diff options
Diffstat (limited to 'generic/tclBinary.c')
| -rw-r--r-- | generic/tclBinary.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/generic/tclBinary.c b/generic/tclBinary.c index 981f174..2a4fd84 100644 --- a/generic/tclBinary.c +++ b/generic/tclBinary.c @@ -1653,7 +1653,15 @@ GetFormatSpec( (*formatPtr)++; *countPtr = BINARY_ALL; } else if (isdigit(UCHAR(**formatPtr))) { /* INTL: digit */ - *countPtr = strtoul(*formatPtr, (char **) formatPtr, 10); + unsigned long int count; + + errno = 0; + count = strtoul(*formatPtr, (char **) formatPtr, 10); + if (errno || (count > (unsigned long) INT_MAX)) { + *countPtr = INT_MAX; + } else { + *countPtr = (int) count; + } } else { *countPtr = BINARY_NOCOUNT; } |