unistd fortify macros broken

Nitin Gupta ngupta at mvista.com
Wed May 10 23:07:12 UTC 2006

When adding -D_FORTIFY_SOURCE=2, the uclibc unistd.h file includes
bits/unistd.h, which apparently doesn't exist.

The problem code in unistd.h is here:
/* Define some macros helping to catch buffer overflows.  */
#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus
# include <bits/unistd.h>

One suggestion is there should be a warning in its place if the macros don't actually
do anything.

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