size_t mbsrtowcs(wchar_t *ws, const char **src, size_t wn, mbstate_t *st)
{
unsigned c;
- const unsigned char *s = *src;
+ const unsigned char *s = (const void *)*src;
const wchar_t *wsorig = ws;
if (!st) st = (void *)&c, c = 0;
}
if (!ws) for (wn=0;;) {
- if ((unsigned)*s-SA >= SB-SA) {
- while (((unsigned)s&3) && (unsigned)*s-1<0x7f) s++, wn++;
+ if (*s-SA >= SB-SA) {
+ while (((uintptr_t)s&3) && *s-1u<0x7f) s++, wn++;
while (!(( *(uint32_t*)s | *(uint32_t*)s-0x01010101) & 0x80808080)) s+=4, wn+=4;
- while ((unsigned)*s-1<0x7f) s++, wn++;
+ while (*s-1u<0x7f) s++, wn++;
if (!*s) return wn;
- if ((unsigned)*s-SA >= SB-SA) goto ilseq2;
+ if (*s-SA >= SB-SA) goto ilseq2;
}
c = bittab[*s++-SA];
do {
resume0:
if (OOB(c,*s)) goto ilseq2; s++;
c <<= 6; if (!(c&(1U<<31))) break;
-#ifdef I_FAILED_TO_RTFM_RFC3629
- if ((unsigned)*s++-0x80 >= 0x40) goto ilseq2;
+ if (*s++-0x80u >= 0x40) goto ilseq2;
c <<= 6; if (!(c&(1U<<31))) break;
- if ((unsigned)*s++-0x80 >= 0x40) goto ilseq2;
- c <<= 6; if (!(c&(1U<<31))) break;
-#endif
- if ((unsigned)*s++-0x80 >= 0x40) goto ilseq2;
- c <<= 6; if (!(c&(1U<<31))) break;
- if ((unsigned)*s++-0x80 >= 0x40) goto ilseq2;
+ if (*s++-0x80u >= 0x40) goto ilseq2;
} while (0);
wn++; c = 0;
}
while (wn) {
- if ((unsigned)*s-SA >= SB-SA) {
+ if (*s-SA >= SB-SA) {
if (wn >= 7) {
- while (((unsigned)s&3) && (unsigned)*s-1<0x7f) {
+ while (((uintptr_t)s&3) && *s-1u<0x7f) {
*ws++ = *s++;
wn--;
}
wn -= 4;
}
}
- while (wn && (unsigned)*s-1<0x7f) {
+ while (wn && *s-1u<0x7f) {
*ws++ = *s++;
wn--;
}
*src = 0;
return ws-wsorig;
}
- if ((unsigned)*s-SA >= SB-SA) goto ilseq;
+ if (*s-SA >= SB-SA) goto ilseq;
}
c = bittab[*s++-SA];
do {
c = (c<<6) | *s++-0x80;
if (!(c&(1U<<31))) break;
-#ifdef I_FAILED_TO_RTFM_RFC3629
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
- c = (c<<6) | *s++-0x80;
- if (!(c&(1U<<31))) break;
-
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
- c = (c<<6) | *s++-0x80;
- if (!(c&(1U<<31))) break;
-#endif
-
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
+ if (*s-0x80u >= 0x40) goto ilseq;
c = (c<<6) | *s++-0x80;
if (!(c&(1U<<31))) break;
- if ((unsigned)*s-0x80 >= 0x40) goto ilseq;
+ if (*s-0x80u >= 0x40) goto ilseq;
c = (c<<6) | *s++-0x80;
} while (0);
*ws++ = c; wn--; c = 0;
}
- *src = s;
+ *src = (const void *)s;
return ws-wsorig;
ilseq:
- *src = s;
+ *src = (const void *)s;
ilseq2:
/* enter permanently failing state */
*(unsigned *)st = FAILSTATE;