diff options
Diffstat (limited to 'mdk-stage1/dietlibc/lib/isxdigit.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/isxdigit.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mdk-stage1/dietlibc/lib/isxdigit.c b/mdk-stage1/dietlibc/lib/isxdigit.c index 22a711f2d..bca8e74ac 100644 --- a/mdk-stage1/dietlibc/lib/isxdigit.c +++ b/mdk-stage1/dietlibc/lib/isxdigit.c @@ -1,5 +1,8 @@ -int __isxdigit_ascii(int c) { - return ((c>='0'&&c<='9') || (c>='A'&&c<='F') || (c>='a'&&c<='f')); +int __isxdigit_ascii ( int ch ); +int __isxdigit_ascii ( int ch ) +{ + return (unsigned int)( ch - '0') < 10u || + (unsigned int)((ch | 0x20) - 'a') < 6u; } -int isxdigit(int c) __attribute__((weak,alias("__isxdigit_ascii"))); +int isxdigit ( int ch ) __attribute__((weak,alias("__isxdigit_ascii"))); |