1 TODO list for busybox in no particular order. Just because something
2 is listed here doesn't mean that it is going to be added to busybox,
3 or that doing so is even a good idea. It just means that I _might_ get
4 around to it some time. If you have any good ideas, please let me know.
6 * login/sulogin/passwd/getty/etc are part of tinylogin, and so are not
7 needed or wanted in busybox (or else I'd have to link to libcrypt).
9 * Networking apps are probably going to be split out some time soon into a
10 separate package (named perhaps netkit-tiny?). This would remove the
11 following items from BusyBox: hostid, hostname, nc, nslookup, telnet,
12 and ping. nfs mounting and syslogd (when it supports network logging)
13 will remain in BusyBox.
19 * Make insmod actually work
25 * wget (or whatever I call it)
28 * group/commonize strings, remove dups (for i18n, l10n)
29 * consider making a unified option parser (if it can be done
32 -----------------------
34 Running the following:
36 rm -f busybox && make LDFLAGS+=-nostdlib 2>&1 | \
37 sed -ne 's/.*undefined reference to `\(.*\)..*/\1/gp' | sort | uniq
39 reveals the list of all external (i.e. libc) things that BusyBox depends on.
40 It would be a very nice thing to reduce this list to an absolute minimum, and
41 then create a microLibc to provide these functions. There is no good reason
42 for GNU libc to be so big. I'm sure it can be a lot better.
44 (BTW, this is more informative if BB_FEATURE_NFSMOUNT is turned off...)
48 [andersen@slag busybox]$ grep -l getgroups *.[ch]
51 Policy violation. getgroups uses libc nss, which is unlikely
52 to be present in an embedded system.
54 -----------------------
56 Compile with debugging on, run 'nm --size-sort ./busybox'
57 and then start with the biggest things and make them smaller...
59 -----------------------
62 I think that the add_inode &c in utility.c needs to also stow the
63 st_dev field, and that du.c should NOT call `reset_inode_list'
64 because there can be hard links from inside one argv/ to inside
65 another argv/. du.c probably ought to have an -x switch like GNU du
69 ------------------------------------------------------------------
71 An interesting email listing some apps that use /proc. BusyBox
72 tries to avoid /proc as mush as is possible, so this stuff is
73 interesting (to me at least):
76 Date: Fri, 25 Feb 2000 08:23:12 +0000 (GMT)
77 From: Riley Williams <rhw@MemAlpha.CX>
78 X-Sender: rhw@moo.cus.org.uk
79 To: almesber@lrc.di.epfl.ch
80 Cc: "Albert D. Cahalan" <acahalan@cs.uml.edu>,
81 Linux Kernel <linux-kernel@vger.rutgers.edu>
82 Subject: Re: What /proc should contain [was: /proc/driver/microcode]
83 In-Reply-To: <20000224165245.A29790@lrc.di.epfl.ch>
84 Message-ID: <Pine.LNX.4.21.0002250806220.8741-100000@moo.cus.org.uk>
85 Sender: owner-linux-kernel@vger.rutgers.edu
90 >> Nope, most /proc access is does via programs written in C.
92 > That varies a lot from file to file. E.g. I haven't seen any
93 > programs that are specificly designed to read /proc/atm/* yet,
94 > and I know of only one (fuser) that reads /proc/mounts,
95 > extracting only partial information (just to pick two examples
96 > that I'm quite familiar with).
98 As a point of reference, here's a slightly tweaked analysis of the
99 programs on the system I'm reading your mail on. Basically, I ran the
105 Q> strings $Z | grep /proc | sed "s=^=$Z ="
108 Q> use /{,s}bin/* /usr/{,s}bin/* | sort -u | tee proc-usage
110 ...and then went through it removing comments and print format
111 strings. Replace /proc with /dev and you'd soon have an equivalent
112 list for that - although I can report that such is MUCH larger...
114 There are three programs therein that refer to /proc/mounts ...
120 ...and, as you stated, none that refer to /proc/atm on this system.
121 However, as this is a RedHat Linux 5.0 based system, that's not
122 necessarily an up to date reference thereto...
124 Here's the list anyway...
126 /bin/kill /proc/%d/cmdline
127 /bin/kill /proc/%d/stat
129 /bin/mount /proc/devices
130 /bin/mount /proc/filesystems
131 /bin/mount /proc/mounts
133 /bin/netstat /proc/net
134 /bin/netstat /proc/net/appletalk
135 /bin/netstat /proc/net/ax25
136 /bin/netstat /proc/net/ax25_route
137 /bin/netstat /proc/net/dev
138 /bin/netstat /proc/net/ip_masquerade
139 /bin/netstat /proc/net/ipx
140 /bin/netstat /proc/net/ipx_route
141 /bin/netstat /proc/net/netstat
142 /bin/netstat /proc/net/nr
143 /bin/netstat /proc/net/nr_neigh
144 /bin/netstat /proc/net/nr_nodes
145 /bin/netstat /proc/net/raw
146 /bin/netstat /proc/net/route
147 /bin/netstat /proc/net/rt_cache
148 /bin/netstat /proc/net/snmp
149 /bin/netstat /proc/net/tcp
150 /bin/netstat /proc/net/udp
151 /bin/netstat /proc/net/unix
153 /bin/umount /proc/devices
154 /bin/umount /proc/mounts
156 /sbin/arp /proc/net/appletalk
157 /sbin/arp /proc/net/arp
158 /sbin/arp /proc/net/ax25
159 /sbin/arp /proc/net/ipx
160 /sbin/arp /proc/net/nr
161 /sbin/arp /proc/net/unix
163 /sbin/cardctl /proc/devices
165 /sbin/cardmgr /proc/devices
167 /sbin/fdisk /proc/ide/%s/media
168 /sbin/fdisk /proc/scsi/scsi
170 /sbin/getty /proc/version
172 /sbin/ifconfig /proc/net
173 /sbin/ifconfig /proc/net/appletalk
174 /sbin/ifconfig /proc/net/ax25
175 /sbin/ifconfig /proc/net/dev
176 /sbin/ifconfig /proc/net/ipx
177 /sbin/ifconfig /proc/net/nr
178 /sbin/ifconfig /proc/net/unix
180 /sbin/ifup /proc/sys/kernel/modprobe
182 /sbin/ipchains /proc/net/ip_fwchains
183 /sbin/ipchains /proc/net/ip_fwnames
184 /sbin/ipchains /proc/net/ip_masquerade
185 /sbin/ipchains /proc/sys/net/ipv4/ip_forward
187 /sbin/ipmaddr /proc/net/dev_mcast
188 /sbin/ipmaddr /proc/net/igmp
189 /sbin/ipmaddr /proc/net/igmp6
191 /sbin/iptunnel /proc/net/dev
193 /sbin/killall5 /proc/%s/cmdline
194 /sbin/killall5 /proc/%s/exe
195 /sbin/killall5 /proc/%s/stat
196 /sbin/killall5 /proc/version
198 /sbin/klogd /proc/kmsg
200 /sbin/lsmod /proc/modules
202 /sbin/modprobe /proc/modules
204 /sbin/pidof /proc/%s/cmdline
205 /sbin/pidof /proc/%s/exe
206 /sbin/pidof /proc/%s/stat
207 /sbin/pidof /proc/version
209 /sbin/probe /proc/pci
211 /sbin/rarp /proc/net/ax25
212 /sbin/rarp /proc/net/nr
213 /sbin/rarp /proc/net/rarp
215 /sbin/rmmod /proc/modules
217 /sbin/rmmod.static /proc/modules
219 /sbin/route /proc/net/appletalk
220 /sbin/route /proc/net/ax25
221 /sbin/route /proc/net/ax25_route
222 /sbin/route /proc/net/ipx
223 /sbin/route /proc/net/ipx_route
224 /sbin/route /proc/net/nr
225 /sbin/route /proc/net/nr_neigh
226 /sbin/route /proc/net/nr_nodes
227 /sbin/route /proc/net/route
228 /sbin/route /proc/net/rt_cache
229 /sbin/route /proc/net/unix
231 /sbin/scsi_info /proc/scsi
232 /sbin/scsi_info /proc/scsi/%s
233 /sbin/scsi_info /proc/scsi/scsi
235 /sbin/slattach /proc/net/ax25
236 /sbin/slattach /proc/net/nr
238 /sbin/swapoff /proc/swaps
240 /sbin/swapon /proc/swaps
242 /sbin/uugetty /proc/version
245 /usr/bin/dig /proc/interrupts
246 /usr/bin/dig /proc/meminfo
247 /usr/bin/dig /proc/rtc
248 /usr/bin/dig /proc/self/status
249 /usr/bin/dig /proc/stat
251 /usr/bin/dnsquery /proc/
252 /usr/bin/dnsquery /proc/interrupts
253 /usr/bin/dnsquery /proc/meminfo
254 /usr/bin/dnsquery /proc/rtc
255 /usr/bin/dnsquery /proc/self/status
256 /usr/bin/dnsquery /proc/stat
258 /usr/bin/eject /proc/mounts
260 /usr/bin/emacs /proc/loadavg
262 /usr/bin/fetchmail /proc/net/dev
264 /usr/bin/free /proc/meminfo
266 /usr/bin/gmake /proc/loadavg
268 /usr/bin/gpm-root /proc/loadavg
269 /usr/bin/gpm-root /proc/meminfo
272 /usr/bin/host /proc/interrupts
273 /usr/bin/host /proc/meminfo
274 /usr/bin/host /proc/rtc
275 /usr/bin/host /proc/self/status
276 /usr/bin/host /proc/stat
278 /usr/bin/hoststat /proc/loadavg
280 /usr/bin/hwdiag /proc/cpuinfo
281 /usr/bin/hwdiag /proc/pci
282 /usr/bin/hwdiag /proc/scsi/scsi
283 /usr/bin/hwdiag /proc/version
285 /usr/bin/lsdev /proc/dma
286 /usr/bin/lsdev /proc/interrupts
287 /usr/bin/lsdev /proc/ioports
289 /usr/bin/mailq /proc/loadavg
291 /usr/bin/make /proc/loadavg
293 /usr/bin/mcookie /proc/loadavg
294 /usr/bin/mcookie /proc/stat
296 /usr/bin/newaliases /proc/loadavg
298 /usr/bin/nslookup /proc/
299 /usr/bin/nslookup /proc/interrupts
300 /usr/bin/nslookup /proc/meminfo
301 /usr/bin/nslookup /proc/rtc
302 /usr/bin/nslookup /proc/self/status
303 /usr/bin/nslookup /proc/stat
305 /usr/bin/nsupdate /proc/
306 /usr/bin/nsupdate /proc/interrupts
307 /usr/bin/nsupdate /proc/meminfo
308 /usr/bin/nsupdate /proc/rtc
309 /usr/bin/nsupdate /proc/self/status
310 /usr/bin/nsupdate /proc/stat
312 /usr/bin/pgp /proc/version
313 /usr/bin/pgpe /proc/version
314 /usr/bin/pgpk /proc/version
315 /usr/bin/pgps /proc/version
316 /usr/bin/pgpv /proc/version
318 /usr/bin/procinfo /proc/cmdline
319 /usr/bin/procinfo /proc/devices
320 /usr/bin/procinfo /proc/dma
321 /usr/bin/procinfo /proc/filesystems
322 /usr/bin/procinfo /proc/interrupts
323 /usr/bin/procinfo /proc/loadavg
324 /usr/bin/procinfo /proc/meminfo
325 /usr/bin/procinfo /proc/modules
326 /usr/bin/procinfo /proc/stat
327 /usr/bin/procinfo /proc/uptime
328 /usr/bin/procinfo /proc/version
330 /usr/bin/purgestat /proc/loadavg
332 /usr/bin/screen /proc/loadavg
334 /usr/bin/strace /proc/%d/stat
336 /usr/bin/top /proc/cpuinfo
337 /usr/bin/top /proc/meminfo
338 /usr/bin/top /proc/stat
340 /usr/bin/vmstat /proc/%s/stat
341 /usr/bin/vmstat /proc/meminfo
342 /usr/bin/vmstat /proc/stat
344 /usr/sbin/atd /proc/loadavg
346 /usr/sbin/dnskeygen /proc/
347 /usr/sbin/dnskeygen /proc/interrupts
348 /usr/sbin/dnskeygen /proc/meminfo
349 /usr/sbin/dnskeygen /proc/rtc
350 /usr/sbin/dnskeygen /proc/self/status
351 /usr/sbin/dnskeygen /proc/stat
353 /usr/sbin/fuser /proc/%d/stat
354 /usr/sbin/fuser /proc/net/%s
355 /usr/sbin/fuser /proc/net/unix
357 /usr/sbin/in.identd /proc/net/tcp
359 /usr/sbin/irpd /proc/
360 /usr/sbin/irpd /proc/interrupts
361 /usr/sbin/irpd /proc/meminfo
362 /usr/sbin/irpd /proc/rtc
363 /usr/sbin/irpd /proc/self/status
364 /usr/sbin/irpd /proc/stat
366 /usr/sbin/named /proc/
367 /usr/sbin/named /proc/interrupts
368 /usr/sbin/named /proc/meminfo
369 /usr/sbin/named /proc/rtc
370 /usr/sbin/named /proc/self/status
371 /usr/sbin/named /proc/stat
373 /usr/sbin/named-xfer /proc/
374 /usr/sbin/named-xfer /proc/interrupts
375 /usr/sbin/named-xfer /proc/meminfo
376 /usr/sbin/named-xfer /proc/rtc
377 /usr/sbin/named-xfer /proc/self/status
378 /usr/sbin/named-xfer /proc/stat
380 /usr/sbin/readprofile /proc/profile
382 /usr/sbin/rwhod /proc/loadavg
383 /usr/sbin/rwhod /proc/uptime
385 /usr/sbin/sendmail /proc/loadavg
387 /usr/sbin/setconsole /proc/openprom/options
388 /usr/sbin/setconsole /proc/openprom/options/${console}-mode
389 /usr/sbin/setconsole /proc/openprom/options/input-device
390 /usr/sbin/setconsole /proc/openprom/options/output-device
392 Best wishes from Riley.
394 * Copyright (C) 1999, Memory Alpha Systems.
395 * All rights and wrongs reserved.
397 +----------------------------------------------------------------------+
398 | There is something frustrating about the quality and speed of Linux |
399 | development, ie., the quality is too high and the speed is too high, |
400 | in other words, I can implement this XXXX feature, but I bet someone |
401 | else has already done so and is just about to release their patch. |
402 +----------------------------------------------------------------------+
403 * http://www.memalpha.cx/Linux/Kernel/
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