fix build

[mono.git] / eglib / src / gmisc-unix.c

diff --git a/eglib/src/gmisc-unix.c b/eglib/src/gmisc-unix.c
index 8e85e631f92df2c7b8e2e279d2b0d4f38a5bdec0..756ef39a8e861c8423cc32f85999cc37c1465966 100644 (file)
--- a/eglib/src/gmisc-unix.c
+++ b/eglib/src/gmisc-unix.c
@@ -28,6 +28,16 @@
 
 #include <stdlib.h>
 #include <glib.h>
+#include <pthread.h>
+
+#ifdef HAVE_PWD_H
+#include <pwd.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 
 const gchar *
 g_getenv(const gchar *variable)
@@ -53,5 +63,78 @@ g_win32_getlocale(void)
        return NULL;
 }
 
+gboolean
+g_path_is_absolute (const char *filename)
+{
+       g_return_val_if_fail (filename != NULL, FALSE);
+
+       return (*filename == '/');
+}
+
+static pthread_mutex_t home_lock = PTHREAD_MUTEX_INITIALIZER;
+static const gchar *home_dir;
+
+/* Give preference to /etc/passwd than HOME */
+const gchar *
+g_get_home_dir (void)
+{
+       if (home_dir == NULL){
+               pthread_mutex_lock (&home_lock);
+               if (home_dir == NULL){
+#ifdef HAVE_GETPWENT_R
+                       struct passwd pwbuf, *track;
+                       char buf [4096];
+                       uid_t uid;
+                       
+                       uid = getuid ();
 
+                       setpwent ();
+                       
+                       while (getpwent_r (&pwbuf, buf, sizeof (buf), &track) == 0){
+                               if (pwbuf.pw_uid == uid){
+                                       home_dir = g_strdup (pwbuf.pw_dir);
+                                       break;
+                               }
+                       }
+                       endpwent ();
+#endif
+                       if (home_dir == NULL)
+                               home_dir = g_getenv ("HOME");
+                       pthread_mutex_unlock (&home_lock);
+               }
+       }
+       return home_dir;
+}
+
+const char *
+g_get_user_name (void)
+{
+       const char *retName = g_getenv ("USER");
+       return retName;
+}
+
+static const char *tmp_dir;
+
+static pthread_mutex_t tmp_lock = PTHREAD_MUTEX_INITIALIZER;
+
+const gchar *
+g_get_tmp_dir (void)
+{
+       if (tmp_dir == NULL){
+               pthread_mutex_lock (&tmp_lock);
+               if (tmp_dir == NULL){
+                       tmp_dir = g_getenv ("TMPDIR");
+                       if (tmp_dir == NULL){
+                               tmp_dir = g_getenv ("TMP");
+                               if (tmp_dir == NULL){
+                                       tmp_dir = g_getenv ("TEMP");
+                                       if (tmp_dir == NULL)
+                                               tmp_dir = "/tmp";
+                               }
+                       }
+               }
+               pthread_mutex_unlock (&tmp_lock);
+       }
+       return tmp_dir;
+}