1 /*
2  Copyright (C) 2005 Michael Hanselmann
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation; either version 2 of the License, or
7  (at your option) any later version.
8 
9  $Id: case.c,v 1.2 2005/04/30 23:09:19 michael Exp $
10 */
11 
12 #include <stdlib.h>
13 #include <ctype.h>
14 #include "pmt.h"
15 
PMT_MODULE_INIT(tolower)16 PMT_MODULE_INIT(tolower) {
17     return 1;
18 }
19 
PMT_MODULE_INIT(toupper)20 PMT_MODULE_INIT(toupper) {
21     return 1;
22 }
23 
24 #define CASE_IMPL(func) \
25     for(int i = 0; i < len; ++i) { \
26         if(isalpha(buf[i])) { \
27             buf[i] = func(buf[i]); \
28         } \
29     }
30 
PMT_MODULE_IMPL(tolower)31 PMT_MODULE_IMPL(tolower) {
32     CASE_IMPL(tolower);
33 }
34 
PMT_MODULE_IMPL(toupper)35 PMT_MODULE_IMPL(toupper) {
36     CASE_IMPL(toupper);
37 }
38 
PMT_MODULE_END(tolower)39 PMT_MODULE_END(tolower) { }
PMT_MODULE_END(toupper)40 PMT_MODULE_END(toupper) { }
41