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[zstdcli] Add a flag to control literals compression

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This commit is contained in:
Nick Terrell
2019-02-15 14:15:36 -08:00
parent 5261a288d1
commit 0c53c5ad4a
6 changed files with 42 additions and 8 deletions
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5
programs/zstdcli.c
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@ -148,6 +148,7 @@ static int usage_advanced(const char* programName)
#endif
DISPLAY( "--no-dictID : don't write dictID into header (dictionary compression)\n");
DISPLAY( "--[no-]check : integrity check (default: enabled) \n");
DISPLAY( "--[no-]compress-literals : force (un)compressed literals \n");
#endif
#ifdef UTIL_HAS_CREATEFILELIST
DISPLAY( " -r : operate recursively on directories \n");
@ -483,7 +484,7 @@ static int init_cLevel(void) {
if ((*ptr>='0') && (*ptr<='9')) {
unsigned absLevel;
if (readU32FromCharChecked(&ptr, &absLevel)) {
if (readU32FromCharChecked(&ptr, &absLevel)) {
DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large\n", ENV_CLEVEL, env);
return ZSTDCLI_CLEVEL_DEFAULT;
} else if (*ptr == 0) {
@ -659,6 +660,8 @@ int main(int argCount, const char* argv[])
if (!strcmp(argument, "--format=lz4")) { suffix = LZ4_EXTENSION; FIO_setCompressionType(prefs, FIO_lz4Compression); continue; }
#endif
if (!strcmp(argument, "--rsyncable")) { rsyncable = 1; continue; }
if (!strcmp(argument, "--compress-literals")) { FIO_setLiteralCompressionMode(prefs, ZSTD_lcm_huffman); continue; }
if (!strcmp(argument, "--no-compress-literals")) { FIO_setLiteralCompressionMode(prefs, ZSTD_lcm_uncompressed); continue; }
if (!strcmp(argument, "--no-progress")) { FIO_setNoProgress(1); continue; }
/* long commands with arguments */