src/iodbc/itrace.c

   1 /*
   2  *  itrace.c
   3  *
   4  *  $Id$
   5  *
   6  *  Trace functions
   7  *
   8  *  The iODBC driver manager.
   9  *
  10  *  Copyright (C) 1995 by Ke Jin <kejin@empress.com>
  11  *
  12  *  This library is free software; you can redistribute it and/or
  13  *  modify it under the terms of the GNU Library General Public
  14  *  License as published by the Free Software Foundation; either
  15  *  version 2 of the License, or (at your option) any later version.
  16  *
  17  *  This library is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  *  Library General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU Library General Public
  23  *  License along with this library; if not, write to the Free
  24  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25  */
  26
  27 #include        <config.h>
  28
  29 #include        <isql.h>
  30 #include        <isqlext.h>
  31
  32 #include        <dlproc.h>
  33
  34 #include        <itrace.h>
  35
  36 #include        <herr.h>
  37 #include        <henv.h>
  38 #include        "henv.ci"
  39
  40 #include        <stdio.h>
  41
  42 static int
  43 printreturn (void FAR * istm, int ret)
  44 {
  45   FILE FAR *stm = (FILE FAR *) istm;
  46   char FAR *ptr = "Invalid return value";
  47
  48   switch (ret)
  49      {
  50      case SQL_SUCCESS:
  51        ptr = "SQL_SUCCESS";
  52        break;
  53
  54      case SQL_SUCCESS_WITH_INFO:
  55        ptr = "SQL_SUCCESS_WITH_INFO";
  56        break;
  57
  58      case SQL_NO_DATA_FOUND:
  59        ptr = "SQL_NO_DATA_FOUND";
  60        break;
  61
  62      case SQL_NEED_DATA:
  63        ptr = "SQL_NEED_DATA";
  64        break;
  65
  66      case SQL_INVALID_HANDLE:
  67        ptr = "SQL_INVALID_HANDLE";
  68        break;
  69
  70      case SQL_ERROR:
  71        ptr = "SQL_ERROR";
  72        break;
  73
  74      case SQL_STILL_EXECUTING:
  75        ptr = "SQL_STILL_EXECUTING";
  76        break;
  77
  78      default:
  79        break;
  80      }
  81
  82   fprintf (stm, "%s\n", ptr);
  83   fflush (stm);
  84
  85   return 0;
  86 }
  87
  88
  89 HPROC
  90 _iodbcdm_gettrproc (void FAR * istm, int procid, int type)
  91 {
  92   FILE FAR *stm = (FILE FAR *) istm;
  93
  94   if (type == TRACE_TYPE_DM2DRV)
  95     {
  96       int i, j = 0;
  97
  98       for (i = 0; j != en_NullProc; i++)
  99         {
 100           j = odbcapi_symtab[i].en_idx;
 101
 102           if (j == procid)
 103             {
 104               fprintf (stm, "\n%s ( ... )\n", odbcapi_symtab[i].symbol);
 105
 106               fflush (stm);
 107             }
 108         }
 109     }
 110
 111   if (type == TRACE_TYPE_RETURN)
 112     {
 113       return (HPROC) printreturn;
 114     }
 115
 116   return SQL_NULL_HPROC;
 117 }