X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=TODO;h=78f48fc014e3a200bfb11aba3334b01c24a25693;hb=2806b2368c41e78f02b60eff7b6f50932a2dc3fb;hp=80a37b3594bbbd08578df15fe4c4dc75bdb13e05;hpb=213cc0044543e69f9ca588781ffa567908a5b127;p=oweals%2Fbusybox.git diff --git a/TODO b/TODO index 80a37b359..78f48fc01 100644 --- a/TODO +++ b/TODO @@ -30,6 +30,11 @@ Rob Landley : Compression-side support. init General cleanup (should use ENABLE_FEATURE_INIT_SYSLOG and ENABLE_FEATURE_INIT_DEBUG). + depmod + busybox lacks a way to update module deps when running from firmware without the + use of the depmod.pl (perl is to bloated for most embedded setups) and or orig + modutils. The orig depmod is rather pointless to have to add to a firmware image + in when we already have a insmod/rmmod and friends. Unify base64 handling. There's base64 encoding and decoding going on in: networking/wget.c:base64enc() @@ -99,15 +104,33 @@ Rob Landley : initramfs Busybox should have a sample initramfs build script. This depends on bbsh, mdev, and switch_root. - - -Bernhard Fischer : - Makefile stuff: - make -j is broken, -j1 is forced atm + mkdep + Write a mkdep that doesn't segfault if there's a directory it doesn't + have permission to read, isn't based on manually editing the output of + lexx and yacc, doesn't make such a mess under include/config, etc. + Group globals into unions of structures. + Go through and turn all the global and static variables into structures, + and have all those structures be in a big union shared between processes, + so busybox uses less bss. (This is a big win on nommu machines.) See + sed.c and mdev.c for examples. + Go through bugs.busybox.net and close out all of that somehow. + This one's open to everybody, but I'll wind up doing it... + + +Bernhard Fischer suggests to look at these: New debug options: -Wlarger-than-127 + Cleanup any big users + -Wunused-parameter + Facilitate applet PROTOTYPES to provide means for having applets that + do a) not take any arguments b) need only one of argc or argv c) need + both argc and argv. All of these three options should go for the most + feature complete denominator. Collate BUFSIZ IOBUF_SIZE MY_BUF_SIZE PIPE_PROGRESS_SIZE BUFSIZE PIPESIZE - Use bb_common_bufsiz1? + make bb_common_bufsiz1 configurable, size wise. + make pipesize configurable, size wise. + Use bb_common_bufsiz1 throughout applets! + Add chrt applet. Please CC Bernhard if you suggest a patch. As yet unclaimed: @@ -119,10 +142,10 @@ diff Make sure we handle empty files properly: From the patch man page: -   you can remove a file by sending out a context diff that compares -   the file to be deleted with an empty file dated the Epoch.  The -   file will be removed unless patch is conforming to POSIX and the -   -E or --remove-empty-files option is not given. + you can remove a file by sending out a context diff that compares + the file to be deleted with an empty file dated the Epoch. The + file will be removed unless patch is conforming to POSIX and the + -E or --remove-empty-files option is not given. --- patch Should have simple fuzz factor support to apply patches at an offset which @@ -141,9 +164,15 @@ man --- ar Write support? ---- -crond - turn FEATURE_DEBUG_OPT into ENABLE_FEATURE_CROND_DEBUG_OPT +---- +stty / catv + stty's visible() function and catv's guts are identical. Merge them into + an appropriate libbb function. +---- +struct suffix_mult + Several duplicate users of: grep -r "1024\*1024" * -B2 -A1 + Merge to a single size_suffixes[] in libbb. + Users: head tail od_bloaty hexdump and (partially as it wouldn't hurt) svlogd Architectural issues: @@ -179,7 +208,7 @@ Memory Allocation allocation on the stack or the heap. Unfortunately, we're not using it much. We need to audit our memory allocations and turn a lot of malloc/free calls into RESERVE_CONFIG_BUFFER/RELEASE_CONFIG_BUFFER. - For a start, see e.g. make CFLAGS_EXTRA=-Wlarger-than-64 + For a start, see e.g. make EXTRA_CFLAGS=-Wlarger-than-64 And while we're at it, many of the CONFIG_FEATURE_CLEAN_UP #ifdefs will be optimized out by the compiler in the stack allocation case (since there's no @@ -239,7 +268,7 @@ FEATURE_CLEAN_UP jumps out of the normal flow control and bypasses any cleanup code we put at the end of our applets. - It's possible to add hooks to libbb functions like xmalloc() and bb_xopen() + It's possible to add hooks to libbb functions like xmalloc() and xopen() to add their entries to a linked list, which could be traversed and freed/closed automatically. (This would need to be able to free just the entries after a checkpoint to be usable for a forkless standalone shell. @@ -272,6 +301,8 @@ Minor stuff: --- possible code duplication ingroup() and is_a_group_member() --- + Move __get_hz() to a better place and (re)use it in route.c, ash.c, msh.c +--- Code cleanup: @@ -284,4 +315,3 @@ sigblock(), siggetmask(), sigsetmask(), sigmask() -> sigprocmask et al --- vdprintf() -> similar sized functionality --- -