Author: jilles
Date: Sun May 21 14:35:16 2017
New Revision: 318592
URL: https://svnweb.freebsd.org/changeset/base/318592
Log:
compress: Allow uncompress -c with multiple pathnames, as required by POSIX.
Per POSIX, allow passing multiple pathnames to uncompress -c, concatenating
the uncompressed data.
Passing multiple pathnames to compress -c remains disallowed, since the
result cannot be decompressed.
PR: 219387
Reported by: Jörg Schilling
Modified:
head/usr.bin/compress/compress.c
head/usr.bin/compress/tests/compress_test.sh
Modified: head/usr.bin/compress/compress.c
==============================================================================
--- head/usr.bin/compress/compress.c Sun May 21 14:05:32 2017
(r318591)
+++ head/usr.bin/compress/compress.c Sun May 21 14:35:16 2017
(r318592)
@@ -129,7 +129,7 @@ main(int argc, char *argv[])
exit (eval);
}
- if (cat == 1 && argc > 1)
+ if (cat == 1 && style == COMPRESS && argc > 1)
errx(1, "the -c option permits only a single file argument");
for (; *argv; ++argv)
Modified: head/usr.bin/compress/tests/compress_test.sh
==============================================================================
--- head/usr.bin/compress/tests/compress_test.sh Sun May 21 14:05:32
2017 (r318591)
+++ head/usr.bin/compress/tests/compress_test.sh Sun May 21 14:35:16
2017 (r318592)
@@ -161,6 +161,27 @@ compress_uncompress_file_2_body()
atf_check cmp file2 expectfile2
}
+atf_test_case compress_uncompress_file_minusc_1
+compress_uncompress_file_minusc_1_head()
+{
+ atf_set "descr" \
+ "Test compressing and uncompressing some data, passing two
filenames to uncompress -c"
+}
+compress_uncompress_file_minusc_1_body()
+{
+ printf '%01000d\n' 7 8 >expectfile1
+ printf '%01000d\n' 8 7 >expectfile2
+ cp expectfile1 file1
+ cp expectfile2 file2
+ atf_check compress file1 file2
+ atf_check -s exit:1 cmp -s file1.Z expectfile1
+ atf_check -s exit:1 cmp -s file2.Z expectfile2
+ atf_check -s exit:1 cmp -s file1.Z file2.Z
+ atf_check -x 'uncompress -c file1.Z file2.Z >all'
+ atf_check -x 'cat expectfile1 expectfile2 >expectall'
+ atf_check cmp all expectall
+}
+
atf_init_test_cases()
{
atf_add_test_case uncompress_file_1
@@ -171,4 +192,5 @@ atf_init_test_cases()
atf_add_test_case compress_uncompress_minusc_1
atf_add_test_case compress_uncompress_file_1
atf_add_test_case compress_uncompress_file_2
+ atf_add_test_case compress_uncompress_file_minusc_1
}
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