New function to list all environment variables. (#166327, Hans Petter

2005-02-07  Matthias Clasen  <mclasen@redhat.com>

	* glib/glib.symbols:
	* glib/gutils.h:
	* glib/gutils.c (g_listenv): New function to list all
	environment variables.  (#166327, Hans Petter Jansson)

diff --git a/ChangeLog b/ChangeLog
index a6260e2..3101db1 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2005-02-07  Matthias Clasen  <mclasen@redhat.com>
+
+       * glib/glib.symbols: 
+       * glib/gutils.h: 
+       * glib/gutils.c (g_listenv): New function to list all 
+       environment variables.  (#166327, Hans Petter Jansson)
+
 2005-02-07  Tor Lillqvist  <tml@novell.com>
 
        * glib-zip.in: Add gmodule-no-export-2.0.pc.

diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index a6260e2..3101db1 100644 (file)
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,3 +1,10 @@
+2005-02-07  Matthias Clasen  <mclasen@redhat.com>
+
+       * glib/glib.symbols: 
+       * glib/gutils.h: 
+       * glib/gutils.c (g_listenv): New function to list all 
+       environment variables.  (#166327, Hans Petter Jansson)
+
 2005-02-07  Tor Lillqvist  <tml@novell.com>
 
        * glib-zip.in: Add gmodule-no-export-2.0.pc.

diff --git a/ChangeLog.pre-2-12 b/ChangeLog.pre-2-12
index a6260e2..3101db1 100644 (file)
--- a/ChangeLog.pre-2-12
+++ b/ChangeLog.pre-2-12
@@ -1,3 +1,10 @@
+2005-02-07  Matthias Clasen  <mclasen@redhat.com>
+
+       * glib/glib.symbols: 
+       * glib/gutils.h: 
+       * glib/gutils.c (g_listenv): New function to list all 
+       environment variables.  (#166327, Hans Petter Jansson)
+
 2005-02-07  Tor Lillqvist  <tml@novell.com>
 
        * glib-zip.in: Add gmodule-no-export-2.0.pc.

diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index a6260e2..3101db1 100644 (file)
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,3 +1,10 @@
+2005-02-07  Matthias Clasen  <mclasen@redhat.com>
+
+       * glib/glib.symbols: 
+       * glib/gutils.h: 
+       * glib/gutils.c (g_listenv): New function to list all 
+       environment variables.  (#166327, Hans Petter Jansson)
+
 2005-02-07  Tor Lillqvist  <tml@novell.com>
 
        * glib-zip.in: Add gmodule-no-export-2.0.pc.

diff --git a/docs/reference/ChangeLog b/docs/reference/ChangeLog
index 0dd4579..7a8e1b4 100644 (file)
--- a/docs/reference/ChangeLog
+++ b/docs/reference/ChangeLog
@@ -1,3 +1,7 @@
+2005-02-07  Matthias Clasen  <mclasen@redhat.com>
+
+       * glib/glib-sections.txt: Add g_listenv.
+
 2005-02-04  Matthias Clasen  <mclasen@redhat.com>
 
        * glib/tmpl/linked_lists_double.sgml: 

diff --git a/docs/reference/glib/glib-sections.txt b/docs/reference/glib/glib-sections.txt
index 07ad82b..a68bb2f 100644 (file)
--- a/docs/reference/glib/glib-sections.txt
+++ b/docs/reference/glib/glib-sections.txt
@@ -1283,6 +1283,7 @@ g_set_prgname
 g_getenv
 g_setenv
 g_unsetenv
+g_listenv
 g_get_user_name
 g_get_real_name
 g_get_user_cache_dir

diff --git a/glib/glib.symbols b/glib/glib.symbols
index ea4c785..ec32726 100644 (file)
--- a/glib/glib.symbols
+++ b/glib/glib.symbols
@@ -372,6 +372,7 @@ g_key_file_set_string_list
 g_key_file_set_value
 g_key_file_to_data G_GNUC_MALLOC
 glib_check_version
+g_listenv
 g_list_alloc
 g_list_append
 g_list_concat

diff --git a/glib/gutils.c b/glib/gutils.c
index 61ec38f..7806d75 100644 (file)
--- a/glib/gutils.c
+++ b/glib/gutils.c
@@ -1215,12 +1215,12 @@ g_setenv (const gchar *variable,
 }
 
 #ifndef G_OS_WIN32
-#ifndef HAVE_UNSETENV     
+
 /* According to the Single Unix Specification, environ is not in 
  * any system header, although unistd.h often declares it.
  */
 extern char **environ;
-#endif
+
 #endif
            
 /**
@@ -1312,6 +1312,36 @@ g_unsetenv (const gchar *variable)
 #endif /* G_OS_WIN32 */
 }
 
+/**
+ * g_listenv:
+ *
+ * Gets the names of all variables set in the environment.
+ * 
+ * Return: a NUL-terminated list of strings which must be freed
+ * with g_strfreev().
+ *
+ * Since: 2.8
+ */
+gchar **
+g_listenv (void)
+{
+  gchar **result, *eq;
+  gint len, i;
+
+  len = g_strv_length (environ);
+  result = g_new0 (gchar *, len + 1);
+  
+  for (i = 0; i < len; i++)
+    {
+      eq = strchr (environ[i], '=');
+      result[i] = g_strndup (environ[i], eq - environ[i]);
+    }
+
+  result[len] = NULL;
+
+  return result;
+}
+
 G_LOCK_DEFINE_STATIC (g_utils_global);
 
 static gchar   *g_tmp_dir = NULL;

diff --git a/glib/gutils.h b/glib/gutils.h
index 08634c4..f2e483b 100644 (file)
--- a/glib/gutils.h
+++ b/glib/gutils.h
@@ -193,7 +193,7 @@ gboolean              g_setenv             (const gchar *variable,
                                            const gchar *value,
                                            gboolean     overwrite);
 void                  g_unsetenv           (const gchar *variable);
-
+gchar**               g_listenv            (void);
 
 /* we try to provide a usefull equivalent for ATEXIT if it is
  * not defined, but use is actually abandoned. people should