> Did the compiler give you a warning about inability to track the
> lifetime of "p"? It should have.
No. Not even with -Wall -O2.
gcc -v:
gcc (GCC) 4.0.2 20050808 (prerelease) (Ubuntu 4.0.1-4ubuntu9)
> - FChE
>
Thanks,
Rafael
rafael.espindola wrote:
> [...]
> extern char *p;
> [...]
>char a = p[0];
> [...]
> compile and link with
> gcc -shared -fPIC a.c -o liba.so
> gcc -fmudflap -lmudflap b.c -la -L. -o b
Did the compiler give you a warning about inability to track the
lifetime of "p"? It should have.
- F
Using libmudflap to test a program that uses libxml2, I found that if
a program access a constant pointer in a non-instrumented library,
mudflap thinks that a read violation has occurred.
A simple test that illustrates this is:
a.c:
-
char *p = "abc";
-
