From 45087b1010728ba90e78be16ae82af82f658976d Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 21 Jun 2000 22:44:33 +0000 Subject: [PATCH] More doc updates. -Erik --- Changelog | 9 +++++---- TODO | 59 ++++++++++++++++++++++++++++++++++--------------------- 2 files changed, 42 insertions(+), 26 deletions(-) diff --git a/Changelog b/Changelog index 8e8de9523..053a7cb0b 100644 --- a/Changelog +++ b/Changelog @@ -1,5 +1,6 @@ 0.44 - * Now compiles vs libc5 (which can save lots of space for embedded systems). + * Now compiles vs libc5 (which can save lots of space for + embedded systems). * Added BB_FEATURE_TRIVIAL_HELP which compiles out most all of the help messages (i.e --help). Saves 17k over a full compile. * Added cut and tr from minix, since due to the license change, @@ -8,7 +9,7 @@ staticly linked busybox containing only insmod and sh, a few /dev entries, and a kernel module or two... It doesn't get smaller then this folks (I pity the fool that writes insmod in asm ;-). - Many kudos go to Ron Alder for finishing this off!!! + Many kudos go to Ron Alder for finishing this off! * Added a mini ar archive utility, especially written for BusyBox by Glenn McGrath * Added mktemp, contributed by Daniel Jacobowitz @@ -18,8 +19,8 @@ * Added 'grep -v' option (inverted search) and updated docs accordingly. -beppu * Wrote which - * Replaced the telnet implementation with one written by Tomi Ollila - It works great and costs 3k. + * Replaced the telnet implementation with one written by + Tomi Ollila It works great and costs 3k. * BusyBox sh (lash) now supports being used as a standalone shell. When BB_FEATURE_STANDALONE_SHELL is defined, all the busybox commands may be invoked as shell internals. Best used when compiling staticly diff --git a/TODO b/TODO index 3aba13643..39fa37e27 100644 --- a/TODO +++ b/TODO @@ -16,30 +16,56 @@ around to it some time. If you have any good ideas, please let me know. ----------- -Bugs that need fixing before the 0.44 release goes out the door: +Bugs that need fixing: - "more" doesn't accept " " to scroll by one page when BB_FEATURE_USE_TERMIOS is not on. - - doc / website updates to tell what the real mailing list is for busybox. - fix 'cp' (or test suite script) so that it passes the test suite. - -These could get done before the 0.44 release if we have time, but we won't -hold up the 0.44 release just because of these: - - ps dirent race bug (need to stat the file before attempting chdir) - Make 'ln -s /tmp/file .' work the way GNU ln does (i.e. makes a link to /tmp/file in the current directory, rather then trying and failing to create a symlink named "." in the current working directory). - Prune sfdisk - - Graft fdisk + - Graft fdisk instead -These will be deferred til after 0.44 is released. We will rework these to use -libc regex functions instead (as per the mailing list discussion): +We will rework these to use libc regex functions instead (as per the mailing +list discussion): - 'grep foo$ file' doesn't work - 'grep *foo file' segfaults +----------- + +Linux 2.4.x kernels + +BusyBox 0.45 currently will not work with the Linux 2.4.x kernels. +I know of the following problems: + +1) The sysinfo syscall has changed what it does (binary incompatable), breaking + init and free. +2) BusyBox NFS support is broken with 2.4.x (needs to be adjusted for NFSv3 and + kernel header changes). +3) mount,umount,and df are all broken by the "none" entries for fake filesystems + such as the shared mem one. Al Viro claims these will be disappearing soon... + +I made a kernel patch that reverts the sysinfo changes + http://kernelnotes.org/lnxlists/linux-kernel/lk_0006_01/msg00619.html + +and I have been fighting with Alan Cox to get these changes fixed in a binary +compatable way, but Alan has so far not been very receptive. I am planning on +appealing to Linus (when he gets back from vacation) and then going with +whatever he decides... + +So my thought is, 2.4.x just isn't ready for BusyBox to target it, and even if +it was, BusyBox isn't ready yet either. Seems to me like this will not be +ready for a while, and we should just not worry about it yet. + +As long as I have BB_FEATURE_NFSMOUNT turned off, everything compiles cleanly +for me with linux2.4.0test1-ac22-riel (i.e. I don't see the freeramdisk.c +problem you reported). I use Debian potato (gcc 2.95.2, GNU libc 2.1.3). +Of course, as noted above, compiling != working. + ----------- * Make insmod actually work @@ -53,7 +79,8 @@ libc regex functions instead (as per the mailing list discussion): * tftp * ftp * group/commonize strings, remove dups (for i18n, l10n) -* consider making a unified option parser (if it can be done modular, small, etc.) +* consider making a unified option parser (if it can be done + modular, small, etc.) ----------------------- @@ -77,18 +104,6 @@ Most wanted list: Policy violation. getgroups uses libc nss, which is unlikely to be present in an embedded system. -To be replaced with a busybox local glob routine: - - [andersen@slag busybox]$ grep -l glob *.[ch] - gunzip.c - gzip.c - sh.c - tar.c - telnet.c - -Can check_wildcard_match() from utility.c do this job? - - ----------------------- Compile with debugging on, run 'nm --size-sort ./busybox'