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Add conversions for int2 and int4 to and from text.

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This commit is contained in:
Thomas G. Lockhart
1997-10-25 05:19:22 +00:00
parent 2c1557a2ff
commit 317acd0818
1 changed files with 91 additions and 8 deletions
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87
src/backend/utils/adt/int.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.8 1997/09/08 21:48:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.9 1997/10/25 05:19:22 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -16,7 +16,7 @@
* I/O routines:
* int2in, int2out, int28in, int28out, int4in, int4out
* Conversion routines:
* itoi
* itoi, int2_text, int4_text
* Boolean operators:
* inteq, intne, intlt, intle, intgt, intge
* Arithmetic operators:
@ -29,6 +29,7 @@
* fix me when we figure out what we want to do about ANSIfication...
*/
#include <stdio.h>
#include <string.h>
#include "postgres.h"
#include "fmgr.h"
@ -228,6 +229,88 @@ i4toi2(int32 arg1)
return ((int16) arg1);
}
text *
int2_text(int16 arg1)
{
text *result;
int len;
char *str;
str = int2out(arg1);
len = (strlen(str) + VARHDRSZ);
result = PALLOC(len);
VARSIZE(result) = len;
memmove(VARDATA(result), str, (len - VARHDRSZ));
PFREE(str);
return(result);
} /* int2_text() */
int16
text_int2(text *string)
{
int16 result;
int len;
char *str;
len = (VARSIZE(string) - VARHDRSZ);
str = PALLOC(len+1);
memmove(str, VARDATA(string), len);
*(str+len) = '\0';
result = int2in(str);
PFREE(str);
return(result);
} /* text_int2() */
text *
int4_text(int32 arg1)
{
text *result;
int len;
char *str;
str = int4out(arg1);
len = (strlen(str) + VARHDRSZ);
result = PALLOC(len);
VARSIZE(result) = len;
memmove(VARDATA(result), str, (len - VARHDRSZ));
PFREE(str);
return(result);
} /* int4_text() */
int32
text_int4(text *string)
{
int32 result;
int len;
char *str;
len = (VARSIZE(string) - VARHDRSZ);
str = PALLOC(len+1);
memmove(str, VARDATA(string), len);
*(str+len) = '\0';
result = int4in(str);
PFREE(str);
return(result);
} /* text_int4() */
/*
* =========================