Doesn't print any output when the file does validate (I guess it just
sets a zero status code).  Crashes often when the argument is missing/invalid.

Seems a bit touchy even when the argument file exists and is empty or
invalid:

[root@localhost SOURCES]# touch foo
[root@localhost SOURCES]# polkit-policy-file-validate foo
*** glibc detected *** polkit-policy-file-validate: free(): invalid pointer:
0x00007fff08f01646 ***
======= Backtrace: =========
/lib64/libc.so.6[0x3389c72832]
/lib64/libc.so.6(cfree+0x8c)[0x3389c75f2c]
/usr/lib64/libpolkit.so.2[0x34f44060b7]
/usr/lib64/libpolkit.so.2(polkit_policy_file_new+0x1dd)[0x34f440632d]
polkit-policy-file-validate[0x4008af]
/lib64/libc.so.6(__libc_start_main+0xf4)[0x3389c1e074]
polkit-policy-file-validate[0x400759]
======= Memory map: ========
00400000-00401000 r-xp 00000000 fd:02 6987000                           
/usr/bin/polkit-policy-file-validate
00600000-00602000 rw-p 00000000 fd:02 6987000                           
/usr/bin/polkit-policy-file-validate
00602000-00623000 rw-p 00602000 00:00 0                                  [heap]
3388a00000-3388a1b000 r-xp 00000000 fd:02 2520975                       
/lib64/ld-2.7.so
3388c1a000-3388c1b000 r--p 0001a000 fd:02 2520975                       
/lib64/ld-2.7.so
3388c1b000-3388c1c000 rw-p 0001b000 fd:02 2520975                       
/lib64/ld-2.7.so
3389c00000-3389d4d000 r-xp 00000000 fd:02 2520976                       
/lib64/libc-2.7.so
3389d4d000-3389f4d000 ---p 0014d000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f4d000-3389f51000 r--p 0014d000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f51000-3389f52000 rw-p 00151000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f52000-3389f57000 rw-p 3389f52000 00:00 0 
338c800000-338c821000 r-xp 00000000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338c821000-338ca20000 ---p 00021000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338ca20000-338ca23000 rw-p 00020000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338fc00000-338fc0d000 r-xp 00000000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
338fc0d000-338fe0d000 ---p 0000d000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
338fe0d000-338fe0e000 rw-p 0000d000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
34f1200000-34f12c7000 r-xp 00000000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f12c7000-34f14c6000 ---p 000c7000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f14c6000-34f14c8000 rw-p 000c6000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f4400000-34f440c000 r-xp 00000000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
34f440c000-34f460c000 ---p 0000c000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
34f460c000-34f460d000 rw-p 0000c000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
2aaaaaaab000-2aaaaaaad000 rw-p 2aaaaaaab000 00:00 0 
2aaaaaadf000-2aaaaaae1000 rw-p 2aaaaaadf000 00:00 0 
2aaaac000000-2aaaac021000 rw-p 2aaaac000000 00:00 0 
2aaaac021000-2aaab0000000 ---p 2aaaac021000 00:00 0 
7fff08eee000-7fff08f03000 rw-p 7ffffffea000 00:00 0                      [stack]
7fff08ffe000-7fff09000000 r-xp 7fff08ffe000 00:00 0                      [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
Aborted
[root@localhost SOURCES]# echo "1" > foo
[root@localhost SOURCES]# polkit-policy-file-validate foo
*** glibc detected *** polkit-policy-file-validate: free(): invalid pointer:
0x00007fffb122a966 ***
======= Backtrace: =========
/lib64/libc.so.6[0x3389c72832]
/lib64/libc.so.6(cfree+0x8c)[0x3389c75f2c]
/usr/lib64/libpolkit.so.2[0x34f44060b7]
/usr/lib64/libpolkit.so.2(polkit_policy_file_new+0x1dd)[0x34f440632d]
polkit-policy-file-validate[0x4008af]
/lib64/libc.so.6(__libc_start_main+0xf4)[0x3389c1e074]
polkit-policy-file-validate[0x400759]
======= Memory map: ========
00400000-00401000 r-xp 00000000 fd:02 6987000                           
/usr/bin/polkit-policy-file-validate
00600000-00602000 rw-p 00000000 fd:02 6987000                           
/usr/bin/polkit-policy-file-validate
00602000-00623000 rw-p 00602000 00:00 0                                  [heap]
3388a00000-3388a1b000 r-xp 00000000 fd:02 2520975                       
/lib64/ld-2.7.so
3388c1a000-3388c1b000 r--p 0001a000 fd:02 2520975                       
/lib64/ld-2.7.so
3388c1b000-3388c1c000 rw-p 0001b000 fd:02 2520975                       
/lib64/ld-2.7.so
3389c00000-3389d4d000 r-xp 00000000 fd:02 2520976                       
/lib64/libc-2.7.so
3389d4d000-3389f4d000 ---p 0014d000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f4d000-3389f51000 r--p 0014d000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f51000-3389f52000 rw-p 00151000 fd:02 2520976                       
/lib64/libc-2.7.so
3389f52000-3389f57000 rw-p 3389f52000 00:00 0 
338c800000-338c821000 r-xp 00000000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338c821000-338ca20000 ---p 00021000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338ca20000-338ca23000 rw-p 00020000 fd:02 2520992                       
/lib64/libexpat.so.1.5.2
338fc00000-338fc0d000 r-xp 00000000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
338fc0d000-338fe0d000 ---p 0000d000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
338fe0d000-338fe0e000 rw-p 0000d000 fd:02 2520994                       
/lib64/libgcc_s-4.1.2-20070925.so.1
34f1200000-34f12c7000 r-xp 00000000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f12c7000-34f14c6000 ---p 000c7000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f14c6000-34f14c8000 rw-p 000c6000 fd:02 2520880                       
/lib64/libglib-2.0.so.0.1400.4
34f4400000-34f440c000 r-xp 00000000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
34f440c000-34f460c000 ---p 0000c000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
34f460c000-34f460d000 rw-p 0000c000 fd:02 6982142                       
/usr/lib64/libpolkit.so.2.0.0
2aaaaaaab000-2aaaaaaad000 rw-p 2aaaaaaab000 00:00 0 
2aaaaaadf000-2aaaaaae1000 rw-p 2aaaaaadf000 00:00 0 
2aaaac000000-2aaaac021000 rw-p 2aaaac000000 00:00 0 
2aaaac021000-2aaab0000000 ---p 2aaaac021000 00:00 0 
7fffb1217000-7fffb122c000 rw-p 7ffffffea000 00:00 0                      [stack]
7fffb13fe000-7fffb1400000 r-xp 7fffb13fe000 00:00 0                      [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
Aborted

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