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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __VSPRINTF_H
#define __VSPRINTF_H
ulong simple_strtoul(const char *cp, char **endp, unsigned int base);
/**
* strict_strtoul - convert a string to an unsigned long strictly
* @param cp The string to be converted
* @param base The number base to use
* @param res The converted result value
* @return 0 if conversion is successful and *res is set to the converted
* value, otherwise it returns -EINVAL and *res is set to 0.
*
* strict_strtoul converts a string to an unsigned long only if the
* string is really an unsigned long string, any string containing
* any invalid char at the tail will be rejected and -EINVAL is returned,
* only a newline char at the tail is acceptible because people generally
* change a module parameter in the following way:
*
* echo 1024 > /sys/module/e1000/parameters/copybreak
*
* echo will append a newline to the tail.
*
* simple_strtoul just ignores the successive invalid characters and
* return the converted value of prefix part of the string.
*
* Copied this function from Linux 2.6.38 commit ID:
* 521cb40b0c44418a4fd36dc633f575813d59a43d
*
*/
int strict_strtoul(const char *cp, unsigned int base, unsigned long *res);
unsigned long long simple_strtoull(const char *cp, char **endp,
unsigned int base);
long simple_strtol(const char *cp, char **endp, unsigned int base);
/**
* panic() - Print a message and reset/hang
*
* Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
* defined, then it will hang instead of reseting.
*
* @param fmt: printf() format string for message, which should not include
* \n, followed by arguments
*/
void panic(const char *fmt, ...)
__attribute__ ((format (__printf__, 1, 2), noreturn));
/**
* panic_str() - Print a message and reset/hang
*
* Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
* defined, then it will hang instead of reseting.
*
* This function can be used instead of panic() when your board does not
* already use printf(), * to keep code size small.
*
* @param fmt: string to display, which should not include \n
*/
void panic_str(const char *str) __attribute__ ((noreturn));
/**
* Format a string and place it in a buffer
*
* @param buf The buffer to place the result into
* @param fmt The format string to use
* @param ... Arguments for the format string
*
* The function returns the number of characters written
* into @buf.
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int sprintf(char *buf, const char *fmt, ...)
__attribute__ ((format (__printf__, 2, 3)));
/**
* Format a string and place it in a buffer (va_list version)
*
* @param buf The buffer to place the result into
* @param size The size of the buffer, including the trailing null space
* @param fmt The format string to use
* @param args Arguments for the format string
* @return the number of characters which have been written into
* the @buf not including the trailing '\0'. If @size is == 0 the function
* returns 0.
*
* If you're not already dealing with a va_list consider using scnprintf().
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int vsprintf(char *buf, const char *fmt, va_list args);
char *simple_itoa(ulong i);
#ifdef CONFIG_SYS_VSNPRINTF
/**
* Format a string and place it in a buffer
*
* @param buf The buffer to place the result into
* @param size The size of the buffer, including the trailing null space
* @param fmt The format string to use
* @param ... Arguments for the format string
* @return the number of characters which would be
* generated for the given input, excluding the trailing null,
* as per ISO C99. If the return is greater than or equal to
* @size, the resulting string is truncated.
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int snprintf(char *buf, size_t size, const char *fmt, ...)
__attribute__ ((format (__printf__, 3, 4)));
/**
* Format a string and place it in a buffer
*
* @param buf The buffer to place the result into
* @param size The size of the buffer, including the trailing null space
* @param fmt The format string to use
* @param ... Arguments for the format string
*
* The return value is the number of characters written into @buf not including
* the trailing '\0'. If @size is == 0 the function returns 0.
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int scnprintf(char *buf, size_t size, const char *fmt, ...)
__attribute__ ((format (__printf__, 3, 4)));
/**
* Format a string and place it in a buffer (base function)
*
* @param buf The buffer to place the result into
* @param size The size of the buffer, including the trailing null space
* @param fmt The format string to use
* @param args Arguments for the format string
* @return The number characters which would be generated for the given
* input, excluding the trailing '\0', as per ISO C99. Note that fewer
* characters may be written if this number of characters is >= size.
*
* This function follows C99 vsnprintf, but has some extensions:
* %pS output the name of a text symbol
* %pF output the name of a function pointer
* %pR output the address range in a struct resource
*
* The function returns the number of characters which would be
* generated for the given input, excluding the trailing '\0',
* as per ISO C99.
*
* Call this function if you are already dealing with a va_list.
* You probably want snprintf() instead.
*/
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
/**
* Format a string and place it in a buffer (va_list version)
*
* @param buf The buffer to place the result into
* @param size The size of the buffer, including the trailing null space
* @param fmt The format string to use
* @param args Arguments for the format string
* @return the number of characters which have been written into
* the @buf not including the trailing '\0'. If @size is == 0 the function
* returns 0.
*
* If you're not already dealing with a va_list consider using scnprintf().
*
* See the vsprintf() documentation for format string extensions over C99.
*/
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
#else
/*
* Use macros to silently drop the size parameter. Note that the 'cn'
* versions are the same as the 'n' versions since the functions assume
* there is always enough buffer space when !CONFIG_SYS_VSNPRINTF
*/
#define snprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
#define scnprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
#define vsnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
#define vscnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
#endif /* CONFIG_SYS_VSNPRINTF */
/**
* print_grouped_ull() - print a value with digits grouped by ','
*
* This prints a value with grouped digits, like 12,345,678 to make it easier
* to read.
*
* @val: Value to print
* @digits: Number of digiits to print
*/
void print_grouped_ull(unsigned long long int_val, int digits);
bool str2off(const char *p, loff_t *num);
bool str2long(const char *p, ulong *num);
#endif
|
