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#include "gis.h"
#include <string.h>
/* puts commas into numbers:
1234567 becomes 1,234,567
1234567.89 becomes 1,234,567.89
12345 becomes 12,345
1234 stays 1234
* doesn't work well with negative numbers (yet)
*/
int G_insert_commas(
char *buf)
{
char number[100];
int i,len;
int comma;
while (*buf == ' ') buf++;
strcpy (number, buf);
for (len=0; number[len]; len++)
if(number[len] == '.')
break;
if (len < 5)
return 1;
i = 0;
if (comma = len%3)
{
while (i < comma)
*buf++ = number[i++];
*buf++ = ',';
}
for (comma = 0; number[i]; comma++)
{
if (number[i] == '.')
break;
if (comma && (comma%3 == 0))
*buf++ = ',';
*buf++ = number[i++];
}
while (number[i])
*buf++ = number[i++];
*buf = 0;
return 0;
}
/* removes commas from strings representing a number
1,234,567 becomes 1234567
1,234,567.89 becomes 1234567.89
12,345 becomes 12345
1234 stays 1234
*/
#include <string.h>
int G_remove_commas(
char *buf)
{
char *b;
for (b=buf; *b; b++)
if(*b != ',')
*buf++ = *b;
*buf = 0;
return 0;
}
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