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WIP Feature/macos compatibility #11

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WIP Feature/macos compatibility #11

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b3a5ff6
Make code compatible with MacOS
yemartin Jun 9, 2019
bc0fa62
Workaroud MacOS/SMB bug
yemartin Jun 9, 2019
5db4194
Better workaroud MacOS/SMB bug
yemartin Jun 9, 2019
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14 changes: 14 additions & 0 deletions cshatag.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,20 @@
#define SHA256_BYTES 32
#define SHA256_NIBBLES 64

#ifdef __APPLE__
#define st_mtim st_mtimespec
#define fgetxattr(fd, name, buf, size) fgetxattr(fd, name, buf, size, 0, 0)
/*
* SMB or MacOS bug: when working on an SMB mounted filesystem on a Mac, it seems the call
* to `fsetxattr` does not update the xattr but removes it instead. So it takes two runs
* of `cshatag` to update the attribute.
* To work around this issue, we remove the xattr explicitely before setting it again.
*/
#define fsetxattr(fd, name, buf, size, flags) fremovexattr(fd, name, 0)|fsetxattr(fd, name, buf, size, 0, flags)
#undef ENODATA
#define ENODATA ENOATTR
#endif

/**
* Holds a file's metadata
*/
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