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--- Libc/Libc-1725.40.4/stdio/FreeBSD/printf-pos.c
+++ /dev/null
@@ -1,798 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)vfprintf.c 8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/printf-pos.c,v 1.6 2009/03/02 04:07:58 das Exp $");
-
-/*
- * This is the code responsible for handling positional arguments
- * (%m$ and %m$.n$) for vfprintf() and vfwprintf().
- */
-
-#include "namespace.h"
-#include <sys/types.h>
-
-#include <stdarg.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wchar.h>
-
-#include "un-namespace.h"
-#include "printflocal.h"
-
-/*
- * Type ids for argument type table.
- */
-enum typeid {
- T_UNUSED, TP_SHORT, T_INT, T_U_INT, TP_INT,
- T_LONG, T_U_LONG, TP_LONG, T_LLONG, T_U_LLONG, TP_LLONG,
- T_PTRDIFFT, TP_PTRDIFFT, T_SSIZET, T_SIZET, TP_SSIZET,
- T_INTMAXT, T_UINTMAXT, TP_INTMAXT, TP_VOID, TP_CHAR, TP_SCHAR,
- T_DOUBLE, T_LONG_DOUBLE, T_WINT, TP_WCHAR,
-#ifdef VECTORS
- T_VECTOR,
-#endif
-};
-
-/* An expandable array of types. */
-struct typetable {
- enum typeid *table; /* table of types */
- enum typeid stattable[STATIC_ARG_TBL_SIZE];
- int tablesize; /* current size of type table */
- int tablemax; /* largest used index in table */
- int nextarg; /* 1-based argument index */
-};
-
-static int __grow_type_table(struct typetable *);
-static void build_arg_table (struct typetable *, va_list, union arg **);
-
-/*
- * Initialize a struct typetable.
- */
-static inline void
-inittypes(struct typetable *types)
-{
- int n;
-
- types->table = types->stattable;
- types->tablesize = STATIC_ARG_TBL_SIZE;
- types->tablemax = 0;
- types->nextarg = 1;
- for (n = 0; n < STATIC_ARG_TBL_SIZE; n++)
- types->table[n] = T_UNUSED;
-}
-
-/*
- * struct typetable destructor.
- */
-static inline void
-freetypes(struct typetable *types)
-{
-
- if (types->table != types->stattable)
- free (types->table);
-}
-
-/*
- * Ensure that there is space to add a new argument type to the type table.
- * Expand the table if necessary. Returns 0 on success.
- */
-static inline int
-_ensurespace(struct typetable *types)
-{
-
- if (types->nextarg >= types->tablesize) {
- if (__grow_type_table(types))
- return (-1);
- }
- if (types->nextarg > types->tablemax)
- types->tablemax = types->nextarg;
- return (0);
-}
-
-/*
- * Add an argument type to the table, expanding if necessary.
- * Returns 0 on success.
- */
-static inline int
-addtype(struct typetable *types, enum typeid type)
-{
-
- if (_ensurespace(types))
- return (-1);
- types->table[types->nextarg++] = type;
- return (0);
-}
-
-static inline int
-addsarg(struct typetable *types, int flags)
-{
-
- if (_ensurespace(types))
- return (-1);
- if (flags & INTMAXT)
- types->table[types->nextarg++] = T_INTMAXT;
- else if (flags & SIZET)
- types->table[types->nextarg++] = T_SSIZET;
- else if (flags & PTRDIFFT)
- types->table[types->nextarg++] = T_PTRDIFFT;
- else if (flags & LLONGINT)
- types->table[types->nextarg++] = T_LLONG;
- else if (flags & LONGINT)
- types->table[types->nextarg++] = T_LONG;
- else
- types->table[types->nextarg++] = T_INT;
- return (0);
-}
-
-static inline int
-adduarg(struct typetable *types, int flags)
-{
-
- if (_ensurespace(types))
- return (-1);
- if (flags & INTMAXT)
- types->table[types->nextarg++] = T_UINTMAXT;
- else if (flags & SIZET)
- types->table[types->nextarg++] = T_SIZET;
- else if (flags & PTRDIFFT)
- types->table[types->nextarg++] = T_SIZET;
- else if (flags & LLONGINT)
- types->table[types->nextarg++] = T_U_LLONG;
- else if (flags & LONGINT)
- types->table[types->nextarg++] = T_U_LONG;
- else
- types->table[types->nextarg++] = T_U_INT;
- return (0);
-}
-
-/*
- * Add * arguments to the type array.
- */
-static inline int
-addaster(struct typetable *types, char **fmtp)
-{
- char *cp;
- int n2;
-
- n2 = 0;
- cp = *fmtp;
- while (is_digit(*cp)) {
- n2 = 10 * n2 + to_digit(*cp);
- cp++;
- }
- if (*cp == '$') {
- int hold = types->nextarg;
- types->nextarg = n2;
- if (addtype(types, T_INT))
- return (-1);
- types->nextarg = hold;
- *fmtp = ++cp;
- } else {
- if (addtype(types, T_INT))
- return (-1);
- }
- return (0);
-}
-
-static inline int
-addwaster(struct typetable *types, wchar_t **fmtp)
-{
- wchar_t *cp;
- int n2;
-
- n2 = 0;
- cp = *fmtp;
- while (is_digit(*cp)) {
- n2 = 10 * n2 + to_digit(*cp);
- cp++;
- }
- if (*cp == '$') {
- int hold = types->nextarg;
- types->nextarg = n2;
- if (addtype(types, T_INT))
- return (-1);
- types->nextarg = hold;
- *fmtp = ++cp;
- } else {
- if (addtype(types, T_INT))
- return (-1);
- }
- return (0);
-}
-
-/*
- * Find all arguments when a positional parameter is encountered. Returns a
- * table, indexed by argument number, of pointers to each arguments. The
- * initial argument table should be an array of STATIC_ARG_TBL_SIZE entries.
- * It will be replaces with a malloc-ed one if it overflows.
- * Returns 0 on success. On failure, returns nonzero and sets errno.
- */
-__private_extern__ int
-__find_arguments (const char *fmt0, va_list ap, union arg **argtable)
-{
- char *fmt; /* format string */
- int ch; /* character from fmt */
- int n; /* handy integer (short term usage) */
- int error;
- int flags; /* flags as above */
- int width; /* width from format (%8d), or 0 */
- struct typetable types; /* table of types */
-
- fmt = (char *)fmt0;
- inittypes(&types);
- error = 0;
-
- /*
- * Scan the format for conversions (`%' character).
- */
- for (;;) {
- while ((ch = *fmt) != '\0' && ch != '%')
- fmt++;
- if (ch == '\0')
- goto done;
- fmt++; /* skip over '%' */
-
- flags = 0;
- width = 0;
-
-rflag: ch = *fmt++;
-reswitch: switch (ch) {
- case ' ':
- case '#':
- goto rflag;
- case '*':
- if ((error = addaster(&types, &fmt)))
- goto error;
- goto rflag;
- case '-':
- case '+':
- case '\'':
- goto rflag;
- case '.':
- if ((ch = *fmt++) == '*') {
- if ((error = addaster(&types, &fmt)))
- goto error;
- goto rflag;
- }
- while (is_digit(ch)) {
- ch = *fmt++;
- }
- goto reswitch;
- case '0':
- goto rflag;
- case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- n = 0;
- do {
- n = 10 * n + to_digit(ch);
- ch = *fmt++;
- } while (is_digit(ch));
- if (ch == '$') {
- types.nextarg = n;
- goto rflag;
- }
- width = n;
- goto reswitch;
-#ifndef NO_FLOATING_POINT
- case 'L':
- flags |= LONGDBL;
- goto rflag;
-#endif
- case 'h':
- if (flags & SHORTINT) {
- flags &= ~SHORTINT;
- flags |= CHARINT;
- } else
- flags |= SHORTINT;
- goto rflag;
- case 'j':
- flags |= INTMAXT;
- goto rflag;
- case 'l':
- if (flags & LONGINT) {
- flags &= ~LONGINT;
- flags |= LLONGINT;
- } else
- flags |= LONGINT;
- goto rflag;
- case 'q':
- flags |= LLONGINT; /* not necessarily */
- goto rflag;
- case 't':
- flags |= PTRDIFFT;
- goto rflag;
- case 'z':
- flags |= SIZET;
- goto rflag;
- case 'C':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'c':
- error = addtype(&types,
-#ifdef VECTORS
- (flags & LONGINT) ? T_WINT : ((flags & VECTOR) ? T_VECTOR : T_INT));
-#else
- (flags & LONGINT) ? T_WINT : T_INT);
-#endif
- if (error)
- goto error;
- break;
- case 'D':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'd':
- case 'i':
-#ifdef VECTORS
- if (flags & VECTOR) {
- if ((error = addtype(&types, T_VECTOR)))
- goto error;
- } else
-#endif
- if ((error = addsarg(&types, flags)))
- goto error;
- break;
-#ifndef NO_FLOATING_POINT
- case 'a':
- case 'A':
- case 'e':
- case 'E':
- case 'f':
- case 'F':
- case 'g':
- case 'G':
- error = addtype(&types,
-#ifdef VECTORS
- (flags & VECTOR) ? T_VECTOR : ((flags & LONGDBL) ? T_LONG_DOUBLE : T_DOUBLE));
-#else
- (flags & LONGDBL) ? T_LONG_DOUBLE : T_DOUBLE);
-#endif
- if (error)
- goto error;
- break;
-#endif /* !NO_FLOATING_POINT */
- case 'n':
- if (flags & INTMAXT)
- error = addtype(&types, TP_INTMAXT);
- else if (flags & PTRDIFFT)
- error = addtype(&types, TP_PTRDIFFT);
- else if (flags & SIZET)
- error = addtype(&types, TP_SSIZET);
- else if (flags & LLONGINT)
- error = addtype(&types, TP_LLONG);
- else if (flags & LONGINT)
- error = addtype(&types, TP_LONG);
- else if (flags & SHORTINT)
- error = addtype(&types, TP_SHORT);
- else if (flags & CHARINT)
- error = addtype(&types, TP_SCHAR);
- else
- error = addtype(&types, TP_INT);
- if (error)
- goto error;
- continue; /* no output */
- case 'O':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'o':
-#ifdef VECTORS
- if (flags & VECTOR) {
- if ((error = addtype(&types, T_VECTOR)))
- goto error;
- } else
-#endif
- if ((error = adduarg(&types, flags)))
- goto error;
- break;
- case 'p':
-#ifdef VECTORS
- if ((error = addtype(&types, (flags & VECTOR) ? T_VECTOR : TP_VOID)))
-#else
- if ((error = addtype(&types, TP_VOID)))
-#endif
- goto error;
- break;
- case 'S':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 's':
- error = addtype(&types,
- (flags & LONGINT) ? TP_WCHAR : TP_CHAR);
- if (error)
- goto error;
- break;
- case 'U':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'u':
- case 'X':
- case 'x':
-#ifdef VECTORS
- if (flags & VECTOR) {
- if ((error = addtype(&types, T_VECTOR)))
- goto error;
- } else
-#endif
- if ((error = adduarg(&types, flags)))
- goto error;
- break;
- default: /* "%?" prints ?, unless ? is NUL */
- if (ch == '\0')
- goto done;
- break;
- }
- }
-done:
- build_arg_table(&types, ap, argtable);
-error:
- freetypes(&types);
- return (error || *argtable == NULL);
-}
-
-/* wchar version of __find_arguments. */
-__private_extern__ int
-__find_warguments (const wchar_t *fmt0, va_list ap, union arg **argtable)
-{
- wchar_t *fmt; /* format string */
- wchar_t ch; /* character from fmt */
- int n; /* handy integer (short term usage) */
- int error;
- int flags; /* flags as above */
- int width; /* width from format (%8d), or 0 */
- struct typetable types; /* table of types */
-
- fmt = (wchar_t *)fmt0;
- inittypes(&types);
- error = 0;
-
- /*
- * Scan the format for conversions (`%' character).
- */
- for (;;) {
- while ((ch = *fmt) != '\0' && ch != '%')
- fmt++;
- if (ch == '\0')
- goto done;
- fmt++; /* skip over '%' */
-
- flags = 0;
- width = 0;
-
-rflag: ch = *fmt++;
-reswitch: switch (ch) {
- case ' ':
- case '#':
- goto rflag;
- case '*':
- if ((error = addwaster(&types, &fmt)))
- goto error;
- goto rflag;
- case '-':
- case '+':
- case '\'':
- goto rflag;
- case '.':
- if ((ch = *fmt++) == '*') {
- if ((error = addwaster(&types, &fmt)))
- goto error;
- goto rflag;
- }
- while (is_digit(ch)) {
- ch = *fmt++;
- }
- goto reswitch;
- case '0':
- goto rflag;
- case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- n = 0;
- do {
- n = 10 * n + to_digit(ch);
- ch = *fmt++;
- } while (is_digit(ch));
- if (ch == '$') {
- types.nextarg = n;
- goto rflag;
- }
- width = n;
- goto reswitch;
-#ifndef NO_FLOATING_POINT
- case 'L':
- flags |= LONGDBL;
- goto rflag;
-#endif
- case 'h':
- if (flags & SHORTINT) {
- flags &= ~SHORTINT;
- flags |= CHARINT;
- } else
- flags |= SHORTINT;
- goto rflag;
- case 'j':
- flags |= INTMAXT;
- goto rflag;
- case 'l':
- if (flags & LONGINT) {
- flags &= ~LONGINT;
- flags |= LLONGINT;
- } else
- flags |= LONGINT;
- goto rflag;
- case 'q':
- flags |= LLONGINT; /* not necessarily */
- goto rflag;
- case 't':
- flags |= PTRDIFFT;
- goto rflag;
- case 'z':
- flags |= SIZET;
- goto rflag;
- case 'C':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'c':
- error = addtype(&types,
- (flags & LONGINT) ? T_WINT : T_INT);
- if (error)
- goto error;
- break;
- case 'D':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'd':
- case 'i':
- if ((error = addsarg(&types, flags)))
- goto error;
- break;
-#ifndef NO_FLOATING_POINT
- case 'a':
- case 'A':
- case 'e':
- case 'E':
- case 'f':
- case 'F':
- case 'g':
- case 'G':
- error = addtype(&types,
- (flags & LONGDBL) ? T_LONG_DOUBLE : T_DOUBLE);
- if (error)
- goto error;
- break;
-#endif /* !NO_FLOATING_POINT */
- case 'n':
- if (flags & INTMAXT)
- error = addtype(&types, TP_INTMAXT);
- else if (flags & PTRDIFFT)
- error = addtype(&types, TP_PTRDIFFT);
- else if (flags & SIZET)
- error = addtype(&types, TP_SSIZET);
- else if (flags & LLONGINT)
- error = addtype(&types, TP_LLONG);
- else if (flags & LONGINT)
- error = addtype(&types, TP_LONG);
- else if (flags & SHORTINT)
- error = addtype(&types, TP_SHORT);
- else if (flags & CHARINT)
- error = addtype(&types, TP_SCHAR);
- else
- error = addtype(&types, TP_INT);
- if (error)
- goto error;
- continue; /* no output */
- case 'O':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'o':
- if ((error = adduarg(&types, flags)))
- goto error;
- break;
- case 'p':
- if ((error = addtype(&types, TP_VOID)))
- goto error;
- break;
- case 'S':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 's':
- error = addtype(&types,
- (flags & LONGINT) ? TP_WCHAR : TP_CHAR);
- if (error)
- goto error;
- break;
- case 'U':
- flags |= LONGINT;
- /*FALLTHROUGH*/
- case 'u':
- case 'X':
- case 'x':
- if ((error = adduarg(&types, flags)))
- goto error;
- break;
- default: /* "%?" prints ?, unless ? is NUL */
- if (ch == '\0')
- goto done;
- break;
- }
- }
-done:
- build_arg_table(&types, ap, argtable);
-error:
- freetypes(&types);
- return (error || *argtable == NULL);
-}
-
-/*
- * Increase the size of the type table. Returns 0 on success.
- */
-static int
-__grow_type_table(struct typetable *types)
-{
- enum typeid *const oldtable = types->table;
- const int oldsize = types->tablesize;
- enum typeid *newtable;
- int n, newsize = oldsize * 2;
-
- if (newsize < types->nextarg + 1)
- newsize = types->nextarg + 1;
- if (oldsize == STATIC_ARG_TBL_SIZE) {
- if ((newtable = malloc(newsize * sizeof(enum typeid))) == NULL)
- return (-1);
- bcopy(oldtable, newtable, oldsize * sizeof(enum typeid));
- } else {
- newtable = realloc(oldtable, newsize * sizeof(enum typeid));
- if (newtable == NULL)
- return (-1);
- }
- for (n = oldsize; n < newsize; n++)
- newtable[n] = T_UNUSED;
-
- types->table = newtable;
- types->tablesize = newsize;
-
- return (0);
-}
-
-/*
- * Build the argument table from the completed type table.
- * On malloc failure, *argtable is set to NULL.
- */
-static void
-build_arg_table(struct typetable *types, va_list ap, union arg **argtable)
-{
- int n;
-
- if (types->tablemax >= STATIC_ARG_TBL_SIZE) {
- *argtable = (union arg *)
- malloc (sizeof (union arg) * (types->tablemax + 1));
- if (*argtable == NULL)
- return;
- }
-
- (*argtable) [0].intarg = 0;
- for (n = 1; n <= types->tablemax; n++) {
- switch (types->table[n]) {
- case T_UNUSED: /* whoops! */
- (*argtable) [n].intarg = va_arg (ap, int);
- break;
- case TP_SCHAR:
- (*argtable) [n].pschararg = va_arg (ap, signed char *);
- break;
- case TP_SHORT:
- (*argtable) [n].pshortarg = va_arg (ap, short *);
- break;
- case T_INT:
- (*argtable) [n].intarg = va_arg (ap, int);
- break;
- case T_U_INT:
- (*argtable) [n].uintarg = va_arg (ap, unsigned int);
- break;
- case TP_INT:
- (*argtable) [n].pintarg = va_arg (ap, int *);
- break;
- case T_LONG:
- (*argtable) [n].longarg = va_arg (ap, long);
- break;
- case T_U_LONG:
- (*argtable) [n].ulongarg = va_arg (ap, unsigned long);
- break;
- case TP_LONG:
- (*argtable) [n].plongarg = va_arg (ap, long *);
- break;
- case T_LLONG:
- (*argtable) [n].longlongarg = va_arg (ap, long long);
- break;
- case T_U_LLONG:
- (*argtable) [n].ulonglongarg = va_arg (ap, unsigned long long);
- break;
- case TP_LLONG:
- (*argtable) [n].plonglongarg = va_arg (ap, long long *);
- break;
- case T_PTRDIFFT:
- (*argtable) [n].ptrdiffarg = va_arg (ap, ptrdiff_t);
- break;
- case TP_PTRDIFFT:
- (*argtable) [n].pptrdiffarg = va_arg (ap, ptrdiff_t *);
- break;
- case T_SIZET:
- (*argtable) [n].sizearg = va_arg (ap, size_t);
- break;
- case T_SSIZET:
- (*argtable) [n].sizearg = va_arg (ap, ssize_t);
- break;
- case TP_SSIZET:
- (*argtable) [n].pssizearg = va_arg (ap, ssize_t *);
- break;
- case T_INTMAXT:
- (*argtable) [n].intmaxarg = va_arg (ap, intmax_t);
- break;
- case T_UINTMAXT:
- (*argtable) [n].uintmaxarg = va_arg (ap, uintmax_t);
- break;
- case TP_INTMAXT:
- (*argtable) [n].pintmaxarg = va_arg (ap, intmax_t *);
- break;
- case T_DOUBLE:
-#ifndef NO_FLOATING_POINT
- (*argtable) [n].doublearg = va_arg (ap, double);
-#endif
- break;
- case T_LONG_DOUBLE:
-#ifndef NO_FLOATING_POINT
- (*argtable) [n].longdoublearg = va_arg (ap, long double);
-#endif
- break;
-#ifdef VECTORS
- case T_VECTOR:
- (*argtable) [n].vectorarg = va_arg (ap, VECTORTYPE);
- break;
-#endif /* VECTORS */
- case TP_CHAR:
- (*argtable) [n].pchararg = va_arg (ap, char *);
- break;
- case TP_VOID:
- (*argtable) [n].pvoidarg = va_arg (ap, void *);
- break;
- case T_WINT:
- (*argtable) [n].wintarg = va_arg (ap, wint_t);
- break;
- case TP_WCHAR:
- (*argtable) [n].pwchararg = va_arg (ap, wchar_t *);
- break;
- }
- }
-}