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
|
/*
* utils.h: miscellaneous utilities
*
* Copyright (c) 2013 - 2020, Přemysl Eric Janouch <p@janouch.name>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef UTILS_H
#define UTILS_H
/// After this statement, the element has been found and its index is stored
/// in the variable "imid".
#define BINARY_SEARCH_BEGIN(max, compare) \
gint imin = 0, imax = max, imid; \
while (imin <= imax) { \
imid = imin + (imax - imin) / 2; \
gint cmp = compare; \
if (cmp > 0) imin = imid + 1; \
else if (cmp < 0) imax = imid - 1; \
else {
/// After this statement, the binary search has failed and "imin" stores
/// the position where the element can be inserted.
#define BINARY_SEARCH_END \
} \
}
gboolean stream_read_all (GByteArray *ba, GInputStream *is, GError **error);
gchar *stream_read_string (GDataInputStream *dis, GError **error);
gboolean xstrtoul (unsigned long *out, const char *s, int base);
void update_curses_terminal_size (void);
void fatal (const gchar *format, ...) G_GNUC_PRINTF (1, 2) G_GNUC_NORETURN;
#endif // ! UTILS_H
|
