Merge pull request #421 from lifanov/freebsd-port

FreeBSD support

diff --combined src/shared.c
index df14f43,5372561..e7d5dc3
--- 1/src/shared.c
--- 2/src/shared.c
+++ b/src/shared.c
@@@ -10,6 -10,11 +10,11 @@@
  #include <stdio.h>
  #endif
  
+ #ifdef __FreeBSD__
+ #include <stdio.h>
+ #include <pthread_np.h>
+ #endif
+ 
  #include <shared.h>
  #include <limits.h>
  
@@@ -2382,7 -2387,7 +2387,7 @@@ int tty_fix(
  }
  #endif
  
- #ifdef DARWIN
+ #if defined(DARWIN) || defined(__FreeBSD__)
  static struct termios savemodes;
  static int havemodes = 0;
  
@@@ -4371,6 -4376,23 +4376,23 @@@ char *get_exec_path (
  
    const int len = strlen (exec_path);
  
+   #elif __FreeBSD__
+ 
+   #include <sys/sysctl.h>
+ 
+   int mib[4];
+   mib[0] = CTL_KERN;
+   mib[1] = KERN_PROC;
+   mib[2] = KERN_PROC_PATHNAME;
+   mib[3] = -1;
+ 
+   char tmp[32] = { 0 };
+ 
+   size_t size = exec_path_len;
+   sysctl(mib, 4, exec_path, &size, NULL, 0);
+ 
+   const int len = readlink (tmp, exec_path, exec_path_len - 1);
+ 
    #else
    #error Your Operating System is not supported or detected
    #endif
@@@ -4523,6 -4545,9 +4545,9 @@@ void set_cpu_affinity (char *cpu_affini
  {
    #ifdef _WIN
    DWORD_PTR aff_mask = 0;
+   #elif __FreeBSD__
+   cpuset_t cpuset;
+   CPU_ZERO (&cpuset);
    #elif _POSIX
    cpu_set_t cpuset;
    CPU_ZERO (&cpuset);
@@@ -4570,6 -4595,9 +4595,9 @@@
    #ifdef _WIN
    SetProcessAffinityMask (GetCurrentProcess (), aff_mask);
    SetThreadAffinityMask (GetCurrentThread (), aff_mask);
+   #elif __FreeBSD__
+   pthread_t thread = pthread_self ();
+   pthread_setaffinity_np (thread, sizeof (cpuset_t), &cpuset);
    #elif _POSIX
    pthread_t thread = pthread_self ();
    pthread_setaffinity_np (thread, sizeof (cpu_set_t), &cpuset);
@@@ -4695,9 -4723,8 +4723,9 @@@ int sort_by_hash_t_salt_hccap (const vo
    const salt_t *s1 = h1->salt;
    const salt_t *s2 = h2->salt;
  
 -  // 16 - 2 (since last 2 uints contain the digest)
 -  uint n = 14;
 +  // last 2: salt_buf[10] and salt_buf[11] contain the digest (skip them)
 +
 +  uint n = 9; // 9 * 4 = 36 bytes (max length of ESSID)
  
    while (n--)
    {