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add arch_prctl syscall (amd64/x32 only)
[musl]
/
src
/
ctype
/
iswalpha.c
diff --git
a/src/ctype/iswalpha.c
b/src/ctype/iswalpha.c
index
0f031ea
..
4007c8a
100644
(file)
--- a/
src/ctype/iswalpha.c
+++ b/
src/ctype/iswalpha.c
@@
-1,6
+1,14
@@
#include <wctype.h>
#include <wctype.h>
+static unsigned char table[] = {
+#include "alpha.h"
+};
+
int iswalpha(wint_t wc)
{
int iswalpha(wint_t wc)
{
- return (32U|wc)-'a'<26;
+ if (wc<0x20000U)
+ return (table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1;
+ if (wc<0x2fffeU)
+ return 1;
+ return 0;
}
}