diff options
author | dkf <donal.k.fellows@manchester.ac.uk> | 2006-11-07 14:10:51 (GMT) |
---|---|---|
committer | dkf <donal.k.fellows@manchester.ac.uk> | 2006-11-07 14:10:51 (GMT) |
commit | 8872a28ce80804bfee1543badf58c7195cdfde67 (patch) | |
tree | 3fd632fee1482f16613204123fd5e287e96046e7 /generic/tclBinary.c | |
parent | 1cfae03f5622dbb21d22217d25c72aa93611ab7b (diff) | |
download | tcl-8872a28ce80804bfee1543badf58c7195cdfde67.zip tcl-8872a28ce80804bfee1543badf58c7195cdfde67.tar.gz tcl-8872a28ce80804bfee1543badf58c7195cdfde67.tar.bz2 |
Minor changes (whitespace police, etc.)
Diffstat (limited to 'generic/tclBinary.c')
-rw-r--r-- | generic/tclBinary.c | 115 |
1 files changed, 56 insertions, 59 deletions
diff --git a/generic/tclBinary.c b/generic/tclBinary.c index 0c52995..84fedf3 100644 --- a/generic/tclBinary.c +++ b/generic/tclBinary.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclBinary.c,v 1.31 2006/10/10 16:15:48 dkf Exp $ + * RCS: @(#) $Id: tclBinary.c,v 1.32 2006/11/07 14:10:51 dkf Exp $ */ #include "tclInt.h" @@ -123,7 +123,7 @@ typedef struct ByteArray { * above. */ } ByteArray; -#define BYTEARRAY_SIZE(len) \ +#define BYTEARRAY_SIZE(len) \ ((unsigned) (sizeof(ByteArray) - 4 + (len))) #define GET_BYTEARRAY(objPtr) \ ((ByteArray *) (objPtr)->internalRep.otherValuePtr) @@ -278,7 +278,7 @@ Tcl_SetByteArrayObj( byteArrayPtr = (ByteArray *) ckalloc(BYTEARRAY_SIZE(length)); byteArrayPtr->used = length; byteArrayPtr->allocated = length; - memcpy((VOID *) byteArrayPtr->bytes, (VOID *) bytes, (size_t) length); + memcpy(byteArrayPtr->bytes, bytes, (size_t) length); objPtr->typePtr = &tclByteArrayType; SET_BYTEARRAY(objPtr, byteArrayPtr); @@ -360,8 +360,8 @@ Tcl_SetByteArrayLength( newByteArrayPtr = (ByteArray *) ckalloc(BYTEARRAY_SIZE(length)); newByteArrayPtr->used = length; newByteArrayPtr->allocated = length; - memcpy((VOID *) newByteArrayPtr->bytes, - (VOID *) byteArrayPtr->bytes, (size_t) byteArrayPtr->used); + memcpy(newByteArrayPtr->bytes, byteArrayPtr->bytes, + (size_t) byteArrayPtr->used); ckfree((char *) byteArrayPtr); byteArrayPtr = newByteArrayPtr; SET_BYTEARRAY(objPtr, byteArrayPtr); @@ -473,8 +473,7 @@ DupByteArrayInternalRep( copyArrayPtr = (ByteArray *) ckalloc(BYTEARRAY_SIZE(length)); copyArrayPtr->used = length; copyArrayPtr->allocated = length; - memcpy((VOID *) copyArrayPtr->bytes, (VOID *) srcArrayPtr->bytes, - (size_t) length); + memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, (size_t) length); SET_BYTEARRAY(copyPtr, copyArrayPtr); copyPtr->typePtr = &tclByteArrayType; @@ -532,7 +531,7 @@ UpdateStringOfByteArray( objPtr->length = size; if (size == length) { - memcpy((VOID *) dst, (VOID *) src, (size_t) size); + memcpy(dst, src, (size_t) size); dst[size] = '\0'; } else { for (i = 0; i < length; i++) { @@ -706,7 +705,7 @@ Tcl_BinaryObjCmd( } else if (count > listc) { Tcl_AppendResult(interp, "number of elements in list does not match count", - (char *) NULL); + NULL); return TCL_ERROR; } } @@ -717,7 +716,7 @@ Tcl_BinaryObjCmd( if (count == BINARY_ALL) { Tcl_AppendResult(interp, "cannot use \"*\" in format string with \"x\"", - (char *) NULL); + NULL); return TCL_ERROR; } else if (count == BINARY_NOCOUNT) { count = 1; @@ -767,7 +766,7 @@ Tcl_BinaryObjCmd( resultPtr = Tcl_NewObj(); buffer = Tcl_SetByteArrayLength(resultPtr, length); - memset((VOID *) buffer, 0, (size_t) length); + memset(buffer, 0, (size_t) length); /* * Pack the data into the result object. Note that we can skip the @@ -802,11 +801,10 @@ Tcl_BinaryObjCmd( count = 1; } if (length >= count) { - memcpy((VOID *) cursor, (VOID *) bytes, (size_t) count); + memcpy(cursor, bytes, (size_t) count); } else { - memcpy((VOID *) cursor, (VOID *) bytes, (size_t) length); - memset((VOID *) (cursor + length), pad, - (size_t) (count - length)); + memcpy(cursor, bytes, (size_t) length); + memset(cursor + length, pad, (size_t) (count - length)); } cursor += count; break; @@ -1153,7 +1151,7 @@ Tcl_BinaryObjCmd( DeleteScanNumberCache(numberCachePtr); return TCL_ERROR; } - offset += (count + 7 ) / 8; + offset += (count + 7) / 8; break; } case 'h': @@ -1252,7 +1250,8 @@ Tcl_BinaryObjCmd( if ((length - offset) < size) { goto done; } - valuePtr = ScanNumber(buffer+offset, cmd, flags, &numberCachePtr); + valuePtr = ScanNumber(buffer+offset, cmd, flags, + &numberCachePtr); offset += size; } else { if (count == BINARY_ALL) { @@ -1264,7 +1263,8 @@ Tcl_BinaryObjCmd( valuePtr = Tcl_NewObj(); src = buffer+offset; for (i = 0; i < count; i++) { - elementPtr = ScanNumber(src, cmd, flags, &numberCachePtr); + elementPtr = ScanNumber(src, cmd, flags, + &numberCachePtr); src += size; Tcl_ListObjAppendElement(NULL, valuePtr, elementPtr); } @@ -1441,10 +1441,10 @@ GetFormatSpec( * Windows) don't need to do anything. * * Results: - * 0 No re-ordering needed. - * 1 Reverse the bytes: 01234567 <-> 76543210 (little to big) - * 2 Apply this re-ordering: 01234567 <-> 45670123 (Nokia to little) - * 3 Apply this re-ordering: 01234567 <-> 32107654 (Nokia to big) + * 0 No re-ordering needed. + * 1 Reverse the bytes: 01234567 <-> 76543210 (little to big) + * 2 Apply this re-ordering: 01234567 <-> 45670123 (Nokia to little) + * 3 Apply this re-ordering: 01234567 <-> 32107654 (Nokia to big) * * Side effects: * None @@ -1498,10 +1498,11 @@ NeedReversing( #ifndef WORDS_BIGENDIAN /* - * The Q and q formats need special handling to account for the - * unusual byte ordering of 8-byte floats on Nokia 770 systems, which - * claim to be little-endian, but also reverse word order. + * The Q and q formats need special handling to account for the unusual + * byte ordering of 8-byte floats on Nokia 770 systems, which claim to be + * little-endian, but also reverse word order. */ + case 'Q': if (TclNokia770Doubles()) { return 3; @@ -1550,8 +1551,8 @@ CopyNumber( memcpy(to, from, length); break; case 1: { - CONST unsigned char *fromPtr = (CONST unsigned char *) from; - unsigned char *toPtr = (unsigned char *) to; + CONST unsigned char *fromPtr = from; + unsigned char *toPtr = to; switch (length) { case 4: @@ -1574,8 +1575,8 @@ CopyNumber( break; } case 2: { - CONST unsigned char *fromPtr = (CONST unsigned char *) from; - unsigned char *toPtr = (unsigned char *) to; + CONST unsigned char *fromPtr = from; + unsigned char *toPtr = to; toPtr[0] = fromPtr[4]; toPtr[1] = fromPtr[5]; @@ -1588,8 +1589,8 @@ CopyNumber( break; } case 3: { - CONST unsigned char *fromPtr = (CONST unsigned char *) from; - unsigned char *toPtr = (unsigned char *) to; + CONST unsigned char *fromPtr = from; + unsigned char *toPtr = to; toPtr[0] = fromPtr[3]; toPtr[1] = fromPtr[2]; @@ -1645,7 +1646,7 @@ FormatNumber( */ if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) { - if ( src->typePtr != &tclDoubleType ) { + if (src->typePtr != &tclDoubleType) { return TCL_ERROR; } dvalue = src->internalRep.doubleValue; @@ -1664,7 +1665,7 @@ FormatNumber( */ if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) { - if ( src->typePtr != &tclDoubleType ) { + if (src->typePtr != &tclDoubleType) { return TCL_ERROR; } dvalue = src->internalRep.doubleValue; @@ -1811,8 +1812,7 @@ ScanNumber( * when we cast from smaller values to larger values because we don't know * the exact size of the integer types. So, we have to handle sign * extension explicitly by checking the high bit and padding with 1's as - * needed. - * This practice is disabled if the BINARY_UNSIGNED flag is set. + * needed. This practice is disabled if the BINARY_UNSIGNED flag is set. */ switch (type) { @@ -1878,17 +1878,15 @@ ScanNumber( * 32bit signed and unsigned in the hash (short and char are ok). */ - if ((flags & BINARY_UNSIGNED)) { + if (flags & BINARY_UNSIGNED) { return Tcl_NewWideIntObj((Tcl_WideInt)(unsigned long)value); - } else { - if ((value & (((unsigned int)1)<<31)) && (value > 0)) { - value -= (((unsigned int)1)<<31); - value -= (((unsigned int)1)<<31); - } + } + if ((value & (((unsigned int)1)<<31)) && (value > 0)) { + value -= (((unsigned int)1)<<31); + value -= (((unsigned int)1)<<31); } returnNumericObject: - if (*numberCachePtrPtr == NULL) { return Tcl_NewLongObj(value); } else { @@ -1900,26 +1898,26 @@ ScanNumber( if (!isNew) { return (Tcl_Obj *) Tcl_GetHashValue(hPtr); } - if (tablePtr->numEntries > BINARY_SCAN_MAX_CACHE) { - /* - * We've overflowed the cache! Someone's parsing a LOT of - * varied binary data in a single call! Bail out by switching - * back to the old behaviour for the rest of the scan. - * - * Note that anyone just using the 'c' conversion (for bytes) - * cannot trigger this. - */ - - DeleteScanNumberCache(tablePtr); - *numberCachePtrPtr = NULL; - return Tcl_NewLongObj(value); - } else { + if (tablePtr->numEntries <= BINARY_SCAN_MAX_CACHE) { register Tcl_Obj *objPtr = Tcl_NewLongObj(value); Tcl_IncrRefCount(objPtr); Tcl_SetHashValue(hPtr, (ClientData) objPtr); return objPtr; } + + /* + * We've overflowed the cache! Someone's parsing a LOT of varied + * binary data in a single call! Bail out by switching back to the + * old behaviour for the rest of the scan. + * + * Note that anyone just using the 'c' conversion (for bytes) + * cannot trigger this. + */ + + DeleteScanNumberCache(tablePtr); + *numberCachePtrPtr = NULL; + return Tcl_NewLongObj(value); } /* @@ -1956,9 +1954,8 @@ ScanNumber( TclBNInitBignumFromWideUInt(&big, uwvalue); bigObj = Tcl_NewBignumObj(&big); return bigObj; - } else { - return Tcl_NewWideIntObj((Tcl_WideInt) uwvalue); } + return Tcl_NewWideIntObj((Tcl_WideInt) uwvalue); /* * Do not cache double values; they are already too large to use as @@ -2021,7 +2018,7 @@ DeleteScanNumberCache( hEntry = Tcl_FirstHashEntry(numberCachePtr, &search); while (hEntry != NULL) { - register Tcl_Obj *value = (Tcl_Obj *) Tcl_GetHashValue(hEntry); + register Tcl_Obj *value = Tcl_GetHashValue(hEntry); if (value != NULL) { Tcl_DecrRefCount(value); |