xref: /illumos-gate/usr/src/uts/common/sys/ilstr.h (revision b210e77709da8e42dfe621e10ccf4be504206058)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2023 Oxide Computer Company
14  */
15 
16 #ifndef _SYS_ILSTR_H
17 #define	_SYS_ILSTR_H
18 
19 #ifdef _KERNEL
20 #include <sys/types.h>
21 #include <sys/varargs.h>
22 #else
23 #include <stdarg.h>
24 #endif
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 typedef enum ilstr_errno {
31 	ILSTR_ERROR_OK = 0,
32 	ILSTR_ERROR_NOMEM,
33 	ILSTR_ERROR_OVERFLOW,
34 	ILSTR_ERROR_PRINTF,
35 } ilstr_errno_t;
36 
37 typedef enum ilstr_flag {
38 	ILSTR_FLAG_PREALLOC = (1 << 0),
39 } ilstr_flag_t;
40 
41 typedef struct ilstr {
42 	char *ils_data;
43 	size_t ils_datalen;
44 	size_t ils_strlen;
45 	ilstr_errno_t ils_errno;
46 	int ils_kmflag;
47 	ilstr_flag_t ils_flag;
48 } ilstr_t;
49 
50 extern void ilstr_init(ilstr_t *, int);
51 extern void ilstr_init_prealloc(ilstr_t *, char *, size_t);
52 extern void ilstr_reset(ilstr_t *);
53 extern void ilstr_fini(ilstr_t *);
54 extern void ilstr_append_str(ilstr_t *, const char *);
55 extern void ilstr_append_char(ilstr_t *, char);
56 extern ilstr_errno_t ilstr_errno(ilstr_t *);
57 extern const char *ilstr_cstr(ilstr_t *);
58 extern size_t ilstr_len(ilstr_t *);
59 extern const char *ilstr_errstr(ilstr_t *);
60 void ilstr_aprintf(ilstr_t *, const char *, ...);
61 void ilstr_vaprintf(ilstr_t *, const char *, va_list);
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif /* _SYS_ILSTR_H */
68