[Nix-dev] Inspecting getenv(3) calls

[Michael Raskin]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Ludovic Courtès wrote:
> Hello Nixers!
> 
> When debugging packaged apps, I often find myself looking for debugging
> variables used by the application that would allow me to explain some
> behavior or to tell the application about a path or something.
> 
> Unfortunately, strace(1) doesn't help to look at getenv(3) calls, and
> gdb isn't very helpful in the absence of glibc debugging symbols.

discover ltrace. Install ltrace package and try "ltrace -e getenv ls"
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.12 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iQEcBAEBAgAGBQJKgwNCAAoJEE6tnN0aWvw348QH/ArpzTo6ymvq7PjwGk714QhB
1G7fGbdpv/k6aTcgJ9x0CbtBZknqZ8YxGxj3Wbp2KbB886boE6MBJPzTyiL8L/Nd
x4bJSw8xpr9Axi0PhWi7skfuP70olpKKDcd2TUOLCh35KK/GaOcXdTDrmCUFDBOn
boYYVDrc8m5Zh1uG9xJYz9/dG0/62p0vqTMHFv6+DrwooiL5yeA2elcGVU3raRvq
oNEfLdREgw/XPVHCLFFsylm7uFzAVdICGuvpwwib/+g6+taJNngnTNFoA/eA3s05
KezuIoQerRWkN1aBBCmAVXGOvEgJwICDJUETMhFwbkG6F7kDZHzlLuSMtuhBmQ0=
=fwNZ
-----END PGP SIGNATURE-----