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nix::readLine: Add eofOk parameter

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This commit is contained in:
Robert Hensing 2024-11-06 14:20:06 +01:00
parent 4a785a0400
commit f7b1e535a3
2 changed files with 13 additions and 4 deletions
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10
src/libutil/unix/file-descriptor.cc
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@ -47,7 +47,7 @@ void writeFull(int fd, std::string_view s, bool allowInterrupts)
}
std::string readLine(int fd)
std::string readLine(int fd, bool eofOk)
{
std::string s;
while (1) {
@ -58,8 +58,12 @@ std::string readLine(int fd)
if (rd == -1) {
if (errno != EINTR)
throw SysError("reading a line");
} else if (rd == 0)
throw EndOfFile("unexpected EOF reading a line");
} else if (rd == 0) {
if (eofOk)
return s;
else
throw EndOfFile("unexpected EOF reading a line");
}
else {
if (ch == '\n') return s;
s += ch;