getopt(3) returns an int so don't use a char to store its return value.

Makes the test work on architectures where char is unsigned.

ok deraadt@, millert@

2 files changed, 4 insertions, 4 deletions

diff --git a/src/regress/lib/libc/printf/int.c b/src/regress/lib/libc/printf/int.c
index d6ecb7a98d..5a56c8d50e 100644
--- a/src/regress/lib/libc/printf/int.c
+++ b/src/regress/lib/libc/printf/int.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: int.c,v 1.1 2020/07/09 01:49:15 schwarze Exp $ */
+/* $OpenBSD: int.c,v 1.2 2020/07/14 16:40:04 kettenis Exp $ */
 /*
  * Copyright (c) 2020 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -178,7 +178,7 @@ int
 main(int argc, char *argv[])
 {
         int              badarg, picky;
-        char             ch;
+        int              ch;
 
         badarg = picky = 0;
         while ((ch = getopt(argc, argv, "pv")) != -1) {
diff --git a/src/regress/lib/libc/printf/string.c b/src/regress/lib/libc/printf/string.c
index afbc4fc79c..6e65a371a4 100644
--- a/src/regress/lib/libc/printf/string.c
+++ b/src/regress/lib/libc/printf/string.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: string.c,v 1.1 2020/07/08 01:18:04 schwarze Exp $ */
+/* $OpenBSD: string.c,v 1.2 2020/07/14 16:40:04 kettenis Exp $ */
 /*
  * Copyright (c) 2020 Ingo Schwarze <schwarze@openbsd.org>
  *
@@ -255,7 +255,7 @@ main(int argc, char *argv[])
         const wchar_t    ws[] = { 0x0421, 0x043e, 0x0444, 0x044f, 0 };
         const wchar_t    wsbad[] = { 0x0391, 0xdeef, 0x3c9, 0 };
         int              badarg, picky;
-        char             ch;
+        int              ch;
 
         badarg = picky = 0;
         while ((ch = getopt(argc, argv, "pv")) != -1) {