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9d4742c78d
Per https://github.com/WebAssembly/wasi-sdk/issues/373, LLVM's libc++ no longer allows us to enable `<fstream>` and `<filesystem>` separately -- it's both or neither. Consequently, we either need to patch libc++ to not use `statvfs`, `chmod`, etc. or add stub functions for those features to `wasi-libc`. Since we're planning to eventually support those features with WASI Preview 2 and beyond, it makes sense to do the latter. Note that since libc++ uses `DT_SOCK`, I've added a definition for it -- even though WASI Preview 1 does not define it. No Preview 1 file will ever have that type, so code that handles that type will never be reached, but defining it allows us to avoid WASI-specific patches to libc++. Related to `DT_SOCK`, I had to change the `S_IFIFO` value so it does not conflict with `S_IFSOCK`, thereby avoiding ambiguity in `__wasilibc_iftodt`. Signed-off-by: Joel Dice <joel.dice@fermyon.com>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
#ifndef __wasilibc___mode_t_h
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#define __wasilibc___mode_t_h
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#define S_IFMT \
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(S_IFBLK | S_IFCHR | S_IFDIR | S_IFIFO | S_IFLNK | S_IFREG | S_IFSOCK)
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#define S_IFBLK (0x6000)
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#define S_IFCHR (0x2000)
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#define S_IFDIR (0x4000)
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#define S_IFLNK (0xa000)
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#define S_IFREG (0x8000)
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#define S_IFSOCK (0xc000)
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#define S_IFIFO (0x1000)
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#define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK)
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#define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR)
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#define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR)
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#define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO)
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#define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK)
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#define S_ISREG(m) (((m)&S_IFMT) == S_IFREG)
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#define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK)
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#define S_IXOTH (0x1)
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#define S_IWOTH (0x2)
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#define S_IROTH (0x4)
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#define S_IRWXO (S_IXOTH | S_IWOTH | S_IROTH)
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#define S_IXGRP (0x8)
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#define S_IWGRP (0x10)
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#define S_IRGRP (0x20)
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#define S_IRWXG (S_IXGRP | S_IWGRP | S_IRGRP)
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#define S_IXUSR (0x40)
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#define S_IWUSR (0x80)
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#define S_IRUSR (0x100)
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#define S_IRWXU (S_IXUSR | S_IWUSR | S_IRUSR)
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#define S_ISVTX (0x200)
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#define S_ISGID (0x400)
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#define S_ISUID (0x800)
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#endif
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