cosmopolitan/libc/calls/sysparam.h
Justine Tunney 6a5717a48f Make more libc improvements
- Make memmem() faster
- Make readdir() thread safe
- Remove 64kb limit from mkdeps.com
- Add old crypt() function from Musl
- Improve new fix-third-party.py tool
- Improve libc/isystem/ headers and fix bugs
2022-08-06 17:18:40 -07:00

37 lines
1 KiB
C

#ifndef COSMOPOLITAN_LIBC_CALLS_SYSPARAM_H_
#define COSMOPOLITAN_LIBC_CALLS_SYSPARAM_H_
#define MAXSYMLINKS 20
#define MAXHOSTNAMELEN 64
#define MAXNAMLEN 255
#define MAXPATHLEN 4096
#define NBBY 8
#define NGROUPS 32
#define CANBSIZ 255
#define NOFILE 256
#define NCARGS 131072
#define DEV_BSIZE 512
#define NOGROUP (-1)
#undef MIN
#undef MAX
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define __bitop(x, i, o) ((x)[(i) / 8] o(1 << (i) % 8))
#define setbit(x, i) __bitop(x, i, |=)
#define clrbit(x, i) __bitop(x, i, &= ~)
#define isset(x, i) __bitop(x, i, &)
#define isclr(x, i) !isset(x, i)
#undef roundup
#define roundup(n, d) (howmany(n, d) * (d))
#define powerof2(n) !(((n)-1) & (n))
#define howmany(n, d) (((n) + ((d)-1)) / (d))
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_SYSPARAM_H_ */