granicus.if.org Git - postgresql/blob - src/interfaces/odbc/tuple.c

   1 /*-------
   2  * Module:                      tuple.c
   3  *
   4  * Description:         This module contains functions for setting the data
   5  *                                      for individual fields (TupleField structure) of a
   6  *                                      manual result set.
   7  *
   8  * Important Note:      These functions are ONLY used in building manual
   9  *                                      result sets for info functions (SQLTables,
  10  *                                      SQLColumns, etc.)
  11  *
  12  * Classes:                     n/a
  13  *
  14  * API functions:       none
  15  *
  16  * Comments:            See "notice.txt" for copyright and license information.
  17  *-------
  18  */
  19
  20 #include "tuple.h"
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24
  25 void
  26 set_tuplefield_null(TupleField *tuple_field)
  27 {
  28         tuple_field->len = 0;
  29         tuple_field->value = NULL;      /* strdup(""); */
  30 }
  31
  32
  33 void
  34 set_tuplefield_string(TupleField *tuple_field, char *string)
  35 {
  36         tuple_field->len = strlen(string);
  37         tuple_field->value = malloc(strlen(string) + 1);
  38         strcpy(tuple_field->value, string);
  39 }
  40
  41
  42 void
  43 set_tuplefield_int2(TupleField *tuple_field, Int2 value)
  44 {
  45         char            buffer[10];
  46
  47         sprintf(buffer, "%d", value);
  48
  49         tuple_field->len = strlen(buffer) + 1;
  50         /* +1 ... is this correct (better be on the save side-...) */
  51         tuple_field->value = strdup(buffer);
  52 }
  53
  54
  55 void
  56 set_tuplefield_int4(TupleField *tuple_field, Int4 value)
  57 {
  58         char            buffer[15];
  59
  60         sprintf(buffer, "%ld", value);
  61
  62         tuple_field->len = strlen(buffer) + 1;
  63         /* +1 ... is this correct (better be on the save side-...) */
  64         tuple_field->value = strdup(buffer);
  65 }