mirror of
https://github.com/levinsv/pgadmin3.git
synced 2026-05-15 14:15:49 -06:00
112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
|
|
/*
|
|
* M_APM - mapmistr.c
|
|
*
|
|
* Copyright (C) 1999 - 2007 Michael C. Ring
|
|
*
|
|
* Permission to use, copy, and distribute this software and its
|
|
* documentation for any purpose with or without fee is hereby granted,
|
|
* provided that the above copyright notice appear in all copies and
|
|
* that both that copyright notice and this permission notice appear
|
|
* in supporting documentation.
|
|
*
|
|
* Permission to modify the software is granted. Permission to distribute
|
|
* the modified code is granted. Modifications are to be distributed by
|
|
* using the file 'license.txt' as a template to modify the file header.
|
|
* 'license.txt' is available in the official MAPM distribution.
|
|
*
|
|
* This software is provided "as is" without express or implied warranty.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* This file contains M_APM -> integer string function
|
|
*
|
|
*/
|
|
|
|
#include "pgAdmin3.h"
|
|
#include "pgscript/utilities/mapm-lib/m_apm_lc.h"
|
|
|
|
/****************************************************************************/
|
|
void m_apm_to_integer_string(char *s, M_APM mtmp)
|
|
{
|
|
void *vp;
|
|
UCHAR *ucp, numdiv, numrem;
|
|
char *cp, *p, sbuf[128];
|
|
int ct, dl, numb, ii;
|
|
|
|
vp = NULL;
|
|
ct = mtmp->m_apm_exponent;
|
|
dl = mtmp->m_apm_datalength;
|
|
|
|
/*
|
|
* if |input| < 1, result is "0"
|
|
*/
|
|
|
|
if (ct <= 0 || mtmp->m_apm_sign == 0)
|
|
{
|
|
s[0] = '0';
|
|
s[1] = '\0';
|
|
return;
|
|
}
|
|
|
|
if (ct > 112)
|
|
{
|
|
if ((vp = (void *)MAPM_MALLOC((ct + 32) * sizeof(char))) == NULL)
|
|
{
|
|
/* fatal, this does not return */
|
|
|
|
M_apm_log_error_msg(M_APM_FATAL,
|
|
"\'m_apm_to_integer_string\', Out of memory");
|
|
}
|
|
|
|
cp = (char *)vp;
|
|
}
|
|
else
|
|
{
|
|
cp = sbuf;
|
|
}
|
|
|
|
p = cp;
|
|
ii = 0;
|
|
|
|
/* handle a negative number */
|
|
|
|
if (mtmp->m_apm_sign == -1)
|
|
{
|
|
ii = 1;
|
|
*p++ = '-';
|
|
}
|
|
|
|
/* get num-bytes of data (#digits / 2) to use in the string */
|
|
|
|
if (ct > dl)
|
|
numb = (dl + 1) >> 1;
|
|
else
|
|
numb = (ct + 1) >> 1;
|
|
|
|
ucp = mtmp->m_apm_data;
|
|
|
|
while (TRUE)
|
|
{
|
|
M_get_div_rem_10((int)(*ucp++), &numdiv, &numrem);
|
|
|
|
*p++ = numdiv + '0';
|
|
*p++ = numrem + '0';
|
|
|
|
if (--numb == 0)
|
|
break;
|
|
}
|
|
|
|
/* pad with trailing zeros if the exponent > datalength */
|
|
|
|
if (ct > dl)
|
|
memset(p, '0', (ct + 1 - dl));
|
|
|
|
cp[ct + ii] = '\0';
|
|
strcpy(s, cp);
|
|
|
|
if (vp != NULL)
|
|
MAPM_FREE(vp);
|
|
}
|
|
/****************************************************************************/
|