80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
|
|
checkTag.c - Version validation tool for LZ4
|
|
Copyright (C) Yann Collet 2018 - present
|
|
|
|
GPL v2 License
|
|
|
|
This program 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 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
You can contact the author at :
|
|
- LZ4 homepage : http://www.lz4.org
|
|
- LZ4 source repo : https://github.com/lz4/lz4
|
|
*/
|
|
|
|
/* checkTag command :
|
|
* $ ./checkTag tag
|
|
* checkTag validates tags of following format : v[0-9].[0-9].[0-9]{any}
|
|
* The tag is then compared to LZ4 version number.
|
|
* They are compatible if first 3 digits are identical.
|
|
* Anything beyond that is free, and doesn't impact validation.
|
|
* Example : tag v1.8.1.2 is compatible with version 1.8.1
|
|
* When tag and version are not compatible, program exits with error code 1.
|
|
* When they are compatible, it exists with a code 0.
|
|
* checkTag is intended to be used in automated testing environment.
|
|
*/
|
|
|
|
#include <stdio.h> /* printf */
|
|
#include <string.h> /* strlen, strncmp */
|
|
#include "lz4.h" /* LZ4_VERSION_STRING */
|
|
|
|
|
|
/* validate() :
|
|
* @return 1 if tag is compatible, 0 if not.
|
|
*/
|
|
static int validate(const char* const tag)
|
|
{
|
|
size_t const tagLength = strlen(tag);
|
|
size_t const verLength = strlen(LZ4_VERSION_STRING);
|
|
|
|
if (tagLength < 2) return 0;
|
|
if (tag[0] != 'v') return 0;
|
|
if (tagLength <= verLength) return 0;
|
|
|
|
if (strncmp(LZ4_VERSION_STRING, tag+1, verLength)) return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, const char** argv)
|
|
{
|
|
const char* const exeName = argv[0];
|
|
const char* const tag = argv[1];
|
|
if (argc!=2) {
|
|
printf("incorrect usage : %s tag \n", exeName);
|
|
return 2;
|
|
}
|
|
|
|
printf("Version : %s \n", LZ4_VERSION_STRING);
|
|
printf("Tag : %s \n", tag);
|
|
|
|
if (validate(tag)) {
|
|
printf("OK : tag is compatible with lz4 version \n");
|
|
return 0;
|
|
}
|
|
|
|
printf("!! error : tag and versions are not compatible !! \n");
|
|
return 1;
|
|
}
|