diff options
Diffstat (limited to 'Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.c')
-rw-r--r-- | Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.c b/Utilities/cmlibarchive/build/cmake/CheckHeaderSTDC.c new file mode 100644 index 0000000..cba0810 --- /dev/null +++ b/Utilities/cmlibarchive/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; +} |