| 1 | ?RCS: $Id$ |
| 2 | ?RCS: |
| 3 | ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi |
| 4 | ?RCS: |
| 5 | ?RCS: You may redistribute only under the terms of the Artistic License, |
| 6 | ?RCS: as specified in the README file that comes with the distribution. |
| 7 | ?RCS: You may reuse parts of this distribution only within the terms of |
| 8 | ?RCS: that same Artistic License; a copy of which may be found at the root |
| 9 | ?RCS: of the source tree for dist 4.0. |
| 10 | ?RCS: |
| 11 | ?RCS: $Log: d_access.U,v $ |
| 12 | ?RCS: Revision 3.0 1993/08/18 12:05:42 ram |
| 13 | ?RCS: Baseline for dist 3.0 netwide release. |
| 14 | ?RCS: |
| 15 | ?MAKE:d_access: test +cc cat +cppflags h_fcntl h_sysfile rm Inlibc Findhdr |
| 16 | ?MAKE: -pick add $@ %< |
| 17 | ?S:d_access: |
| 18 | ?S: This variable conditionally defines HAS_ACCESS if the access() system |
| 19 | ?S: call is available to check for access permissions using real IDs. |
| 20 | ?S:. |
| 21 | ?C:HAS_ACCESS: |
| 22 | ?C: This manifest constant lets the C program know that the access() |
| 23 | ?C: system call is available to check for accessibility using real UID/GID. |
| 24 | ?C: (always present on UNIX.) |
| 25 | ?C:. |
| 26 | ?H:#$d_access HAS_ACCESS /**/ |
| 27 | ?H:. |
| 28 | ?W:%<:R_OK W_OK X_OK F_OK |
| 29 | ?LINT:set d_access |
| 30 | ?LINT:change h_fcntl h_sysfile |
| 31 | : access call always available on UNIX |
| 32 | set access d_access |
| 33 | eval $inlibc |
| 34 | |
| 35 | : locate the flags for 'access()' |
| 36 | case "$d_access" in |
| 37 | "$define") |
| 38 | echo " " |
| 39 | $cat >access.c <<'EOCP' |
| 40 | #include <sys/types.h> |
| 41 | #ifdef I_FCNTL |
| 42 | #include <fcntl.h> |
| 43 | #endif |
| 44 | #ifdef I_SYS_FILE |
| 45 | #include <sys/file.h> |
| 46 | #endif |
| 47 | #ifdef I_UNISTD |
| 48 | #include <unistd.h> |
| 49 | #endif |
| 50 | int main() { |
| 51 | exit(R_OK); |
| 52 | } |
| 53 | EOCP |
| 54 | : check sys/file.h first, no particular reason here |
| 55 | if $test `./findhdr sys/file.h` && \ |
| 56 | $cc -o access $cppflags -DI_SYS_FILE access.c >/dev/null 2>&1 ; then |
| 57 | h_sysfile=true; |
| 58 | echo "<sys/file.h> defines the *_OK access constants." >&4 |
| 59 | elif $test `./findhdr fcntl.h` && \ |
| 60 | $cc -o access $cppflags -DI_FCNTL access.c >/dev/null 2>&1 ; then |
| 61 | h_fcntl=true; |
| 62 | echo "<fcntl.h> defines the *_OK access constants." >&4 |
| 63 | @if I_UNISTD |
| 64 | elif $test `./findhdr unistd.h` && \ |
| 65 | $cc -o access $cppflags -DI_UNISTD access.c >/dev/null 2>&1 ; then |
| 66 | echo "<unistd.h> defines the *_OK access constants." >&4 |
| 67 | @end |
| 68 | else |
| 69 | echo "I can't find the four *_OK access constants--I'll use mine." >&4 |
| 70 | fi |
| 71 | ;; |
| 72 | esac |
| 73 | $rm -f access* |
| 74 | |