add vercmp functions to libzpm

[zpackage] / zpm-vercmp.c

diff --git a/zpm-vercmp.c b/zpm-vercmp.c
new file mode 100644 (file)
index 0000000..bfa5412
--- /dev/null
+++ b/zpm-vercmp.c
@@ -0,0 +1,15 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "zpm.h"
+
+int main(int ac, char *av[]) {
+       int cmp;
+
+       if (ac < 2) return 1;
+
+       cmp = zpm_vercmp(av[1], av[2]);
+       printf("%d\n", cmp);
+       if (cmp == -1) cmp = 2;
+       return cmp;
+}