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* Fix #19052; [backport:1.6.0]
Adds a compile flag to avoid a getrandom syscall, fixing #19052.
This is neccesary when the getrandom syscall is missing, as noted in #19052, particularly in kernel versions < 3.17 when getrandom was introduced. Specifically relevant is this is missing from kernel 3.10, which is the supported kernel throughout RHEL 7 and CentOS 7, which is widely used at many organizations. Without this, versions of nim that include sysrand (i.e. versions >= 1.6.0) will not compile without modification, however with this change a compile flag may be used to fall back using /dev/urandom as done with any unknown Posix OS (preferred here as a fallback since it already supplies a cryptographically secure PRNG and existing code deals with entropy pool init, etc).
The change is placed behind a compile flag, as discussed in github ticket #19052 (summed up here):
* First, I can't seem to catch that a importc such as SYS_getrandom is declared without using it (the declared proc returns true, but compiler throws an undeclared identifier flag when referencing it).
* Second, it seemed preferable to be behaviorally explicit vs implicit when considering this is intended to be a cryptographically secure PRNG.
* Third, if I intend to compile on a kernel >= 3.17 while running the binary on at least one system < 3.17, I'll want to be able to target this without relying on a compile time determination if the getrandom syscall is available.
* Documenting compile flag for -d:nimNoGetRandom and adding changelog entry
Related to #19052 and comments in PR #19053. Also created a new changelog file since none currently exists.
Co-authored-by: Timothy Alexander <talexander@midwestlabs.com>
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* Allow use of colons inside fmt
allowing colons inside fmt by replacing the format specifier delimiter lets arbitrary nim code be run within fmt expressions.
* oops
* Update strformat.nim
* one space.
* Update lib/pure/strformat.nim
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* Update lib/pure/strformat.nim
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* changed parser to ignore ':' within parens
* Update strformat.nim
* Update lib/pure/strformat.nim
Co-authored-by: flywind <xzsflywind@gmail.com>
* formatting,documentation,backslash escapes
Adding support for evaluating expressions by special-casing parentheses causes this regression: `&"""{ "(hello)" }"""` no longer parses.
In addition, code such as &"""{(if open: '(' else: ')')}""" wouldn't work.
To enable that, as well as the use of, e.g. Table constructors inside curlies, I've added backslash escapes.
This also means that if/for/etc statements, unparenthesized, will work, if the colons are escaped, but i've left that under-documented.
It's not exactly elegant having two types of escape, but I believe it's the least bad option.
* not sure about how this works
* changelog
* changelog
* added json strformat test
* pulled my thumb out and wrote a parser
* more escapes and string tests
* ok, now i'm sure it's broken but cant get a failing test
* found it
* ok, that'll do
* did i delete this?
* spcng
* spacing
* messed up where changelogs are supposed to go
* ocd
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
Co-authored-by: flywind <xzsflywind@gmail.com>
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* Allow use of colons inside fmt
allowing colons inside fmt by replacing the format specifier delimiter lets arbitrary nim code be run within fmt expressions.
Co-authored-by: flywind <xzsflywind@gmail.com>
* formatting,documentation,backslash escapes
Adding support for evaluating expressions by special-casing parentheses causes this regression: `&"""{ "(hello)" }"""` no longer parses.
In addition, code such as &"""{(if open: '(' else: ')')}""" wouldn't work.
To enable that, as well as the use of, e.g. Table constructors inside curlies, I've added backslash escapes.
This also means that if/for/etc statements, unparenthesized, will work, if the colons are escaped, but i've left that under-documented.
It's not exactly elegant having two types of escape, but I believe it's the least bad option.
* changelog
* added json strformat test
* pulled my thumb out and wrote a parser
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
Co-authored-by: flywind <xzsflywind@gmail.com>
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* fix https://github.com/nim-lang/RFCs/issues/294 ; disallow enum <=> enum conversion
* fix the runnableExamples that was the instigator of this RFC
* legacy -d:nimLegacyConvEnumEnum
* use -d:nimLegacyConvEnumEnum in important_package nimgame2
* add test for enum cast
* improve changelog
* add changelog: Changes affecting backward compatibility
* cleanup changelog
* fix changelog
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(#14070)
* fix #14064 xmltree should allow create text node with raw text(non-escaped) eg. html style element's text
* change xnRawText to VerbatimText,newRawText to newVerbatimText ,add since anotation
* change changelog_1_2_0.md latest date
* move change log
Co-authored-by: bung87 <crc32@qq.com>
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* basename supports pragmaexpr
* update changelog
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This reverts commit b865c2a54b7d706b31b5eba29dfdbb16809aa400.
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per comments in #11885
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