X-Git-Url: https://pd.if.org/git/?p=zpackage;a=blobdiff_plain;f=elf%2Fsoname.c;fp=elf%2Fsoname.c;h=06e56624eaccffbf30a8d928e09678127def7c13;hp=8b6c451275f8a8e42d8f50cb58b028d380a7cc07;hb=3fbafae81dbc483ba0e37bd66e269702cd666af2;hpb=6274fb230a7d4ee8ccd893b306541c2b13658bcc

diff --git a/elf/soname.c b/elf/soname.c
index 8b6c451..06e5662 100644
--- a/elf/soname.c
+++ b/elf/soname.c
@@ -23,6 +23,11 @@ int main(int ac, char **av) {
 	char *name, *dynname;
 	Elf64_Dyn *dent;
 
+	if (ac < 2) {
+		fprintf(stderr, "usage: soname <file>\n");
+		exit(EXIT_FAILURE);
+	}
+
 	if (lstat(av[1], &sbuf) == -1) {
 		exit(1);
 	}
@@ -42,7 +47,7 @@ int main(int ac, char **av) {
 		exit(1);
 	}
 	/* not at least the size of the elf header? */
-	if (sbuf.st_size < sizeof(Elf64_Ehdr)) {
+	if ((size_t)sbuf.st_size < sizeof(Elf64_Ehdr)) {
 		exit(1);
 	}