From a14e13b23bea72ed78181f752eb6e9454b10eb9a Mon Sep 17 00:00:00 2001 From: drbrain Date: Tue, 23 Aug 2011 06:26:11 +0000 Subject: * load.c (rb_f_require): Improve documentation of Kernel#require. [Ruby 1.9 - Bug #5210] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ load.c | 41 +++++++++++++++++++++++++---------------- 2 files changed, 30 insertions(+), 16 deletions(-) diff --git a/ChangeLog b/ChangeLog index 0f3a765413..4100e48c32 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Tue Aug 23 15:23:56 2011 Eric Hodel + + * load.c (rb_f_require): Improve documentation of Kernel#require. + [Ruby 1.9 - Bug #5210] + Tue Aug 23 11:27:26 2011 Hiroshi Nakamura * ext/zlib/zlib.c (gzfile_read_header): Ensure that each section of diff --git a/load.c b/load.c index 73a6eb66af..9ed386d6c9 100644 --- a/load.c +++ b/load.c @@ -430,24 +430,33 @@ load_unlock(const char *ftptr, int done) /* * call-seq: - * require(string) -> true or false + * require(name) -> true or false * - * Ruby tries to load the library named _string_, returning - * +true+ if successful. If the filename does not resolve to - * an absolute path, it will be searched for in the directories listed - * in $:. If the file has the extension ``.rb'', it is - * loaded as a source file; if the extension is ``.so'', ``.o'', or - * ``.dll'', or whatever the default shared library extension is on - * the current platform, Ruby loads the shared library as a Ruby - * extension. Otherwise, Ruby tries adding ``.rb'', ``.so'', and so on - * to the name. The name of the loaded feature is added to the array in - * $". A feature will not be loaded if its name already - * appears in $". The file name is converted to an absolute - * path, so ``require 'a'; require './a''' will not load - * a.rb twice. + * Loads the given +name+, returning +true+ if successful and +false+ if the + * feature is already loaded. * - * require "my-library.rb" - * require "db-driver" + * If the filename does not resolve to an absolute path, it will be searched + * for in the directories listed in $LOAD_PATH ($:). + * + * If the filename has the extension ".rb", it is loaded as a source file; if + * the extension is ".so", ".o", or ".dll", or the default shared library + * extension on the current platform, Ruby loads the shared library as a + * Ruby extension. Otherwise, Ruby tries adding ".rb", ".so", and so on + * to the name until found. If the file named cannot be found, a LoadError + * will be raised. + * + * For Ruby extensions the filename given may use any shared library + * extension. For example, on Linux the socket extension is "socket.so" and + * require 'socket.dll' will load the socket extension. + * + * The absolute path of the loaded file is added to + * $LOADED_FEATURES ($"). A file will not be + * loaded again if its path already appears in $". For example, + * require 'a'; require './a' will not load a.rb + * again. + * + * require "my-library.rb" + * require "db-driver" */ VALUE -- cgit v1.2.3