-
Notifications
You must be signed in to change notification settings - Fork 0
/
argz.h
187 lines (158 loc) · 7.14 KB
/
argz.h
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
/* Routines for dealing with '\0' separated arg vectors.
Copyright (C) 1995,96,97,98,99,2000,2004,2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _ARGZ_H
#define _ARGZ_H 1
#include <features.h>
#define __need_error_t
#include <errno.h>
#include <string.h> /* Need size_t, and strchr is called below. */
#ifndef __const
# define __const const
#endif
#ifndef __error_t_defined
typedef int error_t;
#endif
__BEGIN_DECLS
/* Make a '\0' separated arg vector from a unix argv vector, returning it in
ARGZ, and the total length in LEN. If a memory allocation error occurs,
ENOMEM is returned, otherwise 0. The result can be destroyed using free. */
extern error_t __argz_create (char *__const __argv[], char **__restrict __argz,
size_t *__restrict __len) __THROW;
extern error_t argz_create (char *__const __argv[], char **__restrict __argz,
size_t *__restrict __len) __THROW;
/* Make a '\0' separated arg vector from a SEP separated list in
STRING, returning it in ARGZ, and the total length in LEN. If a
memory allocation error occurs, ENOMEM is returned, otherwise 0.
The result can be destroyed using free. */
extern error_t __argz_create_sep (__const char *__restrict __string,
int __sep, char **__restrict __argz,
size_t *__restrict __len) __THROW;
extern error_t argz_create_sep (__const char *__restrict __string,
int __sep, char **__restrict __argz,
size_t *__restrict __len) __THROW;
/* Returns the number of strings in ARGZ. */
extern size_t __argz_count (__const char *__argz, size_t __len)
__THROW __attribute_pure__;
extern size_t argz_count (__const char *__argz, size_t __len)
__THROW __attribute_pure__;
/* Puts pointers to each string in ARGZ into ARGV, which must be large enough
to hold them all. */
extern void __argz_extract (__const char *__restrict __argz, size_t __len,
char **__restrict __argv) __THROW;
extern void argz_extract (__const char *__restrict __argz, size_t __len,
char **__restrict __argv) __THROW;
/* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
except the last into the character SEP. */
extern void __argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
extern void argz_stringify (char *__argz, size_t __len, int __sep) __THROW;
/* Append BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
extern error_t __argz_append (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __buf, size_t _buf_len)
__THROW;
extern error_t argz_append (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __buf, size_t __buf_len)
__THROW;
/* Append STR to the argz vector in ARGZ & ARGZ_LEN. */
extern error_t __argz_add (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __str) __THROW;
extern error_t argz_add (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __str) __THROW;
/* Append SEP separated list in STRING to the argz vector in ARGZ &
ARGZ_LEN. */
extern error_t __argz_add_sep (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __string, int __delim)
__THROW;
extern error_t argz_add_sep (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __string, int __delim)
__THROW;
/* Delete ENTRY from ARGZ & ARGZ_LEN, if it appears there. */
extern void __argz_delete (char **__restrict __argz,
size_t *__restrict __argz_len,
char *__restrict __entry) __THROW;
extern void argz_delete (char **__restrict __argz,
size_t *__restrict __argz_len,
char *__restrict __entry) __THROW;
/* Insert ENTRY into ARGZ & ARGZ_LEN before BEFORE, which should be an
existing entry in ARGZ; if BEFORE is NULL, ENTRY is appended to the end.
Since ARGZ's first entry is the same as ARGZ, argz_insert (ARGZ, ARGZ_LEN,
ARGZ, ENTRY) will insert ENTRY at the beginning of ARGZ. If BEFORE is not
in ARGZ, EINVAL is returned, else if memory can't be allocated for the new
ARGZ, ENOMEM is returned, else 0. */
extern error_t __argz_insert (char **__restrict __argz,
size_t *__restrict __argz_len,
char *__restrict __before,
__const char *__restrict __entry) __THROW;
extern error_t argz_insert (char **__restrict __argz,
size_t *__restrict __argz_len,
char *__restrict __before,
__const char *__restrict __entry) __THROW;
/* Replace any occurrences of the string STR in ARGZ with WITH, reallocating
ARGZ as necessary. If REPLACE_COUNT is non-zero, *REPLACE_COUNT will be
incremented by number of replacements performed. */
extern error_t __argz_replace (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __str,
__const char *__restrict __with,
unsigned int *__restrict __replace_count);
extern error_t argz_replace (char **__restrict __argz,
size_t *__restrict __argz_len,
__const char *__restrict __str,
__const char *__restrict __with,
unsigned int *__restrict __replace_count);
/* Returns the next entry in ARGZ & ARGZ_LEN after ENTRY, or NULL if there
are no more. If entry is NULL, then the first entry is returned. This
behavior allows two convenient iteration styles:
char *entry = 0;
while ((entry = argz_next (argz, argz_len, entry)))
...;
or
char *entry;
for (entry = argz; entry; entry = argz_next (argz, argz_len, entry))
...;
*/
extern char *__argz_next (__const char *__restrict __argz, size_t __argz_len,
__const char *__restrict __entry) __THROW;
extern char *argz_next (__const char *__restrict __argz, size_t __argz_len,
__const char *__restrict __entry) __THROW;
#ifdef __USE_EXTERN_INLINES
__extern_inline char *
__NTH (__argz_next (__const char *__argz, size_t __argz_len,
__const char *__entry))
{
if (__entry)
{
if (__entry < __argz + __argz_len)
__entry = strchr (__entry, '\0') + 1;
return __entry >= __argz + __argz_len ? (char *) NULL : (char *) __entry;
}
else
return __argz_len > 0 ? (char *) __argz : 0;
}
__extern_inline char *
__NTH (argz_next (__const char *__argz, size_t __argz_len,
__const char *__entry))
{
return __argz_next (__argz, __argz_len, __entry);
}
#endif /* Use extern inlines. */
__END_DECLS
#endif /* argz.h */