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This is a 15 year old freebsd extension (presumably thus also available on
MacOS) that glibc adopted in 2004, uClibc adopted in 2005, and bionic
supports. The only thing that DOESN'T support it is musl, once again
because its maintainer explicitly decided not to
(https://www.openwall.com/lists/musl/2013/01/15/26), so add an #ifdef
to let musl stay uniquely broken. (It'll stop at first NUL, everything
else can match NULs).
Finally fixes "s/x/y/g on a megabyte line of x's takes forever" issue.
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Don't strlen() to find NUL to skip to until after we've confirmed first
section hasn't got a match (by calling regexec() on it).
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leaking memory), and mod env command to test it.
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Inspired by some of the small patches that have gone by recently.
Limited to only things found in `generated/help.h`, plus a wider cleanup
for the more common "milisecond" typo.
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Used to construct SELinux policies in the AOSP build.
I left loopfiles_lines with its hard-coded '\n' because although cut(1)
also has a -z option, I can't find any case where it's used in any of
the codebases searchable by me. (And fmt(1), the other user, doesn't
even have the option.) YAGNI.
Bug: http://b/122744241
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bionic, glibc, macOS, and musl all have strcasestr
(see http://man7.org/linux/man-pages/man3/strstr.3.html).
macOS (via BSD) has a strnstr that does what strnstr sounds like it
should do by analogy with strnlen and strncpy.
So we at least need to rename strnstr, but it probably makes more sense
just to switch to strcasestr instead.
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xsignal() wraps sigaction() giving control of SA_RESTART behavior and such.
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(My apologies for mixing these two unrelated changes up.)
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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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Reuse create_uuid, but make it match the current RFC.
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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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stuff syslog.h does into lib.c and portability.h
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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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(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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