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.
25 * group/commonize strings, remove dups (for i18n, l10n)
27 -----------------------
29 Running the following:
31 rm -f busybox && make LDFLAGS+=-nostdlib 2>&1 | \
32 sed -ne 's/.*undefined reference to `\(.*\)..*/\1/gp' | sort | uniq
34 reveals the list of all external (i.e. libc) things that BusyBox depends on.
35 It would be a very nice thing to reduce this list to an absolute minimum, and
36 then create a microLibc to provide these functions. There is no good reason
37 for GNU libc to be so big. I'm sure it can be a lot better.
39 (BTW, this is more informative if BB_FEATURE_NFSMOUNT is turned off...)
43 [andersen@slag busybox]$ grep -l getgroups *.[ch]
46 Policy violation. getgroups uses libc nss, which is unlikely
47 to be present in an embedded system.
49 -----------------------
51 Compile with debugging on, run 'nm --size-sort ./busybox'
52 and then start with the biggest things and make them smaller...
54 -----------------------
57 I think that the add_inode &c in utility.c needs to also stow the
58 st_dev field, and that du.c should NOT call `reset_inode_list'
59 because there can be hard links from inside one argv/ to inside
60 another argv/. du.c probably ought to have an -x switch like GNU du
64 ------------------------------------------------------------------
66 An interesting email listing some apps that use /proc. BusyBox
67 tries to avoid /proc as mush as is possible, so this stuff is
68 interesting (to me at least):
71 Date: Fri, 25 Feb 2000 08:23:12 +0000 (GMT)
72 From: Riley Williams <rhw@MemAlpha.CX>
73 X-Sender: rhw@moo.cus.org.uk
74 To: almesber@lrc.di.epfl.ch
75 Cc: "Albert D. Cahalan" <acahalan@cs.uml.edu>,
76 Linux Kernel <linux-kernel@vger.rutgers.edu>
77 Subject: Re: What /proc should contain [was: /proc/driver/microcode]
78 In-Reply-To: <20000224165245.A29790@lrc.di.epfl.ch>
79 Message-ID: <Pine.LNX.4.21.0002250806220.8741-100000@moo.cus.org.uk>
80 Sender: owner-linux-kernel@vger.rutgers.edu
85 >> Nope, most /proc access is does via programs written in C.
87 > That varies a lot from file to file. E.g. I haven't seen any
88 > programs that are specificly designed to read /proc/atm/* yet,
89 > and I know of only one (fuser) that reads /proc/mounts,
90 > extracting only partial information (just to pick two examples
91 > that I'm quite familiar with).
93 As a point of reference, here's a slightly tweaked analysis of the
94 programs on the system I'm reading your mail on. Basically, I ran the
100 Q> strings $Z | grep /proc | sed "s=^=$Z ="
103 Q> use /{,s}bin/* /usr/{,s}bin/* | sort -u | tee proc-usage
105 ...and then went through it removing comments and print format
106 strings. Replace /proc with /dev and you'd soon have an equivalent
107 list for that - although I can report that such is MUCH larger...
109 There are three programs therein that refer to /proc/mounts ...
115 ...and, as you stated, none that refer to /proc/atm on this system.
116 However, as this is a RedHat Linux 5.0 based system, that's not
117 necessarily an up to date reference thereto...
119 Here's the list anyway...
121 /bin/kill /proc/%d/cmdline
122 /bin/kill /proc/%d/stat
124 /bin/mount /proc/devices
125 /bin/mount /proc/filesystems
126 /bin/mount /proc/mounts
128 /bin/netstat /proc/net
129 /bin/netstat /proc/net/appletalk
130 /bin/netstat /proc/net/ax25
131 /bin/netstat /proc/net/ax25_route
132 /bin/netstat /proc/net/dev
133 /bin/netstat /proc/net/ip_masquerade
134 /bin/netstat /proc/net/ipx
135 /bin/netstat /proc/net/ipx_route
136 /bin/netstat /proc/net/netstat
137 /bin/netstat /proc/net/nr
138 /bin/netstat /proc/net/nr_neigh
139 /bin/netstat /proc/net/nr_nodes
140 /bin/netstat /proc/net/raw
141 /bin/netstat /proc/net/route
142 /bin/netstat /proc/net/rt_cache
143 /bin/netstat /proc/net/snmp
144 /bin/netstat /proc/net/tcp
145 /bin/netstat /proc/net/udp
146 /bin/netstat /proc/net/unix
148 /bin/umount /proc/devices
149 /bin/umount /proc/mounts
151 /sbin/arp /proc/net/appletalk
152 /sbin/arp /proc/net/arp
153 /sbin/arp /proc/net/ax25
154 /sbin/arp /proc/net/ipx
155 /sbin/arp /proc/net/nr
156 /sbin/arp /proc/net/unix
158 /sbin/cardctl /proc/devices
160 /sbin/cardmgr /proc/devices
162 /sbin/fdisk /proc/ide/%s/media
163 /sbin/fdisk /proc/scsi/scsi
165 /sbin/getty /proc/version
167 /sbin/ifconfig /proc/net
168 /sbin/ifconfig /proc/net/appletalk
169 /sbin/ifconfig /proc/net/ax25
170 /sbin/ifconfig /proc/net/dev
171 /sbin/ifconfig /proc/net/ipx
172 /sbin/ifconfig /proc/net/nr
173 /sbin/ifconfig /proc/net/unix
175 /sbin/ifup /proc/sys/kernel/modprobe
177 /sbin/ipchains /proc/net/ip_fwchains
178 /sbin/ipchains /proc/net/ip_fwnames
179 /sbin/ipchains /proc/net/ip_masquerade
180 /sbin/ipchains /proc/sys/net/ipv4/ip_forward
182 /sbin/ipmaddr /proc/net/dev_mcast
183 /sbin/ipmaddr /proc/net/igmp
184 /sbin/ipmaddr /proc/net/igmp6
186 /sbin/iptunnel /proc/net/dev
188 /sbin/killall5 /proc/%s/cmdline
189 /sbin/killall5 /proc/%s/exe
190 /sbin/killall5 /proc/%s/stat
191 /sbin/killall5 /proc/version
193 /sbin/klogd /proc/kmsg
195 /sbin/lsmod /proc/modules
197 /sbin/modprobe /proc/modules
199 /sbin/pidof /proc/%s/cmdline
200 /sbin/pidof /proc/%s/exe
201 /sbin/pidof /proc/%s/stat
202 /sbin/pidof /proc/version
204 /sbin/probe /proc/pci
206 /sbin/rarp /proc/net/ax25
207 /sbin/rarp /proc/net/nr
208 /sbin/rarp /proc/net/rarp
210 /sbin/rmmod /proc/modules
212 /sbin/rmmod.static /proc/modules
214 /sbin/route /proc/net/appletalk
215 /sbin/route /proc/net/ax25
216 /sbin/route /proc/net/ax25_route
217 /sbin/route /proc/net/ipx
218 /sbin/route /proc/net/ipx_route
219 /sbin/route /proc/net/nr
220 /sbin/route /proc/net/nr_neigh
221 /sbin/route /proc/net/nr_nodes
222 /sbin/route /proc/net/route
223 /sbin/route /proc/net/rt_cache
224 /sbin/route /proc/net/unix
226 /sbin/scsi_info /proc/scsi
227 /sbin/scsi_info /proc/scsi/%s
228 /sbin/scsi_info /proc/scsi/scsi
230 /sbin/slattach /proc/net/ax25
231 /sbin/slattach /proc/net/nr
233 /sbin/swapoff /proc/swaps
235 /sbin/swapon /proc/swaps
237 /sbin/uugetty /proc/version
240 /usr/bin/dig /proc/interrupts
241 /usr/bin/dig /proc/meminfo
242 /usr/bin/dig /proc/rtc
243 /usr/bin/dig /proc/self/status
244 /usr/bin/dig /proc/stat
246 /usr/bin/dnsquery /proc/
247 /usr/bin/dnsquery /proc/interrupts
248 /usr/bin/dnsquery /proc/meminfo
249 /usr/bin/dnsquery /proc/rtc
250 /usr/bin/dnsquery /proc/self/status
251 /usr/bin/dnsquery /proc/stat
253 /usr/bin/eject /proc/mounts
255 /usr/bin/emacs /proc/loadavg
257 /usr/bin/fetchmail /proc/net/dev
259 /usr/bin/free /proc/meminfo
261 /usr/bin/gmake /proc/loadavg
263 /usr/bin/gpm-root /proc/loadavg
264 /usr/bin/gpm-root /proc/meminfo
267 /usr/bin/host /proc/interrupts
268 /usr/bin/host /proc/meminfo
269 /usr/bin/host /proc/rtc
270 /usr/bin/host /proc/self/status
271 /usr/bin/host /proc/stat
273 /usr/bin/hoststat /proc/loadavg
275 /usr/bin/hwdiag /proc/cpuinfo
276 /usr/bin/hwdiag /proc/pci
277 /usr/bin/hwdiag /proc/scsi/scsi
278 /usr/bin/hwdiag /proc/version
280 /usr/bin/lsdev /proc/dma
281 /usr/bin/lsdev /proc/interrupts
282 /usr/bin/lsdev /proc/ioports
284 /usr/bin/mailq /proc/loadavg
286 /usr/bin/make /proc/loadavg
288 /usr/bin/mcookie /proc/loadavg
289 /usr/bin/mcookie /proc/stat
291 /usr/bin/newaliases /proc/loadavg
293 /usr/bin/nslookup /proc/
294 /usr/bin/nslookup /proc/interrupts
295 /usr/bin/nslookup /proc/meminfo
296 /usr/bin/nslookup /proc/rtc
297 /usr/bin/nslookup /proc/self/status
298 /usr/bin/nslookup /proc/stat
300 /usr/bin/nsupdate /proc/
301 /usr/bin/nsupdate /proc/interrupts
302 /usr/bin/nsupdate /proc/meminfo
303 /usr/bin/nsupdate /proc/rtc
304 /usr/bin/nsupdate /proc/self/status
305 /usr/bin/nsupdate /proc/stat
307 /usr/bin/pgp /proc/version
308 /usr/bin/pgpe /proc/version
309 /usr/bin/pgpk /proc/version
310 /usr/bin/pgps /proc/version
311 /usr/bin/pgpv /proc/version
313 /usr/bin/procinfo /proc/cmdline
314 /usr/bin/procinfo /proc/devices
315 /usr/bin/procinfo /proc/dma
316 /usr/bin/procinfo /proc/filesystems
317 /usr/bin/procinfo /proc/interrupts
318 /usr/bin/procinfo /proc/loadavg
319 /usr/bin/procinfo /proc/meminfo
320 /usr/bin/procinfo /proc/modules
321 /usr/bin/procinfo /proc/stat
322 /usr/bin/procinfo /proc/uptime
323 /usr/bin/procinfo /proc/version
325 /usr/bin/purgestat /proc/loadavg
327 /usr/bin/screen /proc/loadavg
329 /usr/bin/strace /proc/%d/stat
331 /usr/bin/top /proc/cpuinfo
332 /usr/bin/top /proc/meminfo
333 /usr/bin/top /proc/stat
335 /usr/bin/vmstat /proc/%s/stat
336 /usr/bin/vmstat /proc/meminfo
337 /usr/bin/vmstat /proc/stat
339 /usr/sbin/atd /proc/loadavg
341 /usr/sbin/dnskeygen /proc/
342 /usr/sbin/dnskeygen /proc/interrupts
343 /usr/sbin/dnskeygen /proc/meminfo
344 /usr/sbin/dnskeygen /proc/rtc
345 /usr/sbin/dnskeygen /proc/self/status
346 /usr/sbin/dnskeygen /proc/stat
348 /usr/sbin/fuser /proc/%d/stat
349 /usr/sbin/fuser /proc/net/%s
350 /usr/sbin/fuser /proc/net/unix
352 /usr/sbin/in.identd /proc/net/tcp
354 /usr/sbin/irpd /proc/
355 /usr/sbin/irpd /proc/interrupts
356 /usr/sbin/irpd /proc/meminfo
357 /usr/sbin/irpd /proc/rtc
358 /usr/sbin/irpd /proc/self/status
359 /usr/sbin/irpd /proc/stat
361 /usr/sbin/named /proc/
362 /usr/sbin/named /proc/interrupts
363 /usr/sbin/named /proc/meminfo
364 /usr/sbin/named /proc/rtc
365 /usr/sbin/named /proc/self/status
366 /usr/sbin/named /proc/stat
368 /usr/sbin/named-xfer /proc/
369 /usr/sbin/named-xfer /proc/interrupts
370 /usr/sbin/named-xfer /proc/meminfo
371 /usr/sbin/named-xfer /proc/rtc
372 /usr/sbin/named-xfer /proc/self/status
373 /usr/sbin/named-xfer /proc/stat
375 /usr/sbin/readprofile /proc/profile
377 /usr/sbin/rwhod /proc/loadavg
378 /usr/sbin/rwhod /proc/uptime
380 /usr/sbin/sendmail /proc/loadavg
382 /usr/sbin/setconsole /proc/openprom/options
383 /usr/sbin/setconsole /proc/openprom/options/${console}-mode
384 /usr/sbin/setconsole /proc/openprom/options/input-device
385 /usr/sbin/setconsole /proc/openprom/options/output-device
387 Best wishes from Riley.
389 * Copyright (C) 1999, Memory Alpha Systems.
390 * All rights and wrongs reserved.
392 +----------------------------------------------------------------------+
393 | There is something frustrating about the quality and speed of Linux |
394 | development, ie., the quality is too high and the speed is too high, |
395 | in other words, I can implement this XXXX feature, but I bet someone |
396 | else has already done so and is just about to release their patch. |
397 +----------------------------------------------------------------------+
398 * http://www.memalpha.cx/Linux/Kernel/
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