FreeTDS Development Group

[Michael Peppler <mpeppler AT peppler.org>]

Michael Peppler writes:
 > Anyway - on linux I still core dump on the ct_connect(). The stack
 > trace gives me:
 > 
 > (gdb) bt
 > #0  strncpy (s1=0x8192929 "", s2=0x0, n=30) at 
 > ../sysdeps/generic/strncpy.c:37
 > #1  0x2abd9a21 in tds_set_server (tds_login=0x81928b0, server=0x0)
 >     at login.c:68
 > #2  0x2abd5e27 in ct_connect (con=0x8127378, servername=0x81aabf8 "", 
 >     snamelen=0) at ct.c:167
 > #3  0x2abcbf1a in syb_db_connect ()
 > #4  0x2abcb75f in syb_db_login ()
 > #5  0x2abc89a9 in XS_DBD__Sybase__db__login ()
 > #6  0x8087b7e in Perl_pp_entersub ()
 > #7  0x80b162e in Perl_runops_standard ()
 > #8  0x8058e01 in perl_call_sv ()
 > #9  0x2abbea3c in XS_DBI_dispatch ()
 > #10 0x8087b7e in Perl_pp_entersub ()
 > #11 0x80b162e in Perl_runops_standard ()
 > #12 0x8058791 in perl_run ()
 > #13 0x8056bdb in main ()
 > 
 > So there seems to be an invalid strcpy going on here - note that I'm
 > not setting the server to anything, and expect the library to use the
 > contents of $DSQUERY or, if that is empty, 'SYBASE'.
 > 
 > I'll make a patch in a minute.

OK - here's a patch:

troll (10:08AM):378 > diff -c login.c.old login.c
*** login.c.old Thu Aug 26 10:08:12 1999
--- login.c     Thu Aug 26 10:07:10 1999
***************
*** 65,70 ****
--- 65,76 ----
  }
  void tds_set_server(TDSLOGIN *tds_login, char *server)
  {
+       if(!server || strlen(server) == 0) {
+               server = getenv("DSQUERY");
+               if(!server || strlen(server) == 0) {
+                       server = "SYBASE";
+               }
+       }
        strncpy(tds_login->server_name, server, 
sizeof(tds_login->server_name));
  }
  void tds_set_library(TDSLOGIN *tds_login, char *library)

This now runs on linux, apart from the "unknown property 7" message,
and of course that ?-style placeholders are not supported yet (aka
dynamic SQL.)

Michael
-- 
Michael Peppler         -||-  Data Migrations Inc.
mpeppler AT peppler.org    -||-  http://www.mbay.net/~mpeppler
Int. Sybase User Group  -||-  http://www.isug.com
Sybase on Linux mailing list: ase-linux-list AT isug.com