1 /* Copyright (c) 2002,2004,2005 Joerg Wunsch
2 Copyright (c) 2008 Dmitry Xmelkov
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7
8 * Redistributions of source code must retain the above copyright
9 notice, this list of conditions and the following disclaimer.
10
11 * Redistributions in binary form must reproduce the above copyright
12 notice, this list of conditions and the following disclaimer in
13 the documentation and/or other materials provided with the
14 distribution.
15
16 * Neither the name of the copyright holders nor the names of
17 contributors may be used to endorse or promote products derived
18 from this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _SCANF_PRIVATE_H_
34 #define _SCANF_PRIVATE_H_
35
36 #if !defined (SCANF_LEVEL)
37 # define SCANF_LEVEL SCANF_FLT
38 # ifndef FORMAT_DEFAULT_DOUBLE
39 # define vfscanf __d_vfscanf
40 # endif
41 #endif
42
43 #if SCANF_LEVEL == SCANF_STD
44 # define SCANF_BRACKET 1
45 # define SCANF_FLOAT 0
46 int vfscanf (FILE * stream, const char *fmt, va_list ap) __attribute__((weak));
47 #elif SCANF_LEVEL == SCANF_FLT
48 # define SCANF_BRACKET 1
49 # define SCANF_FLOAT 1
50 #else
51 # error "Not a known scanf level."
52 #endif
53
54 #define CASE_CONVERT ('a' - 'A')
55 #define TOLOWER(c) ((c) | CASE_CONVERT)
56
57 static inline int
ISSPACE(int c)58 ISSPACE(int c)
59 {
60 return ('\011' <= c && c <= '\015') || c == ' ';
61 }
62
63 static inline int
ISDIGIT(int c)64 ISDIGIT(int c)
65 {
66 return '0' <= c && c <= '9';
67 }
68
69 typedef unsigned int width_t;
70
71 #define FL_STAR 0x01 /* '*': skip assignment */
72 #define FL_WIDTH 0x02 /* width is present */
73 #define FL_LONG 0x04 /* 'long' type modifier */
74 #define FL_LONGLONG 0x08 /* 'long long' type modifier */
75 #define FL_CHAR 0x10 /* 'char' type modifier */
76 #define FL_SHORT 0x20 /* 'short' type modifier */
77 #define FL_MINUS 0x40 /* minus flag (field or value) */
78 #define FL_ANY 0x80 /* any digit was read */
79 #define FL_OVFL 0x100 /* significand overflowed */
80 #define FL_DOT 0x200 /* decimal '.' was */
81 #define FL_MEXP 0x400 /* exponent 'e' is neg. */
82 #define FL_FHEX 0x800 /* hex significand */
83
84 #ifndef __AVR_HAVE_LPMX__
85 # if defined(__AVR_ENHANCED__) && __AVR_ENHANCED__
86 # define __AVR_HAVE_LPMX__ 1
87 # endif
88 #endif
89
90 #ifndef __AVR_HAVE_MOVW__
91 # if defined(__AVR_ENHANCED__) && __AVR_ENHANCED__
92 # define __AVR_HAVE_MOVW__ 1
93 # endif
94 #endif
95
96 #endif /* _SCANF_PRIVATE_H_ */
97
