diff options
Diffstat (limited to 'gpxe/src/include/ctype.h')
-rw-r--r-- | gpxe/src/include/ctype.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gpxe/src/include/ctype.h b/gpxe/src/include/ctype.h new file mode 100644 index 00000000..a79395d2 --- /dev/null +++ b/gpxe/src/include/ctype.h @@ -0,0 +1,28 @@ +#ifndef _CTYPE_H +#define _CTYPE_H + +/** @file + * + * Character types + */ + +#define isdigit(c) ((c & 0x04) != 0) +#define islower(c) ((c & 0x02) != 0) +//#define isspace(c) ((c & 0x20) != 0) +#define isupper(c) ((c & 0x01) != 0) + +static inline unsigned char tolower(unsigned char c) +{ + if (isupper(c)) + c -= 'A'-'a'; + return c; +} + +static inline unsigned char toupper(unsigned char c) +{ + if (islower(c)) + c -= 'a'-'A'; + return c; +} + +#endif /* _CTYPE_H */ |