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Diffstat (limited to 'mcon/U/d_dirfd.U')
-rw-r--r-- | mcon/U/d_dirfd.U | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mcon/U/d_dirfd.U b/mcon/U/d_dirfd.U new file mode 100644 index 0000000..3e64671 --- /dev/null +++ b/mcon/U/d_dirfd.U @@ -0,0 +1,42 @@ +?RCS: +?RCS: Copyright (c) 2015 Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_dirfd: Trylink cat i_dirent +?MAKE: -pick add $@ %< +?S:d_dirfd: +?S: This variable conditionally defines HAS_DIRFD when dirfd() is +?S: available to get the underlying file descriptor from opendir(). +?S:. +?C:HAS_DIRFD: +?C: This symbol, if defined, indicates that the dirfd() routine is +?C: available to get the underlying file descriptor from a DIR * +?C: opened by opendir(). +?C:. +?H:#$d_dirfd HAS_DIRFD /**/ +?H:. +?LINT:set d_dirfd +: see if dirfd exists +$cat >try.c <<EOC +#include <sys/types.h> +#$i_dirent I_DIRENT +#ifdef I_DIRENT +#include <dirent.h> +#endif +int main(void) +{ + static DIR *dir; + static int ret; + ret = dirfd(dir); + return ret ? 0 : 1; +} +EOC +cyn=dirfd +set d_dirfd +eval $trylink + |