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
26 * wget (or whatever I call it)
29 * group/commonize strings, remove dups (for i18n, l10n)
30 * consider making a unified option parser (if it can be done
33 -----------------------
35 Running the following:
37 rm -f busybox && make LDFLAGS+=-nostdlib 2>&1 | \
38 sed -ne 's/.*undefined reference to `\(.*\)..*/\1/gp' | sort | uniq
40 reveals the list of all external (i.e. libc) things that BusyBox depends on.
41 It would be a very nice thing to reduce this list to an absolute minimum, and
42 then create a microLibc to provide these functions. There is no good reason
43 for GNU libc to be so big. I'm sure it can be a lot better.
45 (BTW, this is more informative if BB_FEATURE_NFSMOUNT is turned off...)
49 [andersen@slag busybox]$ grep -l getgroups *.[ch]
52 Policy violation. getgroups uses libc nss, which is unlikely
53 to be present in an embedded system.
55 -----------------------
57 Compile with debugging on, run 'nm --size-sort ./busybox'
58 and then start with the biggest things and make them smaller...
60 -----------------------
63 I think that the add_inode &c in utility.c needs to also stow the
64 st_dev field, and that du.c should NOT call `reset_inode_list'
65 because there can be hard links from inside one argv/ to inside
66 another argv/. du.c probably ought to have an -x switch like GNU du
70 ------------------------------------------------------------------
72 An interesting email listing some apps that use /proc. BusyBox
73 tries to avoid /proc as mush as is possible, so this stuff is
74 interesting (to me at least):
77 Date: Fri, 25 Feb 2000 08:23:12 +0000 (GMT)
78 From: Riley Williams <rhw@MemAlpha.CX>
79 X-Sender: rhw@moo.cus.org.uk
80 To: almesber@lrc.di.epfl.ch
81 Cc: "Albert D. Cahalan" <acahalan@cs.uml.edu>,
82 Linux Kernel <linux-kernel@vger.rutgers.edu>
83 Subject: Re: What /proc should contain [was: /proc/driver/microcode]
84 In-Reply-To: <20000224165245.A29790@lrc.di.epfl.ch>
85 Message-ID: <Pine.LNX.4.21.0002250806220.8741-100000@moo.cus.org.uk>
86 Sender: owner-linux-kernel@vger.rutgers.edu
91 >> Nope, most /proc access is does via programs written in C.
93 > That varies a lot from file to file. E.g. I haven't seen any
94 > programs that are specificly designed to read /proc/atm/* yet,
95 > and I know of only one (fuser) that reads /proc/mounts,
96 > extracting only partial information (just to pick two examples
97 > that I'm quite familiar with).
99 As a point of reference, here's a slightly tweaked analysis of the
100 programs on the system I'm reading your mail on. Basically, I ran the
106 Q> strings $Z | grep /proc | sed "s=^=$Z ="
109 Q> use /{,s}bin/* /usr/{,s}bin/* | sort -u | tee proc-usage
111 ...and then went through it removing comments and print format
112 strings. Replace /proc with /dev and you'd soon have an equivalent
113 list for that - although I can report that such is MUCH larger...
115 There are three programs therein that refer to /proc/mounts ...
121 ...and, as you stated, none that refer to /proc/atm on this system.
122 However, as this is a RedHat Linux 5.0 based system, that's not
123 necessarily an up to date reference thereto...
125 Here's the list anyway...
127 /bin/kill /proc/%d/cmdline
128 /bin/kill /proc/%d/stat
130 /bin/mount /proc/devices
131 /bin/mount /proc/filesystems
132 /bin/mount /proc/mounts
134 /bin/netstat /proc/net
135 /bin/netstat /proc/net/appletalk
136 /bin/netstat /proc/net/ax25
137 /bin/netstat /proc/net/ax25_route
138 /bin/netstat /proc/net/dev
139 /bin/netstat /proc/net/ip_masquerade
140 /bin/netstat /proc/net/ipx
141 /bin/netstat /proc/net/ipx_route
142 /bin/netstat /proc/net/netstat
143 /bin/netstat /proc/net/nr
144 /bin/netstat /proc/net/nr_neigh
145 /bin/netstat /proc/net/nr_nodes
146 /bin/netstat /proc/net/raw
147 /bin/netstat /proc/net/route
148 /bin/netstat /proc/net/rt_cache
149 /bin/netstat /proc/net/snmp
150 /bin/netstat /proc/net/tcp
151 /bin/netstat /proc/net/udp
152 /bin/netstat /proc/net/unix
154 /bin/umount /proc/devices
155 /bin/umount /proc/mounts
157 /sbin/arp /proc/net/appletalk
158 /sbin/arp /proc/net/arp
159 /sbin/arp /proc/net/ax25
160 /sbin/arp /proc/net/ipx
161 /sbin/arp /proc/net/nr
162 /sbin/arp /proc/net/unix
164 /sbin/cardctl /proc/devices
166 /sbin/cardmgr /proc/devices
168 /sbin/fdisk /proc/ide/%s/media
169 /sbin/fdisk /proc/scsi/scsi
171 /sbin/getty /proc/version
173 /sbin/ifconfig /proc/net
174 /sbin/ifconfig /proc/net/appletalk
175 /sbin/ifconfig /proc/net/ax25
176 /sbin/ifconfig /proc/net/dev
177 /sbin/ifconfig /proc/net/ipx
178 /sbin/ifconfig /proc/net/nr
179 /sbin/ifconfig /proc/net/unix
181 /sbin/ifup /proc/sys/kernel/modprobe
183 /sbin/ipchains /proc/net/ip_fwchains
184 /sbin/ipchains /proc/net/ip_fwnames
185 /sbin/ipchains /proc/net/ip_masquerade
186 /sbin/ipchains /proc/sys/net/ipv4/ip_forward
188 /sbin/ipmaddr /proc/net/dev_mcast
189 /sbin/ipmaddr /proc/net/igmp
190 /sbin/ipmaddr /proc/net/igmp6
192 /sbin/iptunnel /proc/net/dev
194 /sbin/killall5 /proc/%s/cmdline
195 /sbin/killall5 /proc/%s/exe
196 /sbin/killall5 /proc/%s/stat
197 /sbin/killall5 /proc/version
199 /sbin/klogd /proc/kmsg
201 /sbin/lsmod /proc/modules
203 /sbin/modprobe /proc/modules
205 /sbin/pidof /proc/%s/cmdline
206 /sbin/pidof /proc/%s/exe
207 /sbin/pidof /proc/%s/stat
208 /sbin/pidof /proc/version
210 /sbin/probe /proc/pci
212 /sbin/rarp /proc/net/ax25
213 /sbin/rarp /proc/net/nr
214 /sbin/rarp /proc/net/rarp
216 /sbin/rmmod /proc/modules
218 /sbin/rmmod.static /proc/modules
220 /sbin/route /proc/net/appletalk
221 /sbin/route /proc/net/ax25
222 /sbin/route /proc/net/ax25_route
223 /sbin/route /proc/net/ipx
224 /sbin/route /proc/net/ipx_route
225 /sbin/route /proc/net/nr
226 /sbin/route /proc/net/nr_neigh
227 /sbin/route /proc/net/nr_nodes
228 /sbin/route /proc/net/route
229 /sbin/route /proc/net/rt_cache
230 /sbin/route /proc/net/unix
232 /sbin/scsi_info /proc/scsi
233 /sbin/scsi_info /proc/scsi/%s
234 /sbin/scsi_info /proc/scsi/scsi
236 /sbin/slattach /proc/net/ax25
237 /sbin/slattach /proc/net/nr
239 /sbin/swapoff /proc/swaps
241 /sbin/swapon /proc/swaps
243 /sbin/uugetty /proc/version
246 /usr/bin/dig /proc/interrupts
247 /usr/bin/dig /proc/meminfo
248 /usr/bin/dig /proc/rtc
249 /usr/bin/dig /proc/self/status
250 /usr/bin/dig /proc/stat
252 /usr/bin/dnsquery /proc/
253 /usr/bin/dnsquery /proc/interrupts
254 /usr/bin/dnsquery /proc/meminfo
255 /usr/bin/dnsquery /proc/rtc
256 /usr/bin/dnsquery /proc/self/status
257 /usr/bin/dnsquery /proc/stat
259 /usr/bin/eject /proc/mounts
261 /usr/bin/emacs /proc/loadavg
263 /usr/bin/fetchmail /proc/net/dev
265 /usr/bin/free /proc/meminfo
267 /usr/bin/gmake /proc/loadavg
269 /usr/bin/gpm-root /proc/loadavg
270 /usr/bin/gpm-root /proc/meminfo
273 /usr/bin/host /proc/interrupts
274 /usr/bin/host /proc/meminfo
275 /usr/bin/host /proc/rtc
276 /usr/bin/host /proc/self/status
277 /usr/bin/host /proc/stat
279 /usr/bin/hoststat /proc/loadavg
281 /usr/bin/hwdiag /proc/cpuinfo
282 /usr/bin/hwdiag /proc/pci
283 /usr/bin/hwdiag /proc/scsi/scsi
284 /usr/bin/hwdiag /proc/version
286 /usr/bin/lsdev /proc/dma
287 /usr/bin/lsdev /proc/interrupts
288 /usr/bin/lsdev /proc/ioports
290 /usr/bin/mailq /proc/loadavg
292 /usr/bin/make /proc/loadavg
294 /usr/bin/mcookie /proc/loadavg
295 /usr/bin/mcookie /proc/stat
297 /usr/bin/newaliases /proc/loadavg
299 /usr/bin/nslookup /proc/
300 /usr/bin/nslookup /proc/interrupts
301 /usr/bin/nslookup /proc/meminfo
302 /usr/bin/nslookup /proc/rtc
303 /usr/bin/nslookup /proc/self/status
304 /usr/bin/nslookup /proc/stat
306 /usr/bin/nsupdate /proc/
307 /usr/bin/nsupdate /proc/interrupts
308 /usr/bin/nsupdate /proc/meminfo
309 /usr/bin/nsupdate /proc/rtc
310 /usr/bin/nsupdate /proc/self/status
311 /usr/bin/nsupdate /proc/stat
313 /usr/bin/pgp /proc/version
314 /usr/bin/pgpe /proc/version
315 /usr/bin/pgpk /proc/version
316 /usr/bin/pgps /proc/version
317 /usr/bin/pgpv /proc/version
319 /usr/bin/procinfo /proc/cmdline
320 /usr/bin/procinfo /proc/devices
321 /usr/bin/procinfo /proc/dma
322 /usr/bin/procinfo /proc/filesystems
323 /usr/bin/procinfo /proc/interrupts
324 /usr/bin/procinfo /proc/loadavg
325 /usr/bin/procinfo /proc/meminfo
326 /usr/bin/procinfo /proc/modules
327 /usr/bin/procinfo /proc/stat
328 /usr/bin/procinfo /proc/uptime
329 /usr/bin/procinfo /proc/version
331 /usr/bin/purgestat /proc/loadavg
333 /usr/bin/screen /proc/loadavg
335 /usr/bin/strace /proc/%d/stat
337 /usr/bin/top /proc/cpuinfo
338 /usr/bin/top /proc/meminfo
339 /usr/bin/top /proc/stat
341 /usr/bin/vmstat /proc/%s/stat
342 /usr/bin/vmstat /proc/meminfo
343 /usr/bin/vmstat /proc/stat
345 /usr/sbin/atd /proc/loadavg
347 /usr/sbin/dnskeygen /proc/
348 /usr/sbin/dnskeygen /proc/interrupts
349 /usr/sbin/dnskeygen /proc/meminfo
350 /usr/sbin/dnskeygen /proc/rtc
351 /usr/sbin/dnskeygen /proc/self/status
352 /usr/sbin/dnskeygen /proc/stat
354 /usr/sbin/fuser /proc/%d/stat
355 /usr/sbin/fuser /proc/net/%s
356 /usr/sbin/fuser /proc/net/unix
358 /usr/sbin/in.identd /proc/net/tcp
360 /usr/sbin/irpd /proc/
361 /usr/sbin/irpd /proc/interrupts
362 /usr/sbin/irpd /proc/meminfo
363 /usr/sbin/irpd /proc/rtc
364 /usr/sbin/irpd /proc/self/status
365 /usr/sbin/irpd /proc/stat
367 /usr/sbin/named /proc/
368 /usr/sbin/named /proc/interrupts
369 /usr/sbin/named /proc/meminfo
370 /usr/sbin/named /proc/rtc
371 /usr/sbin/named /proc/self/status
372 /usr/sbin/named /proc/stat
374 /usr/sbin/named-xfer /proc/
375 /usr/sbin/named-xfer /proc/interrupts
376 /usr/sbin/named-xfer /proc/meminfo
377 /usr/sbin/named-xfer /proc/rtc
378 /usr/sbin/named-xfer /proc/self/status
379 /usr/sbin/named-xfer /proc/stat
381 /usr/sbin/readprofile /proc/profile
383 /usr/sbin/rwhod /proc/loadavg
384 /usr/sbin/rwhod /proc/uptime
386 /usr/sbin/sendmail /proc/loadavg
388 /usr/sbin/setconsole /proc/openprom/options
389 /usr/sbin/setconsole /proc/openprom/options/${console}-mode
390 /usr/sbin/setconsole /proc/openprom/options/input-device
391 /usr/sbin/setconsole /proc/openprom/options/output-device
393 Best wishes from Riley.
395 * Copyright (C) 1999, Memory Alpha Systems.
396 * All rights and wrongs reserved.
398 +----------------------------------------------------------------------+
399 | There is something frustrating about the quality and speed of Linux |
400 | development, ie., the quality is too high and the speed is too high, |
401 | in other words, I can implement this XXXX feature, but I bet someone |
402 | else has already done so and is just about to release their patch. |
403 +----------------------------------------------------------------------+
404 * http://www.memalpha.cx/Linux/Kernel/
408 To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
409 the body of a message to majordomo@vger.rutgers.edu
410 Please read the FAQ at http://www.tux.org/lkml/