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Diffstat (limited to 'mcon/U/d_openat.U')
| -rw-r--r-- | mcon/U/d_openat.U | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/mcon/U/d_openat.U b/mcon/U/d_openat.U new file mode 100644 index 0000000..47beb25 --- /dev/null +++ b/mcon/U/d_openat.U @@ -0,0 +1,38 @@ +?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_openat: Trylink cat +?MAKE: -pick add $@ %< +?S:d_openat: +?S: This variable conditionally defines HAS_OPENAT if openat() is +?S: available to open files with a relative path interepreted in +?S: the context of an opened directory. +?S:. +?C:HAS_OPENAT: +?C: This symbol, if defined, indicates that the openat() routine is +?C: available to open files with a relative path interepreted in +?C: the context of an opened directory. +?C:. +?H:#$d_openat HAS_OPENAT /**/ +?H:. +?LINT:set d_openat +: see if openat exists +$cat >try.c <<EOC +#include <fcntl.h> /* AT_* constants */ +int main(void) +{ + static int ret; + ret |= openat(AT_FDCWD, "path", /* flags */ 0, /* mode */ 0); + return ret ? 0 : 1; +} +EOC +cyn=openat +set d_openat +eval $trylink + |