diff options
Diffstat (limited to 'generic/tclEncoding.c')
| -rw-r--r-- | generic/tclEncoding.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c index 413f2f2..9fda613 100644 --- a/generic/tclEncoding.c +++ b/generic/tclEncoding.c @@ -1677,7 +1677,9 @@ LoadTableEncoding( }; Tcl_DStringInit(&lineString); - Tcl_Gets(chan, &lineString); + if (Tcl_Gets(chan, &lineString) != TCL_IO_FAILURE) { + return NULL; + } line = Tcl_DStringValue(&lineString); fallback = (int) strtol(line, &line, 16); @@ -1717,8 +1719,11 @@ LoadTableEncoding( for (i = 0; i < numPages; i++) { int ch; const char *p; + int expected = 3 + 16 * (16 * 4 + 1); - Tcl_ReadChars(chan, objPtr, 3 + 16 * (16 * 4 + 1), 0); + if (Tcl_ReadChars(chan, objPtr, expected, 0) != expected) { + return NULL; + } p = TclGetString(objPtr); hi = (staticHex[UCHAR(p[0])] << 4) + staticHex[UCHAR(p[1])]; dataPtr->toUnicode[hi] = pageMemPtr; |