temp variable for a bit of clarity

diff --git a/usr.bin/signify/signify.c b/usr.bin/signify/signify.c
index 4f21ce8..00f17ad 100644 (file)
--- a/usr.bin/signify/signify.c
+++ b/usr.bin/signify/signify.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: signify.c,v 1.77 2014/05/06 23:33:04 tedu Exp $ */
+/* $OpenBSD: signify.c,v 1.78 2014/05/06 23:50:53 tedu Exp $ */
 /*
  * Copyright (c) 2013 Ted Unangst <tedu@openbsd.org>
  *
@@ -544,7 +544,7 @@ verifychecksums(char *msg, int argc, char **argv, int quiet)
        char *line, *endline;
        struct checksum *checksums = NULL, *c = NULL;
        int nchecksums = 0;
-       int i, j, uselist, count, hasfailed;
+       int i, j, rv, uselist, count, hasfailed;
        int *failures;
 
        line = msg;
@@ -554,10 +554,10 @@ verifychecksums(char *msg, int argc, char **argv, int quiet)
                        err(1, "realloc");
                c = &checksums[nchecksums++];
                if ((endline = strchr(line, '\n')))
-                       *endline++ = 0;
-               if (sscanf(line, "%255s %1023s = %1023s",
-                   c->algo, buf, c->hash) != 3 ||
-                   buf[0] != '(' || buf[strlen(buf) - 1] != ')')
+                       *endline++ = '\0';
+               rv = sscanf(line, "%255s %1023s = %1023s",
+                   c->algo, buf, c->hash);
+               if (rv != 3 || buf[0] != '(' || buf[strlen(buf) - 1] != ')')
                        errx(1, "unable to parse checksum line %s", line);
                buf[strlen(buf) - 1] = 0;
                strlcpy(c->file, buf + 1, sizeof(c->file));