diff options
Diffstat (limited to 'gir/glib-2.0.c')
| -rw-r--r-- | gir/glib-2.0.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/gir/glib-2.0.c b/gir/glib-2.0.c index fe3c262e..1383689b 100644 --- a/gir/glib-2.0.c +++ b/gir/glib-2.0.c @@ -5773,8 +5773,10 @@ * foo_open_file (GError **error) * { * gint fd; + * int saved_errno; * * fd = open ("file.txt", O_RDONLY); + * saved_errno = errno; * * if (fd < 0) * { @@ -5782,7 +5784,7 @@ * FOO_ERROR, // error domain * FOO_ERROR_BLAH, // error code * "Failed to open file: %s", // error message format string - * g_strerror (errno)); + * g_strerror (saved_errno)); * return -1; * } * else @@ -19299,7 +19301,7 @@ * * A convenience macro to get the previous element in a #GList. * Note that it is considered perfectly acceptable to access - * @list->previous directly. + * @list->prev directly. * * Returns: the previous element, or %NULL if there are no previous * elements @@ -27144,6 +27146,8 @@ * @slist: an element in a #GSList. * * A convenience macro to get the next element in a #GSList. + * Note that it is considered perfectly acceptable to access + * @slist->next directly. * * Returns: the next element, or %NULL if there are no more elements. */ @@ -27985,10 +27989,10 @@ * You should call g_spawn_close_pid() on the returned child process * reference when you don't need it any more. * - * If you are writing a GTK+ application, and the program you are - * spawning is a graphical application, too, then you may want to - * use gdk_spawn_on_screen() instead to ensure that the spawned program - * opens its windows on the right screen. + * If you are writing a GTK+ application, and the program you are spawning is a + * graphical application too, then to ensure that the spawned program opens its + * windows on the right screen, you may want to use #GdkAppLaunchContext, + * #GAppLaunchcontext, or set the %DISPLAY environment variable. * * Note that the returned @child_pid on Windows is a handle to the child * process and not its identifier. Process handles and process identifiers @@ -28158,10 +28162,10 @@ * If @child_pid is not %NULL and an error does not occur then the returned * process reference must be closed using g_spawn_close_pid(). * - * If you are writing a GTK+ application, and the program you - * are spawning is a graphical application, too, then you may - * want to use gdk_spawn_on_screen_with_pipes() instead to ensure that - * the spawned program opens its windows on the right screen. + * If you are writing a GTK+ application, and the program you are spawning is a + * graphical application too, then to ensure that the spawned program opens its + * windows on the right screen, you may want to use #GdkAppLaunchContext, + * #GAppLaunchcontext, or set the %DISPLAY environment variable. * * Returns: %TRUE on success, %FALSE if an error was set */ @@ -28774,7 +28778,17 @@ * * Note that the string may be translated according to the current locale. * - * The value of %errno will not be changed by this function. + * The value of %errno will not be changed by this function. However, it may + * be changed by intermediate function calls, so you should save its value + * as soon as the call returns: + * |[ + * int saved_errno; + * + * ret = read (blah); + * saved_errno = errno; + * + * g_strerror (saved_errno); + * ]| * * Returns: a UTF-8 string describing the error code. If the error code * is unknown, it returns a string like "unknown error (<code>)". |