source: grub-pc/trunk/fuentes/grub-core/gnulib/printf-parse.h @ 22

Last change on this file since 22 was 22, checked in by mabarracus, 4 years ago

updated version and apply net.ifnames=0 into debian/rules

File size: 5.1 KB
Line 
1/* Parse printf format string.
2   Copyright (C) 1999, 2002-2003, 2005, 2007, 2010-2013 Free Software
3   Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License along
16   with this program; if not, see <http://www.gnu.org/licenses/>.  */
17
18#ifndef _PRINTF_PARSE_H
19#define _PRINTF_PARSE_H
20
21/* This file can be parametrized with the following macros:
22     ENABLE_UNISTDIO    Set to 1 to enable the unistdio extensions.
23     STATIC             Set to 'static' to declare the function static.  */
24
25#if HAVE_FEATURES_H
26# include <features.h> /* for __GLIBC__, __UCLIBC__ */
27#endif
28
29#include "printf-args.h"
30
31
32/* Flags */
33#define FLAG_GROUP       1      /* ' flag */
34#define FLAG_LEFT        2      /* - flag */
35#define FLAG_SHOWSIGN    4      /* + flag */
36#define FLAG_SPACE       8      /* space flag */
37#define FLAG_ALT        16      /* # flag */
38#define FLAG_ZERO       32
39#if __GLIBC__ >= 2 && !defined __UCLIBC__
40# define FLAG_LOCALIZED 64      /* I flag, uses localized digits */
41#endif
42
43/* arg_index value indicating that no argument is consumed.  */
44#define ARG_NONE        (~(size_t)0)
45
46/* xxx_directive: A parsed directive.
47   xxx_directives: A parsed format string.  */
48
49/* Number of directly allocated directives (no malloc() needed).  */
50#define N_DIRECT_ALLOC_DIRECTIVES 7
51
52/* A parsed directive.  */
53typedef struct
54{
55  const char* dir_start;
56  const char* dir_end;
57  int flags;
58  const char* width_start;
59  const char* width_end;
60  size_t width_arg_index;
61  const char* precision_start;
62  const char* precision_end;
63  size_t precision_arg_index;
64  char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
65  size_t arg_index;
66}
67char_directive;
68
69/* A parsed format string.  */
70typedef struct
71{
72  size_t count;
73  char_directive *dir;
74  size_t max_width_length;
75  size_t max_precision_length;
76  char_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
77}
78char_directives;
79
80#if ENABLE_UNISTDIO
81
82/* A parsed directive.  */
83typedef struct
84{
85  const uint8_t* dir_start;
86  const uint8_t* dir_end;
87  int flags;
88  const uint8_t* width_start;
89  const uint8_t* width_end;
90  size_t width_arg_index;
91  const uint8_t* precision_start;
92  const uint8_t* precision_end;
93  size_t precision_arg_index;
94  uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
95  size_t arg_index;
96}
97u8_directive;
98
99/* A parsed format string.  */
100typedef struct
101{
102  size_t count;
103  u8_directive *dir;
104  size_t max_width_length;
105  size_t max_precision_length;
106  u8_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
107}
108u8_directives;
109
110/* A parsed directive.  */
111typedef struct
112{
113  const uint16_t* dir_start;
114  const uint16_t* dir_end;
115  int flags;
116  const uint16_t* width_start;
117  const uint16_t* width_end;
118  size_t width_arg_index;
119  const uint16_t* precision_start;
120  const uint16_t* precision_end;
121  size_t precision_arg_index;
122  uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
123  size_t arg_index;
124}
125u16_directive;
126
127/* A parsed format string.  */
128typedef struct
129{
130  size_t count;
131  u16_directive *dir;
132  size_t max_width_length;
133  size_t max_precision_length;
134  u16_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
135}
136u16_directives;
137
138/* A parsed directive.  */
139typedef struct
140{
141  const uint32_t* dir_start;
142  const uint32_t* dir_end;
143  int flags;
144  const uint32_t* width_start;
145  const uint32_t* width_end;
146  size_t width_arg_index;
147  const uint32_t* precision_start;
148  const uint32_t* precision_end;
149  size_t precision_arg_index;
150  uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
151  size_t arg_index;
152}
153u32_directive;
154
155/* A parsed format string.  */
156typedef struct
157{
158  size_t count;
159  u32_directive *dir;
160  size_t max_width_length;
161  size_t max_precision_length;
162  u32_directive direct_alloc_dir[N_DIRECT_ALLOC_DIRECTIVES];
163}
164u32_directives;
165
166#endif
167
168
169/* Parses the format string.  Fills in the number N of directives, and fills
170   in directives[0], ..., directives[N-1], and sets directives[N].dir_start
171   to the end of the format string.  Also fills in the arg_type fields of the
172   arguments and the needed count of arguments.  */
173#if ENABLE_UNISTDIO
174extern int
175       ulc_printf_parse (const char *format, char_directives *d, arguments *a);
176extern int
177       u8_printf_parse (const uint8_t *format, u8_directives *d, arguments *a);
178extern int
179       u16_printf_parse (const uint16_t *format, u16_directives *d,
180                         arguments *a);
181extern int
182       u32_printf_parse (const uint32_t *format, u32_directives *d,
183                         arguments *a);
184#else
185# ifdef STATIC
186STATIC
187# else
188extern
189# endif
190int printf_parse (const char *format, char_directives *d, arguments *a);
191#endif
192
193#endif /* _PRINTF_PARSE_H */
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