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ircd::fs: Add size(fd) from sys stat().

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This commit is contained in:
Jason Volk 2018-05-30 02:12:19 -07:00
parent 955d8921b9
commit a9e73d898c
2 changed files with 10 additions and 0 deletions
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2
include/ircd/fs/fd.h
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@ -14,6 +14,8 @@
namespace ircd::fs namespace ircd::fs
{ {
struct fd; struct fd;
size_t size(const fd &);
} }
/// Object for maintaining state to an open file or directory. Instances can /// Object for maintaining state to an open file or directory. Instances can

8
ircd/fs.cc
View file

@ -274,6 +274,14 @@ namespace ircd::fs
static uint posix_flags(const std::ios::open_mode &mode); static uint posix_flags(const std::ios::open_mode &mode);
} }
size_t
ircd::fs::size(const fd &fd)
{
struct stat stat;
syscall(::fstat, fd, &stat);
return stat.st_size;
};
uint uint
ircd::fs::posix_flags(const std::ios::open_mode &mode) ircd::fs::posix_flags(const std::ios::open_mode &mode)
{ {