ddidderr/zstd-rs
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Add parameter to control multiple DDicts

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This commit is contained in:
senhuang42
2021-01-07 12:29:11 -05:00
parent f933668d3f
commit fd5b608f1c
3 changed files with 32 additions and 1 deletions
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lib/decompress/zstd_decompress.c
+9
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@@ -1530,6 +1530,9 @@ ZSTD_bounds ZSTD_dParam_getBounds(ZSTD_dParameter dParam)
bounds.lowerBound = (int)ZSTD_d_validateChecksum;
bounds.upperBound = (int)ZSTD_d_ignoreChecksum;
return bounds;
case ZSTD_d_refMultipleDDicts:
bounds.lowerBound = (int)ZSTD_d_refSingleDict;
bounds.upperBound = (int)ZSTD_d_refMultipleDicts;
default:;
}
bounds.error = ERROR(parameter_unsupported);
@@ -1567,6 +1570,9 @@ size_t ZSTD_DCtx_getParameter(ZSTD_DCtx* dctx, ZSTD_dParameter param, int* value
case ZSTD_d_forceIgnoreChecksum:
*value = (int)dctx->forceIgnoreChecksum;
return 0;
case ZSTD_d_refMultipleDDicts:
*value = (int)dctx->refMultipleDDicts;
return 0;
default:;
}
RETURN_ERROR(parameter_unsupported, "");
@@ -1593,6 +1599,9 @@ size_t ZSTD_DCtx_setParameter(ZSTD_DCtx* dctx, ZSTD_dParameter dParam, int value
CHECK_DBOUNDS(ZSTD_d_forceIgnoreChecksum, value);
dctx->forceIgnoreChecksum = (ZSTD_forceIgnoreChecksum_e)value;
return 0;
case ZSTD_d_refMultipleDDicts:
CHECK_DBOUNDS(ZSTD_d_refMultipleDDicts, value);
dctx->refMultipleDDicts = (ZSTD_refMultipleDDicts_e)value;
default:;
}
RETURN_ERROR(parameter_unsupported, "");
lib/decompress/zstd_decompress_internal.h
+1
View File
@@ -136,6 +136,7 @@ struct ZSTD_DCtx_s
U32 dictID;
int ddictIsCold; /* if == 1 : dictionary is "new" for working context, and presumed "cold" (not in cpu cache) */
ZSTD_dictUses_e dictUses;
ZSTD_refMultipleDDicts_e refMultipleDDicts; /* User specified: if == 1, will allow references to multiple DDicts. Default == 0 (disabled) */
/* streaming */
ZSTD_dStreamStage streamStage;