[GNUnet-developers] Crashes when trying to write fsui client

[Michael Donaghy]

I have been able to compile and link FSUI programs, but when I go to run them 
I get errors like this.
Failure at configuration.c:640.
Failure at configuration.c:664.
You must specify a directory for user-data under 'GNUNETGNUNET_HOME' at the 
beginning of the configuration file.
This happens when trying to use FSUI_start, even a simple "hello world" client 
crashes:
#include <stdio.h>
#include <stdlib.h>
#include <gnunet_fsui_lib.h>

void cb(void * cls, const FSUI_Event * event)
{
}

int main(int argc, char *argv[])
{
        FSUI_EventCallback callback;
        struct FSUI_Context *context;
        callback = cb;
        context = FSUI_start("gnunetcurse",NO,callback,0L);
        FSUI_stop(context);

  return EXIT_SUCCESS;
}.
My config file is there and works fine with gnunet-gtk (which wasn't running 
when I tried this). If I put other calls in first I get the same crash but in 
different places:
readConfigFile("/home/michael/.gnunet/gnunet.conf"); results in
Failure at configuration.c:785.
Failure at configuration.c:823.
Failure at configuration.c:640.
Failure at configuration.c:664.
Failure at configuration.c:751.
Failure at configuration.c:765.
Failure at cron.c:437.
while triggerGlobalConfigurationRefresh(); gives just
Failure at cron.c:437.
I notice that all the failures seem to be at MUTEX_LOCK() calls. As I 
understand the code, this is happening because pthread_mutex_lock() is 
returning non-zero, but my knowledge of pthreads isn't good enough to 
understand why this is happening. Does anyone know what I'm doing wrong, or 
have I found a gnunet bug?
Thanks
Mikey

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