GRASS GIS 7 Programmer's Manual  7.5.svn(2017)-r71933
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trim_dec.c
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1 /*!
2  * \file lib/gis/trim_dec.c
3  *
4  * \brief GIS Library - Trim string decimal functions.
5  *
6  * (C) 2001-2009 by the GRASS Development Team
7  *
8  * This program is free software under the GNU General Public License
9  * (>=v2). Read the file COPYING that comes with GRASS for details.
10  *
11  * \author Original author CERL
12  */
13 
14 #include <string.h>
15 #include <grass/gis.h>
16 
17 /*!
18  * \brief Removes trailing zeros from decimal number.
19  *
20  * Example: 23.45000 would come back as 23.45
21  *
22  * \param[in,out] buf
23  */
24 void G_trim_decimal(char *buf)
25 {
26  char *mark;
27 
28  /* don't trim e+20 into e+2 */
29  if( strchr(buf, 'e') || strchr(buf, 'E') )
30  return;
31 
32  /* find the . */
33  while (*buf != '.')
34  if (*buf++ == 0)
35  return;
36 
37  mark = buf;
38  while (*++buf)
39  if (*buf != '0')
40  mark = buf + 1;
41  *mark = 0;
42 }
void G_trim_decimal(char *buf)
Removes trailing zeros from decimal number.
Definition: trim_dec.c:24