Trimming character columns

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От Cem ÇÖLGEÇEN
Тема Trimming character columns
Дата
Msg-id CACVVsG28AEJaU5ts4tEq1+ivNm__Qm4iQ4ziFWuZnf16O6M+FA@mail.gmail.com
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Ответы Re: Trimming character columns  ("Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>)
Список pgsql-odbc
Hi,

I want to trimming character(char) columns via ODBC driver. I've done something like this and it works, but I'm not satisfied.

file: convert.c

/*
* First convert any specific postgres types into more useable data.
*
* NOTE: Conversions from PG char/varchar of a date/time/timestamp value
* to SQL_C_DATE,SQL_C_TIME, SQL_C_TIMESTAMP not supported
*/
switch (field_type)
{
/*
* $$$ need to add parsing for date/time/timestamp strings in
* PG_TYPE_CHAR,VARCHAR $$$
*/
 
/*ADDED*/ case 1042:
/*ADDED*/ rtrim(value);
/*ADDED*/ break; 
 
case PG_TYPE_DATE:
sscanf(value, "%4d-%2d-%2d", &std_time.y, &std_time.m, &std_time.d);
break;

case PG_TYPE_TIME:
{

BOOL bZone = FALSE; /* time zone stuff is unreliable */
int zone;
timestamp2stime(value, &std_time, &bZone, &zone);
}
break;

I have rtim function:

void rtrim(char *str) {
  char *s;
  s = str + strlen(str);
  while (--s >= str) {
    if (!isspace(*s)) break;
    *s = 0;
  }
}


How do I make it more stable?

Thank you.

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