4 commits

Author	SHA1	Message	Date
Rich Felker	26031da0f8	make malloc(0) return unique pointers rather than NULL ... this change is made with some reluctance, but i think it's for the best. correct programs must handle either behavior, so there is little advantage to having malloc(0) return NULL. and i managed to actually make the malloc code slightly smaller with this change.	2011-02-20 16:16:33 -05:00
Rich Felker	598a0147cd	fix simple_malloc malloc(0) behavior not to return non-unique pointers	2011-02-20 16:12:09 -05:00
Rich Felker	a23baf586a	fix simple_malloc size restrictions ... do not allow allocations that overflow ptrdiff_t; fix some overflow checks that were not quite right but didn't matter due to address layout implementation.	2011-02-20 16:10:38 -05:00
Rich Felker	0b44a0315b	initial check-in, version 0.5.0	2011-02-12 00:22:29 -05:00