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Sink: Use std::string_view

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This commit is contained in:
Eelco Dolstra 2020-12-02 14:00:43 +01:00
parent aa68486112
commit faa31f4084
21 changed files with 182 additions and 211 deletions
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30
src/libutil/util.cc
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@ -346,7 +346,7 @@ void writeFile(const Path & path, Source & source, mode_t mode)
while (true) {
try {
auto n = source.read(buf.data(), buf.size());
writeFull(fd.get(), (unsigned char *) buf.data(), n);
writeFull(fd.get(), {(char *) buf.data(), n});
} catch (EndOfFile &) { break; }
}
} catch (Error & e) {
@ -648,24 +648,16 @@ void readFull(int fd, unsigned char * buf, size_t count)
}
void writeFull(int fd, const unsigned char * buf, size_t count, bool allowInterrupts)
{
while (count) {
if (allowInterrupts) checkInterrupt();
ssize_t res = write(fd, (char *) buf, count);
if (res == -1 && errno != EINTR)
throw SysError("writing to file");
if (res > 0) {
count -= res;
buf += res;
}
}
}
void writeFull(int fd, std::string_view s, bool allowInterrupts)
{
writeFull(fd, (const unsigned char *) s.data(), s.size(), allowInterrupts);
while (!s.empty()) {
if (allowInterrupts) checkInterrupt();
ssize_t res = write(fd, s.data(), s.size());
if (res == -1 && errno != EINTR)
throw SysError("writing to file");
if (res > 0)
s.remove_prefix(res);
}
}
@ -705,7 +697,7 @@ void drainFD(int fd, Sink & sink, bool block)
throw SysError("reading from file");
}
else if (rd == 0) break;
else sink(buf.data(), rd);
else sink({(char *) buf.data(), (size_t) rd});
}
}
@ -1153,7 +1145,7 @@ void runProgram2(const RunOptions & options)
} catch (EndOfFile &) {
break;
}
writeFull(in.writeSide.get(), buf.data(), n);
writeFull(in.writeSide.get(), {(char *) buf.data(), n});
}
promise.set_value();
} catch (...) {