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| author | Kaz Kylheku <kaz@kylheku.com> | 2023-09-12 23:53:38 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2023-09-12 23:53:38 -0700 |
| commit | ae81e1d90f90fbb74ffb1a71dde80f7f285506df (patch) | |
| tree | d52d39ce68ca635e412ce8ceee0458425a3fbe53 /txr.1 | |
| parent | 910294bcb183aa31de761c39f500d21d9448bd67 (diff) | |
| download | txr-ae81e1d90f90fbb74ffb1a71dde80f7f285506df.tar.gz txr-ae81e1d90f90fbb74ffb1a71dde80f7f285506df.tar.bz2 txr-ae81e1d90f90fbb74ffb1a71dde80f7f285506df.zip | |
chdir: support stream and fd argument via fchdir.
* configure: new test for fchdir resulting in
HAVE_FCHDIR.
* sysif.c (get_fd): Define for HAVE_FCHDIR also.
(chdir_wrap): If HAVE_FCHDIR, handle non-string
arguments via fchdir, with help of get_fd.
* txr.1: Documented.
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 21 |
1 files changed, 17 insertions, 4 deletions
@@ -72513,17 +72513,30 @@ instead of .coNP Function @ chdir .synb -.mets (chdir << path ) +.mets (chdir >> { path | < stream | << fd }) .syne .desc .code chdir -changes the current working directory to -.metn path , -and returns +changes the current working directory to the object specified +by the argument, and returns .metn t , or else throws an exception of type .codn file-error . +If the argument is a string, it is interpreted as a +.metn path , +in which case the POSIX +.code chdir +function is used. If the argument is a +.meta stream +then an integer file descriptor is retrieved from that stream using the +.code fileno +function. That descriptor can be specified directly as a +.meta fd +argument. In the case of these these two argument types, the +.code fchdir +function is used. + .coNP Function @ pwd .synb .mets (pwd) |