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Slightly tweaked version of Elliott's patch. We probably only need to do this
for groups (struct group * has a list of users that belong to it, but
struct passwd doesn't, getgrouplist() is separate) but keeping the code of
the two similar in case there's a way to merge them later.
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adjusting existing users.
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LTP uses `top -d 0.1`, which isn't convincingly useful, but general
support for other time units might be useful, and switching to xparsetime
addresses both at once.
Also fix 3169d948c049664bcf7216d4c4ae751881099d3e where I mistakenly
treated `rev` and `toys.optflags&FLAG_b` as interchangeable. (Without
this second fix, `top -b` looks fine but `top` is broken!)
Also fix xparsetime to reject input such as "monkey" or "1monkey".
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Reuse create_uuid, but make it match the current RFC.
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Note: ubuntu will show -m through a file, this treat that as error.
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clang is fine with the noreturn nature of error_exit, but only if we don't
`if (false)` it out for non-debug builds.
lib/args.c:304:18: error: variable 'temp' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
} else if (CFG_TOYBOX_FLOAT && new->type == '.') {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
external/toybox/generated/config.h:11:26: note: expanded from macro 'CFG_TOYBOX_FLOAT'
^
external/toybox/lib/args.c:308:19: note: uninitialized use occurs here
options = --temp;
^~~~
external/toybox/lib/args.c:304:14: note: remove the 'if' if its condition is always true
} else if (CFG_TOYBOX_FLOAT && new->type == '.') {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
external/toybox/lib/args.c:255:15: note: initialize the variable 'temp' to silence this warning
char *temp;
^
= NULL
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Found by the compiler, not me:
lib/lib.c:1053:30: warning: 'st2.st_dev' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) continue;
~~~^~~~~~~
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If we have a 15-byte name, we don't know whether comm actually matches
or is a truncated form of a longer name that has a common prefix.
For example, with "this-is-a-very-long-name-that-is-too-long", we shouldn't
match "this-is-a-very-" (but the old code would).
The cmdline code was also broken on Android because it used basename(3)
rather than getbasename. This doesn't affect glibc because there's a
workaround in portability.h to ensure that we get the non-POSIX basename(3)
with glibc but then a non-glibc section that ensures everyone else gets
POSIX basename(3). That should probably be removed (and maybe `basename`
poisoned) to prevent similar mistakes in future.
Bug: http://b/73123244
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Requires echo 0 $((1<<30)) > /proc/sys/net/ipv4/ping_group_range (as root)
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stuff syslog.h does into lib.c and portability.h
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terminates parsing of Config.in at first blank line. This is because
getdelim() in portability.c returns -1 whenever the line comprises only
a single linefeed character. Fixing this was a trivial change to two lines
(see below), and config2help now works on OS X but I haven't regression
tested this on any other commands which rely on getdelim()"
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Found running LTP file system tests on Android.
Bug: http://b/70627145
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Before:
toy: Unknown option p (See "toy --help")
After:
toy: Unknown option p (see "toy --help")
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of utf8 support (not finished yet)...
Adds new loopfiles_lines() wrapper to lib.c that calls do_lines from loopfiles.
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This avoids "xargs: exec echo: Argument list too long" errors in practice.
find(1) needs to be fixed too, but that's a bit more complicated and a working
xargs provides a workaround.
Bug: http://b/65818597
Test: find /proc | strace -f -e execve ./toybox xargs echo > /dev/null
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program to compare against libc output.
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scripts/*.c builds against lib.c but not linestack.c.
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or care about locale.
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(According to the git history I added "b" for "od" but the man page says 512
there too.)
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full help text, and put it back in the args constraint failures.
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Everyone forgets that mmap returns MAP_FAILED rather than NULL on failure.
Every use of mmap in toybox was either doing the wrong check, or no check
at all (including the two I personally added).
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See http://lists.busybox.net/pipermail/buildroot/2016-December/180102.html
for a full post-mortem on the project.
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and make uptime use it.
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Recent-ish clang doesn't like self-assignment. Google/Android code always
uses the [template-based moral equivalent of] __attribute__((__unused__))
to keep both compilers happy.
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I never use these, so I didn't notice I'd broken them until someone who
does bringup complained.
The "one weird trick" with SEEK_DATA is documented at the URL we already
point to. SEEK_DATA was added in Linux 3.1 (2011) and isn't available in
glibc 2.19 (2014), so I've added that to "portability.h" for the benefit
of Ubuntu 14.04.
Also make -c and -C mutually exclusive.
Also fix some of the formatting I introduced earlier. (A clang-format file
would help prevent these mistakes...)
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