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| author | Karl Williamson <public@khwilliamson.com> | 2012-01-09 12:12:00 -0700 |
|---|---|---|
| committer | Karl Williamson <public@khwilliamson.com> | 2012-02-09 10:13:56 -0700 |
| commit | 851131d3e04cc3e811d1777d97e35d66192b9ff7 (patch) | |
| tree | f42c37ebfeceb4ddedb4ac6acdd1af4e5afec261 /handy.h | |
| parent | 35245af46df86a11fd27832c39945b4dbcafaf8b (diff) | |
| download | perl-851131d3e04cc3e811d1777d97e35d66192b9ff7.tar.gz | |
handy.h: Add comment
Diffstat (limited to 'handy.h')
| -rw-r--r-- | handy.h | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -827,6 +827,10 @@ EXTCONST U32 PL_charclass[]; # if defined(CTYPE256) || (!defined(isascii) && !defined(HAS_ISASCII)) +/* Note that the foo_LC() macros in this case generally are defined only on + * code points 0-256, and give undefined, unwarned results if called with + * values outside that range */ + # define isALNUM_LC(c) (isalnum((unsigned char)(c)) || (char)(c) == '_') # define isIDFIRST_LC(c) (isalpha((unsigned char)(c)) || (char)(c) == '_') # define isALPHA_LC(c) isalpha((unsigned char)(c)) |