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adjusting existing users.
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Say "toybox" before version string. Tweak sed to preserve lie-to-autoconf.
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Or more accurately, s@[[:space:]@]@replace@ which can't treat the @ in
[] as a delimiter but has to know about nested [[]] to make that decision.
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add xopenro() that takes one argument and understands "-" means stdin,
and switch over lots of users.
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effect of "sed -e 'a\'" with no trailing line). But there's an actual user,
and it's not hard to implement, and it's not hard to implement, and there
isn't an obvious _other_ way to do it, so add the behavior and a test for it.
Fix some bad/missing comments while I was there, and add a couple TODOs.
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Found by afl-fuzz.
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It uses a sed expression that assumes you can escape - to use it as a literal
(you can't, it has to be first or last char of the range), and assumes
you have to escape delimiters in sed [] context (you don't), and/or that
non-printf escapes become the literal character (they don't, the backslash
is preserved as a literal), meaning it winds up doing "s/[\-\]//" which is
a length 1 range, which is officially undefined behavior according to posix,
and regcomp errors out.
But if we don't accept it (like other implementations do) the perl build
breaks. So collapse [A-A] into just [A].
Testcae taken from perl 5.22.0 file Makefile.SH line 8.
(While we're at it, remove an unused argument from a function.)
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clang scan-build flags up this line as being unread, so clearing from code.
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an extra newline because the test for whether we have an existing string to
append a newline to was checking if struct step had data appended to it,
and the /x/ regex is data appended to it. Change test to check for null
terminator at ->arg1 offset.
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(If a flag is 1, you can multiply it by the value you want and get that value
else zero without a branch or conditional assignment.) So move -E one to the
left so FLAG_r is 1 again, and add a [+Er] suffix instead of testing
FLAG_r | FLAG_E in the users.
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an int. Even though long _is_ 32 bits on a 32 bit systems, gcc warns about it because reasons.
Also, the warning being that "expects int, but type is wchar_t"... no, type
is not wchar_t. Type is probably long. Specify the ACTUAL TYPE, not the random
typedef alias for it. If the translated type _did_ match, there wouldn't
be a warning! (This is why c89 promoted all arguments to int, precisely
so this wasn't a problem.)
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GNU sed silently supports -E as an alias for -r too.
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The problem was that readline() was returning a newline at the end of each
string, which wasn't getting stripped in the parser and thus \ wasn't at the
end of a line for -f, it was escaping a literal newline, so the continuation
logic didn't trigger. Remove some redundant null checks while we're at it,
and don't bother terminating a string we don't return (yes we leak memory
in an error path, but it's about to error_exit() anyway).
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resume position, so the script would restart from beginning.
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without a \ escaping the newline.
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the same command.)
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right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
The actual code should be the same afterward, this is just cosmetic refactoring.
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FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
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