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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2009-10-23 02:22:03 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2009-10-23 02:22:03 +0200 |
| commit | 7b4cd6f7b07b816c4b36d686fe47c5cfec7f5abf (patch) | |
| tree | a31cc5ba7ff0f4a46f72a4318b64765744242ad1 /include/libbb.h | |
| parent | c1947f18f539b3e2e1972ec0c9a78c4651cf328b (diff) | |
| download | busybox-7b4cd6f7b07b816c4b36d686fe47c5cfec7f5abf.tar.gz | |
libbb: smaller isdigit. -95 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include/libbb.h')
| -rw-r--r-- | include/libbb.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/libbb.h b/include/libbb.h index fb7296f25..ad0d59d04 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1579,9 +1579,10 @@ extern const char bb_default_login_shell[]; #undef isupper #undef isxdigit -/* This one is more efficient - we save ~400 bytes */ +/* This one is more efficient - we save ~500 bytes. + * BTW, x86 likes (unsigned char) cast more than (unsigned). */ #undef isdigit -#define isdigit(a) ((unsigned)((a) - '0') <= 9) +#define isdigit(a) ((unsigned char)((a) - '0') <= 9) /* This one is more efficient too! ~200 bytes */ /* In POSIX/C locale (the only locale we care about: do we REALLY want |