check for empty parameters in askfirst

[project/procd.git] / utils / askfirst.c

diff --git a/utils/askfirst.c b/utils/askfirst.c
index e78823c..69de76f 100644 (file)
--- a/utils/askfirst.c
+++ b/utils/askfirst.c
@@ -31,8 +31,13 @@ int main(int argc, char **argv)
        }
        while (c != 0xA);
 
+       if (argc < 2) {
+               printf("%s needs to be called with at least 1 parameter\n", argv[0]);
+               return -1;
+       }
+
        execvp(argv[1], &argv[1]);
-       printf("Failed to execute %s\n", argv[0]);
+       printf("Failed to execute %s\n", argv[1]);
 
        return -1;
 }