| 0,0 → 1,35 |
|---|
| /* |
| * trims any space, tab, cr or lf |
| * Copyright (C) 2012-2021 Mateusz Viste |
| */ |
| |
| #include "trim.h" |
| |
| void trim(char *str) { |
| int x, y, firstchar = -1, lastchar = -1; |
| |
| /* find out first and last non-whitespace char */ |
| for (x = 0; str[x] != 0; x++) { |
| switch (str[x]) { |
| case ' ': |
| case '\t': |
| case '\n': |
| case '\r': |
| break; |
| default: |
| if (firstchar < 0) firstchar = x; |
| lastchar = x; |
| break; |
| } |
| } |
| |
| /* right trim */ |
| str[lastchar + 1] = 0; |
| |
| /* left trim (shift to the left ) */ |
| if (firstchar > 0) { |
| y = 0; |
| for (x = firstchar; str[x] != 0; x++) str[y++] = str[x]; |
| str[y] = 0; |
| } |
| } |