GRASS GIS 8 Programmer's Manual  8.4.0dev(2024)-44ea597914
ascii_chk.c
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1 /*!
2  * \file lib/gis/ascii_chk.c
3  *
4  * \brief GIS Library - Remove non-ascii characters
5  *
6  * (C) 2001-2014 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 GRASS GIS Development Team
12  *
13  * \date 1999-2014
14  */
15 
16 #include <grass/gis.h>
17 
18 #define TAB 011
19 #define SPACE 040
20 
21 /**
22  * \brief Removes non-ascii characters from buffer.
23  *
24  * Updates <b>string</b> with non_ascii characters removed, except for
25  * tabs, which are turned into spaces.
26  *
27  * \param[in,out] string buffer to have non-ascii characters removed
28  * \return
29  */
30 
31 void G_ascii_check(char *string)
32 {
33  char *ptr1, *ptr2;
34 
35  ptr1 = string;
36  ptr2 = string;
37 
38  while (*ptr1) {
39  if ((*ptr1 >= 040) && (*ptr1 <= 0176))
40  *ptr2++ = *ptr1;
41  else if (*ptr1 == TAB)
42  *ptr2++ = SPACE;
43  ptr1++;
44  }
45  *ptr2 = 0;
46 }
void G_ascii_check(char *string)
Removes non-ascii characters from buffer.
Definition: ascii_chk.c:31
#define SPACE
Definition: ascii_chk.c:19
#define TAB
Definition: ascii_chk.c:18