## include/stubs.h

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## DEFINITIONS

This source file includes following functions.

1. sql_tblnam_t
2. sql_key_t

       1 /***************************************
       2   $Revision: 1.7 $
       3
       4   stubs.h - header file with things defined just to provisionally fix the TBDs.
       5
       6   Status: NOT REVUED, TESTED, INCOMPLETE
       7
       8   Design and implementation by: Marek Bukowy
       9
      10   ******************/ /******************
      11   Copyright (c) 1999                              RIPE NCC
      12
      13   All Rights Reserved
      14
      15   Permission to use, copy, modify, and distribute this software and its
      16   documentation for any purpose and without fee is hereby granted,
      17   provided that the above copyright notice appear in all copies and that
      18   both that copyright notice and this permission notice appear in
      19   supporting documentation, and that the name of the author not be
      20   used in advertising or publicity pertaining to distribution of the
      21   software without specific, written prior permission.
      22
      23   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
      24   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
      25   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
      26   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
      27   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
      28   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
      29   ***************************************/
      30
      31 /* stubs: just defined to let the other thing compile. Use #define
      32 NOSTUBS to disable it. */
      33
      34 #ifndef _STUBS_H
      35 #define _STUBS_H
      36
      37 #include <stdlib.h>
      38 #include <stdio.h>
      39 #include <ctype.h>
      40
      41 /* config.h - comes from configure. */
      42 #ifdef HAVE_CONFIG_H
      43 #include "config.h"
      44 #endif
      45
      46 /* this is to allow user stubs in the code */
      47 /* it will trigger an error when NOSTUBS is set */
      48
      49 #ifndef NOSTUBS
      50 #define STUB(a) do{a;}while(0)
      51 #else
      52 #define STUB(a) hey_here_is_a_stub_left=%^&*&@@@;
      53 #endif
      54
      55 /* now these are predefined ones... */
      56
      57 #ifndef NOSTUBS
      58
      59 /* for memcmp and strcmp */
      60 #define CMP_EQUAL 0
      61
      62 /* stub for those compilers (wrrrrrrr....) that can't do (struct != struct) */
      63 #define STRUCT_EQUAL(a,b) (memcmp(&a, &b, sizeof(a)) == CMP_EQUAL)
      64
      65 /* this prints the filename and line number where it was placed,
      66    and then commits suicide (read: segfault) by writing to address NULL.
      67    This in normal conditions generates a coredump for later analysis.
      68
      69    isdigit() is used to avoid warnings from lint.
      70    do..while is to allow treating this macro as a single instruction
      71    (eg in an if).
      72 */
      73
      74 #define die   do{ \
      75         fprintf(stderr,"died: +%d %s\n",__LINE__, __FILE__);\
      76         *((int*)NULL)=0; \
      77         } while(isdigit('a'))
      78
      79 #define dieif(a) if(a) { \
      80         fprintf(stderr,"died on "#a" in: +%d %s\n",__LINE__, __FILE__);\
      81         *((int*)NULL)=0; \
      82         }
      83
      84
      85 #define SQL_TBLNAM_MAX 32
      86
      87
      88 /* struct to hold the table name.
      89    Wrapped in a struct to make it behave like a normal object (ref by
      90 value)
      91
      92    in fact, this type should be made engine-dependent.
      93 */
      94
      95 typedef struct {
      96   char val[SQL_TBLNAM_MAX];
      97 } sql_tblnam_t;
         /* [<][>][^][v][top][bottom][index][help] */
      98
      99 /* who knows what key type we will really have in other engines */
     100 typedef long sql_key_t;
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     101
     102 #define SQ_NOKEY 0L
     103
     104
     105 #ifdef HAVE_STRSEP
     106 /* good */
     107 #else
     108 #  if defined(HAVE_STRTOK_R) && !defined(HAVE_STRSEP)
     109 /* emulate strsep with strtok_r
     110    by making first arg to strtok_r point to the last
     111
     112 char *
     113 strsep(char **stringp, const char *delim)
     114 {
     115   return strtok_r( *stringp, delim, stringp);
     116 }
     117 */
     118 #define strsep(a,b) strtok_r( *(a), (b), (a) )
     119
     120 #  else
     121 #  error "must have strsep or strtok_r"
     122 #  endif
     123 #endif
     124
     125
     126 #endif /* NOSTUBS */
     127 #endif /* _STUBS_H */

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