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guix-register: Add explicit libgcrypt initialization.

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* nix/guix-register/guix-register.cc (main): Add calls to
  'gcry_check_version' and 'gcry_control', to appease libgcrypt.
This commit is contained in:
Ludovic Courtès 2014-06-29 23:53:18 +02:00
parent 1abb614051
commit 1ddbd9fd71
1 changed files with 12 additions and 0 deletions
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12
nix/guix-register/guix-register.cc
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@ -33,6 +33,7 @@
#include <cstdio>
#include <argp.h>
#include <gcrypt.h>
using namespace nix;
@ -168,6 +169,17 @@ register_validity (LocalStore *store, std::istream &input,
int
main (int argc, char *argv[])
{
/* Initialize libgcrypt, which is indirectly used. */
if (!gcry_check_version (GCRYPT_VERSION))
{
fprintf (stderr, "error: libgcrypt version mismatch\n");
exit (EXIT_FAILURE);
}
/* Tell Libgcrypt that initialization has completed, as per the Libgcrypt
1.6.0 manual (although this does not appear to be strictly needed.) */
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
/* Honor the environment variables, and initialize the settings. */
settings.processEnvironment ();