diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclTest.c | 2 | ||||
| -rw-r--r-- | generic/tclUtf.c | 27 |
2 files changed, 15 insertions, 14 deletions
diff --git a/generic/tclTest.c b/generic/tclTest.c index 547dc9a..ebd90ae 100644 --- a/generic/tclTest.c +++ b/generic/tclTest.c @@ -6836,7 +6836,7 @@ TestNumUtfCharsCmd( int len = -1; if (objc > 2) { - (void) Tcl_GetStringFromObj(objv[1], &len); + (void) Tcl_GetIntFromObj(interp, objv[2], &len); } len = Tcl_NumUtfChars(Tcl_GetString(objv[1]), len); Tcl_SetObjResult(interp, Tcl_NewIntObj(len)); diff --git a/generic/tclUtf.c b/generic/tclUtf.c index c46d250..161a4bd 100644 --- a/generic/tclUtf.c +++ b/generic/tclUtf.c @@ -459,7 +459,6 @@ Tcl_NumUtfChars( * for strlen(string). */ { Tcl_UniChar ch; - register Tcl_UniChar *chPtr = &ch; register int i; /* @@ -472,23 +471,25 @@ Tcl_NumUtfChars( i = 0; if (length < 0) { while (*src != '\0') { - src += TclUtfToUniChar(src, chPtr); + src += TclUtfToUniChar(src, &ch); i++; } + if (i < 0) i = INT_MAX; /* Bug [2738427] */ } else { - register int n; - - while (length > 0) { - if (UCHAR(*src) < 0xC0) { - length--; - src++; - } else { - n = Tcl_UtfToUniChar(src, chPtr); - length -= n; - src += n; - } + register const char *endPtr = src + length - TCL_UTF_MAX; + + while (src < endPtr) { + src += TclUtfToUniChar(src, &ch); i++; } + endPtr += TCL_UTF_MAX; + while ((src < endPtr) && Tcl_UtfCharComplete(src, endPtr - src)) { + src += TclUtfToUniChar(src, &ch); + i++; + } + if (src < endPtr) { + i += endPtr - src; + } } return i; } |