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d5eaefe87b315cd9a5f8fcd047b98ca4606dcdb6
ladybird/Libraries/LibC
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Nico Weber 5f595e7e1b LibC: Make localtime() and gmtime() handle years before 1970 
Year computation has to be based on seconds, not days, in case
t is < 0 but t / __seconds_per_day is 0.

Year computation also has to consider negative timestamps.

With this, days is always positive and <= the number of days in the
year, so base the tm_wday computation directly on the timestamp,
and do it first, before t is modified in the year computation.
In C, % can return a negative number if the left operand is negative,
compensate for that.

Tested via test-js. (Except for tm_wday, since we don't implement
Date.prototype.getUTCDate() yet.)
2020-08-23 10:42:37 +02:00
..
arpa
LibC: Add inet_aton, based on inet_pton
2020-05-11 09:50:42 +02:00
bits
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
net
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
netinet
LibC: Add sa_family_t and in_port_t types
2020-08-11 21:13:18 +02:00
sys
LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit
2020-08-12 20:40:59 +02:00
alloca.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
assert.cpp
LibC: Remove endless loop after abort() call
2020-05-26 14:35:10 +02:00
assert.h
LibC: Make sure assert() expands to *something* in non-DEBUG builds
2020-08-11 20:29:14 +02:00
byteswap.h
Meta: Add missing copyright headers
2020-04-06 11:09:01 +02:00
CMakeLists.txt
Toolchain: Allow building using CMake on macOS
2020-07-13 08:46:44 +02:00
crt0.cpp
LibC: Avoid ninja-imports of system functions
2020-08-12 20:40:59 +02:00
crti.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
crtn.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
ctype.cpp
Revert "LibC: Implement isblank()"
2020-02-16 10:47:54 +01:00
ctype.h
LibC: Don't let ctype isfoo() helpers access array out of bounds
2020-05-17 22:35:25 +02:00
cxxabi.cpp
LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit
2020-08-12 20:40:59 +02:00
dirent.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
dirent.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
dlfcn.cpp
AK: Rename FileSystemPath -> LexicalPath
2020-05-26 14:35:10 +02:00
dlfcn.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
endian.h
LibC: Fix big endian definitions
2020-02-19 16:08:28 +01:00
errno_numbers.h
Kernel+LibC: Remove ESUCCESS
2020-04-10 13:09:35 +02:00
errno.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
fcntl.cpp
LibC: Missing varargs cleanup in fcntl
2020-08-17 09:17:57 +02:00
fcntl.h
Kernel+LibC: Switch isatty() to use a fcntl()
2020-05-20 08:31:31 +02:00
fd_set.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
float.h
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
getopt.cpp
Meta: Scale back overly informal user-facing strings
2020-06-17 18:35:49 +02:00
getopt.h
LibC: Rewrite getopt()
2020-05-30 15:01:18 +02:00
grp.cpp
AK: Make string-to-number conversion helpers return Optional
2020-06-12 21:28:55 +02:00
grp.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
iconv.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
inttypes.h
LibC: Add some missing macros to inttypes.h
2020-02-20 06:51:16 +01:00
ioctl.cpp
LibC: Missing varargs cleanup in ioctl
2020-08-17 09:17:57 +02:00
libcinit.cpp
LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit
2020-08-12 20:40:59 +02:00
libgen.cpp
Meta: Claim copyright for files created by me
2020-01-24 15:15:16 +01:00
libgen.h
Meta: Claim copyright for files created by me
2020-01-24 15:15:16 +01:00
limits.h
LibC: Use more flexible digit parsing code, deduplicate
2020-05-11 10:52:24 +02:00
locale.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
locale.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
malloc.cpp
malloc: Keep some stats and dump them at process exit if LIBC_DUMP_MALLOC_STATS is set
2020-08-17 09:43:23 +02:00
mallocdefs.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
memory.h
Meta: Add a script check the presence of "#pragma once" in header files
2020-05-29 07:59:45 +02:00
mman.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
mman.h
Kernel+LibC: Add minherit() and MAP_INHERIT_ZERO
2020-04-12 20:22:26 +02:00
mntent.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
mntent.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
netdb.cpp
LibC+Userland: Prefer snprintf over sprintf
2020-08-22 20:55:10 +02:00
netdb.h
LibC: getprotoent() family of functions
2020-04-18 10:11:55 +02:00
poll.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
poll.h
LibC+Kernel: Implement ppoll
2020-06-23 14:12:20 +02:00
pwd.cpp
LibC: Add passwords to putpwent
2020-07-28 17:07:22 +02:00
pwd.h
LibC: Implement putpwent()
2020-02-02 10:58:45 +01:00
qsort.cpp
LibC: Replace Berkley's qsort() with AK::dual_pivot_quick_sort() wrapper
2020-07-03 19:29:36 +02:00
scanf.cpp
LibC: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
sched.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
sched.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
serenity.cpp
Kernel: More PID/TID typing
2020-08-10 11:51:45 +02:00
serenity.h
Kernel: More PID/TID typing
2020-08-10 11:51:45 +02:00
setjmp.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
setjmp.S
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
signal_numbers.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
signal.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
signal.h
LibC: Declare pthread_sigmask() in signal.h.
2020-06-16 09:34:00 +02:00
spawn.cpp
LibC: In posix_spawn(), use _exit instead of exit on child error
2020-06-20 14:43:27 +02:00
spawn.h
Add manpages for posix_spawn
2020-07-06 10:01:14 +02:00
stat.cpp
LibC: Move stat(), lstat() and fstat() to <sys/stat.h>
2020-08-11 20:29:14 +02:00
stdarg.h
Kernel: Absorb LibBareMetal back into the kernel
2020-05-16 12:00:04 +02:00
stdbool.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
stddef.h
LibC: Move ssize_t from <stddef.h> to <sys/types.h>
2020-05-23 17:03:41 +02:00
stdint.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
stdio.cpp
LibC: Fix off-by-one in snprintf()
2020-08-22 20:55:10 +02:00
stdio.h
Kernel+LibC: Fix various build issues introduced by ssize_t
2020-05-23 15:27:33 +02:00
stdlib.cpp
malloc: Keep some stats and dump them at process exit if LIBC_DUMP_MALLOC_STATS is set
2020-08-17 09:43:23 +02:00
stdlib.h
malloc: Keep some stats and dump them at process exit if LIBC_DUMP_MALLOC_STATS is set
2020-08-17 09:43:23 +02:00
string.cpp
AK+LibC+Kernel: Move the implementation of memmem to AK
2020-08-21 16:00:42 +02:00
string.h
LibC: mark strdup & strndup as __attribute__((malloc))
2020-08-13 18:53:32 +02:00
strings.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
strings.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
syslog.cpp
AK: Add a forward declaration header
2020-02-14 23:31:18 +01:00
syslog.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
termcap.cpp
LibC: Mark compilation-unit-only functions as static
2020-08-12 20:40:59 +02:00
termcap.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
termios.cpp
LibC: Implement tcflush(3)
2020-07-11 11:33:33 +02:00
termios.h
LibC: Implement cf{g,s}et{i,o}speed
2020-07-04 10:49:36 +02:00
time.cpp
LibC: Make localtime() and gmtime() handle years before 1970
2020-08-23 10:42:37 +02:00
time.h
LibC: Add timegm()
2020-08-21 12:11:48 +02:00
times.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
ulimit.cpp
LibC: Log calls to getrusage
2020-05-07 23:32:11 +02:00
ulimit.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
unistd.cpp
Kernel+LibC+UserspaceEmulator: Bring back sys$dup2()
2020-08-15 11:11:34 +02:00
unistd.h
LibC: Move stat(), lstat() and fstat() to <sys/stat.h>
2020-08-11 20:29:14 +02:00
utime.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
utime.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
utmp.h
LibC: Add missing <sys/time.h> include in <utmp.h>
2020-05-11 09:50:42 +02:00
utsname.cpp
Kernel: Move headers intended for userspace use into Kernel/API/
2020-07-04 17:22:23 +02:00
wchar.cpp
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00
wchar.h
Meta: Add license header to source files
2020-01-18 09:45:54 +01:00