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[libc] Fix isdigit(), islower() and isupper().

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From: Stefan Hajnoczi <stefanha@gmail.com>
This commit is contained in:
Michael Brown
2008-05-19 16:34:17 +01:00
parent 78281b09e6
commit 7d01bf663e
3 changed files with 9 additions and 16 deletions
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7
src/include/ctype.h
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@@ -6,10 +6,9 @@
* 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)
#define isdigit(c) ((c) >= '0' && (c) <= '9')
#define islower(c) ((c) >= 'a' && (c) <= 'z')
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
static inline unsigned char tolower(unsigned char c)
{