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author | Michael Brown | 2007-01-26 04:25:19 +0100 |
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committer | Michael Brown | 2007-01-26 04:25:19 +0100 |
commit | afe4e011ac5ab49cb7a24c9c0da262b50ed68130 (patch) | |
tree | 174ca0a0ad8e9e56b889ceedb691a4e4436a96b8 /src/include/ctype.h | |
parent | Add 64-bit rotates (diff) | |
download | ipxe-afe4e011ac5ab49cb7a24c9c0da262b50ed68130.tar.gz ipxe-afe4e011ac5ab49cb7a24c9c0da262b50ed68130.tar.xz ipxe-afe4e011ac5ab49cb7a24c9c0da262b50ed68130.zip |
Move tolower() etc to ctype.h as per ISO C
Diffstat (limited to 'src/include/ctype.h')
-rw-r--r-- | src/include/ctype.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/include/ctype.h b/src/include/ctype.h new file mode 100644 index 00000000..a79395d2 --- /dev/null +++ b/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 */ |