From bc61e591021b6e5b5e4a49fe1f0111b4a475cc27 Mon Sep 17 00:00:00 2001 From: "jan.nijtmans" Date: Tue, 9 Aug 2011 05:57:48 +0000 Subject: Change the signature of TclParseHex(), such that it can now parse up to 8 hex characters --- ChangeLog | 5 +++++ generic/tclInt.h | 2 +- generic/tclParse.c | 20 +++++++++++--------- 3 files changed, 17 insertions(+), 10 deletions(-) diff --git a/ChangeLog b/ChangeLog index bd72245..a443059 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2011-08-09 Jan Nijtmans + + * generic/tclInt.h: Change the signature of TclParseHex(), such that + * generic/tclParse.c: it can now parse up to 8 hex characters. + 2011-08-08 Donal K. Fellows * generic/tclZlib.c (ZlibStreamCmd): Make the -buffersize option to diff --git a/generic/tclInt.h b/generic/tclInt.h index ebc8bef..e4a7782 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -3029,7 +3029,7 @@ MODULE_SCOPE int TclObjUnsetVar2(Tcl_Interp *interp, MODULE_SCOPE int TclParseBackslash(const char *src, int numBytes, int *readPtr, char *dst); MODULE_SCOPE int TclParseHex(const char *src, int numBytes, - Tcl_UniChar *resultPtr); + int *resultPtr); MODULE_SCOPE int TclParseNumber(Tcl_Interp *interp, Tcl_Obj *objPtr, const char *expected, const char *bytes, int numBytes, const char **endPtrPtr, int flags); diff --git a/generic/tclParse.c b/generic/tclParse.c index c33ef5b..2b0dab4 100644 --- a/generic/tclParse.c +++ b/generic/tclParse.c @@ -744,11 +744,11 @@ int TclParseHex( const char *src, /* First character to parse. */ int numBytes, /* Max number of byes to scan */ - Tcl_UniChar *resultPtr) /* Points to storage provided by caller where - * the Tcl_UniChar resulting from the + int *resultPtr) /* Points to storage provided by caller where + * the character resulting from the * conversion is to be written. */ { - Tcl_UniChar result = 0; + int result = 0; register const char *p = src; while (numBytes--) { @@ -808,7 +808,8 @@ TclParseBackslash( * written there. */ { register const char *p = src+1; - Tcl_UniChar result; + Tcl_UniChar unichar; + int result; int count; char buf[TCL_UTF_MAX]; @@ -906,14 +907,14 @@ TclParseBackslash( */ if (isdigit(UCHAR(*p)) && (UCHAR(*p) < '8')) { /* INTL: digit */ - result = UCHAR(*p - '0'); + result = *p - '0'; p++; if ((numBytes == 2) || !isdigit(UCHAR(*p)) /* INTL: digit */ || (UCHAR(*p) >= '8')) { break; } count = 3; - result = UCHAR((result << 3) + (*p - '0')); + result = (result << 3) + (*p - '0'); p++; if ((numBytes == 3) || !isdigit(UCHAR(*p)) /* INTL: digit */ || (UCHAR(*p) >= '8')) { @@ -932,14 +933,15 @@ TclParseBackslash( */ if (Tcl_UtfCharComplete(p, numBytes - 1)) { - count = Tcl_UtfToUniChar(p, &result) + 1; /* +1 for '\' */ + count = Tcl_UtfToUniChar(p, &unichar) + 1; /* +1 for '\' */ } else { char utfBytes[TCL_UTF_MAX]; memcpy(utfBytes, p, (size_t) (numBytes - 1)); utfBytes[numBytes - 1] = '\0'; - count = Tcl_UtfToUniChar(utfBytes, &result) + 1; + count = Tcl_UtfToUniChar(utfBytes, &unichar) + 1; } + result = unichar; break; } @@ -947,7 +949,7 @@ TclParseBackslash( if (readPtr != NULL) { *readPtr = count; } - return Tcl_UniCharToUtf((int) result, dst); + return Tcl_UniCharToUtf(result, dst); } /* -- cgit v0.12