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crucible: add missing template specializations of pwrite helper functions

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I got a little too enthusiastic when redacting the code, and removed some
overloaded functions bees was using.  C++ silently found replacements,
and the result was a bug that prevented any data from being persisted
from the hash table.

Fixes: https://github.com/Zygo/bees/issues/7
This commit is contained in:
Zygo Blaxell 2016-12-01 22:12:38 -05:00
parent 06e111c229
commit dd21e6f848
2 changed files with 24 additions and 0 deletions
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3
include/crucible/fd.h
View File

@ -120,6 +120,9 @@ namespace crucible {
template<> void pread_or_die<string>(int fd, string& str, off_t offset);
template<> void pread_or_die<vector<char>>(int fd, vector<char>& str, off_t offset);
template<> void pread_or_die<vector<uint8_t>>(int fd, vector<uint8_t>& str, off_t offset);
template<> void pwrite_or_die<string>(int fd, const string& str, off_t offset);
template<> void pwrite_or_die<vector<char>>(int fd, const vector<char>& str, off_t offset);
template<> void pwrite_or_die<vector<uint8_t>>(int fd, const vector<uint8_t>& str, off_t offset);
// A different approach to reading a simple string
string read_string(int fd, size_t size);

21
lib/fd.cc
View File

@ -426,6 +426,27 @@ namespace crucible {
return pread_or_die(fd, text.data(), text.size(), offset);
}
template<>
void
pwrite_or_die<vector<uint8_t>>(int fd, const vector<uint8_t> &text, off_t offset)
{
return pwrite_or_die(fd, text.data(), text.size(), offset);
}
template<>
void
pwrite_or_die<vector<char>>(int fd, const vector<char> &text, off_t offset)
{
return pwrite_or_die(fd, text.data(), text.size(), offset);
}
template<>
void
pwrite_or_die<string>(int fd, const string &text, off_t offset)
{
return pwrite_or_die(fd, text.data(), text.size(), offset);
}
Stat::Stat()
{
memset_zero<stat>(this);