granicus.if.org Git - postgresql/blob - src/timezone/pgtz.c

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pgtz.c
   4  *    Timezone Library Integration Functions
   5  *
   6  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
   7  *
   8  * IDENTIFICATION
   9  *        $PostgreSQL: pgsql/src/timezone/pgtz.c,v 1.3 2004/04/30 20:23:28 momjian Exp $
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13
  14 #include "pgtz.h"
  15 #include "tzfile.h"
  16
  17
  18 static char tzdir[MAXPGPATH];
  19 static int done_tzdir = 0;
  20 char *pgwin32_TZDIR(void) {
  21         char *p;
  22         if (done_tzdir)
  23                 return tzdir;
  24
  25 #ifndef WIN32
  26         StrNCpy(tzdir, PGDATADIR, MAXPGPATH);
  27 #else
  28         if (GetModuleFileName(NULL,tzdir,MAXPGPATH) == 0)
  29                 return NULL;
  30 #endif
  31
  32         canonicalize_path(tzdir);
  33         if ((p = last_path_separator(tzdir)) == NULL)
  34                 return NULL;
  35         else
  36                 *p = '\0';
  37
  38         strcat(tzdir,"/timezone");
  39
  40         done_tzdir=1;
  41         return tzdir;
  42 }