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-rw-r--r--src/libutil/util.hh1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 09eb4d6e2b5e..352b83e709f5 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -171,6 +171,7 @@ extern void (*_writeToStderr) (const unsigned char * buf, size_t count);
    requested number of bytes. */
 void readFull(int fd, unsigned char * buf, size_t count);
 void writeFull(int fd, const unsigned char * buf, size_t count);
+void writeFull(int fd, const string & s);
 
 MakeError(EndOfFile, Error)