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
|
#ifndef STRING_H
#define STRING_H
#include <stddef.h>
#include <stdlib.h>
/* Stringify a token */
#ifndef STRINGIFY
#define _STRINGIFY(x) #x
#define STRINGIFY(x) _STRINGIFY(x)
#endif
void *memcpy(void *dest, const void *src, size_t n);
void *memmove(void *dest, const void *src, size_t n);
void *memset(void *s, int c, size_t n);
int memcmp(const void *s1, const void *s2, size_t n);
void *memchr(const void *s, int c, size_t n);
#if !defined(__ROMCC__)
int snprintf(char *buf, size_t size, const char *fmt, ...);
#endif
// simple string functions
static inline size_t strnlen(const char *src, size_t max)
{
size_t i = 0;
while ((*src++) && (i < max))
i++;
return i;
}
static inline size_t strlen(const char *src)
{
size_t i = 0;
while (*src++)
i++;
return i;
}
static inline char *strchr(const char *s, int c)
{
for (; *s; s++) {
if (*s == c)
return (char *) s;
}
return 0;
}
#if !defined(__PRE_RAM__)
static inline char *strdup(const char *s)
{
size_t sz = strlen(s) + 1;
char *d = malloc(sz);
memcpy(d, s, sz);
return d;
}
static inline char *strconcat(const char *s1, const char *s2)
{
size_t sz_1 = strlen(s1);
size_t sz_2 = strlen(s2);
char *d = malloc(sz_1 + sz_2 + 1);
memcpy(d, s1, sz_1);
memcpy(d + sz_1, s2, sz_2 + 1);
return d;
}
#endif
static inline char *strncpy(char *to, const char *from, int count)
{
register char *ret = to;
while (count > 0) {
count--;
if ((*to++ = *from++) == '\0')
break;
}
while (count > 0) {
count--;
*to++ = '\0';
}
return ret;
}
static inline char *strcpy(char *dst, const char *src)
{
char *ptr = dst;
while (*src)
*dst++ = *src++;
*dst = '\0';
return ptr;
}
static inline int strcmp(const char *s1, const char *s2)
{
int r;
while ((r = (*s1 - *s2)) == 0 && *s1) {
s1++;
s2++;
}
return r;
}
static inline int strncmp(const char *s1, const char *s2, int maxlen)
{
int i;
for (i = 0; i < maxlen; i++) {
if ((s1[i] != s2[i]) || (s1[i] == '\0'))
return s1[i] - s2[i];
}
return 0;
}
static inline int isspace(int c)
{
switch (c) {
case ' ': case '\f': case '\n':
case '\r': case '\t': case '\v':
return 1;
default:
return 0;
}
}
static inline int isdigit(int c)
{
return (c >= '0' && c <= '9');
}
static inline int isxdigit(int c)
{
return ((c >= '0' && c <= '9') ||
(c >= 'a' && c <= 'f') ||
(c >= 'A' && c <= 'F'));
}
static inline int isupper(int c)
{
return (c >= 'A' && c <= 'Z');
}
static inline int islower(int c)
{
return (c >= 'a' && c <= 'z');
}
static inline int toupper(int c)
{
if (islower(c))
c -= 'a'-'A';
return c;
}
static inline int tolower(int c)
{
if (isupper(c))
c -= 'A'-'a';
return c;
}
#endif /* STRING_H */
|
