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Allow named pipes for our log files.
Closes ticket 12061. Based on a patch from "carlo von lynX" on tor-dev at https://lists.torproject.org/pipermail/tor-dev/2014-April/006705.html
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changes/bug12061
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changes/bug12061
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@ -0,0 +1,4 @@
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o Minor features:
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- On unix, you can now use named pipes as the target of the Log
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option, and other options that try to append to files. Closes
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ticket 12061. Patch from "carlo von lynX".
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@ -981,14 +981,23 @@ tor_fd_getpos(int fd)
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#endif
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}
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/** Move <b>fd</b> to the end of the file. Return -1 on error, 0 on success. */
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/** Move <b>fd</b> to the end of the file. Return -1 on error, 0 on success.
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* If the file is a pipe, do nothing and succeed.
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**/
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int
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tor_fd_seekend(int fd)
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{
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#ifdef _WIN32
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return _lseek(fd, 0, SEEK_END) < 0 ? -1 : 0;
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#else
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return lseek(fd, 0, SEEK_END) < 0 ? -1 : 0;
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int rc = lseek(fd, 0, SEEK_END) < 0 ? -1 : 0;
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#ifdef ESPIPE
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/* If we get an error and ESPIPE, then it's a pipe or a socket of a fifo:
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* no need to worry. */
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if (rc < 0 && errno == ESPIPE)
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rc = 0;
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#endif
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return rc;
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#endif
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}
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