|
Revision 1647, 1.8 kB
(checked in by ensc, 4 years ago)
|
minor optimizations
|
- Property svn:eol-style set to
native
- Property svn:keywords set to
Author Date Id Revision
|
| Line | |
|---|
| 1 |
|
|---|
| 2 |
|
|---|
| 3 |
|
|---|
| 4 |
|
|---|
| 5 |
|
|---|
| 6 |
|
|---|
| 7 |
|
|---|
| 8 |
|
|---|
| 9 |
|
|---|
| 10 |
|
|---|
| 11 |
|
|---|
| 12 |
|
|---|
| 13 |
|
|---|
| 14 |
|
|---|
| 15 |
|
|---|
| 16 |
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 |
#ifndef H_UTIL_VSERVER_LIB_FMT_COMMON_H |
|---|
| 20 |
#define H_UTIL_VSERVER_LIB_FMT_COMMON_H |
|---|
| 21 |
|
|---|
| 22 |
#define DIGITS "0123456789abcdefghijklmnopqrstuvwxyz" |
|---|
| 23 |
|
|---|
| 24 |
#define FMT_P__(X,Y) X ## Y |
|---|
| 25 |
#define FMT_P_(X,Y) FMT_P__(X,Y) |
|---|
| 26 |
#define FMT_P(X) FMT_P_(FMT_PREFIX, X) |
|---|
| 27 |
|
|---|
| 28 |
#define CONCAT__(x,y,z) x ## y ## z |
|---|
| 29 |
#define CONCAT_(x,y,z) CONCAT__(x,y,z) |
|---|
| 30 |
#define CONCAT(x,z) CONCAT_(x, FMT_BITSIZE, z) |
|---|
| 31 |
|
|---|
| 32 |
#define FMT_FN(BASE,SZ) \ |
|---|
| 33 |
do { \ |
|---|
| 34 |
register __typeof__(val) v = val; \ |
|---|
| 35 |
register size_t l = 0; \ |
|---|
| 36 |
\ |
|---|
| 37 |
if (ptr==0) { \ |
|---|
| 38 |
do { \ |
|---|
| 39 |
++l; \ |
|---|
| 40 |
v /= BASE; \ |
|---|
| 41 |
} while (v!=0); \ |
|---|
| 42 |
} \ |
|---|
| 43 |
else { \ |
|---|
| 44 |
char buf[sizeof(val)*SZ]; \ |
|---|
| 45 |
\ |
|---|
| 46 |
do { \ |
|---|
| 47 |
register unsigned int d = v%BASE; \ |
|---|
| 48 |
v /= BASE; \ |
|---|
| 49 |
++l; \ |
|---|
| 50 |
buf[sizeof(buf)-l] = DIGITS[d]; \ |
|---|
| 51 |
} while (v!=0); \ |
|---|
| 52 |
\ |
|---|
| 53 |
memcpy(ptr, buf+sizeof(buf)-l, l); \ |
|---|
| 54 |
} \ |
|---|
| 55 |
\ |
|---|
| 56 |
return l; \ |
|---|
| 57 |
} while (0) |
|---|
| 58 |
|
|---|
| 59 |
|
|---|
| 60 |
#endif // H_UTIL_VSERVER_LIB_FMT_COMMON_H |
|---|