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macos: use realpath$DARWIN_EXTSN

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macOS 10.15 Catalina causes an ancient variant of `realpath` to fail,
likely due to 10.15's evolving security model.

closes #5325
This commit is contained in:
Michael Dusan 2020-05-12 15:53:33 -04:00 committed by Andrew Kelley
parent 79462bb591
commit e05923f34b
2 changed files with 12 additions and 1 deletions
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11
lib/std/c.zig
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@ -111,7 +111,16 @@ pub extern "c" fn dup(fd: fd_t) c_int;
pub extern "c" fn dup2(old_fd: fd_t, new_fd: fd_t) c_int;
pub extern "c" fn readlink(noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize;
pub extern "c" fn readlinkat(dirfd: fd_t, noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize;
pub extern "c" fn realpath(noalias file_name: [*:0]const u8, noalias resolved_name: [*]u8) ?[*:0]u8;
pub usingnamespace switch (builtin.os.tag) {
.macosx, .ios, .watchos, .tvos => struct {
pub const realpath = @"realpath$DARWIN_EXTSN";
},
else => struct {
pub extern "c" fn realpath(noalias file_name: [*:0]const u8, noalias resolved_name: [*]u8) ?[*:0]u8;
},
};
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;
pub extern "c" fn rmdir(path: [*:0]const u8) c_int;

2
lib/std/c/darwin.zig
View File

@ -12,6 +12,8 @@ pub extern "c" fn _dyld_get_image_header(image_index: u32) ?*mach_header;
pub extern "c" fn _dyld_get_image_vmaddr_slide(image_index: u32) usize;
pub extern "c" fn _dyld_get_image_name(image_index: u32) [*:0]const u8;
pub extern "c" fn @"realpath$DARWIN_EXTSN"(noalias file_name: [*:0]const u8, noalias resolved_name: [*]u8) ?[*:0]u8;
pub extern "c" fn __getdirentries64(fd: c_int, buf_ptr: [*]u8, buf_len: usize, basep: *i64) isize;
pub extern "c" fn @"fstat$INODE64"(fd: fd_t, buf: *Stat) c_int;