X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=lib%2Fvercmp.c;h=16cf1cdc4eab48ab1f4b89b4cac0178d23b4a858;hb=e65e12081df227971bcf449ebcb230e1c980649b;hp=91d536305cdcf97d6c84d0b32343a1f794d69c73;hpb=8db0580dab2fa716c486acbf34e459a56427acc3;p=zpackage

diff --git a/lib/vercmp.c b/lib/vercmp.c
index 91d5363..16cf1cd 100644
--- a/lib/vercmp.c
+++ b/lib/vercmp.c
@@ -52,6 +52,9 @@ static int ver_cmp(struct ver *a, struct ver *b) {
 	}
 	if (a->type == 1) {
 		int cmp;
+		if (a->s && ! b->s) return 1;
+		if (b->s && ! a->s) return -1;
+		if (!b->s && ! a->s) return 0;
 		cmp = strcmp(a->s, b->s);
 		if (cmp == 0) {
 			return 0;
@@ -127,6 +130,9 @@ int zpm_vercmp(const char *vsa, const char *vsb) {
 			}
 			return an < bn ? -1 : 1;
 		}
+		if (an == 0 && bn == 0) {
+			return 0;
+		}
 		cmp = ver_cmp(&a, &b);
 		if (cmp != 0) {
 			return cmp;