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--- Libc/Libc-763.13/stdio/FreeBSD/vfwscanf.c.patch
+++ Libc/Libc-498/stdio/FreeBSD/vfwscanf.c.patch
@@ -1,35 +1,35 @@
-Index: vfwscanf.c
-===================================================================
---- vfwscanf.c (revision 55443)
-+++ vfwscanf.c (working copy)
-@@ -38,6 +38,8 @@
+--- vfwscanf.c.orig 2004-11-25 11:38:36.000000000 -0800
++++ vfwscanf.c 2005-05-20 00:24:42.000000000 -0700
+@@ -42,6 +42,8 @@
#include <sys/cdefs.h>
- __FBSDID("$FreeBSD: src/lib/libc/stdio/vfwscanf.c,v 1.17 2009/01/19 06:19:51 das Exp $");
+ __FBSDID("$FreeBSD: src/lib/libc/stdio/vfwscanf.c,v 1.12 2004/05/02 20:13:29 obrien Exp $");
+#include "xlocale_private.h"
+
#include "namespace.h"
#include <ctype.h>
#include <inttypes.h>
-@@ -96,7 +98,7 @@
+@@ -98,7 +100,9 @@
+ #define CT_INT 3 /* %[dioupxX] conversion */
#define CT_FLOAT 4 /* %[efgEFG] conversion */
- #ifndef NO_FLOATING_POINT
-static int parsefloat(FILE *, wchar_t *, wchar_t *);
++#ifndef NO_FLOATING_POINT
+static int parsefloat(FILE *, wchar_t **, size_t, locale_t loc);
- #endif
-
- #define INCCL(_c) \
-@@ -115,16 +117,31 @@
++#endif /* !NO_FLOATING_POINT */
+
+ extern int __scanfdebug;
+
+@@ -116,7 +120,21 @@
FLOCKFILE(fp);
ORIENT(fp, 1);
- ret = __vfwscanf(fp, fmt, ap);
+ ret = __vfwscanf(fp, __current_locale(), fmt, ap);
- FUNLOCKFILE(fp);
- return (ret);
- }
-
++ FUNLOCKFILE(fp);
++ return (ret);
++}
++
+int
+vfwscanf_l(FILE * __restrict fp, locale_t loc, const wchar_t * __restrict fmt,
+ va_list ap)
@@ -40,10 +40,10 @@
+ FLOCKFILE(fp);
+ ORIENT(fp, 1);
+ ret = __vfwscanf(fp, loc, fmt, ap);
-+ FUNLOCKFILE(fp);
-+ return (ret);
-+}
-+
+ FUNLOCKFILE(fp);
+ return (ret);
+ }
+@@ -124,8 +142,9 @@
/*
* Non-MT-safe version.
*/
@@ -55,7 +55,7 @@
{
wint_t c; /* character from format, or conversion */
size_t width; /* field width, or 0 */
-@@ -133,7 +150,6 @@
+@@ -134,7 +153,6 @@
int flags; /* flags as defined above */
wchar_t *p0; /* saves original value of p when necessary */
int nassigned; /* number of fields assigned */
@@ -63,12 +63,13 @@
int nread; /* number of characters consumed from fp */
int base; /* base argument to conversion function */
wchar_t buf[BUF]; /* buffer for numeric conversions */
-@@ -144,30 +160,36 @@
+@@ -145,27 +163,30 @@
char *mbp; /* multibyte string pointer for %c %s %[ */
size_t nconv; /* number of bytes in mb. conversion */
char mbbuf[MB_LEN_MAX]; /* temporary mb. character buffer */
+ int index; /* for %index$ */
+ va_list ap_orig; /* to reset ap to first argument */
+ static const mbstate_t initial;
mbstate_t mbs;
+ int mb_cur_max = MB_CUR_MAX_L(loc);
@@ -97,30 +98,14 @@
+ __ungetwc(c, fp, loc);
continue;
}
-- if (c != '%')
-+ if (c != '%') {
-+ if ((wi = __fgetwc(fp, loc)) == WEOF)
-+ goto input_failure;
- goto literal;
-+ }
- width = 0;
- flags = 0;
- /*
-@@ -177,16 +199,34 @@
- again: c = *fmt++;
+ if (c != '%')
+@@ -180,15 +201,27 @@
switch (c) {
case '%':
-+ /* Consume leading white space */
-+ for(;;) {
-+ if ((wi = __fgetwc(fp, loc)) == WEOF)
-+ goto input_failure;
-+ if (!iswspace_l(wi, loc))
-+ break;
-+ nread++;
-+ }
literal:
- if ((wi = __fgetwc(fp)) == WEOF)
-- goto input_failure;
++ if ((wi = __fgetwc(fp, loc)) == WEOF)
+ goto input_failure;
if (wi != c) {
- __ungetwc(wi, fp);
- goto input_failure;
@@ -145,48 +130,15 @@
case '*':
flags |= SUPPRESS;
goto again;
-@@ -305,27 +345,28 @@
+@@ -307,7 +340,6 @@
break;
case 'n':
- nconversions++;
-- if (flags & SUPPRESS) /* ??? */
-+ {
-+ void *ptr = va_arg(ap, void *);
-+ if ((ptr == NULL) || (flags & SUPPRESS)) /* ??? */
+ if (flags & SUPPRESS) /* ??? */
continue;
-- if (flags & SHORTSHORT)
-- *va_arg(ap, char *) = nread;
-+ else if (flags & SHORTSHORT)
-+ *(char *)ptr = nread;
- else if (flags & SHORT)
-- *va_arg(ap, short *) = nread;
-+ *(short *)ptr = nread;
- else if (flags & LONG)
-- *va_arg(ap, long *) = nread;
-+ *(long *)ptr = nread;
- else if (flags & LONGLONG)
-- *va_arg(ap, long long *) = nread;
-+ *(long long *)ptr = nread;
- else if (flags & INTMAXT)
-- *va_arg(ap, intmax_t *) = nread;
-+ *(intmax_t *)ptr = nread;
- else if (flags & SIZET)
-- *va_arg(ap, size_t *) = nread;
-+ *(size_t *)ptr = nread;
- else if (flags & PTRDIFFT)
-- *va_arg(ap, ptrdiff_t *) = nread;
-+ *(ptrdiff_t *)ptr = nread;
- else
-- *va_arg(ap, int *) = nread;
-+ *(int *)ptr = nread;
- continue;
--
-+ }
- default:
- goto match_failure;
-
-@@ -341,11 +382,11 @@
+ if (flags & SHORTSHORT)
+@@ -343,11 +375,11 @@
* that suppress this.
*/
if ((flags & NOSKIP) == 0) {
@@ -200,7 +152,7 @@
}
/*
-@@ -362,7 +403,7 @@
+@@ -364,7 +396,7 @@
p = va_arg(ap, wchar_t *);
n = 0;
while (width-- != 0 &&
@@ -209,9 +161,9 @@
if (!(flags & SUPPRESS))
*p++ = (wchar_t)wi;
n++;
-@@ -378,19 +419,19 @@
+@@ -380,19 +412,19 @@
n = 0;
- mbs = initial_mbs;
+ mbs = initial;
while (width != 0 &&
- (wi = __fgetwc(fp)) != WEOF) {
- if (width >= MB_CUR_MAX &&
@@ -235,7 +187,7 @@
break;
}
if (!(flags & SUPPRESS))
-@@ -408,7 +449,6 @@
+@@ -410,7 +442,6 @@
if (!(flags & SUPPRESS))
nassigned++;
}
@@ -243,7 +195,7 @@
break;
case CT_CCL:
-@@ -418,20 +458,20 @@
+@@ -420,20 +451,20 @@
/* take only those things in the class */
if ((flags & SUPPRESS) && (flags & LONG)) {
n = 0;
@@ -268,10 +220,10 @@
n = p - p0;
if (n == 0)
goto match_failure;
-@@ -442,16 +482,16 @@
+@@ -444,16 +475,16 @@
mbp = va_arg(ap, char *);
n = 0;
- mbs = initial_mbs;
+ mbs = initial;
- while ((wi = __fgetwc(fp)) != WEOF &&
+ while ((wi = __fgetwc(fp, loc)) != WEOF &&
width != 0 && INCCL(wi)) {
@@ -290,7 +242,7 @@
if (nconv == (size_t)-1)
goto input_failure;
if (nconv > width)
-@@ -466,14 +506,15 @@
+@@ -468,14 +499,15 @@
n++;
}
if (wi != WEOF)
@@ -308,7 +260,7 @@
break;
case CT_STRING:
-@@ -481,39 +522,39 @@
+@@ -483,39 +515,39 @@
if (width == 0)
width = (size_t)~0;
if ((flags & SUPPRESS) && (flags & LONG)) {
@@ -339,7 +291,7 @@
} else {
if (!(flags & SUPPRESS))
mbp = va_arg(ap, char *);
- mbs = initial_mbs;
+ mbs = initial;
- while ((wi = __fgetwc(fp)) != WEOF &&
+ while ((wi = __fgetwc(fp, loc)) != WEOF &&
width != 0 &&
@@ -360,7 +312,7 @@
if (nconv == (size_t)-1)
goto input_failure;
if (nconv > width)
-@@ -528,13 +569,12 @@
+@@ -530,13 +562,12 @@
nread++;
}
if (wi != WEOF)
@@ -375,7 +327,7 @@
continue;
case CT_INT:
-@@ -544,7 +584,7 @@
+@@ -546,7 +577,7 @@
width = sizeof(buf) / sizeof(*buf) - 1;
flags |= SIGNOK | NDIGITS | NZDIGITS;
for (p = buf; width; width--) {
@@ -384,7 +336,7 @@
/*
* Switch on the character; `goto ok'
* if we accept it as a part of number.
-@@ -628,7 +668,7 @@
+@@ -630,7 +661,7 @@
* for a number. Stop accumulating digits.
*/
if (c != WEOF)
@@ -393,7 +345,7 @@
break;
ok:
/*
-@@ -644,22 +684,22 @@
+@@ -646,22 +677,22 @@
*/
if (flags & NDIGITS) {
if (p > buf)
@@ -420,7 +372,7 @@
if (flags & POINTER)
*va_arg(ap, void **) =
(void *)(uintptr_t)res;
-@@ -682,45 +722,45 @@
+@@ -684,47 +715,45 @@
nassigned++;
}
nread += p - buf;
@@ -452,6 +404,9 @@
+ float res = wcstof_l(pbuf, &p, loc);
*va_arg(ap, float *) = res;
}
+- if (__scanfdebug && p - buf != width)
++ if (__scanfdebug && p - pbuf != width)
+ abort();
nassigned++;
}
nread += width;
@@ -469,40 +424,49 @@
}
#ifndef NO_FLOATING_POINT
-+extern char *__parsefloat_buf(size_t s); /* see vfscanf-fbsd.c */
-+
static int
-parsefloat(FILE *fp, wchar_t *buf, wchar_t *end)
+parsefloat(FILE *fp, wchar_t **buf, size_t width, locale_t loc)
{
- mbstate_t mbs;
- size_t nconv;
-@@ -733,12 +773,22 @@
+ wchar_t *commit, *p;
+ int infnanpos = 0;
+@@ -733,9 +762,33 @@
+ S_DIGITS, S_FRAC, S_EXP, S_EXPDIGITS
+ } state = S_START;
wchar_t c;
- wchar_t decpt;
+- wchar_t decpt = (wchar_t)(unsigned char)*localeconv()->decimal_point;
++ char *decimal_point;
++ wchar_t decpt;
_Bool gotmantdig = 0, ishex = 0;
-+ wchar_t *b;
+-
++ static wchar_t *b = NULL;
++ static size_t bsiz = 0;
+ wchar_t *e;
+ size_t s;
-
- mbs = initial_mbs;
-- nconv = mbrtowc(&decpt, localeconv()->decimal_point, MB_CUR_MAX, &mbs);
+
-+ nconv = mbrtowc_l(&decpt, localeconv()->decimal_point, MB_CUR_MAX_L(loc), &mbs, loc);
- if (nconv == (size_t)-1 || nconv == (size_t)-2)
-- decpt = '.'; /* failsafe */
-+ decpt = '.'; /* failsafe */
-
-+ s = (width == 0 ? BUF : (width + 1));
-+ if ((b = (wchar_t *)__parsefloat_buf(s * sizeof(wchar_t))) == NULL) {
-+ *buf = NULL;
-+ return 0;
++ if (bsiz == 0) {
++ b = (wchar_t *)malloc(BUF * sizeof(wchar_t));
++ if (b == NULL) {
++ *buf = NULL;
++ return 0;
++ }
++ bsiz = BUF;
++ }
++ s = (width == 0 ? bsiz : (width + 1));
++ if (s > bsiz) {
++ b = (wchar_t *)reallocf(b, s * sizeof(wchar_t));
++ if (b == NULL) {
++ bsiz = 0;
++ *buf = NULL;
++ return 0;
++ }
++ bsiz = s;
+ }
+ e = b + (s - 1);
/*
* We set commit = p whenever the string we have read so far
* constitutes a valid representation of a floating point
-@@ -748,10 +798,10 @@
+@@ -745,10 +798,12 @@
* always necessary to read at least one character that doesn't
* match; thus, we can't short-circuit "infinity" or "nan(...)".
*/
@@ -511,21 +475,23 @@
c = WEOF;
- for (p = buf; p < end; ) {
- if ((c = __fgetwc(fp)) == WEOF)
++ decimal_point = localeconv_l(loc)->decimal_point;
++ mbtowc_l(&decpt, decimal_point, strlen(decimal_point), loc);
+ for (p = b; width == 0 || p < e; ) {
+ if ((c = __fgetwc(fp, loc)) == WEOF)
break;
reswitch:
switch (state) {
-@@ -809,7 +859,7 @@
+@@ -808,7 +863,7 @@
if (c == ')') {
commit = p;
- state = S_DONE;
+ infnanpos = -2;
- } else if (!iswalnum(c) && c != '_')
+ } else if (!iswalnum_l(c, loc) && c != '_')
goto parsedone;
break;
}
-@@ -827,7 +877,7 @@
+@@ -824,7 +879,7 @@
goto reswitch;
}
case S_DIGITS:
@@ -534,7 +500,7 @@
gotmantdig = 1;
else {
state = S_FRAC;
-@@ -844,7 +894,7 @@
+@@ -841,7 +896,7 @@
goto parsedone;
else
state = S_EXP;
@@ -543,7 +509,7 @@
commit = p;
gotmantdig = 1;
} else
-@@ -857,24 +907,38 @@
+@@ -854,7 +909,7 @@
else
goto reswitch;
case S_EXPDIGITS:
@@ -552,20 +518,21 @@
commit = p;
else
goto parsedone;
- break;
+@@ -862,16 +917,32 @@
default:
-- abort();
-+ LIBC_ABORT("unknown state %d", state);
+ abort();
}
+ if (p >= e) {
+ ssize_t diff = (p - b);
+ ssize_t com = (commit - b);
+ s += BUF;
-+ b = (wchar_t *)__parsefloat_buf(s * sizeof(wchar_t));
++ b = (wchar_t *)reallocf(b, s * sizeof(wchar_t));
+ if (b == NULL) {
++ bsiz = 0;
+ *buf = NULL;
+ return 0;
+ }
++ bsiz = s;
+ e = b + (s - 1);
+ p = b + diff;
+ commit = b + com;