ringabout 5584885226 fixes #24664; always sets the \0 terminator in appendString (#24703) ...

fixes #24664

```nim
proc main() =
    for i in 0..1:
        var s = "12345"
        s.add s
        echo s

main()
```
In the given example, `add` contains two steps: `prepareAdd` and
`appendString`. In the first step, a new buffer is created in order to
store the final doubled string. But it doesn't copy the null terminator,
neither zeromem the left unused spaces. It causes a problem because
`appendString` will copy itself which doesn't end with `\0` properly so
contaminated memory is copied instead.

```
var s = 12345\0

prepareAdd:

var s = 12345xxxxx\0

appendString:

var s = 1234512345x
```

(cherry picked from commit 1f07fdd2dc)

2025-03-03 14:03:17 +01:00

..

mm

Make newSeqOfCap not initialize memory. (#21842)

2023-09-09 21:11:45 +02:00

alloc.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

ansi_c.nim

fix c_memchr, c_strstr definitions (#24587)

2025-01-15 15:31:04 +01:00

arc.nim

implements quirky for functions (#24700)

2025-03-03 14:02:48 +01:00

arithmetics.nim

revert second argument of inc not being generic (#24129)

2024-09-17 21:28:54 +02:00

assign.nim

fix #20972 fixes invalid and UB codegen case object transitions for both refc and ORC [backport] (#21611)

2023-04-04 12:18:43 +02:00

avltree.nim

make AVL tree node part of the memory regions; fixes hard to reproduce channel crashes

2017-01-31 13:08:47 +01:00

basic_types.nim

moderate system cleanup & refactor (#20355)

2022-09-28 15:28:45 -04:00

bitmasks.nim

tyInt tyUint fit target int bit width (#20829)

2022-12-01 13:34:00 +01:00

cellseqs_v1.nim

Change how to multiply 1.5 to ints to reduce overflow (#24257)

2025-01-14 07:32:40 +01:00

cellseqs_v2.nim

Change how to multiply 1.5 to ints to reduce overflow (#24257)

2025-01-14 07:32:40 +01:00

cellsets.nim

Change how to multiply 1.5 to ints to reduce overflow (#24257)

2025-01-14 07:32:40 +01:00

cgprocs.nim

NIR: Nim intermediate representation (#22777)

2023-10-11 17:44:14 +02:00

channels_builtin.nim

fixes strictdefs warnings for stdlibs [part two] (#24514)

2025-01-14 13:15:55 +01:00

chcks.nim

fixes strictdefs warnings continue (#24520)

2025-01-14 13:23:18 +01:00

comparisons.nim

fixes JS semicolon omissions (#23896)

2024-07-26 20:45:52 +02:00

compilation.nim

bump NimVersion to 2.2.3

2025-03-03 13:59:39 +01:00

coro_detection.nim

system.nim cleanup some exported constants which should never have be… (#17909)

2021-05-01 11:10:40 +02:00

countbits_impl.nim

typetraits: add toSigned, toUnsigned (#18445)

2022-04-07 17:38:01 -04:00

ctypes.nim

int64/uint64 as bigint in JS (#21613)

2023-04-11 21:20:20 +02:00

cyclebreaker.nim

remove name field for ARC (#20797)

2022-11-09 16:22:55 +01:00

deepcopy.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

dollars.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

dyncalls.nim

documentation and comments use HTTPS when possible (#24264)

2025-01-14 07:33:01 +01:00

embedded.nim

clean up goto exceptions; remove the setjmp.h dep (#23259)

2024-01-27 07:57:07 +01:00

exceptions.nim

moderate system cleanup & refactor (#20355)

2022-09-28 15:28:45 -04:00

excpt.nim

ORC: added -d:nimOrcStats switch and related API (#23272)

2024-02-21 16:58:30 +01:00

fatal.nim

reserve sysFatal for Defect (#22158)

2023-11-06 07:57:29 +01:00

formatfloat.nim

move formatfloat out of system (#20195)

2022-08-24 13:38:30 +02:00

gc_common.nim

don't access void* out of alignment in refc GC to avoid UB (#21560)

2023-03-22 22:05:20 +01:00

gc_hooks.nim

ref #20694; quit value gets saturated to ranges (#20753)

2022-11-05 10:58:57 +01:00

gc_interface.nim

fixes #13881

2020-05-12 15:46:24 +02:00

gc_ms.nim

complete std prefixes for stdlib (#22887)

2023-10-30 17:03:04 +01:00

gc_regions.nim

move threads out of system (#20674)

2022-10-29 18:11:40 +02:00

gc.nim

complete std prefixes for stdlib (#22887)

2023-10-30 17:03:04 +01:00

hti.nim

remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)

2024-08-28 20:46:36 +02:00

inclrtl.nim

remove legacy code (#21134)

2022-12-26 13:20:05 +01:00

indexerrors.nim

properly fix #10053 ; FieldDefect msg now shows discriminant value + lineinfo, in all backends (c,vm,js) (#11955)

2021-08-13 09:35:48 +02:00

indices.nim

Add a document to toOpenArray proc (#23905)

2024-08-01 12:27:10 +08:00

integerops.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

iterators_1.nim

fixes #22790; use cast suppress AnyEnumConv warnings for enums withou… (#22813)

2023-10-11 17:18:54 +02:00

iterators.nim

fixes #22860; suppress AnyEnumConv warning when iterating over set (#22904)

2023-11-04 08:52:30 +01:00

jssys.nim

symmetric difference operation for sets via xor (#24286)

2025-01-14 07:47:13 +01:00

memalloc.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

memory.nim

NIR: Nim intermediate representation (#22777)

2023-10-11 17:44:14 +02:00

memtracker.nim

ref #20694; quit value gets saturated to ranges (#20753)

2022-11-05 10:58:57 +01:00

mmdisp.nim

ref #20694; quit value gets saturated to ranges (#20753)

2022-11-05 10:58:57 +01:00

nimscript.nim

Fixed nimscript docs (#23938)

2024-08-11 10:35:09 +08:00

orc.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

osalloc.nim

clean up gc:arc or gc:orc in docs and in error messages (#22408)

2023-08-08 05:55:18 -04:00

platforms.nim

Add HPPA and sparc64 architectures (#20934)

2022-12-01 12:48:47 +08:00

profiler.nim

'lock levels' are deprecated, now a noop (#20539)

2022-10-11 09:17:09 +02:00

rawquits.nim

remove unnecessary imports (#24465)

2025-01-14 09:08:40 +01:00

repr_impl.nim

properly fix #10053 ; FieldDefect msg now shows discriminant value + lineinfo, in all backends (c,vm,js) (#11955)

2021-08-13 09:35:48 +02:00

repr_v2.nim

fixes strictdefs warnings continue (#24520)

2025-01-14 13:23:18 +01:00

repr.nim

fixes #23304; uses snprintf instead of sprintf (#23322)

2024-02-20 07:28:45 +01:00

reprjs.nim

fixes JS semicolon omissions (#23896)

2024-07-26 20:45:52 +02:00

seqs_v2_reimpl.nim

arc allocation method aligned (#15588)

2020-10-19 14:50:06 +02:00

seqs_v2.nim

Optimize storing into uninit locations for arrays and seqs. (#24619)

2025-01-20 12:48:37 +01:00

setops.nim

warn on set types bigger than max size, default to 0..255 for int literals (#21659)

2023-04-17 20:55:22 +02:00

sets.nim

fixes #22481; fixes card undefined misalignment behavior (#22484)

2023-08-15 23:31:44 +02:00

stacktraces.nim

'lock levels' are deprecated, now a noop (#20539)

2022-10-11 09:17:09 +02:00

strmantle.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

strs_v2.nim

fixes #24664; always sets the \0 terminator in appendString (#24703)

2025-03-03 14:03:17 +01:00

sysstr.nim

Change how to multiply 1.5 to ints to reduce overflow (#24257)

2025-01-14 07:32:40 +01:00

threadids.nim

refactoring: orc can use getThreadId() (#19123)

2021-11-11 19:07:08 +01:00

threadimpl.nim

remove thread duplicated code (#22348)

2023-07-31 10:58:59 +02:00

threadlocalstorage.nim

fixes some strictdefs warnings (#24502)

2025-01-14 13:12:39 +01:00

timers.nim

miscellaneous bug fixes (#13291)

2020-01-30 10:54:50 +01:00