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Support compression levels >= 10 and use zstd's internal default level.

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zstd supports regular compression levels 1 through 22.  The special
level 0 indicates to use zstd's internal default (currently level 3).
This commit is contained in:
Mike Kasick 2023-09-12 00:02:07 -04:00 committed by Nathan Moinvaziri
parent 680d6f1dcf
commit 21606891ab
2 changed files with 2 additions and 2 deletions
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2
minizip.c
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@ -573,7 +573,7 @@ int main(int argc, const char *argv[]) {
else if ((c == 'v') || (c == 'V')) else if ((c == 'v') || (c == 'V'))
options.verbose = 1; options.verbose = 1;
else if ((c >= '0') && (c <= '9')) { else if ((c >= '0') && (c <= '9')) {
options.compress_level = (c - '0'); options.compress_level = (int16_t)atoi(&argv[i][1]);
if (options.compress_level == 0) if (options.compress_level == 0)
options.compress_method = MZ_COMPRESS_METHOD_STORE; options.compress_method = MZ_COMPRESS_METHOD_STORE;
} else if ((c == 'b') || (c == 'B')) } else if ((c == 'b') || (c == 'B'))

2
mz_strm_zstd.c
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@ -313,7 +313,7 @@ int32_t mz_stream_zstd_set_prop_int64(void *stream, int32_t prop, int64_t value)
switch (prop) { switch (prop) {
case MZ_STREAM_PROP_COMPRESS_LEVEL: case MZ_STREAM_PROP_COMPRESS_LEVEL:
if (value < 0) if (value < 0)
zstd->preset = 6; zstd->preset = 0; // Use zstd default.
else else
zstd->preset = (int16_t)value; zstd->preset = (int16_t)value;
return MZ_OK; return MZ_OK;