return error;
}
+/**
+ * g_error_new:
+ * @domain: error domain
+ * @code: error code
+ * @format: printf()-style format for error message
+ * @Varargs: parameters for message format
+ *
+ * Creates a new #GError with the given @domain and @code,
+ * and a message formatted with @format.
+ *
+ * Return value: a new #GError
+ **/
GError*
g_error_new (GQuark domain,
gint code,
return error;
}
+/**
+ * g_error_new_literal:
+ * @domain: error domain
+ * @code: error code
+ * @message: error message
+ *
+ * Creates a new #GError; unlike g_error_new(), @message is not
+ * a printf()-style format string. Use this function if @message
+ * contains text you don't have control over, that could include
+ * printf() escape sequences.
+ *
+ * Return value: a new #GError
+ **/
GError*
g_error_new_literal (GQuark domain,
gint code,
return err;
}
+/**
+ * g_error_free:
+ * @error: a #GError
+ *
+ * Frees a #GError and associated resources.
+ *
+ **/
void
g_error_free (GError *error)
{
g_free (error);
}
+/**
+ * g_error_copy:
+ * @error: a #GError
+ *
+ * Makes a copy of @error.
+ *
+ * Return value: a new #GError
+ **/
GError*
g_error_copy (const GError *error)
{
return copy;
}
+/**
+ * g_error_matches:
+ * @error: a #GError
+ * @domain: an error domain
+ * @code: an error code
+ *
+ * Returns TRUE if @error matches @domain and @code, FALSE
+ * otherwise.
+ *
+ * Return value: whether @error has @domain and @code
+ **/
gboolean
g_error_matches (const GError *error,
GQuark domain,
#define ERROR_OVERWRITTEN_WARNING "GError set over the top of a previous GError or uninitialized memory.\n" \
"This indicates a bug in someone's code. You must ensure an error is NULL before it's set."
+/**
+ * g_set_error:
+ * @err: a return location for a #GError, or NULL
+ * @domain: error domain
+ * @code: error code
+ * @format: printf()-style format
+ * @Varargs: args for @format
+ *
+ * Does nothing if @err is NULL; if @err is non-NULL, then *@err must
+ * be NULL. A new #GError is created and assigned to *@err.
+ **/
void
g_set_error (GError **err,
GQuark domain,
va_end (args);
}
+/**
+ * g_propagate_error:
+ * @dest: error return location
+ * @src: error to move into the return location
+ *
+ * If @dest is NULL, free @src; otherwise,
+ * moves @src into *@dest. *@dest must be NULL.
+ **/
void
g_propagate_error (GError **dest,
GError *src)
{
g_return_if_fail (src != NULL);
-
- if (dest == NULL)
- return;
- if (*dest != NULL)
- g_warning (ERROR_OVERWRITTEN_WARNING);
-
- *dest = src;
+ if (dest == NULL)
+ {
+ if (src)
+ g_error_free (src);
+ return;
+ }
+ else
+ {
+ if (*dest != NULL)
+ g_warning (ERROR_OVERWRITTEN_WARNING);
+
+ *dest = src;
+ }
}
+/**
+ * g_clear_error:
+ * @err: a #GError return location
+ *
+ * If @err is NULL, does nothing. If @err is non-NULL,
+ * calls g_error_free() on *@err and sets *@err to NULL.
+ **/
void
g_clear_error (GError **err)
{