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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/analyze/analyze-compare-versions.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/analyze/analyze-compare-versions.c')
-rw-r--r--src/analyze/analyze-compare-versions.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/analyze/analyze-compare-versions.c b/src/analyze/analyze-compare-versions.c
new file mode 100644
index 0000000..94cff18
--- /dev/null
+++ b/src/analyze/analyze-compare-versions.c
@@ -0,0 +1,52 @@
+/* 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) {
+ const char *v1 = ASSERT_PTR(argv[1]), *v2 = ASSERT_PTR(argv[argc-1]);
+ int r;
+
+ assert(IN_SET(argc, 3, 4));
+ assert(argv);
+
+ /* We only output a warning on invalid version strings (instead of failing), since the comparison
+ * functions try to handle invalid strings gracefully and it's still interesting to see what the
+ * comparison result will be. */
+ if (!version_is_valid_versionspec(v1))
+ log_warning("Version string 1 contains disallowed characters, they will be treated as separators: %s", v1);
+ if (!version_is_valid_versionspec(v2))
+ log_warning("Version string 2 contains disallowed characters, they will be treated as separators: %s", v2);
+
+ if (argc == 3) {
+ r = strverscmp_improved(v1, v2);
+ printf("%s %s %s\n",
+ isempty(v1) ? "''" : v1,
+ comparison_operator(r),
+ isempty(v2) ? "''" : v2);
+
+ /* 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;
+ assert(argc == 4);
+
+ 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, v1, v2);
+ if (r < 0)
+ return log_error_errno(r, "Failed to compare versions: %m");
+
+ return r ? EXIT_SUCCESS : EXIT_FAILURE;
+ }
+}