diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclScan.c | 21 | ||||
| -rw-r--r-- | generic/tclStringObj.c | 14 |
2 files changed, 22 insertions, 13 deletions
diff --git a/generic/tclScan.c b/generic/tclScan.c index 3edb8be..5ea7e46 100644 --- a/generic/tclScan.c +++ b/generic/tclScan.c @@ -10,6 +10,7 @@ */ #include "tclInt.h" +#include "tommath.h" /* * Flag values used by Tcl_ScanObjCmd. @@ -415,14 +416,7 @@ ValidateFormat( case 'x': case 'X': case 'b': - break; case 'u': - if (flags & SCAN_BIG) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "unsigned bignum scans are invalid", -1)); - Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADUNSIGNED",NULL); - goto error; - } break; /* * Bracket terms need special checking @@ -936,7 +930,18 @@ Tcl_ScanObjCmd( } else { Tcl_SetWideIntObj(objPtr, wideValue); } - } else if (!(flags & SCAN_BIG)) { + } else if (flags & SCAN_BIG) { + if (flags & SCAN_UNSIGNED) { + mp_int big; + if ((Tcl_GetBignumFromObj(interp, objPtr, &big) != TCL_OK) + || (mp_cmp_d(&big, 0) == MP_LT)) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "unsigned bignum scans are invalid", -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADUNSIGNED",NULL); + return TCL_ERROR; + } + } + } else { if (TclGetLongFromObj(NULL, objPtr, &value) != TCL_OK) { if (TclGetString(objPtr)[0] == '-') { value = LONG_MIN; diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 4e19750..6cce073 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -1943,11 +1943,6 @@ Tcl_AppendFormatToObj( } case 'u': - if (useBig) { - msg = "unsigned bignum format is invalid"; - errCode = "BADUNSIGNED"; - goto errorMsg; - } case 'd': case 'o': case 'x': @@ -1965,6 +1960,15 @@ Tcl_AppendFormatToObj( goto error; } isNegative = (mp_cmp_d(&big, 0) == MP_LT); + if (ch == 'u') { + if (isNegative) { + msg = "unsigned bignum format is invalid"; + errCode = "BADUNSIGNED"; + goto errorMsg; + } else { + ch = 'd'; + } + } #ifndef TCL_WIDE_INT_IS_LONG } else if (useWide) { if (Tcl_GetWideIntFromObj(NULL, segment, &w) != TCL_OK) { |