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| | /*
Copyright 2020 Google LLC
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
/* compat.c - compatibility functions for standalone compilation */
#include "system.h"
#include "basics.h"
#ifdef REFTABLE_STANDALONE
#include <dirent.h>
void put_be32(void *p, uint32_t i)
{
uint8_t *out = (uint8_t *)p;
out[0] = (uint8_t)((i >> 24) & 0xff);
out[1] = (uint8_t)((i >> 16) & 0xff);
out[2] = (uint8_t)((i >> 8) & 0xff);
out[3] = (uint8_t)((i)&0xff);
}
uint32_t get_be32(uint8_t *in)
{
return (uint32_t)(in[0]) << 24 | (uint32_t)(in[1]) << 16 |
(uint32_t)(in[2]) << 8 | (uint32_t)(in[3]);
}
void put_be64(void *p, uint64_t v)
{
uint8_t *out = (uint8_t *)p;
int i = sizeof(uint64_t);
while (i--) {
out[i] = (uint8_t)(v & 0xff);
v >>= 8;
}
}
uint64_t get_be64(void *out)
{
uint8_t *bytes = (uint8_t *)out;
uint64_t v = 0;
int i = 0;
for (i = 0; i < sizeof(uint64_t); i++) {
v = (v << 8) | (uint8_t)(bytes[i] & 0xff);
}
return v;
}
uint16_t get_be16(uint8_t *in)
{
return (uint32_t)(in[0]) << 8 | (uint32_t)(in[1]);
}
char *xstrdup(const char *s)
{
int l = strlen(s);
char *dest = (char *)reftable_malloc(l + 1);
strncpy(dest, s, l + 1);
return dest;
}
void sleep_millisec(int millisecs)
{
usleep(millisecs * 1000);
}
void reftable_clear_dir(const char *dirname)
{
DIR *dir = opendir(dirname);
struct dirent *ent = NULL;
assert(dir);
while ((ent = readdir(dir)) != NULL) {
unlinkat(dirfd(dir), ent->d_name, 0);
}
closedir(dir);
rmdir(dirname);
}
#else
#include "../dir.h"
void reftable_clear_dir(const char *dirname)
{
struct strbuf path = STRBUF_INIT;
strbuf_addstr(&path, dirname);
remove_dir_recursively(&path, 0);
strbuf_release(&path);
}
#endif
int hash_size(uint32_t id)
{
switch (id) {
case 0:
case SHA1_ID:
return SHA1_SIZE;
case SHA256_ID:
return SHA256_SIZE;
}
abort();
}
|