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authorWerner Koch <[email protected]>2014-08-26 15:47:22 +0000
committerWerner Koch <[email protected]>2014-08-26 15:47:54 +0000
commit519305feb888b529c005b40445d041a088a2f8fc (patch)
tree74994a5b568e059982ca83a0daa8b7d96035355d /common/estream-printf.c
parentgpg: Allow for positional parameters in the passphrase prompt. (diff)
downloadgnupg-519305feb888b529c005b40445d041a088a2f8fc.tar.gz
gnupg-519305feb888b529c005b40445d041a088a2f8fc.zip
Switch to the libgpg-error provided estream.
* configure.ac (NEED_GPG_ERROR_VERSION): Reguire 1.14. (GPGRT_ENABLE_ES_MACROS): Define. (estream_INIT): Remove. * m4/estream.m4: Remove. * common/estream-printf.c, common/estream-printf.h: Remove. * common/estream.c, common/estream.h: Remove. * common/init.c (_init_common_subsystems): Call gpgrt initialization.
Diffstat (limited to 'common/estream-printf.c')
-rw-r--r--common/estream-printf.c1855
1 files changed, 0 insertions, 1855 deletions
diff --git a/common/estream-printf.c b/common/estream-printf.c
deleted file mode 100644
index 83336c8fe..000000000
--- a/common/estream-printf.c
+++ /dev/null
@@ -1,1855 +0,0 @@
-/* estream-printf.c - Versatile mostly C-99 compliant printf formatting
- * Copyright (C) 2007, 2008, 2009, 2010, 2012 g10 Code GmbH
- *
- * This file is part of Libestream.
- *
- * Libestream is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * Libestream is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libestream; if not, see <http://www.gnu.org/licenses/>.
- *
- * ALTERNATIVELY, Libestream may be distributed under the terms of the
- * following license, in which case the provisions of this license are
- * required INSTEAD OF the GNU General Public License. If you wish to
- * allow use of your version of this file only under the terms of the
- * GNU General Public License, and not to allow others to use your
- * version of this file under the terms of the following license,
- * indicate your decision by deleting this paragraph and the license
- * below.
- *
- * 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, and the entire permission notice in its entirety,
- * including the disclaimer of warranties.
- * 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.
- * 3. The name of the author may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED "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 AUTHOR 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.
- */
-
-/* Required autoconf tests:
-
- AC_TYPE_LONG_LONG_INT defines HAVE_LONG_LONG_INT
- AC_TYPE_LONG_DOUBLE defines HAVE_LONG_DOUBLE
- AC_TYPE_INTMAX_T defines HAVE_INTMAX_T
- AC_TYPE_UINTMAX_T defines HAVE_UINTMAX_T
- AC_CHECK_TYPES([ptrdiff_t]) defines HAVE_PTRDIFF_T
- AC_CHECK_SIZEOF([unsigned long]) defines SIZEOF_UNSIGNED_LONG
- AC_CHECK_SIZEOF([void *]) defines SIZEOF_VOID_P
- HAVE_LANGINFO_THOUSANDS_SEP
-
- Note that the file estream.m4 provides the autoconf macro
- ESTREAM_PRINTF_INIT which runs all required checks.
- See estream-printf.h for ways to tune this code.
-
- Missing stuff: wchar and wint_t
- thousands_sep in pr_float.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#if defined(_WIN32) && !defined(HAVE_W32_SYSTEM)
-# define HAVE_W32_SYSTEM 1
-# if defined(__MINGW32CE__) && !defined (HAVE_W32CE_SYSTEM)
-# define HAVE_W32CE_SYSTEM
-# endif
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <stddef.h>
-#include <assert.h>
-#if defined(HAVE_INTMAX_T) || defined(HAVE_UINTMAX_T)
-# ifdef HAVE_STDINT_H
-# include <stdint.h>
-# endif
-#endif
-#ifdef HAVE_LANGINFO_THOUSANDS_SEP
-#include <langinfo.h>
-#endif
-#ifdef HAVE_W32CE_SYSTEM
-#include <gpg-error.h> /* ERRNO replacement. */
-#endif
-#ifdef _ESTREAM_PRINTF_EXTRA_INCLUDE
-# include _ESTREAM_PRINTF_EXTRA_INCLUDE
-#endif
-#include "estream-printf.h"
-
-/* #define DEBUG 1 */
-
-
-/* Allow redefinition of asprintf used realloc function. */
-#if defined(_ESTREAM_PRINTF_REALLOC)
-#define my_printf_realloc(a,b) _ESTREAM_PRINTF_REALLOC((a),(b))
-#else
-#define my_printf_realloc(a,b) fixed_realloc((a),(b))
-#endif
-
-/* A wrapper to set ERRNO. */
-#ifdef HAVE_W32CE_SYSTEM
-# define _set_errno(a) gpg_err_set_errno ((a))
-#else
-# define _set_errno(a) do { errno = (a); } while (0)
-#endif
-
-
-/* Calculate array dimension. */
-#ifndef DIM
-#define DIM(array) (sizeof (array) / sizeof (*array))
-#endif
-
-
-/* We allow for that many args without requiring malloced memory. */
-#define DEFAULT_MAX_ARGSPECS 5
-
-/* We allow for that many values without requiring malloced memory. */
-#define DEFAULT_MAX_VALUES 8
-
-/* We allocate this many new array argspec elements each time. */
-#define ARGSPECS_BUMP_VALUE 10
-
-/* Special values for the field width and the precision. */
-#define NO_FIELD_VALUE (-1)
-#define STAR_FIELD_VALUE (-2)
-
-/* Bit valuues used for the conversion flags. */
-#define FLAG_GROUPING 1
-#define FLAG_LEFT_JUST 2
-#define FLAG_PLUS_SIGN 4
-#define FLAG_SPACE_PLUS 8
-#define FLAG_ALT_CONV 16
-#define FLAG_ZERO_PAD 32
-
-/* Constants used the length modifiers. */
-typedef enum
- {
- LENMOD_NONE = 0,
- LENMOD_CHAR, /* "hh" */
- LENMOD_SHORT, /* "h" */
- LENMOD_LONG, /* "l" */
- LENMOD_LONGLONG, /* "ll" */
- LENMOD_INTMAX, /* "j" */
- LENMOD_SIZET, /* "z" */
- LENMOD_PTRDIFF, /* "t" */
- LENMOD_LONGDBL /* "L" */
- } lenmod_t;
-
-/* All the conversion specifiers. */
-typedef enum
- {
- CONSPEC_UNKNOWN = 0,
- CONSPEC_DECIMAL,
- CONSPEC_OCTAL,
- CONSPEC_UNSIGNED,
- CONSPEC_HEX,
- CONSPEC_HEX_UP,
- CONSPEC_FLOAT,
- CONSPEC_FLOAT_UP,
- CONSPEC_EXP,
- CONSPEC_EXP_UP,
- CONSPEC_F_OR_G,
- CONSPEC_F_OR_G_UP,
- CONSPEC_HEX_EXP,
- CONSPEC_HEX_EXP_UP,
- CONSPEC_CHAR,
- CONSPEC_STRING,
- CONSPEC_POINTER,
- CONSPEC_STRERROR,
- CONSPEC_BYTES_SO_FAR
- } conspec_t;
-
-
-/* Constants describing all the suppoorted types. Note that we list
- all the types we know about even if certain types are not available
- on this system. */
-typedef enum
- {
- VALTYPE_UNSUPPORTED = 0, /* Artificial type for error detection. */
- VALTYPE_CHAR,
- VALTYPE_SCHAR,
- VALTYPE_UCHAR,
- VALTYPE_SHORT,
- VALTYPE_USHORT,
- VALTYPE_INT,
- VALTYPE_UINT,
- VALTYPE_LONG,
- VALTYPE_ULONG,
- VALTYPE_LONGLONG,
- VALTYPE_ULONGLONG,
- VALTYPE_DOUBLE,
- VALTYPE_LONGDOUBLE,
- VALTYPE_STRING,
- VALTYPE_INTMAX,
- VALTYPE_UINTMAX,
- VALTYPE_SIZE,
- VALTYPE_PTRDIFF,
- VALTYPE_POINTER,
- VALTYPE_CHAR_PTR,
- VALTYPE_SCHAR_PTR,
- VALTYPE_SHORT_PTR,
- VALTYPE_INT_PTR,
- VALTYPE_LONG_PTR,
- VALTYPE_LONGLONG_PTR,
- VALTYPE_INTMAX_PTR,
- VALTYPE_SIZE_PTR,
- VALTYPE_PTRDIFF_PTR
- } valtype_t;
-
-
-/* A union used to store the actual values. */
-typedef union
-{
- char a_char;
- signed char a_schar;
- unsigned char a_uchar;
- short a_short;
- unsigned short a_ushort;
- int a_int;
- unsigned int a_uint;
- long int a_long;
- unsigned long int a_ulong;
-#ifdef HAVE_LONG_LONG_INT
- long long int a_longlong;
- unsigned long long int a_ulonglong;
-#endif
- double a_double;
-#ifdef HAVE_LONG_DOUBLE
- long double a_longdouble;
-#endif
- const char *a_string;
-#ifdef HAVE_INTMAX_T
- intmax_t a_intmax;
-#endif
-#ifdef HAVE_UINTMAX_T
- intmax_t a_uintmax;
-#endif
- size_t a_size;
-#ifdef HAVE_PTRDIFF_T
- ptrdiff_t a_ptrdiff;
-#endif
- void *a_void_ptr;
- char *a_char_ptr;
- signed char *a_schar_ptr;
- short *a_short_ptr;
- int *a_int_ptr;
- long *a_long_ptr;
-#ifdef HAVE_LONG_LONG_INT
- long long int *a_longlong_ptr;
-#endif
-#ifdef HAVE_INTMAX_T
- intmax_t *a_intmax_ptr;
-#endif
- size_t *a_size_ptr;
-#ifdef HAVE_PTRDIFF_T
- ptrdiff_t *a_ptrdiff_ptr;
-#endif
-} value_t;
-
-/* An object used to keep track of a format option and arguments. */
-struct argspec_s
-{
- size_t length; /* The length of these args including the percent. */
- unsigned int flags; /* The conversion flags (bits defined by FLAG_foo). */
- int width; /* The field width. */
- int precision; /* The precision. */
- lenmod_t lenmod; /* The length modifier. */
- conspec_t conspec; /* The conversion specifier. */
- int arg_pos; /* The position of the argument. This one may
- be -1 to indicate that no value is expected
- (e.g. for "%m"). */
- int width_pos; /* The position of the argument for a field
- width star's value. 0 for not used. */
- int precision_pos; /* The position of the argument for the a
- precision star's value. 0 for not used. */
- valtype_t vt; /* The type of the corresponding argument. */
-};
-typedef struct argspec_s *argspec_t;
-
-/* An object to build up a table of values and their types. */
-struct valueitem_s
-{
- valtype_t vt; /* The type of the value. */
- value_t value; /* The value. */
-};
-typedef struct valueitem_s *valueitem_t;
-
-
-/* Not all systems have a C-90 compliant realloc. To cope with this
- we use this simple wrapper. */
-#ifndef _ESTREAM_PRINTF_REALLOC
-static void *
-fixed_realloc (void *a, size_t n)
-{
- if (!a)
- return malloc (n);
-
- if (!n)
- {
- free (a);
- return NULL;
- }
-
- return realloc (a, n);
-}
-#endif /*!_ESTREAM_PRINTF_REALLOC*/
-
-
-#ifdef DEBUG
-static void
-dump_argspecs (argspec_t arg, size_t argcount)
-{
- int idx;
-
- for (idx=0; argcount; argcount--, arg++, idx++)
- fprintf (stderr,
- "%2d: len=%u flags=%u width=%d prec=%d mod=%d "
- "con=%d vt=%d pos=%d-%d-%d\n",
- idx,
- (unsigned int)arg->length,
- arg->flags,
- arg->width,
- arg->precision,
- arg->lenmod,
- arg->conspec,
- arg->vt,
- arg->arg_pos,
- arg->width_pos,
- arg->precision_pos);
-}
-#endif /*DEBUG*/
-
-
-/* Set the vt field for ARG. */
-static void
-compute_type (argspec_t arg)
-{
- switch (arg->conspec)
- {
- case CONSPEC_UNKNOWN:
- arg->vt = VALTYPE_UNSUPPORTED;
- break;
-
- case CONSPEC_DECIMAL:
- switch (arg->lenmod)
- {
- case LENMOD_CHAR: arg->vt = VALTYPE_SCHAR; break;
- case LENMOD_SHORT: arg->vt = VALTYPE_SHORT; break;
- case LENMOD_LONG: arg->vt = VALTYPE_LONG; break;
- case LENMOD_LONGLONG: arg->vt = VALTYPE_LONGLONG; break;
- case LENMOD_INTMAX: arg->vt = VALTYPE_INTMAX; break;
- case LENMOD_SIZET: arg->vt = VALTYPE_SIZE; break;
- case LENMOD_PTRDIFF: arg->vt = VALTYPE_PTRDIFF; break;
- default: arg->vt = VALTYPE_INT; break;
- }
- break;
-
- case CONSPEC_OCTAL:
- case CONSPEC_UNSIGNED:
- case CONSPEC_HEX:
- case CONSPEC_HEX_UP:
- switch (arg->lenmod)
- {
- case LENMOD_CHAR: arg->vt = VALTYPE_UCHAR; break;
- case LENMOD_SHORT: arg->vt = VALTYPE_USHORT; break;
- case LENMOD_LONG: arg->vt = VALTYPE_ULONG; break;
- case LENMOD_LONGLONG: arg->vt = VALTYPE_ULONGLONG; break;
- case LENMOD_INTMAX: arg->vt = VALTYPE_UINTMAX; break;
- case LENMOD_SIZET: arg->vt = VALTYPE_SIZE; break;
- case LENMOD_PTRDIFF: arg->vt = VALTYPE_PTRDIFF; break;
- default: arg->vt = VALTYPE_UINT; break;
- }
- break;
-
- case CONSPEC_FLOAT:
- case CONSPEC_FLOAT_UP:
- case CONSPEC_EXP:
- case CONSPEC_EXP_UP:
- case CONSPEC_F_OR_G:
- case CONSPEC_F_OR_G_UP:
- case CONSPEC_HEX_EXP:
- case CONSPEC_HEX_EXP_UP:
- switch (arg->lenmod)
- {
- case LENMOD_LONGDBL: arg->vt = VALTYPE_LONGDOUBLE; break;
- case LENMOD_LONG: arg->vt = VALTYPE_DOUBLE; break;
- default: arg->vt = VALTYPE_DOUBLE; break;
- }
- break;
-
- case CONSPEC_CHAR:
- arg->vt = VALTYPE_INT;
- break;
-
- case CONSPEC_STRING:
- arg->vt = VALTYPE_STRING;
- break;
-
- case CONSPEC_POINTER:
- arg->vt = VALTYPE_POINTER;
- break;
-
- case CONSPEC_STRERROR:
- arg->vt = VALTYPE_STRING;
- break;
-
- case CONSPEC_BYTES_SO_FAR:
- switch (arg->lenmod)
- {
- case LENMOD_CHAR: arg->vt = VALTYPE_SCHAR_PTR; break;
- case LENMOD_SHORT: arg->vt = VALTYPE_SHORT_PTR; break;
- case LENMOD_LONG: arg->vt = VALTYPE_LONG_PTR; break;
- case LENMOD_LONGLONG: arg->vt = VALTYPE_LONGLONG_PTR; break;
- case LENMOD_INTMAX: arg->vt = VALTYPE_INTMAX_PTR; break;
- case LENMOD_SIZET: arg->vt = VALTYPE_SIZE_PTR; break;
- case LENMOD_PTRDIFF: arg->vt = VALTYPE_PTRDIFF_PTR; break;
- default: arg->vt = VALTYPE_INT_PTR; break;
- }
- break;
-
- }
-}
-
-
-
-/* Parse the FORMAT string and populate the specification array stored
- at the address ARGSPECS_ADDR. The caller has provided enough space
- to store up to MAX_ARGSPECS in that buffer. The function may
- however ignore the provided buffer and malloc a larger one. On
- success the addrrss of that larger buffer will be stored at
- ARGSPECS_ADDR. The actual number of specifications will be
- returned at R_ARGSPECS_COUNT. */
-static int
-parse_format (const char *format,
- argspec_t *argspecs_addr, size_t max_argspecs,
- size_t *r_argspecs_count)
-{
- const char *s;
- argspec_t argspecs = *argspecs_addr;
- argspec_t arg;
- size_t argcount = 0;
-
- if (!format)
- goto leave_einval;
-
- for (; *format; format++)
- {
- unsigned int flags;
- int width, precision;
- lenmod_t lenmod;
- conspec_t conspec;
- int arg_pos, width_pos, precision_pos;
-
- if (*format != '%')
- continue;
- s = ++format;
- if (!*s)
- goto leave_einval;
- if (*s == '%')
- continue; /* Just a quoted percent. */
-
- /* First check whether there is a positional argument. */
- arg_pos = 0; /* No positional argument given. */
- if (*s >= '1' && *s <= '9')
- {
- const char *save_s = s;
-
- arg_pos = (*s++ - '0');
- for (; *s >= '0' && *s <= '9'; s++)
- arg_pos = 10*arg_pos + (*s - '0');
- if (arg_pos < 0)
- goto leave_einval; /* Overflow during conversion. */
- if (*s == '$')
- s++;
- else
- {
- arg_pos = 0;
- s = save_s;
- }
- }
-
- /* Parse the flags. */
- flags = 0;
- for ( ; *s; s++)
- {
- switch (*s)
- {
- case '\'': flags |= FLAG_GROUPING; break;
- case '-': flags |= FLAG_LEFT_JUST; break;
- case '+': flags |= FLAG_PLUS_SIGN; break;
- case ' ': flags |= FLAG_SPACE_PLUS; break;
- case '#': flags |= FLAG_ALT_CONV; break;
- case '0': flags |= FLAG_ZERO_PAD; break;
- default:
- goto flags_parsed;
- }
- }
- flags_parsed:
-
- /* Parse the field width. */
- width_pos = 0;
- if (*s == '*')
- {
- width = STAR_FIELD_VALUE;
- s++;
- /* If we have a positional argument, another one might also
- be used to give the position of the star's value. */
- if (arg_pos && *s >= '1' && *s <= '9')
- {
- width_pos = (*s++ - '0');
- for (; *s >= '0' && *s <= '9'; s++)
- width_pos = 10*width_pos + (*s - '0');
- if (width_pos < 1)
- goto leave_einval; /* Overflow during conversion. */
- if (*s != '$')
- goto leave_einval; /* Not followed by $. */
- s++;
- }
- }
- else if ( *s >= '0' && *s <= '9')
- {
- width = (*s++ - '0');
- for (; *s >= '0' && *s <= '9'; s++)
- {
- if (!width && *s == '0')
- goto leave_einval; /* Leading zeroes are not allowed.
- Fixme: check what other
- implementations do. */
- width = 10*width + (*s - '0');
- }
- if (width < 0)
- goto leave_einval; /* Overflow during conversion. */
- }
- else
- width = NO_FIELD_VALUE;
-
- /* Parse the precision. */
- precision_pos = 0;
- precision = NO_FIELD_VALUE;
- if (*s == '.')
- {
- int ignore_value = (s[1] == '-');
-
- s++;
- if (*s == '*')
- {
- precision = STAR_FIELD_VALUE;
- s++;
- /* If we have a positional argument, another one might also
- be used to give the position of the star's value. */
- if (arg_pos && *s >= '1' && *s <= '9')
- {
- precision_pos = (*s++ - '0');
- for (; *s >= '0' && *s <= '9'; s++)
- precision_pos = 10*precision_pos + (*s - '0');
- if (precision_pos < 1)
- goto leave_einval; /* Overflow during conversion. */
- if (*s != '$')
- goto leave_einval; /* Not followed by $. */
- s++;
- }
- }
- else if ( *s >= '0' && *s <= '9')
- {
- precision = (*s++ - '0');
- for (; *s >= '0' && *s <= '9'; s++)
- {
- if (!precision && *s == '0')
- goto leave_einval; /* Leading zeroes are not allowed.
- Fixme: check what other
- implementations do. */
- precision = 10*precision + (*s - '0');
- }
- if (precision < 0)
- goto leave_einval; /* Overflow during conversion. */
- }
- else
- precision = 0;
- if (ignore_value)
- precision = NO_FIELD_VALUE;
- }
-
- /* Parse the length modifiers. */
- switch (*s)
- {
- case 'h':
- if (s[1] == 'h')
- {
- lenmod = LENMOD_CHAR;
- s++;
- }
- else
- lenmod = LENMOD_SHORT;
- s++;
- break;
- case 'l':
- if (s[1] == 'l')
- {
- lenmod = LENMOD_LONGLONG;
- s++;
- }
- else
- lenmod = LENMOD_LONG;
- s++;
- break;
- case 'j': lenmod = LENMOD_INTMAX; s++; break;
- case 'z': lenmod = LENMOD_SIZET; s++; break;
- case 't': lenmod = LENMOD_PTRDIFF; s++; break;
- case 'L': lenmod = LENMOD_LONGDBL; s++; break;
- default: lenmod = LENMOD_NONE; break;
- }
-
- /* Parse the conversion specifier. */
- switch (*s)
- {
- case 'd':
- case 'i': conspec = CONSPEC_DECIMAL; break;
- case 'o': conspec = CONSPEC_OCTAL; break;
- case 'u': conspec = CONSPEC_UNSIGNED; break;
- case 'x': conspec = CONSPEC_HEX; break;
- case 'X': conspec = CONSPEC_HEX_UP; break;
- case 'f': conspec = CONSPEC_FLOAT; break;
- case 'F': conspec = CONSPEC_FLOAT_UP; break;
- case 'e': conspec = CONSPEC_EXP; break;
- case 'E': conspec = CONSPEC_EXP_UP; break;
- case 'g': conspec = CONSPEC_F_OR_G; break;
- case 'G': conspec = CONSPEC_F_OR_G_UP; break;
- case 'a': conspec = CONSPEC_HEX_EXP; break;
- case 'A': conspec = CONSPEC_HEX_EXP_UP; break;
- case 'c': conspec = CONSPEC_CHAR; break;
- case 's': conspec = CONSPEC_STRING; break;
- case 'p': conspec = CONSPEC_POINTER; break;
- case 'n': conspec = CONSPEC_BYTES_SO_FAR; break;
- case 'C': conspec = CONSPEC_CHAR; lenmod = LENMOD_LONG; break;
- case 'S': conspec = CONSPEC_STRING; lenmod = LENMOD_LONG; break;
- case 'm': conspec = CONSPEC_STRERROR; arg_pos = -1; break;
- default: conspec = CONSPEC_UNKNOWN;
- }
-
- /* Save the args. */
- if (argcount >= max_argspecs)
- {
- /* We either need to allocate a new array instead of the
- caller provided one or realloc the array. Instead of
- using realloc we allocate a new one and release the
- original one then. */
- size_t n, newmax;
- argspec_t newarg;
-
- newmax = max_argspecs + ARGSPECS_BUMP_VALUE;
- if (newmax <= max_argspecs)
- goto leave_einval; /* Too many arguments. */
- newarg = calloc (newmax, sizeof *newarg);
- if (!newarg)
- goto leave;
- for (n=0; n < argcount; n++)
- newarg[n] = argspecs[n];
- if (argspecs != *argspecs_addr)
- free (argspecs);
- argspecs = newarg;
- max_argspecs = newmax;
- }
-
- arg = argspecs + argcount;
- arg->length = s - format + 2;
- arg->flags = flags;
- arg->width = width;
- arg->precision = precision;
- arg->lenmod = lenmod;
- arg->conspec = conspec;
- arg->arg_pos = arg_pos;
- arg->width_pos = width_pos;
- arg->precision_pos = precision_pos;
- compute_type (arg);
- argcount++;
- format = s;
- }
-
- *argspecs_addr = argspecs;
- *r_argspecs_count = argcount;
- return 0; /* Success. */
-
- leave_einval:
- _set_errno (EINVAL);
- leave:
- if (argspecs != *argspecs_addr)
- free (argspecs);
- *argspecs_addr = NULL;
- return -1;
-}
-
-
-/* This function reads all the values as specified by VALUETABLE into
- VALUETABLE. The values are expected in VAARGS. The function
- returns -1 if a specified type is not supported. */
-static int
-read_values (valueitem_t valuetable, size_t valuetable_len, va_list vaargs)
-{
- int validx;
-
- for (validx=0; validx < valuetable_len; validx++)
- {
- value_t *value = &valuetable[validx].value;
- valtype_t vt = valuetable[validx].vt;
-
- switch (vt)
- {
- case VALTYPE_CHAR: value->a_char = va_arg (vaargs, int); break;
- case VALTYPE_CHAR_PTR:
- value->a_char_ptr = va_arg (vaargs, char *);
- break;
- case VALTYPE_SCHAR: value->a_schar = va_arg (vaargs, int); break;
- case VALTYPE_SCHAR_PTR:
- value->a_schar_ptr = va_arg (vaargs, signed char *);
- break;
- case VALTYPE_UCHAR: value->a_uchar = va_arg (vaargs, int); break;
- case VALTYPE_SHORT: value->a_short = va_arg (vaargs, int); break;
- case VALTYPE_USHORT: value->a_ushort = va_arg (vaargs, int); break;
- case VALTYPE_SHORT_PTR:
- value->a_short_ptr = va_arg (vaargs, short *);
- break;
- case VALTYPE_INT:
- value->a_int = va_arg (vaargs, int);
- break;
- case VALTYPE_INT_PTR:
- value->a_int_ptr = va_arg (vaargs, int *);
- break;
- case VALTYPE_UINT:
- value->a_uint = va_arg (vaargs, unsigned int);
- break;
- case VALTYPE_LONG:
- value->a_long = va_arg (vaargs, long);
- break;
- case VALTYPE_ULONG:
- value->a_ulong = va_arg (vaargs, unsigned long);
- break;
- case VALTYPE_LONG_PTR:
- value->a_long_ptr = va_arg (vaargs, long *);
- break;
-#ifdef HAVE_LONG_LONG_INT
- case VALTYPE_LONGLONG:
- value->a_longlong = va_arg (vaargs, long long int);
- break;
- case VALTYPE_ULONGLONG:
- value->a_ulonglong = va_arg (vaargs, unsigned long long int);
- break;
- case VALTYPE_LONGLONG_PTR:
- value->a_longlong_ptr = va_arg (vaargs, long long *);
- break;
-#endif
- case VALTYPE_DOUBLE:
- value->a_double = va_arg (vaargs, double);
- break;
-#ifdef HAVE_LONG_DOUBLE
- case VALTYPE_LONGDOUBLE:
- value->a_longdouble = va_arg (vaargs, long double);
- break;
-#endif
- case VALTYPE_STRING:
- value->a_string = va_arg (vaargs, const char *);
- break;
- case VALTYPE_POINTER:
- value->a_void_ptr = va_arg (vaargs, void *);
- break;
-#ifdef HAVE_INTMAX_T
- case VALTYPE_INTMAX:
- value->a_intmax = va_arg (vaargs, intmax_t);
- break;
- case VALTYPE_INTMAX_PTR:
- value->a_intmax_ptr = va_arg (vaargs, intmax_t *);
- break;
-#endif
-#ifdef HAVE_UINTMAX_T
- case VALTYPE_UINTMAX:
- value->a_uintmax = va_arg (vaargs, uintmax_t);
- break;
-#endif
- case VALTYPE_SIZE:
- value->a_size = va_arg (vaargs, size_t);
- break;
- case VALTYPE_SIZE_PTR:
- value->a_size_ptr = va_arg (vaargs, size_t *);
- break;
-#ifdef HAVE_PTRDIFF_T
- case VALTYPE_PTRDIFF:
- value->a_ptrdiff = va_arg (vaargs, ptrdiff_t);
- break;
- case VALTYPE_PTRDIFF_PTR:
- value->a_ptrdiff_ptr = va_arg (vaargs, ptrdiff_t *);
- break;
-#endif
- default: /* Unsupported type. */
- return -1;
- }
- }
- return 0;
-}
-
-
-
-/* Output COUNT padding characters PADCHAR and update NBYTES by the
- number of bytes actually written. */
-static int
-pad_out (estream_printf_out_t outfnc, void *outfncarg,
- int padchar, int count, size_t *nbytes)
-{
- char buf[32];
- size_t n;
- int rc;
-
- while (count > 0)
- {
- n = (count <= sizeof buf)? count : sizeof buf;
- memset (buf, padchar, n);
- rc = outfnc (outfncarg, buf, n);
- if (rc)
- return rc;
- *nbytes += n;
- count -= n;
- }
-
- return 0;
-}
-
-
-/* "d,i,o,u,x,X" formatting. OUTFNC and OUTFNCARG describes the
- output routine, ARG gives the argument description and VALUE the
- actual value (its type is available through arg->vt). */
-static int
-pr_integer (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- int rc;
-#ifdef HAVE_LONG_LONG_INT
- unsigned long long aulong;
-#else
- unsigned long aulong;
-#endif
- char numbuf[100];
- char *p, *pend;
- size_t n;
- char signchar = 0;
- int n_prec; /* Number of extra precision digits required. */
- int n_extra; /* Extra number of prefix or sign characters. */
-
- if (arg->conspec == CONSPEC_DECIMAL)
- {
-#ifdef HAVE_LONG_LONG_INT
- long long along;
-#else
- long along;
-#endif
-
- switch (arg->vt)
- {
- case VALTYPE_SHORT: along = value.a_short; break;
- case VALTYPE_INT: along = value.a_int; break;
- case VALTYPE_LONG: along = value.a_long; break;
-#ifdef HAVE_LONG_LONG_INT
- case VALTYPE_LONGLONG: along = value.a_longlong; break;
- case VALTYPE_SIZE: along = value.a_size; break;
-# ifdef HAVE_INTMAX_T
- case VALTYPE_INTMAX: along = value.a_intmax; break;
-# endif
-# ifdef HAVE_PTRDIFF_T
- case VALTYPE_PTRDIFF: along = value.a_ptrdiff; break;
-# endif
-#endif /*HAVE_LONG_LONG_INT*/
- default:
- return -1;
- }
- if (along < 0)
- {
- aulong = -along;
- signchar = '-';
- }
- else
- aulong = along;
- }
- else
- {
- switch (arg->vt)
- {
- case VALTYPE_USHORT: aulong = value.a_ushort; break;
- case VALTYPE_UINT: aulong = value.a_uint; break;
- case VALTYPE_ULONG: aulong = value.a_ulong; break;
-#ifdef HAVE_LONG_LONG_INT
- case VALTYPE_ULONGLONG: aulong = value.a_ulonglong; break;
- case VALTYPE_SIZE: aulong = value.a_size; break;
-# ifdef HAVE_UINTMAX_T
- case VALTYPE_UINTMAX: aulong = value.a_uintmax; break;
-# endif
-# ifdef HAVE_PTRDIFF_T
- case VALTYPE_PTRDIFF: aulong = value.a_ptrdiff; break;
-# endif
-#endif /*HAVE_LONG_LONG_INT*/
- default:
- return -1;
- }
- }
-
- if (signchar == '-')
- ;
- else if ((arg->flags & FLAG_PLUS_SIGN))
- signchar = '+';
- else if ((arg->flags & FLAG_SPACE_PLUS))
- signchar = ' ';
-
- n_extra = !!signchar;
-
- /* We build the string up backwards. */
- p = pend = numbuf + DIM(numbuf);
- if ((!aulong && !arg->precision))
- ;
- else if (arg->conspec == CONSPEC_DECIMAL
- || arg->conspec == CONSPEC_UNSIGNED)
- {
- int grouping = -1;
- const char * grouping_string =
-#ifdef HAVE_LANGINFO_THOUSANDS_SEP
- nl_langinfo(THOUSANDS_SEP);
-#else
- "'";
-#endif
-
- do
- {
- if ((arg->flags & FLAG_GROUPING)
- && (++grouping == 3) && *grouping_string)
- {
- *--p = *grouping_string;
- grouping = 0;
- }
- *--p = '0' + (aulong % 10);
- aulong /= 10;
- }
- while (aulong);
- }
- else if (arg->conspec == CONSPEC_OCTAL)
- {
- do
- {
- *--p = '0' + (aulong % 8);
- aulong /= 8;
- }
- while (aulong);
- if ((arg->flags & FLAG_ALT_CONV) && *p != '0')
- *--p = '0';
- }
- else /* HEX or HEXUP */
- {
- const char *digits = ((arg->conspec == CONSPEC_HEX)
- ? "0123456789abcdef" : "0123456789ABCDEF");
- do
- {
- *--p = digits[(aulong % 16)];
- aulong /= 16;
- }
- while (aulong);
- if ((arg->flags & FLAG_ALT_CONV))
- n_extra += 2;
- }
-
- n = pend - p;
-
- if ((arg->flags & FLAG_ZERO_PAD)
- && arg->precision == NO_FIELD_VALUE && !(arg->flags & FLAG_LEFT_JUST)
- && n && arg->width - n_extra > n )
- n_prec = arg->width - n_extra - n;
- else if (arg->precision > 0 && arg->precision > n)
- n_prec = arg->precision - n;
- else
- n_prec = 0;
-
- if (!(arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width - n_extra > n
- && arg->width - n_extra - n >= n_prec )
- {
- rc = pad_out (outfnc, outfncarg, ' ',
- arg->width - n_extra - n - n_prec, nbytes);
- if (rc)
- return rc;
- }
-
- if (signchar)
- {
- rc = outfnc (outfncarg, &signchar, 1);
- if (rc)
- return rc;
- *nbytes += 1;
- }
-
- if ((arg->flags & FLAG_ALT_CONV)
- && (arg->conspec == CONSPEC_HEX || arg->conspec == CONSPEC_HEX_UP))
- {
- rc = outfnc (outfncarg, arg->conspec == CONSPEC_HEX? "0x": "0X", 2);
- if (rc)
- return rc;
- *nbytes += 2;
- }
-
- if (n_prec)
- {
- rc = pad_out (outfnc, outfncarg, '0', n_prec, nbytes);
- if (rc)
- return rc;
- }
-
- rc = outfnc (outfncarg, p, pend - p);
- if (rc)
- return rc;
- *nbytes += pend - p;
-
- if ((arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width - n_extra - n_prec > n)
- {
- rc = pad_out (outfnc, outfncarg, ' ',
- arg->width - n_extra - n_prec - n, nbytes);
- if (rc)
- return rc;
- }
-
- return 0;
-}
-
-
-/* "e,E,f,F,g,G,a,A" formatting. OUTFNC and OUTFNCARG describes the
- output routine, ARG gives the argument description and VALUE the
- actual value (its type is available through arg->vt). For
- portability reasons sprintf is used for the actual formatting.
- This is useful because sprint is the only standard function to
- convert a floating number into its ascii representation. To avoid
- using malloc we just pass the precision to sprintf and do the final
- formatting with our own code. */
-static int
-pr_float (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- int rc;
-#ifdef HAVE_LONG_DOUBLE
- long double adblfloat = 0; /* Just to please gcc. */
- int use_dbl = 0;
-#endif
- double afloat;
- char numbuf[350];
- char formatstr[20];
- char *p, *pend;
- size_t n;
- char signchar = 0;
- int n_extra; /* Extra number of prefix or sign characters. */
-
- switch (arg->vt)
- {
- case VALTYPE_DOUBLE: afloat = value.a_double; break;
-#ifdef HAVE_LONG_DOUBLE
- case VALTYPE_LONGDOUBLE:
- afloat = 0; /* Just to please gcc. */
- adblfloat = value.a_longdouble;
- use_dbl=1; break;
-#endif
- default:
- return -1;
- }
-
- /* We build the string using sprint. */
- p = formatstr + sizeof formatstr;
- *--p = 0;
- switch (arg->conspec)
- {
- case CONSPEC_FLOAT: *--p = 'f'; break;
- case CONSPEC_FLOAT_UP: *--p = 'F'; break;
- case CONSPEC_EXP: *--p = 'e'; break;
- case CONSPEC_EXP_UP: *--p = 'E'; break;
- case CONSPEC_F_OR_G: *--p = 'g'; break;
- case CONSPEC_F_OR_G_UP: *--p = 'G'; break;
- case CONSPEC_HEX_EXP: *--p = 'a'; break;
- case CONSPEC_HEX_EXP_UP: *--p = 'A'; break;
- default:
- return -1; /* Actually a bug. */
- }
-#ifdef HAVE_LONG_DOUBLE
- if (use_dbl)
- *--p = 'L';
-#endif
- if (arg->precision != NO_FIELD_VALUE)
- {
- /* Limit it to a meaningful value so that even a stupid sprintf
- won't overflow our buffer. */
- n = arg->precision <= 100? arg->precision : 100;
- do
- {
- *--p = '0' + (n % 10);
- n /= 10;
- }
- while (n);
- *--p = '.';
- }
- if ((arg->flags & FLAG_ALT_CONV))
- *--p = '#';
- *--p = '%';
-#ifdef HAVE_LONG_DOUBLE
- if (use_dbl)
- sprintf (numbuf, p, adblfloat);
- else
-#endif /*HAVE_LONG_DOUBLE*/
- sprintf (numbuf, p, afloat);
- p = numbuf;
- n = strlen (numbuf);
- pend = p + n;
-
- if (*p =='-')
- {
- signchar = '-';
- p++;
- n--;
- }
- else if ((arg->flags & FLAG_PLUS_SIGN))
- signchar = '+';
- else if ((arg->flags & FLAG_SPACE_PLUS))
- signchar = ' ';
-
- n_extra = !!signchar;
-
- if (!(arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width - n_extra > n)
- {
- rc = pad_out (outfnc, outfncarg, ' ', arg->width - n_extra - n, nbytes);
- if (rc)
- return rc;
- }
-
- if (signchar)
- {
- rc = outfnc (outfncarg, &signchar, 1);
- if (rc)
- return rc;
- *nbytes += 1;
- }
-
- rc = outfnc (outfncarg, p, pend - p);
- if (rc)
- return rc;
- *nbytes += pend - p;
-
- if ((arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width - n_extra > n)
- {
- rc = pad_out (outfnc, outfncarg, ' ', arg->width - n_extra - n, nbytes);
- if (rc)
- return rc;
- }
-
- return 0;
-}
-
-
-/* "c" formatting. */
-static int
-pr_char (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- int rc;
- char buf[1];
-
- if (arg->vt != VALTYPE_INT)
- return -1;
- buf[0] = (unsigned int)value.a_int;
- rc = outfnc (outfncarg, buf, 1);
- if(rc)
- return rc;
- *nbytes += 1;
-
- return 0;
-}
-
-
-/* "s" formatting. */
-static int
-pr_string (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- int rc;
- size_t n;
- const char *string, *s;
-
- if (arg->vt != VALTYPE_STRING)
- return -1;
- string = value.a_string;
- if (!string)
- string = "(null)";
- if (arg->precision >= 0)
- {
- /* Test for nul after N so that we can pass a non-nul terminated
- string. */
- for (n=0,s=string; n < arg->precision && *s; s++)
- n++;
- }
- else
- n = strlen (string);
-
- if (!(arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width > n )
- {
- rc = pad_out (outfnc, outfncarg, ' ', arg->width - n, nbytes);
- if (rc)
- return rc;
- }
-
- rc = outfnc (outfncarg, string, n);
- if (rc)
- return rc;
- *nbytes += n;
-
- if ((arg->flags & FLAG_LEFT_JUST)
- && arg->width >= 0 && arg->width > n)
- {
- rc = pad_out (outfnc, outfncarg, ' ', arg->width - n, nbytes);
- if (rc)
- return rc;
- }
-
- return 0;
-}
-
-
-/* "p" formatting. */
-static int
-pr_pointer (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- int rc;
-#if defined(HAVE_LONG_LONG_INT) && (SIZEOF_UNSIGNED_LONG < SIZEOF_VOID_P)
- unsigned long long aulong;
-#else
- unsigned long aulong;
-#endif
- char numbuf[100];
- char *p, *pend;
-
- if (arg->vt != VALTYPE_POINTER)
- return -1;
- /* We assume that a pointer can be converted to an unsigned long.
- That is not correct for a 64 bit Windows, but then we assume that
- long long is supported and usable for storing a pointer. */
-#if defined(HAVE_LONG_LONG_INT) && (SIZEOF_UNSIGNED_LONG < SIZEOF_VOID_P)
- aulong = (unsigned long long)value.a_void_ptr;
-#else
- aulong = (unsigned long)value.a_void_ptr;
-#endif
-
- p = pend = numbuf + DIM(numbuf);
- do
- {
- *--p = "0123456789abcdefx"[(aulong % 16)];
- aulong /= 16;
- }
- while (aulong);
- while ((pend-p) < 2*sizeof (aulong))
- *--p = '0';
- *--p = 'x';
- *--p = '0';
-
- rc = outfnc (outfncarg, p, pend - p);
- if (rc)
- return rc;
- *nbytes += pend - p;
-
- return 0;
-}
-
-/* "n" pesudo format operation. */
-static int
-pr_bytes_so_far (estream_printf_out_t outfnc, void *outfncarg,
- argspec_t arg, value_t value, size_t *nbytes)
-{
- (void)outfnc;
- (void)outfncarg;
-
- switch (arg->vt)
- {
- case VALTYPE_SCHAR_PTR:
- *value.a_schar_ptr = (signed char)(unsigned int)(*nbytes);
- break;
- case VALTYPE_SHORT_PTR:
- *value.a_short_ptr = (short)(unsigned int)(*nbytes);
- break;
- case VALTYPE_LONG_PTR:
- *value.a_long_ptr = (long)(*nbytes);
- break;
-#ifdef HAVE_LONG_LONG_INT
- case VALTYPE_LONGLONG_PTR:
- *value.a_longlong_ptr = (long long)(*nbytes);
- break;
-#endif
-#ifdef HAVE_INTMAX_T
- case VALTYPE_INTMAX_PTR:
- *value.a_intmax_ptr = (intmax_t)(*nbytes);
- break;
-#endif
- case VALTYPE_SIZE_PTR:
- *value.a_size_ptr = (*nbytes);
- break;
-#ifdef HAVE_PTRDIFF_T
- case VALTYPE_PTRDIFF_PTR:
- *value.a_ptrdiff_ptr = (ptrdiff_t)(*nbytes);
- break;
-#endif
- case VALTYPE_INT_PTR:
- *value.a_int_ptr = (int)(*nbytes);
- break;
- default:
- return -1; /* An unsupported type has been used. */
- }
-
- return 0;
-}
-
-
-
-/* Run the actual formatting. OUTFNC and OUTFNCARG are the output
- functions. FORMAT is format string ARGSPECS is the parsed format
- string, ARGSPECS_LEN the number of items in ARGSPECS. VALUETABLE
- holds the values and may be directly addressed using the position
- arguments given by ARGSPECS. MYERRNO is used for the "%m"
- conversion. NBYTES well be updated to reflect the number of bytes
- send to the output function. */
-static int
-do_format (estream_printf_out_t outfnc, void *outfncarg,
- const char *format, argspec_t argspecs, size_t argspecs_len,
- valueitem_t valuetable, int myerrno, size_t *nbytes)
-{
- int rc = 0;
- const char *s;
- argspec_t arg = argspecs;
- int argidx = 0; /* Only used for assertion. */
- size_t n;
- value_t value;
-
- s = format;
- while ( *s )
- {
- if (*s != '%')
- {
- s++;
- continue;
- }
- if (s != format)
- {
- rc = outfnc (outfncarg, format, (n=s-format));
- if (rc)
- return rc;
- *nbytes += n;
- }
- if (s[1] == '%')
- {
- /* Note that this code ignores one trailing percent escape -
- this is however okay as the args parser must have
- detected this already. */
- rc = outfnc (outfncarg, s, 1);
- if (rc)
- return rc;
- *nbytes += 1;
- s += 2;
- format = s;
- continue;
- }
-
- /* Save the next start. */
- s += arg->length;
- format = s;
-
- assert (argidx < argspecs_len);
- argidx++;
-
- /* Apply indirect field width and precision values. */
- if (arg->width == STAR_FIELD_VALUE)
- {
- assert (valuetable[arg->width_pos-1].vt == VALTYPE_INT);
- arg->width = valuetable[arg->width_pos-1].value.a_int;
- if (arg->width < 0)
- {
- arg->width = -arg->width;
- arg->flags |= FLAG_LEFT_JUST;
- }
- }
- if (arg->precision == STAR_FIELD_VALUE)
- {
- assert (valuetable[arg->precision_pos-1].vt == VALTYPE_INT);
- arg->precision = valuetable[arg->precision_pos-1].value.a_int;
- if (arg->precision < 0)
- arg->precision = NO_FIELD_VALUE;
- }
-
- if (arg->arg_pos == -1 && arg->conspec == CONSPEC_STRERROR)
- value.a_string = strerror (myerrno);
- else
- {
- assert (arg->vt == valuetable[arg->arg_pos-1].vt);
- value = valuetable[arg->arg_pos-1].value;
- }
-
- switch (arg->conspec)
- {
- case CONSPEC_UNKNOWN: assert (!"bug"); break;
-
- case CONSPEC_DECIMAL:
- case CONSPEC_UNSIGNED:
- case CONSPEC_OCTAL:
- case CONSPEC_HEX:
- case CONSPEC_HEX_UP:
- rc = pr_integer (outfnc, outfncarg, arg, value, nbytes);
- break;
- case CONSPEC_FLOAT:
- case CONSPEC_FLOAT_UP:
- case CONSPEC_EXP:
- case CONSPEC_EXP_UP:
- case CONSPEC_F_OR_G:
- case CONSPEC_F_OR_G_UP:
- case CONSPEC_HEX_EXP:
- case CONSPEC_HEX_EXP_UP:
- rc = pr_float (outfnc, outfncarg, arg, value, nbytes);
- break;
- case CONSPEC_CHAR:
- rc = pr_char (outfnc, outfncarg, arg, value, nbytes);
- break;
- case CONSPEC_STRING:
- case CONSPEC_STRERROR:
- rc = pr_string (outfnc, outfncarg, arg, value, nbytes);
- break;
- case CONSPEC_POINTER:
- rc = pr_pointer (outfnc, outfncarg, arg, value, nbytes);
- break;
- case CONSPEC_BYTES_SO_FAR:
- rc = pr_bytes_so_far (outfnc, outfncarg, arg, value, nbytes);
- break;
- }
- if (rc)
- return rc;
- arg++;
- }
-
- /* Print out any trailing stuff. */
- n = s - format;
- rc = n? outfnc (outfncarg, format, n) : 0;
- if (!rc)
- *nbytes += n;
-
- return rc;
-}
-
-
-
-
-/* The versatile printf formatting routine. It expects a callback
- function OUTFNC and an opaque argument OUTFNCARG used for actual
- output of the formatted stuff. FORMAT is the format specification
- and VAARGS a variable argumemt list matching the arguments of
- FORMAT. */
-int
-estream_format (estream_printf_out_t outfnc,
- void *outfncarg,
- const char *format, va_list vaargs)
-{
- /* Buffer to hold the argspecs and a pointer to it.*/
- struct argspec_s argspecs_buffer[DEFAULT_MAX_ARGSPECS];
- argspec_t argspecs = argspecs_buffer;
- size_t argspecs_len; /* Number of specifications in ARGSPECS. */
-
- /* Buffer to hold the description for the values. */
- struct valueitem_s valuetable_buffer[DEFAULT_MAX_VALUES];
- valueitem_t valuetable = valuetable_buffer;
-
- int rc; /* Return code. */
- size_t argidx; /* Used to index the argspecs array. */
- size_t validx; /* Used to index the valuetable. */
- int max_pos;/* Highest argument position. */
-
- size_t nbytes = 0; /* Keep track of the number of bytes passed to
- the output function. */
-
- int myerrno = errno; /* Save the errno for use with "%m". */
-
-
- /* Parse the arguments to come up with descriptive list. We can't
- do this on the fly because we need to support positional
- arguments. */
- rc = parse_format (format, &argspecs, DIM(argspecs_buffer), &argspecs_len);
- if (rc)
- goto leave;
-
- /* Check that all ARG_POS fields are set. */
- for (argidx=0,max_pos=0; argidx < argspecs_len; argidx++)
- {
- if (argspecs[argidx].arg_pos != -1
- && argspecs[argidx].arg_pos > max_pos)
- max_pos = argspecs[argidx].arg_pos;
- if (argspecs[argidx].width_pos > max_pos)
- max_pos = argspecs[argidx].width_pos;
- if (argspecs[argidx].precision_pos > max_pos)
- max_pos = argspecs[argidx].precision_pos;
- }
- if (!max_pos)
- {
- /* Fill in all the positions. */
- for (argidx=0; argidx < argspecs_len; argidx++)
- {
- if (argspecs[argidx].width == STAR_FIELD_VALUE)
- argspecs[argidx].width_pos = ++max_pos;
- if (argspecs[argidx].precision == STAR_FIELD_VALUE)
- argspecs[argidx].precision_pos = ++max_pos;
- if (argspecs[argidx].arg_pos != -1 )
- argspecs[argidx].arg_pos = ++max_pos;
- }
- }
- else
- {
- /* Check that they are all filled. More test are done later. */
- for (argidx=0; argidx < argspecs_len; argidx++)
- {
- if (!argspecs[argidx].arg_pos
- || (argspecs[argidx].width == STAR_FIELD_VALUE
- && !argspecs[argidx].width_pos)
- || (argspecs[argidx].precision == STAR_FIELD_VALUE
- && !argspecs[argidx].precision_pos))
- goto leave_einval;
- }
- }
- /* Check that there is no overflow in max_pos and that it has a
- reasonable length. There may never be more elements than the
- number of characters in FORMAT. */
- if (max_pos < 0 || max_pos >= strlen (format))
- goto leave_einval;
-
-#ifdef DEBUG
- dump_argspecs (argspecs, argspecs_len);
-#endif
-
- /* Allocate a table to hold the values. If it is small enough we
- use a stack allocated buffer. */
- if (max_pos > DIM(valuetable_buffer))
- {
- valuetable = calloc (max_pos, sizeof *valuetable);
- if (!valuetable)
- goto leave_error;
- }
- else
- {
- for (validx=0; validx < DIM(valuetable_buffer); validx++)
- valuetable[validx].vt = VALTYPE_UNSUPPORTED;
- }
- for (argidx=0; argidx < argspecs_len; argidx++)
- {
- if (argspecs[argidx].arg_pos != - 1)
- {
- validx = argspecs[argidx].arg_pos - 1;
- if (valuetable[validx].vt)
- goto leave_einval; /* Already defined. */
- valuetable[validx].vt = argspecs[argidx].vt;
- }
- if (argspecs[argidx].width == STAR_FIELD_VALUE)
- {
- validx = argspecs[argidx].width_pos - 1;
- if (valuetable[validx].vt)
- goto leave_einval; /* Already defined. */
- valuetable[validx].vt = VALTYPE_INT;
- }
- if (argspecs[argidx].precision == STAR_FIELD_VALUE)
- {
- validx = argspecs[argidx].precision_pos - 1;
- if (valuetable[validx].vt)
- goto leave_einval; /* Already defined. */
- valuetable[validx].vt = VALTYPE_INT;
- }
- }
-
- /* Read all the arguments. This will error out for unsupported
- types and for not given positional arguments. */
- rc = read_values (valuetable, max_pos, vaargs);
- if (rc)
- goto leave_einval;
-
-/* for (validx=0; validx < max_pos; validx++) */
-/* fprintf (stderr, "%2d: vt=%d\n", validx, valuetable[validx].vt); */
-
- /* Everything has been collected, go ahead with the formatting. */
- rc = do_format (outfnc, outfncarg, format,
- argspecs, argspecs_len, valuetable, myerrno, &nbytes);
-
- goto leave;
-
- leave_einval:
- _set_errno (EINVAL);
- leave_error:
- rc = -1;
- leave:
- if (valuetable != valuetable_buffer)
- free (valuetable);
- if (argspecs != argspecs_buffer)
- free (argspecs);
- return rc;
-}
-
-
-
-
-/* A simple output handler utilizing stdio. */
-static int
-plain_stdio_out (void *outfncarg, const char *buf, size_t buflen)
-{
- FILE *fp = (FILE*)outfncarg;
-
- if ( fwrite (buf, buflen, 1, fp) != 1 )
- return -1;
- return 0;
-}
-
-
-/* A replacement for printf. */
-int
-estream_printf (const char *format, ...)
-{
- int rc;
- va_list arg_ptr;
-
- va_start (arg_ptr, format);
- rc = estream_format (plain_stdio_out, stderr, format, arg_ptr);
- va_end (arg_ptr);
-
- return rc;
-}
-
-/* A replacement for fprintf. */
-int
-estream_fprintf (FILE *fp, const char *format, ...)
-{
- int rc;
- va_list arg_ptr;
-
- va_start (arg_ptr, format);
- rc = estream_format (plain_stdio_out, fp, format, arg_ptr);
- va_end (arg_ptr);
-
- return rc;
-}
-
-/* A replacement for vfprintf. */
-int
-estream_vfprintf (FILE *fp, const char *format, va_list arg_ptr)
-{
- return estream_format (plain_stdio_out, fp, format, arg_ptr);
-}
-
-
-
-/* Communication object used between estream_snprintf and
- fixed_buffer_out. */
-struct fixed_buffer_parm_s
-{
- size_t size; /* Size of the buffer. */
- size_t count; /* Number of bytes requested for output. */
- size_t used; /* Used size of the buffer. */
- char *buffer; /* Provided buffer. */
-};
-
-/* A simple malloced buffer output handler. */
-static int
-fixed_buffer_out (void *outfncarg, const char *buf, size_t buflen)
-{
- struct fixed_buffer_parm_s *parm = outfncarg;
-
- parm->count += buflen;
-
- if (!parm->buffer)
- ;
- else if (parm->used + buflen < parm->size)
- {
- /* Handle the common case that everything fits into the buffer
- separately. */
- memcpy (parm->buffer + parm->used, buf, buflen);
- parm->used += buflen;
- }
- else
- {
- /* The slow version of above. */
- for ( ;buflen && parm->used < parm->size; buflen--)
- parm->buffer[parm->used++] = *buf++;
- }
-
- return 0;
-}
-
-
-/* A replacement for vsnprintf. */
-int
-estream_vsnprintf (char *buf, size_t bufsize,
- const char *format, va_list arg_ptr)
-{
- struct fixed_buffer_parm_s parm;
- int rc;
-
- parm.size = bufsize;
- parm.count = 0;
- parm.used = 0;
- parm.buffer = bufsize?buf:NULL;
- rc = estream_format (fixed_buffer_out, &parm, format, arg_ptr);
- if (!rc)
- rc = fixed_buffer_out (&parm, "", 1); /* Print terminating Nul. */
- if (rc == -1)
- return -1;
- if (bufsize && buf && parm.size && parm.count >= parm.size)
- buf[parm.size-1] = 0;
-
- parm.count--; /* Do not count the trailing nul. */
- return (int)parm.count; /* Return number of bytes which would have
- been written. */
-}
-
-/* A replacement for snprintf. */
-int
-estream_snprintf (char *buf, size_t bufsize, const char *format, ...)
-{
- int rc;
- va_list arg_ptr;
-
- va_start (arg_ptr, format);
- rc = estream_vsnprintf (buf, bufsize, format, arg_ptr);
- va_end (arg_ptr);
-
- return rc;
-}
-
-
-
-/* Communication object used between estream_asprintf and
- dynamic_buffer_out. */
-struct dynamic_buffer_parm_s
-{
- int error_flag; /* Internal helper. */
- size_t alloced; /* Allocated size of the buffer. */
- size_t used; /* Used size of the buffer. */
- char *buffer; /* Malloced buffer. */
-};
-
-/* A simple malloced buffer output handler. */
-static int
-dynamic_buffer_out (void *outfncarg, const char *buf, size_t buflen)
-{
- struct dynamic_buffer_parm_s *parm = outfncarg;
-
- if (parm->error_flag)
- {
- /* Just in case some formatting routine did not checked for an
- error. */
- _set_errno (parm->error_flag);
- return -1;
- }
-
- if (parm->used + buflen >= parm->alloced)
- {
- char *p;
-
- parm->alloced += buflen + 512;
- p = my_printf_realloc (parm->buffer, parm->alloced);
- if (!p)
- {
- parm->error_flag = errno ? errno : ENOMEM;
- /* Wipe out what we already accumulated. This is useful in
- case sensitive data is formated. */
- memset (parm->buffer, 0, parm->used);
- return -1;
- }
- parm->buffer = p;
- }
- memcpy (parm->buffer + parm->used, buf, buflen);
- parm->used += buflen;
-
- return 0;
-}
-
-
-/* A replacement for vasprintf. As with the BSD of vasprintf version -1
- will be returned on error and NULL stored at BUFP. On success the
- number of bytes printed will be returned. */
-int
-estream_vasprintf (char **bufp, const char *format, va_list arg_ptr)
-{
- struct dynamic_buffer_parm_s parm;
- int rc;
-
- parm.error_flag = 0;
- parm.alloced = 512;
- parm.used = 0;
- parm.buffer = my_printf_realloc (NULL, parm.alloced);
- if (!parm.buffer)
- {
- *bufp = NULL;
- return -1;
- }
-
- rc = estream_format (dynamic_buffer_out, &parm, format, arg_ptr);
- if (!rc)
- rc = dynamic_buffer_out (&parm, "", 1); /* Print terminating Nul. */
- /* Fixme: Should we shrink the resulting buffer? */
- if (rc != -1 && parm.error_flag)
- {
- rc = -1;
- _set_errno (parm.error_flag);
- }
- if (rc == -1)
- {
- memset (parm.buffer, 0, parm.used);
- if (parm.buffer)
- my_printf_realloc (parm.buffer, 0);
- *bufp = NULL;
- return -1;
- }
- assert (parm.used); /* We have at least the terminating Nul. */
- *bufp = parm.buffer;
- return parm.used - 1; /* Do not include that Nul. */
-}
-
-/* A replacement for asprintf. As with the BSD of asprintf version -1
- will be returned on error and NULL stored at BUFP. On success the
- number of bytes printed will be returned. */
-int
-estream_asprintf (char **bufp, const char *format, ...)
-{
- int rc;
- va_list arg_ptr;
-
- va_start (arg_ptr, format);
- rc = estream_vasprintf (bufp, format, arg_ptr);
- va_end (arg_ptr);
-
- return rc;
-}