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stdio/FreeBSD/vfscanf.c.patch Libc-594.9.4 /dev/null
--- Libc/Libc-594.9.4/stdio/FreeBSD/vfscanf.c.patch
+++ /dev/null
@@ -1,628 +0,0 @@
---- vfscanf.c.orig	2009-02-15 03:11:22.000000000 -0800
-+++ vfscanf.c	2009-02-16 00:22:06.000000000 -0800
-@@ -40,6 +40,8 @@ static char sccsid[] = "@(#)vfscanf.c	8.
- #include <sys/cdefs.h>
- __FBSDID("$FreeBSD: src/lib/libc/stdio/vfscanf.c,v 1.37 2004/05/02 10:55:05 das Exp $");
- 
-+#include "xlocale_private.h"
-+
- #include "namespace.h"
- #include <ctype.h>
- #include <inttypes.h>
-@@ -50,6 +52,7 @@ __FBSDID("$FreeBSD: src/lib/libc/stdio/v
- #include <string.h>
- #include <wchar.h>
- #include <wctype.h>
-+#include <pthread.h>
- #include "un-namespace.h"
- 
- #include "collate.h"
-@@ -97,10 +100,21 @@ __FBSDID("$FreeBSD: src/lib/libc/stdio/v
- #define	CT_INT		3	/* %[dioupxX] conversion */
- #define	CT_FLOAT	4	/* %[efgEFG] conversion */
- 
--static const u_char *__sccl(char *, const u_char *);
--static int parsefloat(FILE *, char *, char *);
-+static const u_char *__sccl(char *, const u_char *, locale_t);
-+#ifndef NO_FLOATING_POINT
-+static int parsefloat(FILE *, char **, size_t, locale_t);
-+#endif /* !NO_FLOATING_POINT */
- 
-+/*
-+ * For ppc, we need to have the 64-bit long double version defining storage for
-+ * __scanfdebug, to be compatible with 10.3.  For ppc64 and i386, we want the
-+ * storage defined in the only version.
-+ */
-+#if defined(__ppc__) && !defined(BUILDING_VARIANT)
-+extern int __scanfdebug;
-+#else /* !__ppc__ || BUILDING_VARIANT */
- int __scanfdebug = 0;
-+#endif /* __ppc__ && !BUILDING_VARIANT */
- 
- __weak_reference(__vfscanf, vfscanf);
- 
-@@ -108,12 +122,24 @@ __weak_reference(__vfscanf, vfscanf);
-  * __vfscanf - MT-safe version
-  */
- int
--__vfscanf(FILE *fp, char const *fmt0, va_list ap)
-+__vfscanf(FILE * __restrict fp, char const * __restrict fmt0, va_list ap)
- {
- 	int ret;
- 
- 	FLOCKFILE(fp);
--	ret = __svfscanf(fp, fmt0, ap);
-+	ret = __svfscanf_l(fp, __current_locale(), fmt0, ap);
-+	FUNLOCKFILE(fp);
-+	return (ret);
-+}
-+
-+int
-+vfscanf_l(FILE * __restrict fp, locale_t loc, char const * __restrict fmt0, va_list ap)
-+{
-+	int ret;
-+
-+	NORMALIZE_LOCALE(loc);
-+	FLOCKFILE(fp);
-+	ret = __svfscanf_l(fp, loc, fmt0, ap);
- 	FUNLOCKFILE(fp);
- 	return (ret);
- }
-@@ -121,8 +147,8 @@ __vfscanf(FILE *fp, char const *fmt0, va
- /*
-  * __svfscanf - non-MT-safe version of __vfscanf
-  */
--int
--__svfscanf(FILE *fp, const char *fmt0, va_list ap)
-+__private_extern__ int
-+__svfscanf_l(FILE * __restrict fp, locale_t loc, const char * __restrict fmt0, va_list ap)
- {
- 	const u_char *fmt = (const u_char *)fmt0;
- 	int c;			/* character from format, or conversion */
-@@ -132,7 +158,6 @@ __svfscanf(FILE *fp, const char *fmt0, v
- 	int flags;		/* flags as defined above */
- 	char *p0;		/* saves original value of p when necessary */
- 	int nassigned;		/* number of fields assigned */
--	int nconversions;	/* number of conversions */
- 	int nread;		/* number of characters consumed from fp */
- 	int base;		/* base argument to conversion function */
- 	char ccltab[256];	/* character class table for %[...] */
-@@ -140,29 +165,37 @@ __svfscanf(FILE *fp, const char *fmt0, v
- 	wchar_t *wcp;		/* handy wide character pointer */
- 	wchar_t *wcp0;		/* saves original value of wcp */
- 	size_t nconv;		/* length of multibyte sequence converted */
-+	int index;		/* %index$, zero if unset */
-+	va_list ap_orig;	/* to reset ap to first argument */
- 	static const mbstate_t initial;
- 	mbstate_t mbs;
-+	int mb_cur_max;
- 
- 	/* `basefix' is used to avoid `if' tests in the integer scanner */
- 	static short basefix[17] =
- 		{ 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
- 
-+	NORMALIZE_LOCALE(loc);
-+	mb_cur_max = MB_CUR_MAX_L(loc);
- 	ORIENT(fp, -1);
- 
- 	nassigned = 0;
--	nconversions = 0;
- 	nread = 0;
-+	va_copy(ap_orig, ap);
- 	for (;;) {
- 		c = *fmt++;
- 		if (c == 0)
- 			return (nassigned);
--		if (isspace(c)) {
--			while ((fp->_r > 0 || __srefill(fp) == 0) && isspace(*fp->_p))
-+		if (isspace_l(c, loc)) {
-+			while ((fp->_r > 0 || __srefill(fp) == 0) && isspace_l(*fp->_p, loc))
- 				nread++, fp->_r--, fp->_p++;
- 			continue;
- 		}
--		if (c != '%')
-+		if (c != '%') {
-+			if (fp->_r <= 0 && __srefill(fp))
-+				goto input_failure;
- 			goto literal;
-+		}
- 		width = 0;
- 		flags = 0;
- 		/*
-@@ -172,15 +205,35 @@ __svfscanf(FILE *fp, const char *fmt0, v
- again:		c = *fmt++;
- 		switch (c) {
- 		case '%':
-+			/* Consume leading white space */
-+			for(;;) {
-+				if (fp->_r <= 0 && __srefill(fp))
-+					goto input_failure;
-+				if (!isspace_l(*fp->_p, loc))
-+					break;
-+				nread++;
-+				fp->_r--;
-+				fp->_p++;
-+			}
- literal:
--			if (fp->_r <= 0 && __srefill(fp))
--				goto input_failure;
- 			if (*fp->_p != c)
- 				goto match_failure;
- 			fp->_r--, fp->_p++;
- 			nread++;
- 			continue;
- 
-+		case '$':
-+			index = width;
-+			if (index < 1 || index > NL_ARGMAX || fmt[-3] != '%') {
-+				goto input_failure;
-+			}
-+			width = 0;
-+			va_end(ap);
-+			va_copy(ap, ap_orig); /* reset to %1$ */
-+			for (; index > 1; index--) {
-+				va_arg(ap, void*);
-+			}
-+			goto again;
- 		case '*':
- 			flags |= SUPPRESS;
- 			goto again;
-@@ -267,7 +320,7 @@ literal:
- 			break;
- 
- 		case '[':
--			fmt = __sccl(ccltab, fmt);
-+			fmt = __sccl(ccltab, fmt, loc);
- 			flags |= NOSKIP;
- 			c = CT_CCL;
- 			break;
-@@ -288,7 +341,6 @@ literal:
- 			break;
- 
- 		case 'n':
--			nconversions++;
- 			if (flags & SUPPRESS)	/* ??? */
- 				continue;
- 			if (flags & SHORTSHORT)
-@@ -330,7 +382,7 @@ literal:
- 		 * that suppress this.
- 		 */
- 		if ((flags & NOSKIP) == 0) {
--			while (isspace(*fp->_p)) {
-+			while (isspace_l(*fp->_p, loc)) {
- 				nread++;
- 				if (--fp->_r > 0)
- 					fp->_p++;
-@@ -360,7 +412,7 @@ literal:
- 					wcp = NULL;
- 				n = 0;
- 				while (width != 0) {
--					if (n == MB_CUR_MAX) {
-+					if (n == mb_cur_max) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
- 					}
-@@ -368,7 +420,7 @@ literal:
- 					fp->_p++;
- 					fp->_r--;
- 					mbs = initial;
--					nconv = mbrtowc(wcp, buf, n, &mbs);
-+					nconv = mbrtowc_l(wcp, buf, n, &mbs, loc);
- 					if (nconv == (size_t)-1) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
-@@ -421,7 +473,6 @@ literal:
- 				nread += r;
- 				nassigned++;
- 			}
--			nconversions++;
- 			break;
- 
- 		case CT_CCL:
-@@ -440,7 +491,7 @@ literal:
- 				n = 0;
- 				nchars = 0;
- 				while (width != 0) {
--					if (n == MB_CUR_MAX) {
-+					if (n == mb_cur_max) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
- 					}
-@@ -448,7 +499,7 @@ literal:
- 					fp->_p++;
- 					fp->_r--;
- 					mbs = initial;
--					nconv = mbrtowc(wcp, buf, n, &mbs);
-+					nconv = mbrtowc_l(wcp, buf, n, &mbs, loc);
- 					if (nconv == (size_t)-1) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
-@@ -456,8 +507,8 @@ literal:
- 					if (nconv == 0)
- 						*wcp = L'\0';
- 					if (nconv != (size_t)-2) {
--						if (wctob(*wcp) != EOF &&
--						    !ccltab[wctob(*wcp)]) {
-+						if (wctob_l(*wcp, loc) != EOF &&
-+						    !ccltab[wctob_l(*wcp, loc)]) {
- 							while (n != 0) {
- 								n--;
- 								__ungetc(buf[n],
-@@ -525,7 +576,6 @@ literal:
- 				nassigned++;
- 			}
- 			nread += n;
--			nconversions++;
- 			break;
- 
- 		case CT_STRING:
-@@ -540,8 +590,8 @@ literal:
- 				else
- 					wcp = &twc;
- 				n = 0;
--				while (!isspace(*fp->_p) && width != 0) {
--					if (n == MB_CUR_MAX) {
-+				while (width != 0) {
-+					if (n == mb_cur_max) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
- 					}
-@@ -549,7 +599,7 @@ literal:
- 					fp->_p++;
- 					fp->_r--;
- 					mbs = initial;
--					nconv = mbrtowc(wcp, buf, n, &mbs);
-+					nconv = mbrtowc_l(wcp, buf, n, &mbs, loc);
- 					if (nconv == (size_t)-1) {
- 						fp->_flags |= __SERR;
- 						goto input_failure;
-@@ -557,7 +607,7 @@ literal:
- 					if (nconv == 0)
- 						*wcp = L'\0';
- 					if (nconv != (size_t)-2) {
--						if (iswspace(*wcp)) {
-+						if (iswspace_l(*wcp, loc)) {
- 							while (n != 0) {
- 								n--;
- 								__ungetc(buf[n],
-@@ -585,7 +635,7 @@ literal:
- 				}
- 			} else if (flags & SUPPRESS) {
- 				n = 0;
--				while (!isspace(*fp->_p)) {
-+				while (!isspace_l(*fp->_p, loc)) {
- 					n++, fp->_r--, fp->_p++;
- 					if (--width == 0)
- 						break;
-@@ -595,7 +645,7 @@ literal:
- 				nread += n;
- 			} else {
- 				p0 = p = va_arg(ap, char *);
--				while (!isspace(*fp->_p)) {
-+				while (!isspace_l(*fp->_p, loc)) {
- 					fp->_r--;
- 					*p++ = *fp->_p++;
- 					if (--width == 0)
-@@ -607,7 +657,6 @@ literal:
- 				nread += p - p0;
- 				nassigned++;
- 			}
--			nconversions++;
- 			continue;
- 
- 		case CT_INT:
-@@ -738,9 +787,9 @@ literal:
- 
- 				*p = 0;
- 				if ((flags & UNSIGNED) == 0)
--				    res = strtoimax(buf, (char **)NULL, base);
-+				    res = strtoimax_l(buf, (char **)NULL, base, loc);
- 				else
--				    res = strtoumax(buf, (char **)NULL, base);
-+				    res = strtoumax_l(buf, (char **)NULL, base, loc);
- 				if (flags & POINTER)
- 					*va_arg(ap, void **) =
- 							(void *)(uintptr_t)res;
-@@ -763,43 +812,48 @@ literal:
- 				nassigned++;
- 			}
- 			nread += p - buf;
--			nconversions++;
- 			break;
- 
- #ifndef NO_FLOATING_POINT
- 		case CT_FLOAT:
-+		{
-+			char *pbuf;
- 			/* scan a floating point number as if by strtod */
--			if (width == 0 || width > sizeof(buf) - 1)
--				width = sizeof(buf) - 1;
--			if ((width = parsefloat(fp, buf, buf + width)) == 0)
-+			if ((width = parsefloat(fp, &pbuf, width, loc)) == 0)
- 				goto match_failure;
- 			if ((flags & SUPPRESS) == 0) {
- 				if (flags & LONGDBL) {
--					long double res = strtold(buf, &p);
-+					long double res = strtold_l(pbuf, &p, loc);
- 					*va_arg(ap, long double *) = res;
- 				} else if (flags & LONG) {
--					double res = strtod(buf, &p);
-+					double res = strtod_l(pbuf, &p, loc);
- 					*va_arg(ap, double *) = res;
- 				} else {
--					float res = strtof(buf, &p);
-+					float res = strtof_l(pbuf, &p, loc);
- 					*va_arg(ap, float *) = res;
- 				}
--				if (__scanfdebug && p - buf != width)
--					abort();
-+				if (__scanfdebug && p - pbuf != width)
-+					LIBC_ABORT("p - pbuf %ld != width %ld", (long)(p - pbuf), width);
- 				nassigned++;
- 			}
- 			nread += width;
--			nconversions++;
- 			break;
-+		}
- #endif /* !NO_FLOATING_POINT */
- 		}
- 	}
- input_failure:
--	return (nconversions != 0 ? nassigned : EOF);
-+	return (nassigned ? nassigned : EOF);
- match_failure:
- 	return (nassigned);
- }
- 
-+int
-+__svfscanf(FILE * __restrict fp, const char * __restrict fmt0, va_list ap)
-+{
-+	return __svfscanf_l(fp, __current_locale(), fmt0, ap);
-+}
-+
- /*
-  * Fill in the given table from the scanset at the given format
-  * (just after `[').  Return a pointer to the character past the
-@@ -807,9 +861,10 @@ match_failure:
-  * considered part of the scanset.
-  */
- static const u_char *
--__sccl(tab, fmt)
-+__sccl(tab, fmt, loc)
- 	char *tab;
- 	const u_char *fmt;
-+	locale_t loc;
- {
- 	int c, n, v, i;
- 
-@@ -845,6 +900,7 @@ doswitch:
- 			return (fmt - 1);
- 
- 		case '-':
-+		{
- 			/*
- 			 * A scanset of the form
- 			 *	[01+-]
-@@ -865,8 +921,8 @@ doswitch:
- 			 */
- 			n = *fmt;
- 			if (n == ']'
--			    || (__collate_load_error ? n < c :
--				__collate_range_cmp (n, c) < 0
-+			    || (loc->__collate_load_error ? n < c :
-+				__collate_range_cmp (n, c, loc) < 0
- 			       )
- 			   ) {
- 				c = '-';
-@@ -874,14 +930,14 @@ doswitch:
- 			}
- 			fmt++;
- 			/* fill in the range */
--			if (__collate_load_error) {
-+			if (loc->__collate_load_error) {
- 				do {
- 					tab[++c] = v;
- 				} while (c < n);
- 			} else {
- 				for (i = 0; i < 256; i ++)
--					if (   __collate_range_cmp (c, i) < 0
--					    && __collate_range_cmp (i, n) <= 0
-+					if (   __collate_range_cmp (c, i, loc) < 0
-+					    && __collate_range_cmp (i, n, loc) <= 0
- 					   )
- 						tab[i] = v;
- 			}
-@@ -901,7 +957,7 @@ doswitch:
- 				return (fmt);
- #endif
- 			break;
--
-+		}
- 		case ']':		/* end of scanset */
- 			return (fmt);
- 
-@@ -914,19 +970,75 @@ doswitch:
- }
- 
- #ifndef NO_FLOATING_POINT
-+/*
-+ * Maintain a per-thread parsefloat buffer, shared by __svfscanf_l and
-+ * __vfwscanf.
-+ */
-+#ifdef BUILDING_VARIANT
-+extern char *__parsefloat_buf(size_t s);
-+#else /* !BUILDING_VARIANT */
-+__private_extern__ char *
-+__parsefloat_buf(size_t s)
-+{
-+	char *b;
-+	static pthread_key_t    parsefloat_tsd_key = (pthread_key_t)-1;
-+	static pthread_mutex_t  parsefloat_tsd_lock = PTHREAD_MUTEX_INITIALIZER;
-+	static size_t bsiz = 0;
-+
-+	if (parsefloat_tsd_key == (pthread_key_t)-1) {
-+		pthread_mutex_lock(&parsefloat_tsd_lock);
-+		if (parsefloat_tsd_key == (pthread_key_t)-1) {
-+			parsefloat_tsd_key = __LIBC_PTHREAD_KEY_PARSEFLOAT;
-+			pthread_key_init_np(parsefloat_tsd_key, free);
-+		}
-+		pthread_mutex_unlock(&parsefloat_tsd_lock);
-+	}
-+	if ((b = (char *)pthread_getspecific(parsefloat_tsd_key)) == NULL) {
-+		bsiz = s > BUF ? s : BUF;
-+		b = (char *)malloc(bsiz);
-+		if (b == NULL) {
-+			bsiz = 0;
-+			return NULL;
-+		}
-+		pthread_setspecific(parsefloat_tsd_key, b);
-+		return b;
-+	}
-+	if (s > bsiz) {
-+		b = (char *)reallocf(b, s);
-+		pthread_setspecific(parsefloat_tsd_key, b);
-+		if (b == NULL) {
-+			bsiz = 0;
-+			return NULL;
-+		}
-+		bsiz = s;
-+	}
-+	return b;
-+}
-+#endif /* BUILDING_VARIANT */
-+
- static int
--parsefloat(FILE *fp, char *buf, char *end)
-+parsefloat(FILE *fp, char **buf, size_t width, locale_t loc)
- {
- 	char *commit, *p;
- 	int infnanpos = 0;
- 	enum {
- 		S_START, S_GOTSIGN, S_INF, S_NAN, S_MAYBEHEX,
--		S_DIGITS, S_FRAC, S_EXP, S_EXPDIGITS
-+		S_DIGITS, S_FRAC, S_EXP, S_EXPDIGITS, S_DECIMAL_POINT
- 	} state = S_START;
- 	unsigned char c;
--	char decpt = *localeconv()->decimal_point;
-+	unsigned char *decpt = (unsigned char *)localeconv_l(loc)->decimal_point;
-+	char *decpt_start;
- 	_Bool gotmantdig = 0, ishex = 0;
--
-+	char *b;
-+	char *e;
-+	size_t s;
-+
-+	s = (width == 0 ? BUF : (width + 1));
-+	if ((b = __parsefloat_buf(s)) == NULL) {
-+		*buf = NULL;
-+		return 0;
-+	}
-+	e = b + (s - 1);
- 	/*
- 	 * We set commit = p whenever the string we have read so far
- 	 * constitutes a valid representation of a floating point
-@@ -936,8 +1048,8 @@ parsefloat(FILE *fp, char *buf, char *en
- 	 * always necessary to read at least one character that doesn't
- 	 * match; thus, we can't short-circuit "infinity" or "nan(...)".
- 	 */
--	commit = buf - 1;
--	for (p = buf; p < end; ) {
-+	commit = b - 1;
-+	for (p = b; width == 0 || p < e; ) {
- 		c = *fp->_p;
- reswitch:
- 		switch (state) {
-@@ -997,7 +1109,7 @@ reswitch:
- 				if (c == ')') {
- 					commit = p;
- 					infnanpos = -2;
--				} else if (!isalnum(c) && c != '_')
-+				} else if (!isalnum_l(c, loc) && c != '_')
- 					goto parsedone;
- 				break;
- 			}
-@@ -1013,16 +1125,33 @@ reswitch:
- 				goto reswitch;
- 			}
- 		case S_DIGITS:
--			if ((ishex && isxdigit(c)) || isdigit(c))
-+			if ((ishex && isxdigit_l(c, loc)) || isdigit_l(c, loc))
- 				gotmantdig = 1;
- 			else {
--				state = S_FRAC;
--				if (c != decpt)
--					goto reswitch;
-+				state = S_DECIMAL_POINT;
-+				decpt_start = p;
-+				goto reswitch;
- 			}
- 			if (gotmantdig)
- 				commit = p;
- 			break;
-+		case S_DECIMAL_POINT:
-+			if (*decpt == 0) {
-+				if (gotmantdig)
-+					commit = p - 1;
-+				state = S_FRAC;
-+				goto reswitch;
-+			}
-+			if (*decpt++ == c)
-+				break;
-+			/* not decimal point */
-+			state = S_FRAC;
-+			if (decpt_start == p)
-+				goto reswitch;
-+			while (decpt_start < --p)
-+				__ungetc(*(u_char *)p, fp);
-+			c = *(u_char *)p;
-+			goto reswitch;
- 		case S_FRAC:
- 			if (((c == 'E' || c == 'e') && !ishex) ||
- 			    ((c == 'P' || c == 'p') && ishex)) {
-@@ -1030,7 +1159,7 @@ reswitch:
- 					goto parsedone;
- 				else
- 					state = S_EXP;
--			} else if ((ishex && isxdigit(c)) || isdigit(c)) {
-+			} else if ((ishex && isxdigit_l(c, loc)) || isdigit_l(c, loc)) {
- 				commit = p;
- 				gotmantdig = 1;
- 			} else
-@@ -1043,13 +1172,26 @@ reswitch:
- 			else
- 				goto reswitch;
- 		case S_EXPDIGITS:
--			if (isdigit(c))
-+			if (isdigit_l(c, loc))
- 				commit = p;
- 			else
- 				goto parsedone;
- 			break;
- 		default:
--			abort();
-+			LIBC_ABORT("unknown state %d", state);
-+		}
-+		if (p >= e) {
-+			ssize_t diff = (p - b);
-+			ssize_t com = (commit - b);
-+			s += BUF;
-+			b = __parsefloat_buf(s);
-+			if (b == NULL) {
-+				*buf = NULL;
-+				return 0;
-+			}
-+			e = b + (s - 1);
-+			p = b + diff;
-+			commit = b + com;
- 		}
- 		*p++ = c;
- 		if (--fp->_r > 0)
-@@ -1062,6 +1204,7 @@ parsedone:
- 	while (commit < --p)
- 		__ungetc(*(u_char *)p, fp);
- 	*++commit = '\0';
--	return (commit - buf);
-+	*buf = b;
-+	return (commit - b);
- }
- #endif