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fix spuriously slow check in twoway strstr/memmem cores
[musl]
/
src
/
multibyte
/
mbtowc.c
diff --git
a/src/multibyte/mbtowc.c
b/src/multibyte/mbtowc.c
index
803d221
..
c191bb0
100644
(file)
--- a/
src/multibyte/mbtowc.c
+++ b/
src/multibyte/mbtowc.c
@@
-1,9
+1,4
@@
-/*
- * This code was written by Rich Felker in 2010; no copyright is claimed.
- * This code is in the public domain. Attribution is appreciated but
- * unnecessary.
- */
-
+#include <stdlib.h>
#include <wchar.h>
#include <errno.h>
#include "internal.h"
#include <wchar.h>
#include <errno.h>
#include "internal.h"
@@
-19,6
+14,7
@@
int mbtowc(wchar_t *restrict wc, const char *restrict src, size_t n)
if (!wc) wc = &dummy;
if (*s < 0x80) return !!(*wc = *s);
if (!wc) wc = &dummy;
if (*s < 0x80) return !!(*wc = *s);
+ if (MB_CUR_MAX==1) return (*wc = CODEUNIT(*s)), 1;
if (*s-SA > SB-SA) goto ilseq;
c = bittab[*s++-SA];
if (*s-SA > SB-SA) goto ilseq;
c = bittab[*s++-SA];