Subversion Repositories SvarDOS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
219 mateuszvis 1 
/*
2 
 * Right trim any space, tab, cr or lf
3 
 * Copyright (C) 2012-2016 Mateusz Viste
4 
 */
5 
 
6 
#include "rtrim.h"
7 
 
8 
void rtrim(char *str) {
9 
  int x, realendofstr = 0;
10 
  for (x = 0; str[x] != 0; x++) {
11 
    switch (str[x]) {
12 
      case ' ':
13 
      case '\t':
14 
      case '\r':
15 
      case '\n':
16 
        break;
17 
      default:
18 
        realendofstr = x + 1;
19 
        break;
20 
    }
21 
  }
22 
  str[realendofstr] = 0;
23 
}
24 
 
25 
 
26 
void trim(char *str) {
27 
  int x, y, firstchar = -1, lastchar = -1;
28 
  for (x = 0; str[x] != 0; x++) {
29 
    switch (str[x]) {
30 
      case ' ':
31 
      case '\t':
32 
      case '\n':
33 
      case '\r':
34 
        break;
35 
      default:
36 
        if (firstchar < 0) firstchar = x;
37 
        lastchar = x;
38 
        break;
39 
    }
40 
  }
41 
  str[lastchar + 1] = 0; /* right trim */
42 
  if (firstchar > 0) { /* left trim (shift to the left ) */
43 
    y = 0;
44 
    for (x = firstchar; str[x] != 0; x++) str[y++] = str[x];
45 
    str[y] = 0;
46 
  }
47 
}