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64-bit snprintf/vsnprintf overflow condition
- From: "David A. Ramos" <daramos at stanford dot edu>
- To: newlib at sourceware dot org
- Date: Fri, 29 Oct 2010 11:03:33 -0700
- Subject: 64-bit snprintf/vsnprintf overflow condition
Hi,
It looks like the overflow condition in vsnprintf/snprintf is unnecessarily restrictive for 64-bit architectures.
from libc/stdio/snprintf.c:
52 if (size > INT_MAX)
53 {
54 ptr->_errno = EOVERFLOW;
55 return EOF;
56 }
I believe it should use SIZE_MAX, rather than INT_MAX.
-David