diff options
Diffstat (limited to 'generic/tclUtf.c')
| -rw-r--r-- | generic/tclUtf.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/generic/tclUtf.c b/generic/tclUtf.c index b33bf6a..eec4068 100644 --- a/generic/tclUtf.c +++ b/generic/tclUtf.c @@ -292,7 +292,9 @@ Tcl_UtfToUniChar( */ *chPtr = (Tcl_UniChar) (((byte & 0x1F) << 6) | (src[1] & 0x3F)); - return 2; + if ((*chPtr == 0) || (*chPtr > 0x7f)) { + return 2; + } } /* @@ -307,7 +309,9 @@ Tcl_UtfToUniChar( *chPtr = (Tcl_UniChar) (((byte & 0x0F) << 12) | ((src[1] & 0x3F) << 6) | (src[2] & 0x3F)); - return 3; + if (*chPtr > 0x7ff) { + return 3; + } } /* @@ -324,7 +328,9 @@ Tcl_UtfToUniChar( *chPtr = (Tcl_UniChar) (((byte & 0x0E) << 18) | ((src[1] & 0x3F) << 12) | ((src[2] & 0x3F) << 6) | (src[3] & 0x3F)); - return 4; + if ((*chPtr <= 0x10ffff) && (*chPtr > 0xffff)) { + return 4; + } } /* |