C Standard Library Extensions 1.2.6
cxutils.h
1/*
2 * This file is part of the ESO C Extension Library
3 * Copyright (C) 2001-2017 European Southern Observatory
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#ifndef CX_UTILS_H
21#define CX_UTILS_H
22
23#include <stdarg.h>
24#include <cxtypes.h>
25
26
27CX_BEGIN_DECLS
28
29/*
30 * Static information retrieval
31 */
32
33const cxchar *cx_program_get_name(void);
34void cx_program_set_name(const cxchar *);
35
36cxlong cx_line_max(void);
37
38
39/*
40 * Bit tests
41 */
42
43cxint cx_bits_find(cxuint32, cxint);
44cxint cx_bits_rfind(cxuint32, cxint);
45
46
47/*
48 * Miscellaneous utility functions
49 */
50
51cxint cx_snprintf(cxchar *, cxsize,
52 const cxchar *, ...) CX_GNUC_PRINTF(3, 4);
53cxint cx_vsnprintf(cxchar *, cxsize,
54 const cxchar *, va_list) CX_GNUC_PRINTF(3, 0);
55cxint cx_asprintf(cxchar **, const cxchar *, ...) CX_GNUC_PRINTF(2, 3);
56cxint cx_vasprintf(cxchar **, const cxchar *, va_list) CX_GNUC_PRINTF(2, 0);
57
58cxchar *cx_line_alloc(void);
59
60CX_END_DECLS
61
62#endif /* CX_UTILS_H */
cxlong cx_line_max(void)
Get the maximum length of a line supported by the system.
Definition: cxutils.c:470
cxint cx_bits_find(cxuint32, cxint)
Get the position of the first bit set, searching from left to right.
Definition: cxutils.c:156
cxint cxint cxint cxint cxchar * cx_line_alloc(void)
Allocate a line buffer with the maximum size supported by the system.
Definition: cxutils.c:497
const cxchar * cx_program_get_name(void)
Get the name of the application.
Definition: cxutils.c:97
void cx_program_set_name(const cxchar *)
Set the name of the application.
Definition: cxutils.c:125
cxint cx_bits_rfind(cxuint32, cxint)
Get the position of the first bit set, searching from right to left.
Definition: cxutils.c:192
cxint cx_snprintf(cxchar *string, cxsize n, const cxchar *format,...)
Safe version of sprintf().
Definition: cxutils.c:240