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test/test_metaflac.sh: POSIXify embedded awk script.

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The embedded awk script was using the 'lshift' function which
apparently only exists in GNU auk (gawk) and definitely does not
exist in mawk.

Thanks to Martijn van Beurden <mvanb1@gmail.com> for reporting
this issue.
This commit is contained in:
Erik de Castro Lopo
2013-04-25 13:53:21 +10:00
parent 4f24161246
commit 69c44a51de
1 changed files with 6 additions and 1 deletions
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7
test/test_metaflac.sh
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@@ -399,6 +399,7 @@ echo OK
tonegenerator ()
{
# When using GAWK, use --lint=posix to identify non-POSIX awk usages.
awk -- '
BEGIN {
samplerate = '$1';
@@ -407,7 +408,11 @@ tonegenerator ()
duration = 1;
bitspersample = 24;
samplemidpoint = lshift(1, (bitspersample-1));
samplemidpoint = 1;
for (sps = 0 ; sps < bitspersample - 1 ; sps++) {
samplemidpoint *= 2;
}
samplerange = samplemidpoint - 1;
pi = 4 * atan2(1,1);