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Improve linenoise and get it working on Windows

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Some progress has been made on introducing completion but there's been
difficulties using the Python C API to get local shell variables.
This commit is contained in:
Justine Tunney 2021-08-15 00:05:27 -07:00
parent 968474d291
commit 5029e20bef
23 changed files with 408 additions and 209 deletions
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90
examples/getrandom.c
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@ -16,6 +16,7 @@
#include "libc/macros.internal.h"
#include "libc/nexgen32e/x86feature.h"
#include "libc/rand/rand.h"
#include "libc/rand/xorshift.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/ex.h"
@ -25,6 +26,12 @@
#include "libc/testlib/hyperion.h"
#include "third_party/getopt/getopt.h"
#define B 4096
bool isdone;
bool isbinary;
unsigned long count = -1;
uint64_t bcast(uint64_t f(void)) {
unsigned i;
uint64_t x;
@ -95,6 +102,28 @@ uint64_t vigna(void) {
return z ^ (z >> 31);
}
uint64_t rngset64(void) {
static unsigned i;
static uint64_t s;
if (!i) {
s = rand64();
i = (s + 1) & (511);
}
return MarsagliaXorshift64(&s);
}
uint64_t xorshift64(void) {
static uint64_t s = kMarsagliaXorshift64Seed;
return MarsagliaXorshift64(&s);
}
uint64_t xorshift32(void) {
static uint32_t s = kMarsagliaXorshift32Seed;
uint64_t a = MarsagliaXorshift32(&s);
uint64_t b = MarsagliaXorshift32(&s);
return (uint64_t)a << 32 | b;
}
uint64_t libc(void) {
uint64_t x;
CHECK_EQ(8, getrandom(&x, 8, 0));
@ -151,27 +180,26 @@ const struct Function {
const char *s;
uint64_t (*f)(void);
} kFunctions[] = {
{"ape", ape}, //
{"hardware", hardware}, //
{"inc", inc}, //
{"kernel", kernel}, //
{"knuth", knuth}, //
{"libc", libc}, //
{"moby", moby}, //
{"rand64", rand64}, //
{"rdrand", rdrnd}, //
{"rdrnd", rdrnd}, //
{"rdseed", rdseed}, //
{"unixv6", unixv6}, //
{"unixv7", unixv7}, //
{"vigna", vigna}, //
{"zero", zero}, //
{"ape", ape}, //
{"hardware", hardware}, //
{"inc", inc}, //
{"kernel", kernel}, //
{"knuth", knuth}, //
{"libc", libc}, //
{"moby", moby}, //
{"rand64", rand64}, //
{"rdrand", rdrnd}, //
{"rdrnd", rdrnd}, //
{"rdseed", rdseed}, //
{"rngset64", rngset64}, //
{"unixv6", unixv6}, //
{"unixv7", unixv7}, //
{"vigna", vigna}, //
{"xorshift32", xorshift32}, //
{"xorshift64", xorshift64}, //
{"zero", zero}, //
};
bool isdone;
bool isbinary;
unsigned long count = -1;
void OnInt(int sig) {
isdone = true;
}
@ -182,16 +210,19 @@ wontreturn void PrintUsage(FILE *f, int rc) {
}
int main(int argc, char *argv[]) {
char *p;
int i, opt;
ssize_t rc;
uint64_t x;
static char buf[B];
uint64_t (*f)(void);
while ((opt = getopt(argc, argv, "hbn:")) != -1) {
while ((opt = getopt(argc, argv, "hbc:n:")) != -1) {
switch (opt) {
case 'b':
isbinary = true;
break;
case 'c':
case 'n':
count = strtoul(optarg, 0, 0);
break;
@ -235,10 +266,23 @@ int main(int argc, char *argv[]) {
}
while (count && !isdone) {
x = f();
rc = write(1, &x, MIN(8, count));
if (count >= B) {
for (i = 0; i < B / 8; ++i) {
x = f();
p = buf + i * 8;
WRITE64LE(p, x);
}
for (i = 0; i < B; i += rc) {
rc = write(1, buf + i, B - i);
if (rc == -1 && errno == EPIPE) exit(1);
if (rc == -1) perror("write"), exit(1);
}
} else {
x = f();
rc = write(1, &x, MIN(8, count));
}
if (!rc) break;
if (rc == -1 && errno == EPIPE) return 1;
if (rc == -1 && errno == EPIPE) exit(1);
if (rc == -1) perror("write"), exit(1);
count -= rc;
}