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