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zig/std/c/index.zig

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`@import("builtin")` instead of `@compileVar` See #226 Closes #220
2017-05-01 18:12:38 +01:00
const builtin = @import("builtin");
const Os = builtin.Os;
improvements for windows and libc integration * standard library knows if it is linking against libc and will sometimes call libc functions in that case instead of providing redundant definitions * fix infinite loop bug when resolving use declarations * allow calling the same C function from different C imports. closes #277 * push more logic from compiler to std/bootstrap.zig * standard library provides way to access errno closes #274 * fix compile error in standard library for windows * add implementation of getRandomBytes for windows
2017-03-23 06:59:58 +00:00
`@import("builtin")` instead of `@compileVar` See #226 Closes #220
2017-05-01 18:12:38 +01:00
pub use switch(builtin.os) {
organize std and make import relative to current file closes #216
2017-03-26 11:39:28 +01:00
Os.linux => @import("linux.zig"),
Os.windows => @import("windows.zig"),
Darwin -> MacOSX, added Zen. See #438
2018-01-07 04:10:53 +00:00
Os.macosx, Os.ios => @import("darwin.zig"),
improvements for windows and libc integration * standard library knows if it is linking against libc and will sometimes call libc functions in that case instead of providing redundant definitions * fix infinite loop bug when resolving use declarations * allow calling the same C function from different C imports. closes #277 * push more logic from compiler to std/bootstrap.zig * standard library provides way to access errno closes #274 * fix compile error in standard library for windows * add implementation of getRandomBytes for windows
2017-03-23 06:59:58 +00:00
else => empty_import,
};
progress toward tests passing on MacOS
2017-08-27 05:11:09 +01:00
const empty_import = @import("../empty.zig");
improvements for windows and libc integration * standard library knows if it is linking against libc and will sometimes call libc functions in that case instead of providing redundant definitions * fix infinite loop bug when resolving use declarations * allow calling the same C function from different C imports. closes #277 * push more logic from compiler to std/bootstrap.zig * standard library provides way to access errno closes #274 * fix compile error in standard library for windows * add implementation of getRandomBytes for windows
2017-03-23 06:59:58 +00:00
syntax: functions require return type. remove `->` The purpose of this is: * Only one way to do things * Changing a function with void return type to return a possible error becomes a 1 character change, subtly encouraging people to use errors. See #632 Here are some imperfect sed commands for performing this update: remove arrow: ``` sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig") ``` add void: ``` sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig") ``` Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 09:10:11 +00:00
pub extern "c" fn abort() noreturn;
pub extern "c" fn exit(code: c_int) noreturn;
pub extern "c" fn isatty(fd: c_int) c_int;
pub extern "c" fn close(fd: c_int) c_int;
pub extern "c" fn fstat(fd: c_int, buf: &Stat) c_int;
pub extern "c" fn @"fstat$INODE64"(fd: c_int, buf: &Stat) c_int;
pub extern "c" fn lseek(fd: c_int, offset: isize, whence: c_int) isize;
pub extern "c" fn open(path: &const u8, oflag: c_int, ...) c_int;
pub extern "c" fn raise(sig: c_int) c_int;
pub extern "c" fn read(fd: c_int, buf: &c_void, nbyte: usize) isize;
pub extern "c" fn stat(noalias path: &const u8, noalias buf: &Stat) c_int;
std: fix return type of std.c.write
2018-02-09 01:46:12 +00:00
pub extern "c" fn write(fd: c_int, buf: &const c_void, nbyte: usize) isize;
progress toward tests passing on MacOS
2017-08-27 05:11:09 +01:00
pub extern "c" fn mmap(addr: ?&c_void, len: usize, prot: c_int, flags: c_int,
syntax: functions require return type. remove `->` The purpose of this is: * Only one way to do things * Changing a function with void return type to return a possible error becomes a 1 character change, subtly encouraging people to use errors. See #632 Here are some imperfect sed commands for performing this update: remove arrow: ``` sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig") ``` add void: ``` sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig") ``` Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 09:10:11 +00:00
fd: c_int, offset: isize) ?&c_void;
pub extern "c" fn munmap(addr: &c_void, len: usize) c_int;
pub extern "c" fn unlink(path: &const u8) c_int;
pub extern "c" fn getcwd(buf: &u8, size: usize) ?&u8;
pub extern "c" fn waitpid(pid: c_int, stat_loc: &c_int, options: c_int) c_int;
pub extern "c" fn fork() c_int;
pub extern "c" fn pipe(fds: &c_int) c_int;
pub extern "c" fn mkdir(path: &const u8, mode: c_uint) c_int;
pub extern "c" fn symlink(existing: &const u8, new: &const u8) c_int;
pub extern "c" fn rename(old: &const u8, new: &const u8) c_int;
pub extern "c" fn chdir(path: &const u8) c_int;
progress toward tests passing on MacOS
2017-08-27 05:11:09 +01:00
pub extern "c" fn execve(path: &const u8, argv: &const ?&const u8,
syntax: functions require return type. remove `->` The purpose of this is: * Only one way to do things * Changing a function with void return type to return a possible error becomes a 1 character change, subtly encouraging people to use errors. See #632 Here are some imperfect sed commands for performing this update: remove arrow: ``` sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig") ``` add void: ``` sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig") ``` Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 09:10:11 +00:00
envp: &const ?&const u8) c_int;
pub extern "c" fn dup(fd: c_int) c_int;
pub extern "c" fn dup2(old_fd: c_int, new_fd: c_int) c_int;
pub extern "c" fn readlink(noalias path: &const u8, noalias buf: &u8, bufsize: usize) isize;
pub extern "c" fn realpath(noalias file_name: &const u8, noalias resolved_name: &u8) ?&u8;
pub extern "c" fn sigprocmask(how: c_int, noalias set: &const sigset_t, noalias oset: ?&sigset_t) c_int;
pub extern "c" fn sigaction(sig: c_int, noalias act: &const Sigaction, noalias oact: ?&Sigaction) c_int;
pub extern "c" fn nanosleep(rqtp: &const timespec, rmtp: ?&timespec) c_int;
pub extern "c" fn setreuid(ruid: c_uint, euid: c_uint) c_int;
pub extern "c" fn setregid(rgid: c_uint, egid: c_uint) c_int;
Add c allocator (#542)
2017-10-17 13:13:04 +01:00
introduce std.heap.ArenaAllocator and std.heap.DirectAllocator * DirectAllocator does the underlying syscall for every allocation. * ArenaAllocator takes another allocator as an argument and allocates bytes up front, falling back to DirectAllocator with increasingly large allocation sizes, to avoid calling it too often. Then the entire arena can be freed at once. The self hosted parser is updated to take advantage of ArenaAllocator for the AST that it returns. This significantly reduces the complexity of cleanup code. docgen and build runner are updated to use the combination of ArenaAllocator and DirectAllocator instead of IncrementingAllocator, which is now deprecated in favor of FixedBufferAllocator combined with DirectAllocator. The C allocator calls aligned_alloc instead of malloc, in order to respect the alignment parameter. Added asserts in Allocator to ensure that implementors of the interface return slices of the correct size. Fixed a bug in Allocator when you call realloc to grow the allocation.
2018-02-12 07:14:44 +00:00
pub extern "c" fn aligned_alloc(alignment: usize, size: usize) ?&c_void;
syntax: functions require return type. remove `->` The purpose of this is: * Only one way to do things * Changing a function with void return type to return a possible error becomes a 1 character change, subtly encouraging people to use errors. See #632 Here are some imperfect sed commands for performing this update: remove arrow: ``` sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig") ``` add void: ``` sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig") ``` Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 09:10:11 +00:00
pub extern "c" fn malloc(usize) ?&c_void;
pub extern "c" fn realloc(&c_void, usize) ?&c_void;
pub extern "c" fn free(&c_void) void;
pub extern "c" fn posix_memalign(memptr: &&c_void, alignment: usize, size: usize) c_int;
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