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| author | Junio C Hamano <gitster@pobox.com> | 2019-02-13 18:18:43 -0800 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2019-02-13 18:18:43 -0800 |
| commit | b46221ff175286a7bab404f6f170ead2f57c4a1b (patch) | |
| tree | 5e4813b2edd45f1c820f8be0d7c251b1c8799a08 /t/test-lib-functions.sh | |
| parent | Merge branch 'rs/bash-is-in-coreutils-on-nonstop' (diff) | |
| parent | t5562: replace /dev/zero with a pipe from generate_zero_bytes (diff) | |
| download | git-b46221ff175286a7bab404f6f170ead2f57c4a1b.tar.gz git-b46221ff175286a7bab404f6f170ead2f57c4a1b.zip | |
Merge branch 'rb/no-dev-zero-in-test'
* rb/no-dev-zero-in-test:
t5562: replace /dev/zero with a pipe from generate_zero_bytes
t5318: replace use of /dev/zero with generate_zero_bytes
test-lib-functions.sh: add generate_zero_bytes function
Diffstat (limited to 't/test-lib-functions.sh')
| -rw-r--r-- | t/test-lib-functions.sh | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 969e2ba6da..094c07748a 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -116,6 +116,19 @@ remove_cr () { tr '\015' Q | sed -e 's/Q$//' } +# Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes). +# If $1 is 'infinity', output forever or until the receiving pipe stops reading, +# whichever comes first. +generate_zero_bytes () { + perl -e 'if ($ARGV[0] == "infinity") { + while (-1) { + print "\0" + } + } else { + print "\0" x $ARGV[0] + }' "$@" +} + # In some bourne shell implementations, the "unset" builtin returns # nonzero status when a variable to be unset was not set in the first # place. |