From 9b8fe92d1ec10b1010d91d504deab315538cce0e Mon Sep 17 00:00:00 2001 From: "jan.nijtmans" Date: Tue, 7 Feb 2017 12:11:29 +0000 Subject: =?UTF-8?q?Code=20cleanup=20(based=20on=20feedback=20from=20Ren?= =?UTF-8?q?=C3=A9=20Zaumseil):=20Only=20call=20GetInvalidIntFromObj()=20wh?= =?UTF-8?q?en=20Tcl=5FGetIntFromObj()=20fails.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- generic/tclLink.c | 203 +++++++++++++++++++++++------------------------------- 1 file changed, 85 insertions(+), 118 deletions(-) diff --git a/generic/tclLink.c b/generic/tclLink.c index f8f2342..7d1e3a8 100644 --- a/generic/tclLink.c +++ b/generic/tclLink.c @@ -67,10 +67,9 @@ 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 GetInvalidWideFromObj(Tcl_Obj *objPtr, Tcl_WideInt *widePtr); +static int GetInvalidDoubleFromObj(Tcl_Obj *objPtr, double *doublePtr); /* * Convenience macro for accessing the value of the C variable pointed to by a @@ -263,7 +262,8 @@ 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; @@ -382,40 +382,31 @@ LinkTraceProc( switch (linkPtr->type) { case TCL_LINK_INT: - if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i) - != TCL_OK) { - if (GetInvalidIntFromObj(valueObj, &linkPtr->lastValue.i) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + if (Tcl_GetIntFromObj(NULL, valueObj, &linkPtr->lastValue.i) != TCL_OK + && 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"; - } + return (char *) "variable must have integer value"; } LinkedVar(int) = linkPtr->lastValue.i; break; case TCL_LINK_WIDE_INT: - if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w) - != TCL_OK) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + if (Tcl_GetWideIntFromObj(NULL, valueObj, &linkPtr->lastValue.w) != TCL_OK + && GetInvalidWideFromObj(valueObj, &linkPtr->lastValue.w) != TCL_OK) { + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); - return (char *) "variable must have integer value"; - } - linkPtr->lastValue.w = (Tcl_WideInt) valueInt; + return (char *) "variable must have integer value"; } LinkedVar(Tcl_WideInt) = linkPtr->lastValue.w; break; case TCL_LINK_DOUBLE: - if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d) - != TCL_OK) { + if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d) != TCL_OK) { #ifdef ACCEPT_NAN if (valueObj->typePtr != &tclDoubleType) { #endif - if (GetInvalidDoubleFromObj(valueObj, &linkPtr->lastValue.d) - != TCL_OK) { + if (GetInvalidDoubleFromObj(valueObj, &linkPtr->lastValue.d) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have real value"; @@ -429,8 +420,7 @@ LinkTraceProc( break; case TCL_LINK_BOOLEAN: - if (Tcl_GetBooleanFromObj(NULL, valueObj, &linkPtr->lastValue.i) - != TCL_OK) { + if (Tcl_GetBooleanFromObj(NULL, valueObj, &linkPtr->lastValue.i) != TCL_OK) { Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), TCL_GLOBAL_ONLY); return (char *) "variable must have boolean value"; @@ -439,148 +429,113 @@ LinkTraceProc( break; case TCL_LINK_CHAR: - if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) || valueInt < SCHAR_MIN || valueInt > SCHAR_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), - TCL_GLOBAL_ONLY); - return (char *) "variable must have char value"; - } + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have char value"; } - linkPtr->lastValue.c = (char)valueInt; - LinkedVar(char) = linkPtr->lastValue.c; + LinkedVar(char) = linkPtr->lastValue.c = (char)valueInt; break; case TCL_LINK_UCHAR: - if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) || valueInt < 0 || valueInt > UCHAR_MAX) { - 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"; - } + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have unsigned char value"; } - linkPtr->lastValue.uc = (unsigned char) valueInt; - LinkedVar(unsigned char) = linkPtr->lastValue.uc; + LinkedVar(unsigned char) = linkPtr->lastValue.uc = (unsigned char) valueInt; break; case TCL_LINK_SHORT: - if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) || valueInt < SHRT_MIN || valueInt > SHRT_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), - TCL_GLOBAL_ONLY); - return (char *) "variable must have short value"; - } + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have short value"; } - linkPtr->lastValue.s = (short)valueInt; - LinkedVar(short) = linkPtr->lastValue.s; + LinkedVar(short) = linkPtr->lastValue.s = (short)valueInt; break; case TCL_LINK_USHORT: - if (Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + if ((Tcl_GetIntFromObj(NULL, valueObj, &valueInt) != TCL_OK + && GetInvalidIntFromObj(valueObj, &valueInt) != TCL_OK) || valueInt < 0 || valueInt > USHRT_MAX) { - 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"; - } + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have unsigned short value"; } - linkPtr->lastValue.us = (unsigned short)valueInt; - LinkedVar(unsigned short) = linkPtr->lastValue.us; + LinkedVar(unsigned short) = linkPtr->lastValue.us = (unsigned short)valueInt; break; case TCL_LINK_UINT: - if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK) || valueWide < 0 || valueWide > UINT_MAX) { - 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"; - } - linkPtr->lastValue.ui = (unsigned int)valueInt; - } else { - linkPtr->lastValue.ui = (unsigned int)valueWide; + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have unsigned int value"; } - LinkedVar(unsigned int) = linkPtr->lastValue.ui; + LinkedVar(unsigned int) = linkPtr->lastValue.ui = (unsigned int)valueWide; break; case TCL_LINK_LONG: - if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK) || valueWide < LONG_MIN || valueWide > LONG_MAX) { - if (GetInvalidIntFromObj(valueObj, &valueInt) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), - TCL_GLOBAL_ONLY); - return (char *) "variable must have long value"; - } - linkPtr->lastValue.l = (long)valueInt; - } else { - linkPtr->lastValue.l = (long)valueWide; + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have long value"; } - LinkedVar(long) = linkPtr->lastValue.l; + LinkedVar(long) = linkPtr->lastValue.l = (long)valueWide; break; case TCL_LINK_ULONG: - if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + if ((Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK) || valueWide < 0 || (Tcl_WideUInt) valueWide > ULONG_MAX) { - 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"; - } - linkPtr->lastValue.ul = (unsigned long)valueInt; - } else { - linkPtr->lastValue.ul = (unsigned long)valueWide; + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have unsigned long value"; } - LinkedVar(unsigned long) = linkPtr->lastValue.ul; + LinkedVar(unsigned long) = linkPtr->lastValue.ul = (unsigned long)valueWide; break; case TCL_LINK_WIDE_UINT: /* * FIXME: represent as a bignum. */ - if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != 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"; - } - linkPtr->lastValue.uw = (Tcl_WideUInt)valueInt; - } else { - linkPtr->lastValue.uw = (Tcl_WideUInt)valueWide; + if (Tcl_GetWideIntFromObj(NULL, valueObj, &valueWide) != TCL_OK + && GetInvalidWideFromObj(valueObj, &valueWide) != TCL_OK) { + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have unsigned wide int value"; } - LinkedVar(Tcl_WideUInt) = linkPtr->lastValue.uw; + LinkedVar(Tcl_WideUInt) = linkPtr->lastValue.uw = (Tcl_WideUInt)valueWide; break; case TCL_LINK_FLOAT: - if (Tcl_GetDoubleFromObj(NULL, valueObj, &valueDouble) != TCL_OK + if ((Tcl_GetDoubleFromObj(NULL, valueObj, &valueDouble) != TCL_OK + && GetInvalidDoubleFromObj(valueObj, &valueDouble) != TCL_OK) || valueDouble < -FLT_MAX || valueDouble > FLT_MAX) { - if (GetInvalidDoubleFromObj(valueObj, &valueDouble) - != TCL_OK) { - Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), - TCL_GLOBAL_ONLY); - return (char *) "variable must have float value"; - } + Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr), + TCL_GLOBAL_ONLY); + return (char *) "variable must have float value"; } - linkPtr->lastValue.f = (float)valueDouble; - LinkedVar(float) = linkPtr->lastValue.f; + LinkedVar(float) = linkPtr->lastValue.f = (float)valueDouble; 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: @@ -742,6 +697,18 @@ GetInvalidIntFromObj(Tcl_Obj *objPtr, return TCL_ERROR; } +int +GetInvalidWideFromObj(Tcl_Obj *objPtr, Tcl_WideInt *widePtr) +{ + int intValue; + + if (GetInvalidIntFromObj(objPtr, &intValue) != TCL_OK) { + return TCL_ERROR; + } + *widePtr = intValue; + return TCL_OK; +} + /* * This function checks for double representations, which are valid * when linking with C variables, but which are invalid in other -- cgit v0.12