mirror of
https://github.com/alexkay/spek.git
synced 2025-04-25 20:32:14 +03:00
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/* spek-utils.c
|
|
*
|
|
* Copyright (C) 2012 Alexander Kojevnikov <alexander@kojevnikov.com>
|
|
*
|
|
* Spek is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Spek is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Spek. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "spek-utils.h"
|
|
|
|
int spek_vercmp(const char *a, const char *b)
|
|
{
|
|
assert(a && b);
|
|
|
|
if (!*a && !*b) {
|
|
return 0;
|
|
}
|
|
if (!*a) {
|
|
return -1;
|
|
}
|
|
if (!*b) {
|
|
return 1;
|
|
}
|
|
|
|
char *i, *j;
|
|
while(1) {
|
|
i = j = NULL;
|
|
long x = strtol(a, &i, 10);
|
|
long y = strtol(b, &j, 10);
|
|
|
|
if (x < y) {
|
|
return -1;
|
|
}
|
|
if (x > y) {
|
|
return 1;
|
|
}
|
|
|
|
if (!*i && !*j) {
|
|
return 0;
|
|
}
|
|
if (!*i) {
|
|
return -1;
|
|
}
|
|
if (!*j) {
|
|
return 1;
|
|
}
|
|
|
|
a = i + 1;
|
|
b = j + 1;
|
|
}
|
|
}
|