Rebase libarchive to 2.7.1

1 files changed, 20 insertions, 0 deletions

diff --git a/libarchive/libarchive-2.7.1/build/cmake/CheckHeaderSTDC.c b/libarchive/libarchive-2.7.1/build/cmake/CheckHeaderSTDC.c
new file mode 100644
index 0000000..cba0810
--- /dev/null
+++ b/libarchive/libarchive-2.7.1/build/cmake/CheckHeaderSTDC.c
@@ -0,0 +1,20 @@
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ctype.h>
+
+#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+
+int
+main()
+{
+  int i;
+
+  for (i = 0; i < 256; i++) {
+    if (XOR(islower(i), ISLOWER(i)) || toupper(i) != TOUPPER(i))
+      return 2;
+  }
+  return 0;
+}