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The behavior of memmem for an empty needle is inconsistent between
implementations of libc.
Our tests imply that we want an empty string needle to be true,
so check for an empty needle before calling memmem.
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Stop losing \0s from the end of files because we don't know how much
fgets() read into our buffer. If we prefill the buffer with anything
other than zeroes, we can actually tell the difference between the
terminator and unused space in the buffer.
This is possibly more expensive, but at least it should be correct.
Fixes #1504
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Defaults the else clause to the identity filter "." if an else clause is
missing.
The following two jq programs are considered equivalent:
```
if .foo then
.foo = "bar"
else
.
end
```
```
if .foo then
.foo = "bar"
end
```
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Avoid doing the internal binding of top-level symbols in the parser,
leaving that work to be done in a post-processing step. For builtins,
this lets us do a reference-aware bind step (block_bind_incremental)
*after* generating builtins/0.
Libraries are a bit trickier since they may be bound multiple times, so
instead of thinking through the implications I added (block_bind_self)
to resolve all internal symbols immediately.
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Remove the special code which loads ~/.jq in builtin.c, and instead glue
an optional include which points to the same file onto the main program
in linker.c.
Fixes a minor bug where errors in ~/.jq would be labelled <builtin>.
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A library marked is imported if found, but silently skipped if missing.
This is the desired semantic for the auto-include at ~/.jq
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The case isn't actually possible afaict.
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Only the second and subsequent path components were being checked, which
I guess is theoretically security-relevant.
There's no apparent point to reconstructing the path after splitting it
by adding /s back in, either.
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"Module path must be a string" is not a useful error message when the
reason the module path isn't a string is because the string it was got
replaced with an invalid with an error message for some other reason.
Also fixes a few memory leaks on early exits.
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The mingw-w64 runtime expands wildcards, which causes a discrepancy
between `main`'s `argv` (multiple file names) and Windows' `wargv` (a
single wildcard). Use `wmain` to retrieve the wide character args.
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Windows has `_mkgmtime` for the UTC equivalent of `mktime`.
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Implement `strptime` for systems lacking it, but only supporting the
ISO 8601 format string.
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Windows regards the `NUL` device as tty, which causes `WriteFile` to
fail (the bytes written pointer cannot be `NULL` in this case). Tweak
the color test to ensure tty is accurate.
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Windows 10 supports color output, but it must be explicitly enabled;
ANSICON provides support for other versions. Enable color if either of
those are available. Resolves #1494.
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"(.+)" doesn't match new line characters so the link generated for [if-then-else](https://github.com/stedolan/jq/blob/90bc29c1b544c0436ec44246e180fdbb6d6384df/docs/content/3.manual/v1.5/manual.yml#L1804) doesn't work
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The parser generates a call to error/0 on break. Having that exported
from C directly removes a language dependency on builtin.jq.
In any case, error/0 seems to be the more fundamental operation, seeing
as the old C impementation of error/1 did nothing useful with its input.
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The distinction between input/0 and _input/0 has been unnecessary since
a9c613..7dc34b, which moved end-of-input handling into C and replaced
the jq definition of input with `def input: _input;`
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If these values do not match exactly, it is because the UTF-8 is invalid
anyway and we counted codepoints differently than oniguruma did. Perhaps it
would be better to error out here, but at least one similar loop already
uses < vs != and since we're off the rails anyway this might be OK. It is
certainly better than overruning the buffer.
Resolves https://github.com/stedolan/jq/issues/1804
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my_timegm was introduced in 1900c7 to add a mktime fallback used in
4a6241, the subsequently removed in c53823. As a result of this code
shuffling, the jq mktime function (f_mktime) wound up using a fallback
even on systems where timegm is available, with incorrect results in
some time zones with DST, e.g.
% TZ=America/New_York jq -n '"2018-08-31T00:00:00Z"|fromdate|todate'
"2018-08-31T01:00:00Z"
This undoes 1900c7 and moves the workaround it added into the #else of
my_mktime.
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Replace uses of the nonstandard $^ variable by explicitly specifying the
source filenames. This is the only obvious thing preventing the build
from running correctly on non-GNU make.
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Fix grammar typo.
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Follow-up fix to b436156f5 because BOOL and DWORD
are not built-in to mingw64.
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"Undefined symbols are not allowed in x86_64-w64-mingw32 shared libraries"
This was also applied in the official MINGW-packages repo:
Alexpux/MINGW-packages@b5566c58a
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Signed-off-by: HE, Tao <sighingnow@gmail.com>
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