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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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7
src/libutil/file-descriptor.hh
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@ -77,8 +77,13 @@ void writeFull(Descriptor fd, std::string_view s, bool allowInterrupts = true);
/**
* Read a line from a file descriptor.
*
* @param fd The file descriptor to read from
* @param eofOk If true, return an unterminated line if EOF is reached. (e.g. the empty string)
*
* @return A line of text ending in `\n`, or a string without `\n` if `eofOk` is true and EOF is reached.
*/
std::string readLine(Descriptor fd);
std::string readLine(Descriptor fd, bool eofOk = false);
/**
* Write a line to a file descriptor.