cosmopolitan/libc/fmt/conv.h
Justine Tunney 398f0c16fb Add SNI support to redbean and improve SSL perf
This change makes SSL virtual hosting possible. You can now load
multiple certificates for multiple domains and redbean will just
figure out which one to use, even if you only have 1 ip address.
You can also use a jumbo certificate that lists all your domains
in the the subject alternative names.

This change also makes performance improvements to MbedTLS. Here
are some benchmarks vs. cc1920749e

                                   BEFORE    AFTER   (microsecs)
suite_ssl.com                     2512881   191738 13.11x faster
suite_pkparse.com                   36291     3295 11.01x faster
suite_x509parse.com                854669   120293  7.10x faster
suite_pkwrite.com                    6549     1265  5.18x faster
suite_ecdsa.com                     53347    18778  2.84x faster
suite_pk.com                        49051    18717  2.62x faster
suite_ecdh.com                      19535     9502  2.06x faster
suite_shax.com                      15848     7965  1.99x faster
suite_rsa.com                      353257   184828  1.91x faster
suite_x509write.com                162646    85733  1.90x faster
suite_ecp.com                       20503    11050  1.86x faster
suite_hmac_drbg.no_reseed.com       19528    11417  1.71x faster
suite_hmac_drbg.nopr.com            12460     8010  1.56x faster
suite_mpi.com                      687124   442661  1.55x faster
suite_hmac_drbg.pr.com              11890     7752  1.53x faster

There aren't any special tricks to the performance imporvements.
It's mostly due to code cleanup, assembly and intel instructions
like mulx, adox, and adcx.
2021-07-23 13:56:13 -07:00

104 lines
5.6 KiB
C

#ifndef COSMOPOLITAN_LIBC_FMT_CONV_H_
#define COSMOPOLITAN_LIBC_FMT_CONV_H_
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/timeval.h"
#include "libc/nt/struct/filetime.h"
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § conversion ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#define MODERNITYSECONDS 11644473600ull
#define HECTONANOSECONDS 10000000ull
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
int abs(int) libcesque pureconst;
long labs(long) libcesque pureconst;
long long llabs(long long) libcesque pureconst;
int llog10(unsigned long) libcesque pureconst;
int atoi(const char *) paramsnonnull() libcesque;
long atol(const char *) paramsnonnull() libcesque;
long long atoll(const char *) paramsnonnull() libcesque;
unsigned long strtoul(const char *, char **, int) paramsnonnull((1));
long long strtoll(const char *, char **, int) paramsnonnull((1));
unsigned long long strtoull(const char *, char **, int) paramsnonnull((1));
long long strtonum(const char *, long long, long long, const char **);
intmax_t div10(intmax_t, unsigned *) hidden;
intmax_t strtoimax(const char *, char **, int) paramsnonnull((1));
uintmax_t strtoumax(const char *, char **, int) paramsnonnull((1));
intmax_t wcstoimax(const wchar_t *, wchar_t **, int);
long wcstol(const wchar_t *, wchar_t **, int);
long strtol(const char *, char **, int) paramsnonnull((1)) libcesque;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § conversion » time ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int64_t DosDateTimeToUnix(unsigned, unsigned);
struct timespec FileTimeToTimeSpec(struct NtFileTime);
struct NtFileTime TimeSpecToFileTime(struct timespec);
struct NtFileTime TimeToFileTime(int64_t) nothrow pureconst;
int64_t filetimetotime(struct NtFileTime) nothrow pureconst;
void FileTimeToTimeVal(struct timeval *, struct NtFileTime) nothrow;
struct NtFileTime TimeValToFileTime(const struct timeval *) nosideeffect;
long convertmicros(const struct timeval *, long) paramsnonnull() nosideeffect;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § conversion » manipulation ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
char *dirname(char *);
char *basename(const char *) nosideeffect;
char *basename_n(const char *, size_t) nosideeffect;
bool isabspath(const char *) paramsnonnull() nosideeffect;
char *stripexts(char *);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § conversion » computation ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
typedef struct {
int quot;
int rem;
} div_t;
typedef struct {
long int quot;
long int rem;
} ldiv_t;
typedef struct {
long long int quot;
long long int rem;
} lldiv_t;
typedef struct {
intmax_t quot;
intmax_t rem;
} imaxdiv_t;
div_t div(int, int) pureconst;
ldiv_t ldiv(long, long) pureconst;
lldiv_t lldiv(long long, long long) pureconst;
imaxdiv_t imaxdiv(intmax_t, intmax_t) pureconst;
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § conversion » optimizations ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#if __STDC_VERSION__ + 0 >= 199901L
#define div(num, den) ((div_t){(num) / (den), (num) % (den)})
#define ldiv(num, den) ((ldiv_t){(num) / (den), (num) % (den)})
#define lldiv(num, den) ((lldiv_t){(num) / (den), (num) % (den)})
#endif
#ifndef __STRICT_ANSI__
intmax_t __imaxabs(intmax_t) libcesque pureconst;
#define imaxabs(x) __imaxabs(x)
#endif /* !ANSI */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_FMT_CONV_H_ */