#include <stdio.h>#include <string.h>#include <tds.h>static char  software_version[]   = "$Id: common.c,v 1.4 2002/07/15 03:29:58 brianb Exp $";static void *no_unused_var_warn[] = {software_version, no_unused_var_warn};char USER[512];char SERVER[512];char PASSWORD[512];char DATABASE[512];int read_login_info(){   FILE *in;   char line[512];   char *s1, *s2;   in = fopen("../../../PWD","r");   if (!in) {      fprintf(stderr,"Can not open PWD file\n\n");      return TDS_FAIL;   }   while (fgets(line, 512, in)) {      s1=strtok(line,"=");      s2=strtok(NULL,"\n");      if (!s1 || !s2)			{ continue; }      if (!strcmp(s1,"UID"))		{ strcpy(USER,s2); }      else if (!strcmp(s1,"SRV"))	{ strcpy(SERVER,s2); }      else if (!strcmp(s1,"PWD"))	{ strcpy(PASSWORD,s2); }      else if (!strcmp(s1,"DB"))	{ strcpy(DATABASE,s2); }   }   return TDS_SUCCEED;}int try_tds_login(   TDSLOGIN  **login,   TDSSOCKET **tds,   char *appname,   int verbose){TDSCONTEXT *context;   if (verbose)	{ fprintf(stdout, "Entered tds_try_login()\n"); }   if (! login) {      fprintf(stderr, "Invalid TDSLOGIN**\n");      return TDS_FAIL;   }   if (! tds) {      fprintf(stderr, "Invalid TDSSOCKET**\n");      return TDS_FAIL;   }   if (verbose)	{ fprintf(stdout, "Trying read_login_info()\n"); }   read_login_info();   if (verbose)	{ fprintf(stdout, "Setting login parameters\n"); }   *login = tds_alloc_login();   if (! *login) {      fprintf(stderr, "tds_alloc_login() failed.\n");      return TDS_FAIL;   }   tds_set_passwd(*login, PASSWORD);   tds_set_user(*login, USER);   tds_set_app(*login, appname);   tds_set_host(*login, "myhost");   tds_set_library(*login, "TDS-Library");   tds_set_server(*login, SERVER);   tds_set_charset(*login, "iso_1");   tds_set_language(*login, "us_english");   tds_set_packet(*login, 512);     if (verbose)	{ fprintf(stdout, "Connecting to database\n"); }   context = tds_alloc_context();   *tds = tds_connect(*login, context, NULL);   if (! *tds) {      fprintf(stderr, "tds_connect() failed\n");      return TDS_FAIL;   }   return TDS_SUCCEED;}/* Note that this always suceeds */int try_tds_logout(   TDSLOGIN  *login,   TDSSOCKET *tds,   int verbose){   if (verbose)	{ fprintf(stdout, "Entered tds_try_logout()\n"); }   tds_free_socket(tds);   tds_free_login(login);   return TDS_SUCCEED;}