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Bug: https://github.com/landley/toybox/issues/169
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Sadly, the compilers don't even catch this common mistake if you use
sscanf_s(3). Luckily, ASan does.
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directory. Downside: this modifies (distcleans) the source directory for
an out of tree build, but the alternative is (sometimes subtle) build breaks.
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The e2fsprogs chattr(1) returns failure when it fails to do what was
asked of it, and so should we. Fixing this then reveals a lot of issues
with the tests that were being accidentally swept under the carpet.
The bulk of this patch is going through all the tests, removing the
duplicates and making the remaining tests more thorough.
I've tested this on ext4 and f2fs on a variety of 4.x and 5.x kernel
versions (but nothing older). We might need to reduce the list of
attribtues we try to toggle, but the more thorough tests use
well-supported attributes.
I've also fixed the -R test to actually involve a directory hierarchy.
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Going to $ made draw_page render cursor to wrong line
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When chattr fails in production, it helps to see what it was trying to
do. Reuse the lsattr format but without the '-'s.
Only read the flags if we have any intention of changing them:
`chattr -p 123` has no reason to read the flags.
Only write the flags back if they actually change: `chattr +a`
shouldn't do anything if that flag is already set, for example.
Switch -p and -v to perror_msg() instead of perror_exit() in case
they're used with -R.
(I suspect that the uses of DIRTREE_ABORT are mistakes given -R, but
I'll leave them until I actually hit this.)
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Even GNU don't pretend they're still on 1970s terminals where ` and '
were a matching pair any more.
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Fixes make sh && ./sh -c 'toybox ls'
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Rewrite -v and -p to not use ad hoc argument parsing.
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Replaced dlist linelist with continuous memory blocks. This will allow
editing huge files without billion mallocs. File is first opened with
mmap() and mapped region is fully described in block_list as one block.
Currently "valid" data is described as slices, when first loading file
there is only one slice that points to memory existing in block_list.
When cutting text, block_list is not freed or modified, but instead
slice_list is modified to have "hole" between 2 slices. when inserting
new mem_block is added, previos slices are cut in cursor position and
new slice is added...
Added functions to handling data inside block_list+slice_list
insert_str(), cut_str() are used for all delete and add operations
text_strrchr(), text_strchr() are used for searching lineendings
text_byte(), text_codepoint(), text_getline() are for simple data access
Implemented: more or less all previous functionality
Implemented more proper file write:
file is saved to .swp, blocks are unloaded, file permissions are copied,
and atomic rename is called, block is reloaded
chmod some defaults(rw-rw-r--) if original file could not be fstat (does
not exist)
FIX make all tests pass
Removed: Some unused functions
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Fixed delete last word test. (script should not have \n since it is
cursor down in vim)
Added tests to check inserts
Added tests to check yank and push
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This only touches 24 of the 68 toys/posix/ files --- the others were
already canonical.
Potentially contentious, so worth stating explicitly, is that there
were 8 matches for "COMMAND..." amongst all existing help output,
with 7 matches for various inconsistent variants involving something
with "ARG", so I resolved that in favor of using "COMMAND..." (which
is also shorter overall, and avoids nested []s).
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Found by GCC 9:
toys/lsb/mount.c:188:22: warning: '%s' directive argument is null [-Wformat-overflow=]
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The tests now pass on all the systems available to me (cloud Android
with encrypted f2fs, current AOSP with regular f2fs, and current Debian
testing with ext4).
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Document all the attributes, and take less space doing so.
Switch to CAPITALS for user input in the synopses.
Don't imply that this is only for ext2 (but also don't try to list the
subset of file systems that do support which subset of attributes).
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Cope with all the extra flags added recently, and ignore random stuff
from the environment like extents and encryption.
Tested on a cloud Android emulator with f2fs.
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My previous attempt to fix this worked for ext-with-extents on the
desktop, but not for f2fs-with-encryption on cloud Android devices.
This feels quite a bit cleaner, and has the benefit of actually working
everywhere I've tried it.
I've also added perfunctory testing of -p too, which was missing before.
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(A git build takes it from "git describe".)
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makes those two remaining tests pass.
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I'm trying to switch Android over to toybox chattr/lsattr from
e2fsprogs. Remove those tests that relied on being able to use
chattr(1), remove the duplication that tested both a bare name and a
full path, take into account all the flags that lsattr can now output,
and cope with the fact that the exact flags you'll see depend on your
file system. (Unfortunately this means trusting lsattr in the lsattr
tests, which isn't ideal, but without a known environment I don't think
we can do any better.)
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Test file integrity after load, move, delete and save+exit. Drawing
of buffer is not tested yet.
Added -s script option, accept file that is run as startup script of
commands. File is parsed byte at time and handled as you had typed it.
If EOF has been reached without editor close command, editing is
continued normally using keyboard. This functionality is in vim and
neovim, but not in POSIX vi standard. nvi (vi used in some macs) has
-s with different meaning...
Some simple tests added, dw last line test fails, so test is disabled.
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The kernel script scripts/kconfig/merge_config.sh uses cp -T.
(Also sort the options into alphabetical order while adding -T, so that
eyeball binary search actually works when trying to find an option! Oddly,
they all show in reverse order because there's a bug in the help text
generator, but that's a problem for another day...)
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A 5.4 kernel returns EINVAL rather than ENOBUFS when you try to
configure an IPv6 address with the MTU set too small to support IPv6.
Rather than check for both errors, just check for generic failure for
now.
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Add support for setting projid in chattr, and dumping it in lsattr.
Also fix the lsattr output formatting, and undo my well-intentioned
sorting of the flags because that broke the ordering in the lsattr terse
output.
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Also update help to include flags that were already added. Remove
useless duplicative comments. Swich to FLAG macros.
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This isn't in POSIX, but Debian and macOS' cal(1)s both do this, and
it's annoying to have to run date(1) separately.
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