src/TortoisePlink/Windows/utils/get_system_dir.c

   1 /*
   2  * Wrapper function around GetSystemDirectory that deals with
   3  * allocating the output buffer, and also caches the result for future
   4  * calls.
   5  */
   6
   7 #include "putty.h"
   8
   9 const char *get_system_dir(void)
  10 {
  11     static char *sysdir = NULL;
  12     static size_t sysdirsize = 0;
  13
  14     if (!sysdir) {
  15         size_t len;
  16         while ((len = GetSystemDirectory(sysdir, sysdirsize)) >= sysdirsize)
  17             sgrowarray(sysdir, sysdirsize, len);
  18     }
  19
  20     return sysdir;
  21 }