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implement wordexp. first try, may be buggy. intended to be safe.
[musl]
/
src
/
multibyte
/
mbrtowc.c
diff --git
a/src/multibyte/mbrtowc.c
b/src/multibyte/mbrtowc.c
index
09badeb
..
291537f
100644
(file)
--- a/
src/multibyte/mbrtowc.c
+++ b/
src/multibyte/mbrtowc.c
@@
-15,22
+15,22
@@
size_t mbrtowc(wchar_t *wc, const char *src, size_t n, mbstate_t *st)
{
static unsigned internal_state;
unsigned c;
{
static unsigned internal_state;
unsigned c;
- const unsigned char *s = src;
+ const unsigned char *s =
(const void *)
src;
const unsigned N = n;
if (!st) st = (void *)&internal_state;
c = *(unsigned *)st;
if (!s) {
const unsigned N = n;
if (!st) st = (void *)&internal_state;
c = *(unsigned *)st;
if (!s) {
- s = "";
+ s =
(void *)
"";
wc = (void *)&wc;
n = 1;
} else if (!wc) wc = (void *)&wc;
if (!n) return -2;
if (!c) {
wc = (void *)&wc;
n = 1;
} else if (!wc) wc = (void *)&wc;
if (!n) return -2;
if (!c) {
- if (
(unsigned)
*s < 0x80) return !!(*wc = *s);
- if (
(unsigned)
*s-SA > SB-SA) goto ilseq;
+ if (*s < 0x80) return !!(*wc = *s);
+ if (*s-SA > SB-SA) goto ilseq;
c = bittab[*s++-SA]; n--;
}
c = bittab[*s++-SA]; n--;
}
@@
-44,7
+44,7
@@
loop:
return N-n;
}
if (n) {
return N-n;
}
if (n) {
- if (
(unsigned)*s-0x80
>= 0x40) goto ilseq;
+ if (
*s-0x80u
>= 0x40) goto ilseq;
goto loop;
}
}
goto loop;
}
}