diff options
Diffstat (limited to 'lib/libc/locale/tolower.c')
-rw-r--r-- | lib/libc/locale/tolower.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/libc/locale/tolower.c b/lib/libc/locale/tolower.c index f1d6fe0..e72a52c 100644 --- a/lib/libc/locale/tolower.c +++ b/lib/libc/locale/tolower.c @@ -41,18 +41,28 @@ _BSD_RUNE_T_ ___tolower(c) _BSD_RUNE_T_ c; { +#ifdef XPG4 int x; _RuneRange *rr = &_CurrentRuneLocale->maplower_ext; _RuneEntry *re = rr->ranges; +#endif if (c == EOF) return(EOF); + if (c < 0) { + if (c >= -128) /* signed char */ + return(_CurrentRuneLocale->maplower[(unsigned char)c]); + else + return(c); + } +#ifdef XPG4 for (x = 0; x < rr->nranges; ++x, ++re) { if (c < re->min) return(c); if (c <= re->max) return(re->map + c - re->min); } +#endif return(c); } |