annotate mercurial/bitmanipulation.h @ 36002:f8ad57d24252

log: pass ctx to makefilematcher() and makehunksfilter() functions This isn't important, but seems more consistent as changesetprinter.show() takes a ctx, not a revision number.
author Yuya Nishihara <yuya@tcha.org>
date Sun, 21 Jan 2018 13:40:31 +0900
parents ce77b0563228
children 1fb2510cf8c8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
1 #ifndef _HG_BITMANIPULATION_H_
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
2 #define _HG_BITMANIPULATION_H_
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
3
32646
b4356d1cf3e4 bitmanipulation: add missing include of string.h
Martin von Zweigbergk <martinvonz@google.com>
parents: 29444
diff changeset
4 #include <string.h>
b4356d1cf3e4 bitmanipulation: add missing include of string.h
Martin von Zweigbergk <martinvonz@google.com>
parents: 29444
diff changeset
5
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
6 #include "compat.h"
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
7
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
8 static inline uint32_t getbe32(const char *c)
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
9 {
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
10 const unsigned char *d = (const unsigned char *)c;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
11
34697
ce77b0563228 bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents: 32646
diff changeset
12 return ((d[0] << 24) | (d[1] << 16) | (d[2] << 8) | (d[3]));
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
13 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
14
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
15 static inline int16_t getbeint16(const char *c)
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
16 {
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
17 const unsigned char *d = (const unsigned char *)c;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
18
34697
ce77b0563228 bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents: 32646
diff changeset
19 return ((d[0] << 8) | (d[1]));
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
20 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
21
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
22 static inline uint16_t getbeuint16(const char *c)
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
23 {
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
24 const unsigned char *d = (const unsigned char *)c;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
25
34697
ce77b0563228 bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents: 32646
diff changeset
26 return ((d[0] << 8) | (d[1]));
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
27 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
28
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
29 static inline void putbe32(uint32_t x, char *c)
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
30 {
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
31 c[0] = (x >> 24) & 0xff;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
32 c[1] = (x >> 16) & 0xff;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
33 c[2] = (x >> 8) & 0xff;
34697
ce77b0563228 bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents: 32646
diff changeset
34 c[3] = (x)&0xff;
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
35 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
36
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
37 static inline double getbefloat64(const char *c)
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
38 {
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
39 const unsigned char *d = (const unsigned char *)c;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
40 double ret;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
41 int i;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
42 uint64_t t = 0;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
43 for (i = 0; i < 8; i++) {
34697
ce77b0563228 bitmanipulation: reformat with clang-format
Augie Fackler <augie@google.com>
parents: 32646
diff changeset
44 t = (t << 8) + d[i];
29444
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
45 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
46 memcpy(&ret, &t, sizeof(t));
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
47 return ret;
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
48 }
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
49
284d742e5611 internals: move the bitmanipulation routines into its own file
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff changeset
50 #endif