diff options
Diffstat (limited to 'generic/tclLink.c')
-rw-r--r-- | generic/tclLink.c | 93 |
1 files changed, 41 insertions, 52 deletions
diff --git a/generic/tclLink.c b/generic/tclLink.c index 2ead6df..88c98df 100644 --- a/generic/tclLink.c +++ b/generic/tclLink.c @@ -67,10 +67,8 @@ typedef struct Link { static char * LinkTraceProc(ClientData clientData,Tcl_Interp *interp, const char *name1, const char *name2, int flags); static Tcl_Obj * ObjValue(Link *linkPtr); -static int GetInvalidIntFromObj(Tcl_Obj *objPtr, - int *intPtr); -static int GetInvalidDoubleFromObj(Tcl_Obj *objPtr, - double *doublePtr); +static int GetInvalidIntFromObj(Tcl_Obj *objPtr, int *intPtr); +static int GetInvalidDoubleFromObj(Tcl_Obj *objPtr, double *doublePtr); /* * Convenience macro for accessing the value of the C variable pointed to by a @@ -263,7 +261,8 @@ LinkTraceProc( int flags) /* Miscellaneous additional information. */ { Link *linkPtr = clientData; - int changed, valueLength; + int changed; + size_t valueLength; const char *value; char **pp; Tcl_Obj *valueObj; @@ -384,8 +383,7 @@ LinkTraceProc( case TCL_LINK_INT: if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i) != TCL_OK) { - if (GetInvalidIntFromObj(valueObj, &linkPtr->lastValue.i) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &linkPtr->lastValue.i) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have integer value"; @@ -397,8 +395,7 @@ LinkTraceProc( case TCL_LINK_WIDE_INT: if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w) != TCL_OK) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have integer value"; @@ -441,8 +438,7 @@ LinkTraceProc( case TCL_LINK_CHAR: if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK || valueInt < SCHAR_MIN || valueInt > SCHAR_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have char value"; @@ -455,8 +451,7 @@ LinkTraceProc( case TCL_LINK_UCHAR: if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK || valueInt < 0 || valueInt > UCHAR_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have unsigned char value"; @@ -469,8 +464,7 @@ LinkTraceProc( case TCL_LINK_SHORT: if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK || valueInt < SHRT_MIN || valueInt > SHRT_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have short value"; @@ -483,8 +477,7 @@ LinkTraceProc( case TCL_LINK_USHORT: if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK || valueInt < 0 || valueInt > USHRT_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have unsigned short value"; @@ -497,8 +490,7 @@ LinkTraceProc( case TCL_LINK_UINT: if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK || valueWide < 0 || valueWide > UINT_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have unsigned int value"; @@ -513,8 +505,7 @@ LinkTraceProc( case TCL_LINK_LONG: if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK || valueWide < LONG_MIN || valueWide > LONG_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have long value"; @@ -529,8 +520,7 @@ LinkTraceProc( case TCL_LINK_ULONG: if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK || valueWide < 0 || (Tcl_WideUInt) valueWide > ULONG_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have unsigned long value"; @@ -547,8 +537,7 @@ LinkTraceProc( * FIXME: represent as a bignum. */ if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { + if (GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have unsigned wide int value"; @@ -575,12 +564,12 @@ LinkTraceProc( break; case TCL_LINK_STRING: - value = TclGetStringFromObj(valueObj, &valueLength); - valueLength++; + value = TclGetString(valueObj); + valueLength = valueObj->length + 1; pp = (char **) linkPtr->addr; *pp = ckrealloc(*pp, valueLength); - memcpy(*pp, value, (unsigned) valueLength); + memcpy(*pp, value, valueLength); break; default: @@ -688,17 +677,16 @@ static Tcl_ObjType invalidRealType = { static int SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) { - int length; const char *str; const char *endPtr; - str = TclGetStringFromObj(objPtr, &length); - if ((length == 1) && (str[0] == '.')){ + str = TclGetString(objPtr); + if ((objPtr->length == 1) && (str[0] == '.')){ objPtr->typePtr = &invalidRealType; objPtr->internalRep.doubleValue = 0.0; return TCL_OK; } - if (TclParseNumber(NULL, objPtr, NULL, str, length, &endPtr, + if (TclParseNumber(NULL, objPtr, NULL, str, objPtr->length, &endPtr, TCL_PARSE_DECIMAL_ONLY) == TCL_OK) { /* If number is followed by [eE][+-]?, then it is an invalid * double, but it could be the start of a valid double. */ @@ -708,7 +696,7 @@ SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) { if (*endPtr == 0) { double doubleValue = 0.0; Tcl_GetDoubleFromObj(NULL, objPtr, &doubleValue); - if (objPtr->typePtr->freeIntRepProc) objPtr->typePtr->freeIntRepProc(objPtr); + TclFreeIntRep(objPtr); objPtr->typePtr = &invalidRealType; objPtr->internalRep.doubleValue = doubleValue; return TCL_OK; @@ -722,23 +710,21 @@ SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) { /* * This function checks for integer representations, which are valid * when linking with C variables, but which are invalid in other - * contexts in Tcl. Handled are "", "+", "-", "0x", "0b" and "0o" + * contexts in Tcl. Handled are "+", "-", "", "0x", "0b" and "0o" * (upperand lowercase). See bug [39f6304c2e]. */ int -GetInvalidIntFromObj(Tcl_Obj *objPtr, - int *intPtr) +GetInvalidIntFromObj(Tcl_Obj *objPtr, int *intPtr) { - int length; - const char *str = TclGetStringFromObj(objPtr, &length); + const char *str = TclGetString(objPtr); - if ((length == 1) && strchr("+-", str[0])) { - *intPtr = (str[0] == '+'); - return TCL_OK; - } else if ((length == 0) || - ((length == 2) && (str[0] == '0') && strchr("xXbBoO", str[1]))) { + if ((objPtr->length == 0) || + ((objPtr->length == 2) && (str[0] == '0') && strchr("xXbBoO", str[1]))) { *intPtr = 0; return TCL_OK; + } else if ((objPtr->length == 1) && strchr("+-", str[0])) { + *intPtr = (str[0] == '+'); + return TCL_OK; } return TCL_ERROR; } @@ -746,25 +732,28 @@ GetInvalidIntFromObj(Tcl_Obj *objPtr, /* * This function checks for double representations, which are valid * when linking with C variables, but which are invalid in other - * contexts in Tcl. Handled are ".", "+", "-", "0x", "0b" and "0o" + * contexts in Tcl. Handled are "+", "-", "", ".", "0x", "0b" and "0o" * (upper- and lowercase) and sequences like "1e-". See bug [39f6304c2e]. */ int GetInvalidDoubleFromObj(Tcl_Obj *objPtr, double *doublePtr) { - int intValue, result; + int intValue; - if ((objPtr->typePtr == &invalidRealType) || - (SetInvalidRealFromAny(NULL, objPtr) == TCL_OK)) { - *doublePtr = objPtr->internalRep.doubleValue; - return TCL_OK; + if (objPtr->typePtr == &invalidRealType) { + goto gotdouble; } - result = GetInvalidIntFromObj(objPtr, &intValue); - if (result == TCL_OK) { + if (GetInvalidIntFromObj(objPtr, &intValue) == TCL_OK) { *doublePtr = (double) intValue; + return TCL_OK; } - return result; + if (SetInvalidRealFromAny(NULL, objPtr) == TCL_OK) { + gotdouble: + *doublePtr = objPtr->internalRep.doubleValue; + return TCL_OK; + } + return TCL_ERROR; } /* |