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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <stdio.h>
#include "analyze-compare-versions.h"
#include "compare-operator.h"
#include "macro.h"
#include "string-util.h"
#include "strv.h"
int verb_compare_versions(int argc, char *argv[], void *userdata) {
int r;
assert(IN_SET(argc, 3, 4));
assert(argv);
if (argc == 3) {
r = strverscmp_improved(ASSERT_PTR(argv[1]), ASSERT_PTR(argv[2]));
printf("%s %s %s\n",
isempty(argv[1]) ? "''" : argv[1],
comparison_operator(r),
isempty(argv[2]) ? "''" : argv[2]);
/* This matches the exit convention used by rpmdev-vercmp.
* We don't use named values because 11 and 12 don't have names. */
return r < 0 ? 12 : r > 0 ? 11 : 0;
} else {
const char *op = ASSERT_PTR(argv[2]);
CompareOperator operator;
operator = parse_compare_operator(&op, COMPARE_ALLOW_TEXTUAL);
if (operator < 0 || !isempty(op))
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown operator \"%s\".", op);
r = version_or_fnmatch_compare(operator, ASSERT_PTR(argv[1]), ASSERT_PTR(argv[3]));
if (r < 0)
return log_error_errno(r, "Failed to compare versions: %m");
return r ? EXIT_SUCCESS : EXIT_FAILURE;
}
}
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