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Reduce number of disk seeks in redbean

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This commit is contained in:
Justine Tunney 2021-05-03 01:21:50 -07:00
parent daa32d27d4
commit 01e6b3ad8d
8 changed files with 212 additions and 173 deletions
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150
libc/fmt/strerror_r.c
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@ -27,149 +27,17 @@
#include "libc/nt/runtime.h"
#include "libc/str/str.h"
const struct Error {
const long *x;
const char *s;
} kErrors[] = {
{&ENOSYS, "ENOSYS"},
{&EPERM, "EPERM"},
{&ENOENT, "ENOENT"},
{&ESRCH, "ESRCH"},
{&EINTR, "EINTR"},
{&EIO, "EIO"},
{&ENXIO, "ENXIO"},
{&E2BIG, "E2BIG"},
{&ENOEXEC, "ENOEXEC"},
{&EBADF, "EBADF"},
{&ECHILD, "ECHILD"},
{&EAGAIN, "EAGAIN"},
{&ENOMEM, "ENOMEM"},
{&EACCES, "EACCES"},
{&EFAULT, "EFAULT"},
{&ENOTBLK, "ENOTBLK"},
{&EBUSY, "EBUSY"},
{&EEXIST, "EEXIST"},
{&EXDEV, "EXDEV"},
{&ENODEV, "ENODEV"},
{&ENOTDIR, "ENOTDIR"},
{&EISDIR, "EISDIR"},
{&EINVAL, "EINVAL"},
{&ENFILE, "ENFILE"},
{&EMFILE, "EMFILE"},
{&ENOTTY, "ENOTTY"},
{&ETXTBSY, "ETXTBSY"},
{&EFBIG, "EFBIG"},
{&ENOSPC, "ENOSPC"},
{&EDQUOT, "EDQUOT"},
{&ESPIPE, "ESPIPE"},
{&EROFS, "EROFS"},
{&EMLINK, "EMLINK"},
{&EPIPE, "EPIPE"},
{&EDOM, "EDOM"},
{&ERANGE, "ERANGE"},
{&EDEADLK, "EDEADLK"},
{&ENAMETOOLONG, "ENAMETOOLONG"},
{&ENOLCK, "ENOLCK"},
{&ENOTEMPTY, "ENOTEMPTY"},
{&ELOOP, "ELOOP"},
{&ENOMSG, "ENOMSG"},
{&EIDRM, "EIDRM"},
{&ETIME, "ETIME"},
{&EPROTO, "EPROTO"},
{&EOVERFLOW, "EOVERFLOW"},
{&EILSEQ, "EILSEQ"},
{&EUSERS, "EUSERS"},
{&ENOTSOCK, "ENOTSOCK"},
{&EDESTADDRREQ, "EDESTADDRREQ"},
{&EMSGSIZE, "EMSGSIZE"},
{&EPROTOTYPE, "EPROTOTYPE"},
{&ENOPROTOOPT, "ENOPROTOOPT"},
{&EPROTONOSUPPORT, "EPROTONOSUPPORT"},
{&ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT"},
{&ENOTSUP, "ENOTSUP"},
{&EOPNOTSUPP, "EOPNOTSUPP"},
{&EPFNOSUPPORT, "EPFNOSUPPORT"},
{&EAFNOSUPPORT, "EAFNOSUPPORT"},
{&EADDRINUSE, "EADDRINUSE"},
{&EADDRNOTAVAIL, "EADDRNOTAVAIL"},
{&ENETDOWN, "ENETDOWN"},
{&ENETUNREACH, "ENETUNREACH"},
{&ENETRESET, "ENETRESET"},
{&ECONNABORTED, "ECONNABORTED"},
{&ECONNRESET, "ECONNRESET"},
{&ENOBUFS, "ENOBUFS"},
{&EISCONN, "EISCONN"},
{&ENOTCONN, "ENOTCONN"},
{&ESHUTDOWN, "ESHUTDOWN"},
{&ETOOMANYREFS, "ETOOMANYREFS"},
{&ETIMEDOUT, "ETIMEDOUT"},
{&ECONNREFUSED, "ECONNREFUSED"},
{&EHOSTDOWN, "EHOSTDOWN"},
{&EHOSTUNREACH, "EHOSTUNREACH"},
{&EALREADY, "EALREADY"},
{&EINPROGRESS, "EINPROGRESS"},
{&ESTALE, "ESTALE"},
{&EREMOTE, "EREMOTE"},
{&EBADMSG, "EBADMSG"},
{&ECANCELED, "ECANCELED"},
{&EOWNERDEAD, "EOWNERDEAD"},
{&ENOTRECOVERABLE, "ENOTRECOVERABLE"},
{&ENONET, "ENONET"},
{&ERESTART, "ERESTART"},
{&ECHRNG, "ECHRNG"},
{&EL2NSYNC, "EL2NSYNC"},
{&EL3HLT, "EL3HLT"},
{&EL3RST, "EL3RST"},
{&ELNRNG, "ELNRNG"},
{&EUNATCH, "EUNATCH"},
{&ENOCSI, "ENOCSI"},
{&EL2HLT, "EL2HLT"},
{&EBADE, "EBADE"},
{&EBADR, "EBADR"},
{&EXFULL, "EXFULL"},
{&ENOANO, "ENOANO"},
{&EBADRQC, "EBADRQC"},
{&EBADSLT, "EBADSLT"},
{&ENOSTR, "ENOSTR"},
{&ENODATA, "ENODATA"},
{&ENOSR, "ENOSR"},
{&ENOPKG, "ENOPKG"},
{&ENOLINK, "ENOLINK"},
{&EADV, "EADV"},
{&ESRMNT, "ESRMNT"},
{&ECOMM, "ECOMM"},
{&EMULTIHOP, "EMULTIHOP"},
{&EDOTDOT, "EDOTDOT"},
{&ENOTUNIQ, "ENOTUNIQ"},
{&EBADFD, "EBADFD"},
{&EREMCHG, "EREMCHG"},
{&ELIBACC, "ELIBACC"},
{&ELIBBAD, "ELIBBAD"},
{&ELIBSCN, "ELIBSCN"},
{&ELIBMAX, "ELIBMAX"},
{&ELIBEXEC, "ELIBEXEC"},
{&ESTRPIPE, "ESTRPIPE"},
{&EUCLEAN, "EUCLEAN"},
{&ENOTNAM, "ENOTNAM"},
{&ENAVAIL, "ENAVAIL"},
{&EISNAM, "EISNAM"},
{&EREMOTEIO, "EREMOTEIO"},
{&ENOMEDIUM, "ENOMEDIUM"},
{&EMEDIUMTYPE, "EMEDIUMTYPE"},
{&ENOKEY, "ENOKEY"},
{&EKEYEXPIRED, "EKEYEXPIRED"},
{&EKEYREVOKED, "EKEYREVOKED"},
{&EKEYREJECTED, "EKEYREJECTED"},
{&ERFKILL, "ERFKILL"},
{&EHWPOISON, "EHWPOISON"},
};
extern const struct Error {
int x;
int s;
} kErrorNames[];
static const char *geterrname(long x) {
static const char *GetErrorName(long x) {
int i;
if (x) {
for (i = 0; i < ARRAYLEN(kErrors); ++i) {
if (x == *kErrors[i].x) {
return kErrors[i].s;
for (i = 0; kErrorNames[i].x; ++i) {
if (x == *(const long *)((uintptr_t)kErrorNames + kErrorNames[i].x)) {
return (const char *)((uintptr_t)kErrorNames + kErrorNames[i].s);
}
}
}
@ -184,7 +52,7 @@ int strerror_r(int err, char *buf, size_t size) {
char *p;
const char *s;
err &= 0xFFFF;
s = geterrname(err);
s = GetErrorName(err);
p = buf;
if (strlen(s) + 1 + 5 + 1 + 1 <= size) {
p = stpcpy(p, s);