mirror of
https://github.com/git/git
synced 2024-11-05 18:59:29 +00:00
81879123c3
While the stack length is already stored as `size_t`, we frequently use `int`s to refer to those stacks throughout the reftable library. Convert those cases to use `size_t` instead to make things consistent. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
123 lines
2 KiB
C
123 lines
2 KiB
C
/*
|
|
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
|
|
*/
|
|
|
|
#include "basics.h"
|
|
|
|
void put_be24(uint8_t *out, uint32_t i)
|
|
{
|
|
out[0] = (uint8_t)((i >> 16) & 0xff);
|
|
out[1] = (uint8_t)((i >> 8) & 0xff);
|
|
out[2] = (uint8_t)(i & 0xff);
|
|
}
|
|
|
|
uint32_t get_be24(uint8_t *in)
|
|
{
|
|
return (uint32_t)(in[0]) << 16 | (uint32_t)(in[1]) << 8 |
|
|
(uint32_t)(in[2]);
|
|
}
|
|
|
|
void put_be16(uint8_t *out, uint16_t i)
|
|
{
|
|
out[0] = (uint8_t)((i >> 8) & 0xff);
|
|
out[1] = (uint8_t)(i & 0xff);
|
|
}
|
|
|
|
int binsearch(size_t sz, int (*f)(size_t k, void *args), void *args)
|
|
{
|
|
size_t lo = 0;
|
|
size_t hi = sz;
|
|
|
|
/* Invariants:
|
|
*
|
|
* (hi == sz) || f(hi) == true
|
|
* (lo == 0 && f(0) == true) || fi(lo) == false
|
|
*/
|
|
while (hi - lo > 1) {
|
|
size_t mid = lo + (hi - lo) / 2;
|
|
|
|
if (f(mid, args))
|
|
hi = mid;
|
|
else
|
|
lo = mid;
|
|
}
|
|
|
|
if (lo)
|
|
return hi;
|
|
|
|
return f(0, args) ? 0 : 1;
|
|
}
|
|
|
|
void free_names(char **a)
|
|
{
|
|
char **p;
|
|
if (!a) {
|
|
return;
|
|
}
|
|
for (p = a; *p; p++) {
|
|
reftable_free(*p);
|
|
}
|
|
reftable_free(a);
|
|
}
|
|
|
|
size_t names_length(char **names)
|
|
{
|
|
char **p = names;
|
|
while (*p)
|
|
p++;
|
|
return p - names;
|
|
}
|
|
|
|
void parse_names(char *buf, int size, char ***namesp)
|
|
{
|
|
char **names = NULL;
|
|
size_t names_cap = 0;
|
|
size_t names_len = 0;
|
|
|
|
char *p = buf;
|
|
char *end = buf + size;
|
|
while (p < end) {
|
|
char *next = strchr(p, '\n');
|
|
if (next && next < end) {
|
|
*next = 0;
|
|
} else {
|
|
next = end;
|
|
}
|
|
if (p < next) {
|
|
REFTABLE_ALLOC_GROW(names, names_len + 1, names_cap);
|
|
names[names_len++] = xstrdup(p);
|
|
}
|
|
p = next + 1;
|
|
}
|
|
|
|
REFTABLE_REALLOC_ARRAY(names, names_len + 1);
|
|
names[names_len] = NULL;
|
|
*namesp = names;
|
|
}
|
|
|
|
int names_equal(char **a, char **b)
|
|
{
|
|
int i = 0;
|
|
for (; a[i] && b[i]; i++) {
|
|
if (strcmp(a[i], b[i])) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return a[i] == b[i];
|
|
}
|
|
|
|
int common_prefix_size(struct strbuf *a, struct strbuf *b)
|
|
{
|
|
int p = 0;
|
|
for (; p < a->len && p < b->len; p++) {
|
|
if (a->buf[p] != b->buf[p])
|
|
break;
|
|
}
|
|
|
|
return p;
|
|
}
|