/tempfile.h
+++ b/wsutil/tempfile.h
@@ -45,7 +45,7 @@ WS_DLL_PUBLIC char *get_tempfile_path(const char *filename);
 
 /**
  * Create a tempfile with the given prefix (e.g. "wireshark"). The path
- * is created using g_get_tmp_dir and mkstemp.
+ * is created using get_tmp_dir and mkstemp.
  *
  * @param namebuf [in,out] If not NULL, receives the full path of the temp file.
  *                Must NOT be freed.
@@ -58,7 +58,7 @@ WS_DLL_PUBLIC int create_tempfile(char **namebuf, const char *pfx, const char *s
 
 /**
  * Create a directory with the given prefix (e.g. "wireshark"). The path
- * is created using g_get_tmp_dir and mkdtemp.
+ * is created using get_tmp_dir and mkdtemp.
  *
  * @param namebuf If not NULL, receives the full path of the temp directory.
  *                Must NOT be freed.
diff --git a/wsutil/wstmpdir.c b/wsutil/wstmpdir.c
new file mode 100644
index 0000000..d8b733b
--- /dev/null
+++ b/wsutil/wstmpdir.c
@@ -0,0 +1,70 @@
+/* wstmpdir.c
+ *
+ * Copyright (C) 2013 Red Hat, Inc. All right reserved.
+ *
+ * Temporary directory routine
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Author: Peter Hatina <phatina@redhat.com>
+ */
+
+#include "config.h"
+
+#include <glib.h>
+#include "wstmpdir.h"
+
+/**
+ * Gets the directory to use for temporary files.
+ *
+ * Inspired by glib-2.0. If no TMP, TEMP or TMPDIR is set,
+ * /var/tmp is returned (Fedora specific).
+ *
+ * Returns: the directory to use for temporary files.
+ */
+const char *get_tmp_dir(void)
+{
+    static gchar *tmp_dir;
+
+    if (g_once_init_enter(&tmp_dir)) {
+        gchar *tmp;
+
+        tmp = g_strdup(g_getenv("TEMP"));
+        if (tmp == NULL || *tmp == '\0') {
+            g_free(tmp);
+            tmp = g_strdup(g_getenv("TMPDIR"));
+        }
+
+#ifdef P_tmpdir
+        if (tmp == NULL || *tmp == '\0') {
+            gsize k;
+            g_free(tmp);
+            tmp = g_strdup(P_tmpdir);
+            k = strlen(tmp);
+            if (k > 1 && G_IS_DIR_SEPARATOR(tmp[k - 1]))
+                tmp[k - 1] = '\0';
+        }
+#endif /* P_tmpdir */
+
+        if (tmp == NULL || *tmp == '\0') {
+            g_free(tmp);
+            tmp = g_strdup("/var/tmp");
+        }
+
+        g_once_init_leave(&tmp_dir, tmp);
+    }
+
+    return tmp_dir;
+}
diff --git a/wsutil/wstmpdir.h b/wsutil/wstmpdir.h
new file mode 100644
index 0000000..021b615
--- /dev/null
+++ b/wsutil/wstmpdir.h
@@ -0,0 +1,39 @@
+/* wstmpdir.c
+ *
+ * Copyright (C) 2013 Red Hat, Inc. All right reserved.
+ *
+ * Temporary directory routine
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Author: Peter Hatina <phatina@redhat.com>
+ */
+
+#ifndef __WS_TMP_DIR_H__
+#define __WS_TMP_DIR_H__
+
+#include "ws_symbol_export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+WS_DLL_PUBLIC const char *get_tmp_dir(void);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // __WS_TMP_DIR_H__