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74 Commits

Author SHA1 Message Date
Idan Horowitz
086969277e Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Kenneth Myhra
4a57be824c Userland+Tests: Convert File::read_link() from String to ErrorOr<String> 
This converts the return value of File::read_link() from String to
ErrorOr<String>.

The rest of the change is to support the potential of an Error being
returned and subsequent release of the value when no Error is returned.
Unfortunately at this stage none of the places affected can utililize
our TRY() macro.
 2022-03-24 11:57:51 +01:00
Daniel Bertalan
ea52ba9fdc LibC: Set saved_str to null in strtok_r if no tokens were found 
If we do not do this, the next call to strtok_r will start tokenizing
(and possibly modifying!) the memory pointed to by `saved_ptr`.
 2022-03-08 23:30:47 +01:00
Tim Schumacher
8ebc749191 Tests: Include limits.h for PATH_MAX in realpath tests 2022-03-08 22:00:28 +01:00
Tim Schumacher
f748586393 Tests: Include limits.h for MB_LEN_MAX in wchar tests 2022-03-08 22:00:28 +01:00
Peter Ross
34108547b6 AK: Print NaN and infinite numbers in PrintfImplementation 2022-03-02 11:40:37 +01:00
Peter Ross
6c06b70911 LibC: Set PRI[xX]8/PRI[xX]16 macros to x and X 
Described in:
  <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/
    inttypes.h.html>

The macros were first added in a7a456002e,
but it is not clear why the PRIx16/32 macros were defined as 'b' & 'w'.
PrintfImplementation was never able to parse these values.
 2022-03-02 11:40:37 +01:00
Timur Sultanov
ffbd630ca6 AK: Add tests for integer values formatting in printf 2022-02-28 14:08:24 +01:00
Peter Ross
5b32b46ebc LibC: Do not write value when scanf assignment value is suppressed 
This change has the positive side-effect of causing scanf to *segfault*
when a NULL pointer argument is passed to scanf.
e.g. sscanf(str, "%d", NULL);
 2022-02-20 00:13:08 +03:30
Peter Ross
31079a56d7 LibC: Do not include suppressed assignments in scanf return value 2022-02-20 00:13:08 +03:30
Max Wipfli
f3cf1b33d7 Tests: Add test for LibC mkdir() 2022-02-13 21:58:26 +02:00
Timothy Flynn
010ec36d20 LibC: Ensure most time tests run under UTC 
This ensures these tests pass even if the user has changed the system
time zone away from UTC.
 2022-01-25 18:39:36 +00:00
Timothy Flynn
b1ea585149 LibC: Implement tzset with time zone awareness in accordance with POSIX 2022-01-25 18:39:36 +00:00
Daniel Bertalan
6e00dd64a1 Tests: Test whether stdio streams are flushed correctly on exit 2022-01-16 14:59:21 -08:00
Michel Hermier
1af072e0f3 LibC: Make *alloc return NULL in case of failure (POSIX) 2022-01-16 11:18:04 +01:00
mjz19910
10ec98dd38 Everywhere: Fix spelling mistakes 2022-01-07 15:44:42 +01:00
Jesse Buhagiar
2de7f2021d LibC: Support X modifier for scanf 
This was currently crashing Half-Life because it was a considered an
"Unknown" specifier. We can use the same case statement as the regular
hex format conversion (lower case 'x'), as the backend
to convert the number already supports upper/lower case input, hence
we get it for free :^)
 2022-01-02 08:10:08 +02:00
Michel Hermier
682f89d5bc LibC: Allow multiple includes of <assert.h> 
ISO C requires in section 7.2:
The assert macro is redefined according to the current state of NDEBUG
each time that <assert.h> is included.

Also add tests for `assert` multiple inclusion accordingly.
 2021-12-23 17:53:46 -08:00
Michel Hermier
4c6e826c05 LibTest: Add EXPECT_CRASH_WITH_SIGNAL 2021-12-19 14:22:06 -08:00
Michel Hermier
c22c1900c0 Tests: Add test for raise 2021-12-19 14:22:06 -08:00
Michel Hermier
0ec35d6d81 Tests: Add test for assert 2021-12-19 14:22:06 -08:00
Michel Hermier
181f759dc9 Tests: Add test for abort 2021-12-19 14:22:06 -08:00
Jelle Raaijmakers
a44978b9b0 LibC: Fix %n conversion specifier in scanf() format 
Also add a test to prevent this from happening again. There were two
bugs:

* The number of bytes just after processing the last value was written,
  instead of the number of bytes after skipping remaining whitespace.
  Confirmed by testing against GNU's `scanf()` since the man page
  leaves something to be desired.

* The number of bytes was written to the wrong variable argument; i.e.
  the first argument was overwritten.
 2021-10-24 22:43:27 -07:00
Jelle Raaijmakers
00f36fc5ae Tests: Print full 32-byte range of values in TestScanf 
We are trying to show 8 u32 values, each of which needs at most 8
hexadecimal characters to be shown entirely.
 2021-10-24 22:43:27 -07:00
Jelle Raaijmakers
e71e9de61f Tests: Reword 'output' to 'return value' in TestScanf 2021-10-24 22:43:27 -07:00
Jelle Raaijmakers
e3f17401cb Tests: Use correct argument count for value conformance in TestScanf 2021-10-24 22:43:27 -07:00
Tim Schumacher
65bcee3c62 Tests: Only test truthiness for iswctype 2021-10-24 22:40:11 -07:00
Tim Schumacher
9e3e4a692d Tests: Use proper comparison macros for wctype 2021-10-24 22:40:11 -07:00
Tim Schumacher
79bcfa967b LibC: Fix up mblen 2021-10-22 13:28:56 -07:00
Tim Schumacher
8df6955838 LibC: Fix up mbtowc 
One more proper implementation and one less FIXME.
 2021-10-22 13:28:56 -07:00
Tim Schumacher
89afd4d063 LibC: Implement mbsnrtowcs 2021-10-21 23:57:32 -07:00
Tim Schumacher
552ae77f0d LibC: Implement wcsnrtombs 2021-10-21 23:57:32 -07:00
Tim Schumacher
e618602433 LibC: Implement mbrlen 2021-10-21 23:47:20 -07:00
Daniel Bertalan
13e6d9d71a LibC: Implement wcslcpy 2021-10-17 17:09:58 +01:00
Tim Schumacher
420bdccf0b LibC: Implement mbsrtowcs 2021-10-15 21:50:19 -07:00
Tim Schumacher
b0babd062e LibC: Implement wcsrtombs 2021-10-15 21:50:19 -07:00
Daniel Bertalan
c8367df746 LibC: Implement wcrtomb 
This function converts a single wide character into its multibyte
representation (UTF-8 in our case). It is called from libc++'s
`std::basic_ostream<wchar_t>::flush`, which gets called at program exit
from a global destructor in order to flush `std::wcout`.
 2021-10-15 21:50:19 -07:00
Tim Schumacher
4b423a5ec7 LibC: Implement twalk 2021-10-15 21:50:19 -07:00
Tim Schumacher
7448626bae LibC: Implement tfind and tsearch 2021-10-15 21:50:19 -07:00
Tim Schumacher
7af7fc8c16 Everywhere: Fix more Copyright header inconsistencies 2021-10-04 11:10:09 +01:00
Tim Schumacher
4302e7ac26 Tests: Add tests for mbrtowc 2021-10-03 11:13:50 +00:00
Tim Schumacher
e7f99edefa Tests: Add a test for mbsinit 2021-10-03 11:13:50 +00:00
Tim Schumacher
05b283f552 LibC: Implement wmemmove 2021-10-03 05:28:51 +00:00
Tim Schumacher
fa1208edfd LibC: Implement wmemset 2021-10-03 05:28:51 +00:00
Tim Schumacher
485c0ef691 LibC: Implement wmemcpy 2021-10-03 05:28:51 +00:00
Tim Schumacher
0ca1df4dc6 LibC: Implement wmemchr 2021-10-03 05:28:51 +00:00
Tim Schumacher
5ac2e84264 LibC: Implement wcsstr 2021-10-03 05:28:51 +00:00
Tim Schumacher
1b078f87b7 LibC: Implement wcspbrk 2021-10-03 05:28:51 +00:00
Tim Schumacher
b8c756a53a LibC: Primitively implement wcscoll 
At the moment, sorting like LC_COLLATE=C would do is better than
nothing.
 2021-09-18 02:57:56 +00:00
Tim Schumacher
42031f026a LibC: Implement towctrans 2021-09-17 22:59:51 +00:00