1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* ISC license. */
#ifndef FMTSCAN_INTERNAL_H
#define FMTSCAN_INTERNAL_H
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <skalibs/fmtscan.h>
#define SCANB(bits) \
size_t uint##bits##_scan_base (char const *s, uint##bits##_t *u, unsigned int base) \
{ \
static uint##bits##_t const max = UINT##bits##_MAX ; \
uint##bits##_t result = 0 ; \
size_t pos = 0 ; \
for (;; pos++) \
{ \
unsigned char c = fmtscan_num(s[pos], base) ; \
if ((c >= base) || (result > ((max - c) / base))) break ; \
result = result * base + c ; \
} \
if (pos) *u = result ; \
return pos ; \
} \
#define SCANB0(bits) \
size_t uint##bits##0_scan_base (char const *s, uint##bits##_t *u, unsigned int base) \
{ \
size_t pos = uint##bits##_scan_base(s, u, base) ; \
if (!pos) return (errno = EINVAL, 0) ; \
if (!s[pos]) return pos ; \
errno = (fmtscan_num(s[pos], base) < base) ? EDOM : EINVAL ; \
return 0 ; \
} \
#define SCANS(bits) \
size_t int##bits##_scan (char const *s, int##bits##_t *n) \
{ \
uint##bits##_t tmp ; \
size_t r = 0 ; \
unsigned int sign = 0 ; \
if (*s == '-') \
{ \
r = 1 + uint##bits##_scan(s+1, &tmp) ; \
if (r == 1) return 0 ; \
if (tmp == 0) *n = 0 ; \
else \
{ \
if (tmp-1 > -(INT##bits##_MIN+1)) \
{ \
tmp /= 10 ; \
r-- ; \
} \
*n = INT##bits##_MIN + (-(INT##bits##_MIN+1) - (tmp-1)) ; \
} \
return r ; \
} \
if (*s == '+') (s++, sign++) ; \
r = uint##bits##_scan(s, &tmp) ; \
if (!r) return 0 ; \
r += sign ; \
if (tmp > INT##bits##_MAX) \
{ \
tmp /= 10 ; \
r-- ; \
} \
*n = tmp ; \
return r ; \
} \
#define SCANS0(bits) \
size_t int##bits##0_scan (char const *s, int##bits##_t *u) \
{ \
size_t pos = int##bits##_scan(s, u) ; \
if (!pos) return (errno = EINVAL, 0) ; \
if (!s[pos]) return pos ; \
errno = (fmtscan_num(s[pos], 10) < 10) ? EDOM : EINVAL ; \
return 0 ; \
} \
#define SCANL(bits) \
size_t uint##bits##_scanlist (uint##bits##_t *tab, size_t max, char const *s, size_t *num) \
{ \
size_t i = 0, len = 0 ; \
for (; s[len] && (i < max) ; i++) \
{ \
size_t w = uint##bits##_scan(s + len, tab + i) ; \
if (!w) break ; \
len += w ; \
while (memchr(",:; \t\r\n", s[len], 7)) len++ ; \
} \
*num = i ; \
return len ; \
} \
#define SCANSL(bits) \
size_t int##bits##_scanlist (int##bits##_t *tab, size_t max, char const *s, size_t *num) \
{ \
size_t i = 0, len = 0 ; \
for (; s[len] && (i < max) ; i++) \
{ \
size_t w = int##bits##_scan(s + len, tab + i) ; \
if (!w) break ; \
len += w ; \
while (memchr(",:; \t\r\n", s[len], 7)) len++ ; \
} \
*num = i ; \
return len ; \
} \
#define FMTL(bits) \
size_t uint##bits##_fmtlist (char *s, uint##bits##_t const *tab, size_t n) \
{ \
size_t i = 0, len = 0 ; \
for (; i < n ; i++) \
{ \
size_t w = uint##bits##_fmt(s, tab[i]) ; \
len += w ; \
if (s) s += w ; \
if (i < n-1) { len++ ; if (s) *s++ = ',' ; } \
} \
return len ; \
} \
#define FMTB(bits) \
size_t uint##bits##_fmt_base (char *s, uint##bits##_t x, unsigned int base) \
{ \
size_t len = 1 ; \
{ \
uint##bits##_t q = x ; \
while (q >= base) { len++ ; q /= base ; } \
} \
if (s) \
{ \
s += len ; \
do { *--s = fmtscan_asc(x % base) ; x /= base ; } while (x) ; \
} \
return len ; \
} \
#define FMTB0(bits) \
size_t uint##bits##0_fmt_base (char *s, uint##bits##_t x, size_t n, unsigned int base) \
{ \
size_t r = n ; \
size_t len = uint##bits##_fmt_base(0, x, base) ; \
if (s) \
{ \
while (n-- > len) *s++ = '0' ; \
len = uint##bits##_fmt_base(s, x, base) ; \
} \
return len > r ? len : r ; \
} \
#define FMTS(bits) \
size_t int##bits##_fmt (char *fmt, int##bits##_t n) \
{ \
if (n >= 0) return uint##bits##_fmt(fmt, n) ; \
if (fmt) *fmt++ = '-' ; \
return 1 + uint##bits##_fmt(fmt, -n) ; \
} \
#define FMTSL(bits) \
size_t int##bits##_fmtlist (char *s, int##bits##_t const *tab, size_t n) \
{ \
size_t i = 0, len = 0 ; \
for (; i < n ; i++) \
{ \
size_t w = int##bits##_fmt(s, tab[i]) ; \
len += w ; \
if (s) s += w ; \
if (i < n-1) { len++ ; if (s) *s++ = ',' ; } \
} \
return len ; \
} \
#endif
|
