diff options
Diffstat (limited to 'lib/libc/stdio/printf-pos.c')
| -rw-r--r-- | lib/libc/stdio/printf-pos.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/lib/libc/stdio/printf-pos.c b/lib/libc/stdio/printf-pos.c deleted file mode 100644 index 1648957..0000000 --- a/lib/libc/stdio/printf-pos.c +++ /dev/null @@ -1,758 +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("$FreeBSD$"); - -/* - * 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 -}; - -/* 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. - */ -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, - (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 '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); -} - -/* wchar version of __find_arguments. */ -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 '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; - 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; - } - } -} |
